Ingersoll Rand X41 Users Manual

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Ingersoll Rand
System Automation X4I
Application & Compressor Interconnect Guide

Before installing or starting this unit for the first
time, this manual should be studied carefully to
obtain a working knowledge of the unit and/or the
duties to be performed while operating and
maintaining the unit.
RETAIN THIS MANUAL WITH UNIT. This Technical
manual contains IMPORTANT SAFETY DATA and
should be kept with the unit at all times.

C.C.N. : 80443864

More Than Air. Answers.

REV.

Online answers: http://www.air.irco.com

DATE : APRIL 2007

: A

SECTION 1 — TABLE OF CONTENTS
SECTION 1 — TABLE OF CONTENTS................................ 2

X4I Interconnect To Ingersoll Rand Intellisys Redeye
Controlled Compressors ...............................................22

SECTION 2 — INTRODUCTION........................................ 4

SSR Redeye 1of3.....................................................23

SECTION 3 — SAFETY..................................................... 4

SSR Redeye FV 2of3................................................24

INSTALLATION ............................................................... 4

SSR Redeye SD 3of3 ...............................................25

OPERATION.................................................................... 4

X4I Interconnect To Ingersoll Rand Intellisys SE
Controlled Compressors ...............................................26

MAINTENANCE AND REPAIR ........................................... 4
SECTION 4 — INSTALLATION ......................................... 6

SE UP 1of2..............................................................27

Unit Location ................................................................. 6

SE UP 2of2..............................................................28

Power Supply ................................................................. 7

SE ESA 1of2 ............................................................29

Pressure Sensor Location ............................................... 7

SE ESA 2of2 ............................................................30

SUPPLY (WET) Side Pressure Control ........................ 7

SE DSA 1of2 ...........................................................31

DEMAND (DRY) Side Pressure Control ...................... 7

SE DSA 2of2 ...........................................................32

Pressure Sensor Connection........................................... 8
IR-PCB Interface Module ................................................. 8

X4I Interconnect To Ingersoll Rand Intellisys SG
Controlled Compressors ...............................................33

Input Functions.............................................................. 9

SG SSR 1of2............................................................34

Ready Input ............................................................. 9

SG SSR 2of2............................................................35

Ready Input, Alternative Connection Method ........... 9

SG Sierra 1of2 ........................................................36

Run Input .............................................................. 10

SG Sierra 2of2 ........................................................37

Warning Input (optional)........................................ 10

X4I Interconnect To Ingersoll Rand Pressure Switch
Controlled Compressors ...............................................38

Output Functions ......................................................... 11

SSR UP5 11-22 SD 1of2 ..........................................39

Pressure Switch Regulation.................................... 11

SSR UP5 11-22 SD 2of2 ..........................................40

Digital Regulation Control Terminal C01 ............... 11

SSR UP5 22-37 SD 1of2 ..........................................41

Service Maintenance Switch ................................... 12

SSR UP5 22-37 SD 2of2 ..........................................42

Auxiliary Input (Option) ......................................... 12

SSR UP6 15-30 FV 1of2...........................................43

Auxiliary Output (Option) ...................................... 13

SSR UP6 15-30 FV 2of2...........................................44

RS485 Communications ........................................ 13

SSR UP6 15-30 SD 1of2 ..........................................45

SECTION 5 — ASSISTANCE ........................................... 13

SSR UP6 15-30 SD 2of2 ..........................................46

SECTION 6 — X4I Overview and Interconnect Drawings 13

SSR UP6 40-50 FV 1of2...........................................47

X4I Overview................................................................ 11

SSR UP6 40-50 FV 2of2...........................................48

X4I Interconnect To Ingersoll Rand Unigy &
Nirvana 15 - 30KW (20-40HP) Compressors ................. 15

SSR UP6 40-50 SD 1of2 ..........................................49

Unigy 1 1of2 ......................................................... 11

SSR UP6 40-50 SD 2of2 ..........................................50

Unigy 1 2of2 ......................................................... 11

UP6 5-15 FV 1PH 60Hz 1of2...................................51

Unigy 2/3 1of2...................................................... 11

UP6 5-15 FV 1PH 60Hz 2of2...................................52

Unigy 2/3 2of2...................................................... 11

UP6 5-15 FV 3PH 60Hz 1of2...................................53

Nirvana 15 - 30KW (20-40HP) 1of2 ........................ 20

UP6 5-15 FV 3PH 60Hz 2of2...................................54

Nirvana 15 - 30KW (20-40HP) 2of2 ........................ 21

UP6 5-15 SD 3PH 60Hz 1of2 ..................................55
UP6 5-15 SD 3PH 60Hz 2of2 ..................................56
UP6 5-15 FV 3PH 50Hz 1of2...................................57
UP6 5-15 FV 3PH 50Hz 2of2...................................58

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X4I System Automation

X4I Interconnect To Ingersoll Rand Pressure Switch
Controlled Compressors .................................. Continued
UP6 5-15 SD 3PH 50Hz 1of2.................................. 59
UP6 5-15 SD 3PH 50Hz 2of2.................................. 60
SSR M15-22c 20-30HP XF EP HP HXP
50-60Hz 1of2 ........................................................ 61
SSR M15-22c 20-30HP XF EP HP HXP
50-60Hz 2of2 ........................................................ 62
M37-50 1of2 ......................................................... 64
M37-50 2of2 ......................................................... 65
EP 20-30 ESP FV 1of2............................................. 66
EP 20-30 ESP FV 2of2............................................. 67
EP 20-30 ESP SD 1of2 ............................................ 68
EP 20-30 ESP SD 2of2 ............................................ 69
X4I Interconnect To Ingersoll Rand Intellisys SGN / SGNe
Controlled Compressors .............................................. 70
Nirvana SGN/SGNe 1of3 ........................................ 71
Nirvana SGN/SGNe 2of3 ........................................ 72
Nirvana SGN/SGNe 3of3 ........................................ 73
SI1 Interface to Redeye, SE, SG Controllers ............ 73
X4I Interconnect To Ingersoll Rand Intellisys S3 ........... 74
Intellisys S3 1of2 ................................................... 75
Intellisys S3 2of2 ................................................... 76
X4I Interconnect to Ingersoll Rand Small Reciprocating
Air Compressors ......................................................... 77
UP6RE 7.5–15 175, UP6RX 7.5–15 175 1of3 .......... 78
UP6RE 7.5–15 175, UP6RX 7.5–15 175 2of3 .......... 79
UP6RE 7.5–15 175, UP6RX 7.5–15 175 3of3 .......... 80
Models 2340, 2475, 2545, 7100,
15T & 3000 10f3................................................... 81
Models 2340, 2475, 2545, 7100,
15T & 3000 20f3................................................... 82
Models 2340, 2475, 2545, 7100,
15T & 3000 30f3................................................... 83
Excessive Pressure Shutdown Switch Example Before
Installation .................................................................. 84
Excessive Pressure Shutdown Switch Example After
Installation .................................................................. 85

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X4I System Automation

SECTION 2 — INTRODUCTION
compressors may have electro-pneumatic or
microprocessor based controls. The X4I is completely
customizable to meet the specific needs of your
compressed air system.

The X4I is a specialized controller designed to provide
safe, reliable, and energy-efficient control of your
compressed air system. The X4I is capable of controlling
up to four positive displacement air compressors. The

SECTION 3 — SAFETY

!

OPERATION

WARNING : Risk of Danger

•

The X4I must only be operated by
competent personnel under qualified
supervision.

•

Never remove or tamper with safety
devices, guards or insulation materials
fitted to the X4I.

•

The X4I must only be operated at the
supply voltage and frequency for which
it is designed.

•

When main power is switched on, lethal
voltages are present in the electrical
circuits and extreme caution must be
exercised whenever it is necessary to
carry out any work on the unit.

•

Do not open access panels or touch
electrical components while voltage is
applied unless it is necessary for
measurements, tests or adjustments.
Such work should be carried out only by
a qualified electrician equipped with the
correct tools and wearing appropriate
protection against electrical hazards.

•

All air compressors and/or other
equipment connected to the unit should
have a warning sign attached stating
“THIS UNIT MAY START WITHOUT
WARNING” next to the display panel.

•

If an air compressor and/or other
equipment connected to the unit is to be
started remotely, attach two warning
signs to the equipment stating “THIS
UNIT CAN BE STARTED REMOTELY”.
Attach one sign in a prominent location
on the outside of the equipment, and
the other sign inside the equipment
control compartment.

WARNING : Risk of Electric Shock

!

WARNING : Risk of High Pressure

WARNING : Consult Manual

•

Before installing or operating the X4I,
take time to carefully read all the
instructions contained in this manual, all
compressor manuals, and all manuals of
any other peripheral devices that may be
installed or connected to the unit.

•

Electricity and compressed air have the
potential to cause severe personal injury
or property damage.

•

The operator should use common sense
and good working practices while
operating and maintaining this system.
All applicable codes should be strictly
adhered to.

•

Maintenance must be performed by
adequately qualified personnel that are
equipped with the proper tools.

INSTALLATION
•

Installation work must only be carried
out by a competent person under
qualified supervision.

•

A fused isolation switch must be fitted
between the main power supply and the
X4I.

•

The X4I should be mounted in such a
location as to allow operational and
maintenance access without obstruction
or hazard and to allow clear visibility of
indicators at all times.

•

MAINTENANCE AND REPAIR

If raised platforms are required to
provide access to the X4I, they must not
interfere with normal operation or
obstruct access. Platforms and stairs
should be of grid or plate construction
with safety rails on all open sides.

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4

•

Maintenance, repairs or modifications
must only be carried out by competent
personnel under qualified supervision.

•

If replacement parts are required, use
only genuine parts from the original
equipment manufacturer, or an
alternative approved source.

X4I System Automation

•

safety devices, is kept in good working
order.

Carry out the following operations
before opening or removing any access
panels or carrying out any work on the
X4I:

•

The accuracy of sensor devices must be
checked on a regular basis. They must
be calibrated when acceptable tolerances
are exceeded. Always ensure any
pressure within the compressed air
system is safely vented to atmosphere
before attempting to remove or install a
sensor device.

•

The X4I must only be cleaned with a
damp cloth, using mild detergents if
necessary. Avoid the use of any
substances containing corrosive acids or
alkalis.

•

Do not paint the control faceplate or
obscure any indicators, controls,
instructions or warnings.

i. Isolate the X4I from the main
electrical power supply. Lock the
isolator in the “OFF” position
and remove the fuses.
ii. Attach labels to the isolator
switch and to the unit stating
“WORK IN PROGRESS - DO NOT
APPLY VOLTAGE”. Do not switch
on electrical power or attempt to
start the X4I if such a warning
label is attached.
•

Make sure that all instructions
concerning operation and maintenance
are strictly followed and that the
complete unit, with all accessories and

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5

X4I System Automation

SECTION 4 — INSTALLATION
It is recommended that installation and commissioning
be carried out by an authorized and trained product
supplier.

SPECIFICATIONS
11.45” x 9.45” x 6.0”
291mm x 241mm x 152mm
Weight
14lb (6.4kg)
Mounting
Wall, 4 x screw fixings
Enclosure
IP65, NEMA 4
Supply
230Vac +/- 10%, 50 Hz
115Vac +/- 10%, 60 Hz
Power
50VA
Temperature 32°F to 115°F
(0°C to 46°C)
Humidity
0% to 95% RH
(non-condensing)
Dimensions

UNIT LOCATION
The X4I can be mounted on a wall using conventional
bolts. The X4I can be located remotely from the
compressors as long as it is within 330 feet (100 meters)
of cable length. The X4I must also be located within 330
feet (100 meters) of the system pressure transducer.

Ingersoll Rand Automation
Model X4I
COMPRESSOR CONTROL CABLE
7 Conductor Cable, 18 Gauge, Stranded, Earth Shielded
OR
Single Conductor Wire, 18 Gauge Stranded, Quantity (7)
In Grounded Conduit
No Greater Than 330FT (100M)
24VAC Control Voltage

Compressor #4 Control Cable
Local Disconnect (Breaker) Box
Fused for 50VA

Compressor #3 Control Cable
On/Off
Switch

Power Cable
3 conductor (L, N, E)
(Sized in accordance with local
electrical and safety regulations).

Compressor #2 Control Cable

Supply Voltage Cable

Compressor #1 Control Cable
Pressure Transducer Cable

Compressor
#1

IR-PCB

Compressor #1 Control Cable

PRESSURE TRANSDUCER CABLE
2 Conductor Cable, 18 Gauge Stranded
Earth Shielded
No Greater Than 330FT (100M)
24VDC Control Voltage
PT CONNECTOR
X4I X05 CONNECTOR
25
+VDC Pin #3
26
Signal Pin #1
Reference X4I Operations Manual for Pressure
Sensor Connection Details

X4I X01 CONNECTOR
V1
1
2
3
4
5
6

IR-PCB CONNECTOR
V1
1
2
3
4
5
6

Compressor
#2

Compressor
#3

IR-PCB

Compressor #2 Control Cable
X4I X02 CONNECTOR
V3
7
8
9
10
11
12

PRESSURE TRANSDUCER

RECEIVER

Reference X4I Compressor
Interconnect and Application Guide
For Connections Between The
Compressor And The IR-PCB

IR-PCB CONNECTOR
V1
1
2
3
4
5
6

IR-PCB

Compressor #3 Control Cable

DRIP LEG

X4I X03 CONNECTOR
V3
13
14
15
16
17
18

IR-PCB CONNECTOR
V1
1
2
3
4
5
6

Compressor
#4

Compressor #4 Control Cable
X4I X04 CONNECTOR
V4
19
20
21
22
23
24

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IR-PCB

6

IR-PCB CONNECTOR
V1
1
2
3
4
5
6

X4I System Automation

POWER SUPPLY

DEMAND (DRY) SIDE PRESSURE CONTROL

A fused switching isolator must be installed to the main
incoming power supply, external to the X4I. The isolator
must be fitted with a properly sized fuse to provide
adequate protection to the power supply cable used (in
accordance with local electrical and safety regulations).

2

XPM-TAC24
1

2

3

1

4

2

3

P

P

1

4

X04
L

N

E

E
X01

L N E

Pressure Sensor Located After Shared Cleanup
Equipment

VOLTAGE SELECT

230Vac
1

2

3

4

X04

P

P

VOLTAGE SELECT

1

115Vac

P

Power Supply Terminals
Ensure that the voltage select input is properly
jumpered for the incoming power. Default voltage
configuration is 230Vac.

2
Pressure Sensor Located After Individual Cleanup
Equipment

PRESSURE SENSOR LOCATION

Ensure each compressor is equipped with
independent excess pressure shutdown. An increase in
pressure differential across air treatment equipment can
result in excess compressor discharge pressure.

The system pressure sensor (P) must be located where it
will see the air pressure that is common to all of the
compressors.
SUPPLY (WET) SIDE PRESSURE CONTROL

Regular routine monitoring of pressure differential
across air treatment equipment is recommended.

P

1

P

2
Pressure Sensor Located Before Cleanup Equipment
Dry side pressure will be lower than the system
pressure due to pressure differential losses across air
treatment equipment. The nominal system pressure will
reduce as the air treatment differential pressure
increases.

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X4I System Automation

conductor cable no more than 330 feet (100 meters) in
length. The transducer threads are BPT. It is the
equivalent of ¼” NPT.

PRESSURE SENSOR CONNECTION
The pressure sensor connects to terminal X05 of the X4I
terminal PCB using a shielded 18 AWG maximum 2-

Pressure Sensor Wiring and Location
Wire polarity is important.

IR-PCB INTERFACE MODULE
The IR-PCB is designed to interface a compressor with
the X4I using a 7-conductor shielded cable or individual
wires run through grounded conduit no greater than 330
feet (100 meters) in length.
Each compressor in the system must be assigned a
unique identification number from 1 up to the number of
compressors in the system. The identification number
should be clearly indicated on each compressor for
operational reference.
For each compressor utilizing an IR-PCB, connection to
the X4I the signal wires must be made to the correct X4I
terminals for that compressor number. Compressor 1
should be wired to terminal X01 on the terminal PCB,
Compressor 2 should be wired to terminal X02 on the
terminal PCB, etc.

IR-PCB Interface Module
The IR-PCB is a DIN rail mountable module designed to
be installed within the compressor starter enclosure.
Each air compressor must be equipped with a
load/unload regulation system and, if not regulated with
a single electro-mechanical pressure switch, have a
facility for a remote load/unload control with the ability
to accept a volt-free switching contact input for remote
load/unload. Each air compressor must have Auto
Restart capability.

V For variable speed compressor(s) equipped with a
“variable/fixed” digital input function, install a 7conductor shielded cable from the IR-PCB to the X4I.

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X4I System Automation

the compressor is in a started (standby or running)
condition. For example, locate the circuit across the
ready or operating lamp as shown.

Consult the air compressor manual or your air
compressor supplier/specialist for details before
installing the X4I.

The voltage to this input must de-energize when the
compressor is stopped and unavailable to produce air
upon a load signal, or the emergency stop button is
pressed, or when the compressor experiences a fault that
prevents the compressor from running.

Each air compressor must be equipped with an
online/offline pressure regulation system capable of
accepting a remote load/unload signal through a volt
free switching contact or a single electro-mechanical
pressure switch.

When the compressor ready lamp or other control circuit
is energized, the IR-PCB will detect the voltage and signal
the X4I that the compressor is ready and available to
load and produce air when a load request signal is given.

The IR-PCB accepts a 12V to 250V input voltage detection
system and utilizes universal relay contact control
outputs (250V “CE” / 115V “UL” @ 5A maximum)
integrated directly into the circuits of an air compressor.
The IR-PCB avoids the need for additional relays or
remote inputs. The IR-PCB also acts as an electrical
barrier between the compressor and the X4I providing
protection and voltage isolation.

The IR-PCB common input terminal must always be
connected to the neutral, common or 0V line of the
applied input voltage.
READY INPUT, ALTERNATIVE CONNECTION METHOD

Consult the X4I Interconnect and Application Guide
prior to the installation of the X4I and the IR-PCB to the
air compressor.

In instances where a convenient voltage signal for a
compressor ready condition is not available, the “ready”
input can be connected directly to a constant compressor
control voltage (12V to 250Vac or dc). This will signal the
X4I that the compressor is ready and available at all
times when power is applied to the compressor. The X4I
has a built-in function to determine when a compressor
is not responding, or is in a shutdown condition, even if
the “ready” signal says otherwise. If the X4I requests a
compressor to run/load, but fails to detect a RUN signal
within 60 seconds, the X4I will regard the compressor as
“not ready” and indicate the compressor as not available.
If a RUN signal is reacquired at any time, the X4I will
automatically reset the compressor “not ready” condition
and re-establish control.

INPUT FUNCTIONS
The IR-PCB is fitted with a six-pin terminal, C04, for
compressor monitoring. The IR-PCB uses two inputs,
Ready and Run, to determine compressor status. An
alarm input can be used if compressor warning
indication is available and required. The alarm input is
optional and is not necessary for system operation.
READY INPUT
The ‘Ready’ connection is intended to indicate that the
compressor is in a “started” state, has no alarm condition
that has shut down the compressor, and is ready to
respond to X4I regulation without manual intervention.
READY LAMP

+Vac
F1

0V

+V

0Vac

READY

Alternative Ready Signal Connection

ALARM

RUN

Never connect the “Ready” input positive voltage
connection directly to the output of a control system
transformer. Always connect after a fuse or circuit
breaker.

READY

C04

Typical Ready Input Wiring

If a normally closed contact of an emergency stop button
is included in the compressor power supply circuit,
connect after the emergency stop button contacts. This
will instantly indicate a compressor “not ready” condition
if the emergency stop button is activated.

The READY input will accept 12V to 250V ac (50/60Hz)
or dc.
Do not connect a voltage greater than 250Vac/dc to
this input.
This input must be connected to a circuit of the
compressor control system that will be energized when

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9

X4I System Automation

The IR-PCB input common terminal must always be
connected to the neutral, common or 0V line of the
applied input voltage.

RUN INPUT
MAIN (LINE) CONTACTOR
0V

WARNING INPUT (OPTIONAL)

+V

The IR-PCB is equipped with a warning input that can be
used to detect warning conditions.
An alarm that stops the compressor, and/or
prevents the compressor from running is determined
from the “run” and “ready” inputs. Warning detection is
optional and is not a requirement.

Alarm Lamp
ALARM

RUN

READY

0V

+V

C04

Run Signal Circuit
The RUN input will accept 12V to 250V AC (50/60Hz)
only. DC cannot be used.
Do not connect a voltage greater than 250V to this
input.
12V to 250Vac must be applied to the “run” terminals
when the compressor motor is running.
This input can be connected to the control terminals A1
and A2 (coil) of the main starter contactor of the
compressor. When the compressor control system
energizes the main contactor, the IR-PCB will detect the
voltage across the contactor coil terminals and signal the
X4I that the compressor is running.

Alarm

Warning Input Circuit
The warning input will accept 12V to 250V AC (50/60Hz)
or DC.
Do not connect a voltage greater than 250Vac/DC to
this input.

MAIN (LINE) CONTACTOR

+V

This input can be connected to the terminals of an alarm
lamp or other accessible part of the control circuit that is
energized when the compressor is in a warning
condition.

0V
0V

If a warning condition is experienced the compressor
warning lamp, or warning circuit, will energize. The IRPCB will detect the voltage and signal the X4I that a
warning has occurred. If the compressor has no
accessible warning circuit, or this function is not
required, the IR-PCB alarm terminals can be ignored.

AUXILIARY SWITCH

ALARM

Ready

C04

Alternatively, if the main contactor coil voltage is greater
than 250Vac, a contactor auxiliary switch can be used to
apply a suitable voltage to the “run” input terminals.

+V

Run

RUN

The IR-PCB input common terminal must always be
connected to the neutral, common or 0V line of the
applied input voltage.

READY

C04

Run Signal Circuit with Auxiliary Switch
In instances where a motor starter contactor is not
available or accessible, any part of a compressor control
circuit that is energized when the compressor is running
can be monitored. For example: fan contactor or voltage
signal to a remote starter.

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X4I System Automation

OUTPUT FUNCTIONS

0V
+V

The X4I will control the IR-PCB load/unload relay outputs
based on the active system load and unload pressure
setpoints. The IR-PCB load/unload relay contacts can be
used for compressor controllers that have electromechanical pressure switch load/unload regulation.

C

NC

NO

C

NO

NC

LOAD
SOLENOID

IN

OUT

C02

Two Wire Pressure Switch Connections
LOAD
SOLENOID
0V

+V

RUN-ON
TIMER

C

NC

NO

C

The C01 and C02 terminals of the IR-PCB are intended to
control load and unload regulation of the compressor.

NC

NO

IR-PCB Internal Output Circuits
IN

OUT

C02

Three Wire Pressure Switch Connections
PRESSURE SWITCH REGULATION
For air compressors fitted with an electro-mechanical
pressure switch, a six-pin terminal C02 has been
provided to enable connection to a pressure switch that
has a two-wire or three-wire connection.

DIGITAL REGULATION CONTROL TERMINAL C01

When connected, the pressure switch can be switched in
and out of circuit automatically. If the X4I is stopped or
experiences a failure or loss of power, pressure control
will automatically revert back to the pressure switch and
the compressor will continue to operate in “local” mode.

This terminal provides volt free contact closure,
referenced to a common terminal pin, for:

A 4-pin connector, C01, has been provided for air
compressor controllers fitted with digital inputs allowing
remote pressure regulation control.

The local pressure settings of all compressors in the
system should be set in a cascaded manner such that the
system will operate normally in the event of X4I
inoperability.

Remote Load Enable (remote/local
pressure regulation control)

•

Remote Load (remote load/unload)

•

Remote Variable Speed Regulation
Inhibit (remote variable/fixed speed
regulation control)

The “remote load enable” function provides the facility to
change the compressor load regulation from internal
control to a remote switching source (local/remote).

The NC (normally closed) and NO (normally open)
terminal references of the IR-PCB are related to internal
connection functions and should not be referenced to the
connections of a compressor pressure switch, which will
generally be in reverse order.

V

The “remote variable/fixed” function provides for
multiple variable speed compressor regulation control on
variable speed compressor(s) equipped with this facility.

Lethal voltages may be present on the terminals of
the air compressor pressure switch. Isolate the air
compressor power supply before starting any work.

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•

When using the “Variable/Fixed” function, the “V”
terminal of the IR-PCB must be connected to the
appropriate “V” terminal of the X4I (according to
11

X4I System Automation

functions are internally connected and a short circuit
condition and/or malfunction may result.

compressor number) with an additional wire. Use a 7conductor shielded cable in this instance.

The IR-PCB connection examples shown in this manual
are intended to provide a guide for the majority of
compressor control systems in use. Some compressors
have variations in operation and/or function; consult
your compressor supplier/specialist for advice.

Compressors that use electronic pressure detection
but are not equipped with a remote pressure control
enable feature will not automatically revert to local
control if the X4I is stopped or experiences a fault or loss
of power.

SERVICE MAINTENANCE SWITCH

+VDC

+VDC

The IR-PCB is equipped with a volt-free input (terminal
C05) that can be used to remove the compressor from
X4I control, without generating a fault condition, during
short-term maintenance or servicing periods.

VFD/Fixed
Load Enable
VFD/Fixed

Load/Unload

Load Enable

1
2

Load/Unload

C05

ir-PCB
Service Maintenance Switch Circuit
Load, Sequence, and VFD Connections

When the “Service Maintenance Switch” input terminal
pins are connected together using a volt-free switching
contact, the X4I will indicate that the compressor is not
available but will not generate a warning, alarm, or
shutdown condition. The X4I will also remove the
compressor from the sequence strategy and substitute
with an alternative available compressor if necessary.
When the “Service Maintenance Switch” input circuit is
open again, the compressor will automatically be
accepted back in to the sequence strategy and will be
utilized when next required.

Compressor controller inputs common voltage may
be 0V or +V.
The local/remote pressure regulation input and/or
remote load input logic of some electronic pressure
sensor type controllers are reversed. In this instance, the
“pressure switch” outputs (terminal C02) can be used to
establish alternative logic control connections.
For Example:

The use of a “key switch” is recommended for this
purpose in order to prevent the switch contacts being
inadvertently left in the closed circuit condition after
service maintenance is complete.

If the compressor controller “Local/Remote Pressure
Control” input is a normally open type (local when open,
remote when closed), but the “Remote Load” input is a
normally closed type (load when open), the IR-PCB
pressure switch terminal contacts can be used to achieve
the correct switching logic.

DO NOT connect any external voltage source to the
pins of terminal C05.

C02
NO
OUT

C
NC

AUXILIARY INPUT (OPTION)
The X4I is equipped with an auxiliary input at terminals
31 and 32 (X07).

Remote Load

NO
IN

Local/Remote
common

The function of the input is menu selectable and can be
adapted for differing application requirements.

common

C
NC

X07
32
31

Alternate Logic
Examine the “i-PCB” internal output circuit diagram to
establish any desired switching logic that may differ from
normal practice.

Auxiliary Input Circuit
The input is designed to detect a remote “volt-free”
switching contact (rated for a minimum 24VDC @ 10mA).

Do not attempt to utilize “Digital Pressure
Regulation Control” (terminal C01) and the “Pressure
Switch Control” (terminal C02) output connections at the
same time for different products. These two output

www.air.irco.com

12

X4I System Automation

anomaly that is difficult to diagnose. To avoid this
possibility, always use shielded cables, securely bonded
to a known ground at one end. In addition, give careful
consideration to cable routing during installation.

AUXILIARY OUTPUT (OPTION)
The X4I is equipped with a remote relay contact output at
terminals 33 and 34 (X08).
The function of the output is menu selectable and can be
adapted for differing application requirements.

•

Never route an RS485 data
communications or low voltage signal
cable alongside a high voltage or 3phase power supply cable. If it is
necessary to cross the path of a power
supply cable(s), always cross at a right
angle.

•

If it is necessary to follow the route of
power supply cables for a short distance
(for example: from a compressor to a
wall along a suspended cable tray),
attach the RS485 or signal cable on the
outside of a grounded cable tray such
that the cable tray forms a grounded
electrical interference shield.

•

Where possible, never route an RS485 or
signal cable near to equipment or
devices that may be a source of
electrical interference. For example: 3phase power supply transformer, high
voltage switchgear unit, frequency
inverter drive module, radio
communications antenna.

X08
34

R6

33

Auxiliary Output Circuit
The remote output relay contacts are rated for 240V “CE”
/ 115V “UL” @ 5A maximum.
RS485 COMMUNICATIONS
The X4I is equipped with an RS485 network
communications capability using the proprietary
Multi485 protocol.
This can be only used for remote connectivity to
optional X4I expansion networked units and modules
with proprietary Multi485 communications capabilities.
X06

L1
L2

30

L1
L2

29
28
27

RS485

RS-485 Connection Circuit
RS485 data communications and other low voltage
signals can be subject to electrical interference. This
potential can result in intermittent malfunction or

SECTION 5 — ASSISTANCE
Contacting Technical Support Services or Service Bulletins listed on the IR ServiceNet can provide further assistance if there
are other questions or concerns during Installation and Start-up. Also, additional Application and Compressor Interconnect
Guides will be posted and available on the IR ServiceNet as they are developed and created.

SECTION 6 — X4I OVERVIEW AND INTERCONNECT DRAWINGS
The following pages are to assist with the connection of the X4I to variety of Ingersoll Rand Compressors. These drawings
are for Guidance Only; connections may differ with date, model, type, variant, special, custom or concession builds. This
information is intended to be used in conjunction with the compressor’s original control circuit diagram.

www.air.irco.com

13

X4I System Automation

SPECIFICATIONS
11.45” x 9.45” x 6.0”
291mm x 241mm x 152mm
Weight
14lb (6.4kg)
Mounting
Wall, 4 x screw fixings
Enclosure
IP65, NEMA 4
Supply
230Vac +/- 10%, 50 Hz
115Vac +/- 10%, 60 Hz
Power
50VA
Temperature 32°F to 115°F
(0°C to 46°C)
Humidity
0% to 95% RH
(non-condensing)
Dimensions

Ingersoll Rand Automation
Model X4I
COMPRESSOR CONTROL CABLE
7 Conductor Cable, 18 Gauge, Stranded, Earth Shielded
OR
Single Conductor Wire, 18 Gauge Stranded, Quantity (7)
In Grounded Conduit
No Greater Than 330FT (100M)
24VAC Control Voltage

Compressor #4 Control Cable
Local Disconnect (Breaker) Box
Fused for 50VA

Compressor #3 Control Cable
On/Off
Switch

Power Cable
3 conductor (L, N, E)
(Sized in accordance with local
electrical and safety regulations).

Supply Voltage Cable

Compressor #2 Control Cable
Compressor #1 Control Cable

Pressure Transducer Cable

Compressor
#1

IR-PCB

Compressor #1 Control Cable

PRESSURE TRANSDUCER CABLE
2 Conductor Cable, 18 Gauge Stranded
Earth Shielded
No Greater Than 330FT (100M)
24VDC Control Voltage
X4I X05 CONNECTOR
PT CONNECTOR
25
+VDC Pin #3
26
Signal Pin #1
Reference X4I Operations Manual for Pressure
Sensor Connection Details

X4I X01 CONNECTOR
V1
1
2
3
4
5
6

IR-PCB CONNECTOR
V1
1
2
3
4
5
6

Compressor
#2

Compressor
#3

IR-PCB

Compressor #2 Control Cable
X4I X02 CONNECTOR
V3
7
8
9
10
11
12

PRESSURE TRANSDUCER

RECEIVER

Reference X4I Compressor
Interconnect and Application Guide
For Connections Between The
Compressor And The IR-PCB

IR-PCB CONNECTOR
V1
1
2
3
4
5
6

IR-PCB

Compressor #3 Control Cable

DRIP LEG

X4I X03 CONNECTOR
V3
13
14
15
16
17
18

IR-PCB CONNECTOR
V1
1
2
3
4
5
6

Compressor
#4

IR-PCB

Compressor #4 Control Cable
X4I X04 CONNECTOR
V4
19
20
21
22
23
24

X4I Overview Page 14

IR-PCB CONNECTOR
V1
1
2
3
4
5
6

X4I Interconnect To Ingersoll Rand Unigy & Nirvana 20-40 HP Compressors
Refer to the X4I Overview Drawing for the X4I Compressor 2 through 4 X01 to IR-PCB terminal connections

For Unigy Compressors::
All Unigy Phase 1 compressors “MUST” be converted to Phase 2 or higher. Contact Technical Support Services for the CCN's required for this
conversion.
For Nirvana 20-40HP Compressors:
Remote Control “MUST” be set to on.
Check the Nirvana Software revision level. It “MUST” be updated to Version 1.10 or greater. Contact Technical Support Services to acquire the
update.

Drawing Notes For Unigy Phase 1 Machines:
Note: All Unigy Phase 1 compressors “MUST” be converted to Phase 2 or higher. Contact Technical Support Services for the CCN's required for this conversion. This Drawing on
Page 16 is a representation for “AFTER” the conversion is completed.
Note: The Unigy Target Pressure “MUST” be set equal to the “midpoint” of the X4I pressure control band.

Drawing Notes For Unigy Phase 2/3 Machines:
Note: The Unigy Target Pressure “MUST” be set equal to the “midpoint” of the X4I pressure control band.

Drawing Notes For Nirvana 20-40HP Machines:
Note: Remote Control “MUST” be set to on.
Note: The Nirvana Target Pressure “MUST” be set equal to the “midpoint” of the X4I pressure control band.

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds. This information is intended to
be used in conjunction with the compressor’s original control circuit diagram.

X4I Interconnect To Ingersoll Rand Unigy & Nirvana 20-40 HP Compressors Page 15

Unigy Phase 1

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

D13

13

+24VDC

14

EN

12

DI-4

11

+24VDC

9

DI-2

5

0V

17

NO

Load/Unload
E-STOP

C03
NO
OUT

6

SA1

10
HATS

+20V

C
NC

C02

NO
IN

LED 5 V
LED 2 LOAD
LED 1 SEQ

C
NC
VFD/FIX

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

RUN

1
2

READY
IR-PCB

Unigy 1
7.5 - 15 HP
5.5 – 11 kW

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

Unigy Phase 1 1of2 Page 16

Unigy Phase 1

Unigy Phase 1 2of2 Page 17

Unigy Phase 2/3

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

D13

13

+24VDC

14

EN

12

DI-4

11

+24VDC

9

DI-2

5

0V

17

NO

Load/Unload
E-STOP

C03
NO
OUT

6

SA1

10
HATS

+20V

C
NC

C02

NO
IN

LED 5 V
LED 2 LOAD
LED 1 SEQ

C
NC
VFD/FIX

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

RUN

1
2

READY
IR-PCB

Unigy
7.5 - 15 HP
5.5 – 11 kW

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

Unigy Phase 2/3 1of2 Page 18

Unigy Phase 2/3

Unigy Phase 2/3 2of2 Page 19

Nirvana 15 – 30KW
(20 – 40HP)
X4I
COMPRESSOR #1
X01 TERMINAL

12

+24VDC

C01 VFD/fixed
Load Enable

18

Remote
VFD / FIXED

Load/Unload

32

Remote
LOAD ENABLE

33

Remote
LOAD / UNLOAD

37

SAFE

4

C

20

COM

6

NC

+VDC

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

NO
OUT

6

C03

+20V

C
NC

C02

NO

C05

C
NC

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

IN

LED 5 V
LED 2 LOAD
LED 1 SEQ

ALARM
C04

RUN

1
2

READY
IR-PCB

Nirvana
20 - 40 HP
15 – 30 kW

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

Nirvana 15 - 30KW (20-40HP) 1of2 Page 20

Nirvana 15 - 30KW
(20-40HP)

Nirvana 15 - 30KW (20-40HP) 2of2 Page 21

X4I Interconnect To Ingersoll Rand Intellisys Redeye Controlled Compressors
Refer to the X4I Overview Drawing for the X4I Compressor 2 through 4 X01 to IR-PCB terminal connections

For Redeye Intellisys Controlled Machines:
The ‘MASTER CONTROL’ setting of the Intellisys controller must be set to ‘ON’
The 'SEQUENCER' setting of the Intellisys controller must be set to 'ON'.
Auto Restart must be turned 'ON’ to allow the machines to stop in Auto restart when unloaded by the X4I.
The Intellisys must be run in the Online/Offline regulation mode. Do not use Modulation or ACS.
Check the Intellisys software revision level. Always update to the latest revision prior to operation.
For DSA Redeye Controllers, the 'SEQUENCER Option’ must be purchased. installed and then turned on.
CCN: 39225099
For ESA Redeye Intellisys Controllers, the SI1 interface (CCN: 42425710) must be used to allow the Redeye to be controlled by the X4I
For Sierra Redeye Intellisys Controllers, the SI1 interface (CCN: 42425710) must be used to allow the Redeye Controller to be sequenced/controlled
by the X4I
Drawing Notes For Redeye Intellisys Controlled Machines:
Note: For Star Delta starter wiring the X4I Run signal should be connected directly to the 1M coil.
Note: For Full voltage wiring the 1S (1Sb) interlock will not be used. The X4I Run signal can be connected directly to the Intellisys BTS1-28 terminal.

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds. This information is intended to be
used in conjunction with the compressor’s original control circuit diagram.

X4I Interconnect To Ingersoll Rand Intellisys Redeye Controlled Compressors Page 22

SSR Redeye

Analog Barrier Board
BTS311

X4I
COMPRESSOR #1
X01 TERMINAL
V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

+VDC

12

C01 VFD/fixed
Load Enable

16

Remote Load/Unload
(was Remote Start)

Remote Load Enable
(was Remote Stop)

Load/Unload
18

C03
NO
OUT

C
NC

C02

NO

C05

C
NC

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

BTS1-

ALARM
0VAC
C04

1M

1

RUN

1
2

READY

HATS
110VAC

E-STOP

BTS134

IR-PCB
BTS21
2
3
Starter Interface Board

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SSR Redeye 1of3 Page 23

SSR Redeye FV

SSR Redeye FV 2of3 Page 24

SSR Redeye SD

SSR Redeye SD 3of3 Page 25

X4I Interconnect To Ingersoll Rand Intellisys SE Controlled Compressors
Refer to the X4I Overview Drawing for the X4I Compressor 2 through 4 X01 to IR-PCB terminal connections

For All SE Intellisys Controlled Machines:
The 'SEQUENCER' setting of the Intellisys controller must be set to 'ON'.
Auto Restart must be turned 'ON’ to allow the machines to stop in Auto restart when unloaded by the X4I.
The Intellisys must be run in the Online/Offline regulation mode. Do not use Modulation or ACS.
Check the Intellisys software revision level. Always update to the latest revision prior to operation.
For UP SE Intellisys Controllers,
Minimum Software Version 1.11
CCN: 39217047 (w/o PORO)
CCN: 39217039 (w PORO)
When installing the Sequence Option to enable Remote Load/Unload, the Remote Start Stop input terminals are now used for the Remote Load
I
nputs. Remote Start Stop will no longer be functional. The SI1 interface (CCN: 42425710) can be used in place of the Sequence Option to allow
the SE controlled machines to function with both Remote Load Unload and Remote Start Stop.
Software Version 1.20 and Greater
The 'CONTACT SEQUENCE' setting of the Intellisys controller must be set to 'ON'.

Drawing Notes For UP SE Intellisys Controlled Machines:
Note: For Star Delta starter wiring the X4I Run signal should be connected directly to the 1M coil.
Note: For Full voltage wiring the 1S (1Sb) interlock will not be used. The X4I Run signal can be connected directly to the Intellisys J5-1 terminal.
Note: For Pegasus machines wiring may be factory installed connecting the Intellisys Alarm Relay J5-9, J5-10 and J5-11 to a terminal strip but unused. Remove any factory installed
wiring from the Intellisys Alarm Relay contacts and connect the X4I Interface board wiring directly to the Intellisys Alarm Relay terminals J5-9 and J5-10.

For ESA SE Intellisys Controllers, the 'SEQUENCER Option’ must be purchased. installed and then turned on.
Minimum Software Version 1.40
CCN: 39217047 (w/o PORO)
CCN: 39217039 (w PORO)
When installing the Sequence Option to enable Remote Load/Unload, the Remote Start Stop input terminals are now used for the Remote Load
I
nputs. Remote Start Stop will no longer be functional. The SI1 interface (CCN: 42425710) can be used in place of the Sequence Option to allow
the SE controlled machines to function with both Remote Load Unload and Remote Start Stop.

Drawing Notes For ESA SE Intellisys Controlled Machines:
Note: For Star Delta starter wiring the X4I Run signal should be connected directly to the 1M coil.
Note: For Full voltage wiring the 1S (1Sb) interlock will not be used. The X4I Run signal can be connected directly to the Intellisys J5-1 terminal.

For DSA SE Intellisys Controllers, the 'SEQUENCER Option’ must be purchased. installed and then turned on.
CCN: 22179238
When installing the Sequence Option to enable Remote Load/Unload, the Remote Start Stop input terminals are now used for the Remote Load
inputs. Remote Start Stop will no longer be functional. The SI1 interface (CCN: 42425710) can be used in place of the Sequence Option to allow
the SE controlled machines to function with both Remote Load Unload and Remote Start Stop.

Drawing Notes For DSA SE Intellisys Controlled Machines:
Note: For Star Delta starter wiring the X4I Run signal should be connected directly to the 1M coil.
Note: For Full Voltage wiring, the 1S (1Sb) interlock will not be used. The X4I Run signal can be connected directly to the Intellisys terminal 42.

For Sierra SE Intellisys Controllers, the SI1 interface (CCN: 42425710) must be used to allow the SE Controller to be sequenced/controlled by the X4I
Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds. This information is intended to be
used in conjunction with the compressor’s original control circuit diagram.

X4I Interconnect To Ingersoll Rand Intellisys SE Controlled Compressors Page 26

SE UP

X4I
COMPRESSOR #1
X01 TERMINAL

J1

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

11

C01 VFD/fixed
Load Enable

12

Load/Unload

14

13

Remote Load/Unload
(was Remote Start)
Remote Load/Unload
(was Remote Start)

C03
NO
OUT

6

6

+VDC

+20V

C
NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC
J5

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

1M

0VAC

1

RUN

1

J5

2

READY

110VAC

E-STOP

IR-PCB

7
J5
9
10
11

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SE UP 1of2 Page 27

Intellisys SE
UP Series

SE UP

SE UP 2of2 Page 28

SE ESA

X4I
COMPRESSOR #1
X01 TERMINAL

J1

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

11

C01 VFD/fixed
Load Enable

12

Load/Unload

14

13

Remote Load/Unload
(was Remote Start)
Remote Load/Unload
(was Remote Start)

C03
NO
OUT

6

6

+VDC

+20V

C
NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC
J5

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

0VAC

1M

1

RUN

1

J5

2

READY

110VAC

MCB2 HAT E-STOP

IR-PCB

7
J5
9
10
11

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SE ESA 1of2 Page 29

Intellisys SE
ESA Series

SE ESA

SE ESA 2of2 Page 30

SE DSA

X4I
COMPRESSOR #1
X01 TERMINAL

J1

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

C01 VFD/fixed
Load Enable

5

Load/Unload

3

4

Remote Load/Unload
(was Remote Start)
Remote Load/Unload
(was Remote Start)

C03
NO
OUT

6

6

+VDC

+20V

C
NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC
J5

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

0VAC

1M

RUN

1
2

42

READY

1ATS
110VAC

E-STOP

IR-PCB

J5
36
J5
34
33
32

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SE DSA 1of2 Page 31

Intellisys SE
DSA Contact
Cooled

SE DSA

SE DSA 2of2 Page 32

X4I Interconnect To Ingersoll Rand Intellisys SG Controlled Compressors
Refer to the X4I Overview Drawing for the X4I Compressor 2 through 4 X01 to IR-PCB terminal connections

For SG Intellisys Controlled Machines:
The 'SEQUENCER' setting of the Intellisys controller must be set to 'ON'.
Auto Restart must be turned 'ON’ to allow the machines to stop in Auto restart when unloaded by the X4I.
The Intellisys must be run in the Online/Offline regulation mode. Do not use Modulation or ACS.
Check the Intellisys software revision level. Always update to the latest revision prior to operation.
For Sierra SG Intellisys Controllers, the SI1 interface (CCN: 42425710) can be used as an alternative to allow the SG Controller to be sequenced/
controlled by the X4I
Drawing Notes For SG Intellisys Controlled Machines:
Note: For Star Delta starter wiring the X4I Run signal should be connected directly to the 1M coil.
Note: For Full Voltage wiring, the 1S (1Sb) interlock will not be used. The X4I Run signal can be connected directly to the Intellisys P1-2 terminal.
Refer to the X4I Overview Drawing for the X4I Compressor 2 through 4 X01 to IR-PCB terminal connections

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds. This information is intended to be
used in conjunction with the compressor’s original control circuit diagram.

X4I Interconnect To Ingersoll Rand Intellisys SG Controlled Compressors Page 33

SG SSR

X4I
COMPRESSOR #1
X01 TERMINAL

P3

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

25

C01 VFD/fixed
Load Enable

26

Load/Unload

28

27

Remote Load Enable

Remote Load/Unload

C03
NO
OUT

6

6

+VDC

+20V

C
NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC
1Sb

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

0VAC

RUN

1
2

P1
2

1M

READY

1ATS
110VAC

E-STOP

IR-PCB

P1
1
P2
3
2
1

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SG SSR 1of2 Page 34

Intellisys SG

SG SSR

SG SSR 2of2 Page 35

SG Sierra

X4I
COMPRESSOR #1
X01 TERMINAL

P3

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

25

C01 VFD/fixed
Load Enable

26

Load/Unload

28

27

Remote Load Enable

Remote Load/Unload

C03
NO
OUT

6

6

+VDC

+20V

C
NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC
1Sb

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

RUN

1
2

P1
2

1M

0VAC

READY

1ATS
110VAC

E-STOP

IR-PCB

P1
1
P2
3
2
1

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SG Sierra 1of2 Page 36

Intellisys SG

SG Sierra

SG Sierra 2of2 Page 37

X4I Interconnect To Ingersoll Rand Pressure Switch Controlled Compressors
Refer to the X4I Overview Drawing for the X4I Compressor 2 through 4 X01 to IR-PCB terminal connections

For All Compressors:
Compressors to be connected must have automatic Start / Stop capability .
Drawing Notes For Pressure Switch Controller Machines:
Ensure each compressor is equipped with independent Excessive Pressure Shutdown Switch. An increase in pressure differential across air
treatment equipment can result in excess compressor discharge pressure. See Pages 84 and 85 for an example drawing. In most applications,
the model and type of pressure switch supplied with the compressor can be used as the Excessive Pressure Shutdown Switch. If this is specific
model/type of pressure switch is not readily available, any pressure switch can be utilized as long as it equals or exceeds the specifications of
the pressure switch found on the compressor.
Set the Excessive Pressure Shutdown Switch to “OPEN” 5 PSI less than the maximum discharge pressure recommended by the compressor
manufacturer.

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds. This information is intended to
be used in conjunction with the compressor’s original control circuit diagram.

X4I Interconnect To Ingersoll Rand Pressure Switch Controlled Compressors Page 38

SSR UP5 11-22 SD

E-STOP

MOL
Contact

HATR
Contact

SS

Restart TD
Relay
Contact

110VAC

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

Load/Unload

To TM2 Relay
To KM1 Contact

P

C03
NO
OUT

To KM2 Contact

C
NC

C02

NO

C05

C
NC

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

ALARM
C04

KM1 Relay
Contact

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SSR UP5 11-22 SD 1of2 Page 39

KM1

0 VAC

SSR UP5 11-22 SD

SSR UP5 11-22 SD 2of2 Page 40

SSR UP5 22-37 SD

E-STOP

MOL
Contact

KM1
Relay
Contact
MMS
Contact

TM3
Relay
Contact
HATR
Contact

SS

Restart TD
Relay
Contact

110VAC

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC

V1

V

V

C01 VFD/fixed
Load Enable

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

Load/Unload

To TM2 Relay
To KM1 Contact

P

C03
NO
OUT

To KM2 Contact

C
NC

C02

NO

C05

C
NC

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

ALARM
C04

KM1 Relay
Contact

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SSR UP5 22-37 SD 1of2 Page 41

KM1

0 VAC

SSR UP5 22-37 SD

SSR UP5 22-37 SD 2of2 Page 42

SSR UP6 15-30 FV

E-STOP

COL

ON

OFF

HATR
Contact

Restart TD
Relay
Contact

110VAC

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

To TR Relay
To M Contact

Load/Unload
1PS

C03
NO
OUT

To 1SV
To 3SV

C
NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC
M

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SSR UP6 15-30 FV 1of2 Page 43

0 VAC

SSR UP6 15-30 FV

SSR UP6 15-30 FV 2of2 Page 44

SSR UP6 15-30 SD

E-STOP

OL

ON

OFF

HATR
Contact

Restart TD
Relay
Contact

110VAC

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

To TR Relay
To 1M Contact

Load/Unload
1PS

C03
NO
OUT

C

To 2M Contact

NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC

1M
Contact
1M

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SSR UP6 15-30 SD 1of2 Page 45

0 VAC

SSR UP6 15-30 SD

SSR UP6 15-30 SD 2of2 Page 46

1M
Relay
Contact

SSR UP6 40-50 FV

E-STOP

OL

MMS
Contact

TDRI
Relay
Contact

SS
ON OFF

HATR
Contact

Restart TD
Relay
Contact

110VAC

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

To TR Relay
To 1M Contact

Load/Unload
1PS

C03
NO
OUT

C

To TDRI Contact

NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC
1M

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SSR UP6 40-50 FV 1of2 Page 47

0 VAC

SSR UP6 40-50 FV

SSR UP6 40-50 FV 2of2 Page 48

1M
Relay
Contact

SSR UP6 40-50 SD

E-STOP

OL

MMS
Contact

TDRI
Relay
Contact

SS
ON OFF

HATR
Contact

Restart TD
Relay
Contact

110VAC

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

To TR Relay
To 1M Contact

Load/Unload
1PS

C03
NO
OUT

C

To 2M Contact

NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC

1M
Contact
1M

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SSR UP6 40-50 SD 1of2 Page 49

0 VAC

SSR UP6 40-50 SD

SSR UP6 40-50 SD 2of2 Page 50

UP6 5-15 FV 1PH 60Hz

X4I
COMPRESSOR #1
X01 TERMINAL
V1

V

V

C01 VFD/fixed
Load Enable

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

E-STOP

OL

+VDC

To HM
To EDV
To M

110VAC

Load/Unload

C03

CR
Contact

NO
OUT

C
NC

C02
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C

PS

NC

LED 3
RUN

LED 4
READY

C05

ST

HATS

NO

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

To 1M Contact
To CR Relay

ALARM
C04

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

UP6 5-15 FV 1PH 60Hz 1of2 Page 51

0 VAC
M

UP6 5-15 FV 1PH 60Hz

UP6 5-15 FV 1PH 60Hz 2of2 Page 52

UP6 5-15 FV 3PH 60Hz

X4I
COMPRESSOR #1
X01 TERMINAL

OL

+VDC

V1

V

V

C01 VFD/fixed
Load Enable

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

To HM
To EDV
To M

110VAC

Load/Unload

C03

CR
Contact

NO
OUT

C
NC

C02
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C

PS

NC

LED 3
RUN

LED 4
READY

C05

ST

HATS

NO

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

E-STOP

To 1M Contact
To CR Relay

ALARM
C04

RUN

1
2

READY
IR-PCB

UP6 5-15 FV 3PH 60Hz 1of2 Page 53

0 VAC
M

UP6 5-15 FV 3PH 60Hz

UP6 5-15 FV 3PH 60Hz 2of2 Page 54

UP6 5-15 SD 3PH 60Hz

X4I
COMPRESSOR #1
X01 TERMINAL

OL

+VDC

V1

V

V

C01 VFD/fixed
Load Enable

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

E-STOP

ST

To HM
To EDV
To 1M/1S/2M Contacts
To TD Relay

HATS
110VAC

Load/Unload

CR
Contact

C03
NO
OUT

C
NC

C02

NO

PS

C
NC

LED 3
RUN

LED 4
READY

C05

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

To 1M Contact
To CR Relay

ALARM
C04

1M
Contact

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

UP6 5-15 SD 3PH 60Hz 1of2 Page 55

0 VAC
1M

UP6 5-15 SD 3PH 60Hz

UP6 5-15 SD 3PH 60Hz 2of2 Page 56

UP6 5-15 FV 3PH 50Hz

X4I
COMPRESSOR #1
X01 TERMINAL

MOL
Contact

+VDC

V1

V

V

C01 VFD/fixed
Load Enable

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

ST

E-STOP

To HM
To EDV
KM1/KM2/KM3 Contacts
To KM1

HATS
110VAC

Load/Unload
CR
Contact

C03
NO
OUT

C
NC

C02

NO

P

C
NC

LED 3
RUN

LED 4
READY

C05

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

To KM1 Contact
To CR Relay

ALARM
C04

KM1
Contact

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

UP6 5-15 FV 3PH 50Hz 1of2 Page 57

0 VAC
KM

UP6 5-15 FV 3PH 50Hz

UP6 5-15 FV 3PH 50Hz 2of2 Page 58

UP6 5-15 SD 3PH 50Hz

X4I
COMPRESSOR #1
X01 TERMINAL

MOL
Contact

+VDC

V1

V

V

C01 VFD/fixed
Load Enable

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

ST

E-STOP

To HM
To EDV
KM1/KM2/KM3 Contacts
To KM1

HATS
110VAC

Load/Unload
CR
Contact

C03
NO
OUT

C
NC

C02

NO

P

C
NC

LED 3
RUN

LED 4
READY

C05

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

To KM1 Contact
To CR Relay

ALARM
C04

KM1
Contact

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

UP6 5-15 SD 3PH 50Hz 1of2 Page 59

0 VAC
KM

UP6 5-15 SD 3PH 50Hz

UP6 5-15 SD 3PH 50Hz 2of2 Page 60

SSR M15-22c 20-30HP XF EP HP HXP 50-60Hz

MCB2
Contact

MOL
Contact

HAT

E-STOP

K3
Contact

ST

SS

To TM3 Contact
To AS Switch

110VAC

K2 Contact
TM2 Contact

ST
X4I
COMPRESSOR #1
X01 TERMINAL

+VDC

V1

V

V

CR
Contact

(OPT)

C01 VFD/fixed
Load Enable

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

Load/Unload

To TM2 Relay

P

C03
NO
OUT

To KM2 Contact

C
NC

C02

NO

C05

C
NC
TM2
Contact

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

ALARM
C04

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SSR M15-22c 20-30HP XF EP HP HXP 50-60Hz 1of2 Page 61

KM1

0 VAC

SSR M15-22c 20-30HP XF EP HP HXP 50-60Hz

SSR M15-22c 20-30HP XF EP HP HXP 50-60Hz 2of2 Page 62

M37-50
K1
Contact
To 2TR Contact

48VAC

To 1VAC Contact
To 3OP Contact

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC

V1

V

V

C01 VFD/fixed
Load Enable

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

Load/Unload

To 2TR Relay

P

C03
NO
OUT

To KM2 Contact

C
NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC
KM1 Contact

C05

KM1
LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

RUN

KM3 Contact

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

M37-50 1of2 Page 63

0 VAC

M37-50

M37-50 2of2 Page 64

EP 20-30 ESP FV

PUSH
STOP

PULL
START
To 1CR Relay

HATS
110VAC

CR
CR
Contact Contact
1TD Contact
X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

To 1TD Relay

Load/Unload
1PS

C03
NO
OUT

C

To 1M Contact

NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC

1M
Contact
1M

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

EP 20-30 ESP FV 1of2 Page 65

0 VAC

EP 20-30 ESP FV

EP 20-30 ESP FV 2of2 Page 66

EP 20-30 ESP SD

PUSH
STOP

PULL
START
To 1CR Relay

HATS
110VAC

CR
CR
Contact Contact
1TD Contact
X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

To 1TD Relay

Load/Unload
1PS

C03
NO
OUT

C

To 2M Contact

NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC

1M
Contact
1M

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

EP 20-30 ESP SD 1of2 Page 67

0 VAC

EP 20-30 ESP SD

EP 20-30 ESP SD 2of2 Page 68

X4I Interconnect To Ingersoll Rand Intellisys SGN / SGNe Controlled Compressors
Refer to the X4I Overview Drawing for the X4I Compressor 2 through 4 X01 to IR-PCB terminal connections

For SGN/SGNe Intellisys Controlled Machines:
The SI1 interface (CCN: 42425710) must be used to allow the SGN/SGNe Controller to be sequenced/controlled by the X4I
The 'SEQUENCER' setting of the Intellisys controller must be set to 'ON'.
Auto Restart must be turned 'ON’ to allow the machines to stop in Auto restart when unloaded by the X4I.
The Intellisys must be run in the Online/Offline regulation mode. Do not use Modulation or ACS.
Check the Intellisys software revision level. Always update to the latest revision prior to operation.

Drawing Notes For Nirvana Machines:
Note: The Nirvana Target Pressure “MUST” be set equal to the Midpoint of the X4I pressure control band.
Refer to the X4I Overview Drawing for the X4I Compressor 2 through 4 X01 to IR-PCB terminal connections

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds. This information is intended to be
used in conjunction with the compressor’s original control circuit diagram.

X4I Interconnect To Ingersoll Rand Intellisys SGN / SGNe Controlled Compressors Page 69

Nirvana SGN/SGNe
Sequence Interface 1
X4I
COMPRESSOR #1
X01 TERMINAL

1

Remote Load / Unload

+VDC
2

C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

3

Run

4

Remote Load Enable

5

Neutral

6

Neutral

7

Hot

Load/Unload

C03
NO
OUT

C
NC

C02

NO

C05

C

COM

NC

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

ALARM
C04

H
N
110 VAC
Supply

RUN

1
2

READY
HATS
IR-PCB

110VAC

E-STOP

COM
SGN/
SGNe
P1
1
SGN/
SGNe
P2
3
2
1
Intellisys Controller

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

Nirvana SGN/SGNe 1of3 Page 70

Nirvana SGN/SGNe

Nirvana SGN/SGNe 2of3 Page 71

Nirvana SGN/SGNe

Nirvana SGN/SGNe 3of3 Page 72

SI1 Interface to Redeye, SE, SG Controllers
Sequence Interface 1
X4I
COMPRESSOR #1
X01 TERMINAL

1

Remote Load / Unload

+VDC
2

C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

3

Run

4

Remote Load Enable

5

Neutral

6

Neutral

7

Hot

Load/Unload

C03
NO
OUT

C
NC

C02

NO

C05

C

COM

NC

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

ALARM
C04

H
N
110 VAC
Supply

RUN

COM

1
2

READY
HATS
IR-PCB

110VAC

E-STOP

Redeye
BTS134
Redeye
BTS2-

SE
DSA
J5
36
SE
DSA
J5

SE
ESA/UP
J5
7
SE
ESA/UP
J5

This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

SI1 Interface to Redeye, SE, SG Controllers Page 73

1
SG
P2

1

34

9

3

2

33

10

2

3

32

11

1

Intellisys Controller

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.

SG
P1

X4I Interconnect To Ingersoll Rand Intellisys S3
Refer to the X4I Overview Drawing for the X4I Compressor 2 through 4 X01 to IR-PCB terminal connections

For All S3 Intellisys Controlled Machines:
The 'REMOTE CONTROL' setting “RC” of the Intellisys controller must be set to 'ON'.
Auto Restart must be turned 'ON’ to allow the machines to stop in Auto restart when unloaded by the X4I.
The Intellisys must be run in the Online/Offline regulation mode. Do not use Modulation.
Check the Intellisys software revision level. Always update to the latest revision prior to operation.
Drawing Notes For Intellisys S3 Machines:
Note: R1 Relay - IR CCN: 39403290
Note: R1 Relay Base – IR CCN: 39125091

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds. This information is intended to
be used in conjunction with the compressor’s original control circuit diagram.

X4I Interconnect To Ingersoll Rand Intellisys S3 Page 74

Intellisys S3

X4I
COMPRESSOR #1
X01 TERMINAL

X04

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

1

C01 VFD/fixed
Load Enable

7

Remote Load Enable

Load/Unload

8

Remote Load/Unload

C03
NO
OUT

6

6

+VDC

+20V

C
NC

C02

NO
IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

C
NC

KM2
Contact
X03

C05

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

ALARM
C04

0VAC

KM1

2

RUN

1
2

READY
IR-PCB

R1
Contact

X02

110VAC

3
4

R1
Coil

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

Intellisys S3 1of2 Page 75

Intellisys S3

Intellisys S3

Intellisys S3 2of2 Page 76

X4I Interconnect To Ingersoll Rand Small Reciprocating Air Compressors
Refer to the X4I Overview Drawing for the X4I Compressor 2 through 4 X01 to IR-PCB terminal connections

For All Compressors:
Compressors to be connected must have automatic Start / Stop capability .

Drawing Notes For Pressure Switch Controller Machines:
Ensure each compressor is equipped with independent Excessive Pressure Shutdown Switch. An increase in pressure differential across air
treatment equipment can result in excess compressor discharge pressure. See Pages 84 and 85 for an example drawing. In most applications,
the model and type of pressure switch supplied with the compressor can be used as the Excessive Pressure Shutdown Switch. If this is specific
model/type of pressure switch is not readily available, any pressure switch can be utilized as long as it equals or exceeds the specifications of
the pressure switch found on the compressor.
Set the Excessive Pressure Shutdown Switch to “OPEN” 5 PSI less than the maximum discharge pressure recommended by the compressor
manufacturer.
Note: R1 and R2 Relay - IR CCN: 39403290
Note: R1 and R2 Relay Base – IR CCN: 39125091

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds. This information is intended to
be used in conjunction with the compressor’s original control circuit diagram.

X4I Interconnect to Ingersoll Rand Small Reciprocating Air Compressors Page 77

UP6RE 7.5–15 175, UP6RX 7.5–15 175

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC

V1

V

V

C01 VFD/fixed
Load Enable

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

ON

SS
OFF

To M
To ETM

110VAC

Load/Unload
LOLS

C03
NO
OUT

C
NC

C02

NO

C05

P

C
NC

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

OL
Contact

ALARM
C04

RUN

0 VAC
M

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

UP6RE 7.5–15 175, UP6RX 7.5–15 175 1of3 Page 78

UP6RE 7.5–15 175, UP6RX 7.5–15 175

UP6RE 7.5–15 175, UP6RX 7.5–15 175 2of3 Page 79

UP6RE 7.5–15 175, UP6RX 7.5–15 175

UP6RE 7.5–15 175, UP6RX 7.5–15 175 3of3 Page 80

Models 2340, 2475, 2545, 7100, 15T & 3000

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

ON

SS
OFF
HATS

Load/Unload

LOLS

C03
NO
OUT

C
NC

C02

R2

NO

P

C
NC

LED 3
RUN

LED 4
READY

C05

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

To M

L1

ALARM
C04

To Customer Supplied
External Neutral

RUN

1
R1

2

READY
IR-PCB

R2

To Customer Supplied
External 110VAC

OL
Contact
L2
M

R1

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

Models 2340, 2475, 2545, 7100, 15T & 3000 10f3 Page 81

Models 2340, 2475, 2545, 7100, 15T & 3000

Models 2340, 2475, 2545, 7100, 15T & 3000 2of3 Page 82

Models 2340, 2475, 2545, 7100, 15T & 3000

Models 2340, 2475, 2545, 7100, 15T & 3000 3of3 Page 83

Excessive Pressure Shutdown Switch Example Before Installation
SSR UP5 11-22 SD
E-STOP

MOL
Contact

HATR
Contact

SS

Restart TD
Relay
Contact

110VAC

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

Load/Unload

To TM2 Relay
To KM1 Contact

P

C03
NO
OUT

To KM2 Contact

C
NC

C02

NO

C05

C
NC

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

ALARM
C04

KM1 Relay
Contact

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

Excessive Pressure Shutdown Switch Example Before Installation Page 84

KM1

0 VAC

Excessive Pressure Shutdown Switch Example After Installation
SSR UP5 11-22 SD
E-STOP

MOL
Contact

Restart TD
Relay
Contact

HATR
Contact

SS

110VAC

X4I
COMPRESSOR #1
X01 TERMINAL

+VDC
Excessive
Pressure
Shutdown
Switch

C01 VFD/fixed
Load Enable

V1

V

V

1

1

SEQ CONT

2

2

LOAD UNL

3

3

GND

4

4

D11

5

5

D12

6

6

+20V

Load/Unload

To TM2 Relay
To KM1 Contact

P

C03
NO
OUT

To KM2 Contact

C
NC

C02

NO

C05

C
NC

LED 3
RUN

LED 4
READY

Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections

IN

LED 5 VFD
LED 2 LOAD
LED 1 SEQ

ALARM
C04

KM1 Relay
Contact

RUN

1
2

READY
IR-PCB

Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.

Excessive Pressure Shutdown Switch Example After Installation Page 85

KM1

0 VAC



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