63 1318—04 T775 Series 2000 Electronic Stand Alone Controllers

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T775 Series 2000 Electronic
Stand-Alone Controllers
SPECIFICATION DATA
• Internal Time Clock Scheduler The Setback and Disable
Output options, controlled by the built-in scheduler or digital
input, will help save energy during unoccupied times and
give you more control of the equipment without needing to
purchase an additional time clock. Run times can be
displayed for the first 4 relay outputs.
• Up To Two Independent Modulating Outputs Each
output can be individually configured for 0-10 Vdc, 2-10
Vdc, 4-20 mA or Series 90.
• Modulating High Or Low Limit Control To protect your
equipment from freezing or overheating, models offering
this feature give you the ability to adjust your control
temperature at Sensor A to protect equipment at Sensor B.
The control adjusts its modulating output to prevent
exceeding the user-entered High or Low limit for Sensor B.
• Optional Configurable Integral And Derivative Times
Standard on every device, this feature delivers pinpoint (PI
or PID) control on modulating outputs set up by default to
behave just like the previous T775 Series 1000, but now
you can adjust reaction times and behavior, giving you
more control. Anti-integral wind-up is standard.

DESCRIPTION
The T775 electronic stand-alone controllers are the next
generation of commercial and agricultural controls capable of
remote sensing of temperature and providing switched and/or
proportional outputs to various types of loads.
IMPORTANT
The T775 is an operating control, not a limit or safety
control. If used in applications requiring safety or limit
controls, a separate safety or limit control device is
required.

FEATURES
• Easy-To-Use Graphical Interface Operating the new
T775 is easy and the intuitive programming will save you
time on every job. Each model includes a keypad lockout.
• NEMA 4X Enclosure Option Certain models are offered
with NEMA 4X enclosures to protect them from water and
corrosion for installations like washdown areas, animal
confinement areas, swimming pools and other similar
locations.

• Reset Models With Simplified Setup Reset programming is easy. Simply enter the high and low control temperatures and the corresponding high and low outdoor
temperatures. As your outside temperature gets colder, the
setpoint temperature automatically adjusts to save energy.
• Configurable Minimum Off Time If needed, setting a
minimum off time can protect equipment and reduce the
need for a separate time delay device.
• Sensor Calibration Calibrate input sensors up to +/-10° F
(+/-6° C) for temperature and up to +/-10% of range for
other sensors (e.g. pressure, humidity) to compensate for
resistance drops in longer sensor wire runs.
• Special Models Five T775 models are available for
special applications:
— Universal Models (T775U2006 and T775U2016) to
control pressure, humidity, or any medium with an
analog input
— Special Boiler Model (T775P) for boiler control
— Special Staged Sequencing Model (T775L) for
sequence staging of relays with one or two setpoints
— Special Expansion Model (T775S) for staging up to
12 relays with two setpoints

E4436
63-1318-04

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS

SPECIFICATIONS

COMPATIBLE COMPONENTS

Power: 24, 120, or 240 Vac; 50/60 Hz
A separate earth ground is required for any power source.

Temperature Sensorsa
The controller accepts 1,097 Ohms PTC at 77°F (25°C):
• 50021579-001 – Standard sensor (included with all models
except NEMA 4X models)
• T775-SENS-STRAP – Strap on sensor with wiring box
• T775-SENS-WR – Water resistant with 5 foot leads
(included with NEMA 4X models)
• T775-SENS-WT – Watertight with 6 foot lead
• T775-SENS-OAT – Outdoor air temperature sensor
• C7031D2003 – 5 inch immersion sensor with wiring box
(use immersion well; P/N 50001774-001)
• C7031J2009 – 12 foot duct averaging sensor with wiring
box
• C7046D1008 – 8 inch duct probe with mounting flange
• C7100D1001 – 12 inch fast response, duct averaging
sensor with flange
• C7130B1009 – Room mount sensor

Power Consumption:
• 8 VA maximum at 60 Hz
• 10 VA maximum at 50 Hz
Operating & Storage Temperature Ambient Rating:
• -40°F to 125°F (-40°C to 52°C) @ 50 Hz
• -40°F to 140°F (-40°C to 60°C) @ 60 Hz
Relative Humidity: 5% to 95% non-condensing
Dimensions: refer to Fig. 1 on page 4.
All T775 controllers are field-mountable in any orientation
to either a panel or wall.
Digital Input (DI): 18 Vdc and 3.5 mA (for choosing external
contact)
Digital Output (DO) Alarm (T775P only):
• Alternating Current (AC):
— 30 Vac RMS; 1.5 A steady 3 A inrush P.F. 0.45 NC
— 20 Vac RMS; 100 mA minimum load on NO and NC
contacts
• Direct Current (DC): 1 mA at 100 mV DC minimum load

Humidity Sensors (T775U only)

NOTE: In applications requiring a gold contact signal
relay, an external signal relay or additional load
resistor may be needed for the digital output.

Differential Pressure Sensors (T775U only)

Relay Contact Output Ratings (N.O. and N.C.):
• 1/2 hp; 9.8 AFL, 58.8 ALR @ 120 Vac
• 1/2 hp; 4.9 AFL, 29.4 ALR @ 240 Vac
• 125 VA pilot duty @ 120/240 Vac
• 10A @ 24 Vac (resistive)

The controller accepts pressure sensors with a signal output
of 0-10 Vdc or 4-20 mA for any output range within the
following ranges (the minimum and maximum for the sensor
output range can be adjusted within the following limits):
• -500 to 500 PSI
• -30.0 to 30.0 inches w.c.
• -3,000 to 3,000 Pa
• -3,000 to 3,000 kPa

The controller accepts 0-10 Vdc or 4-20 mA input with a range
of 0-100%
H7625, H7635, and H7655 models (available in 2, 3, and
5% RH accuracy) can be used.
P7640A and PWT pressure transducer models with selectable
pressure ranges can be used.

Modulating Outputs:
• 0-10 Vdc; drive a minimum of 2,000 Ohms
• 2-10 Vdc; drive a minimum of 2,000 Ohms
• 4-20 mA; drive a maximum of 600 Ohms
• Electronic Series 90; requires 340 Ohm resistor (included)
across terminals R and W
• Floating

Universal Sensors (T775U only)
The controller accepts 0-5 Vdc, 0-10 Vdc or 4-20 mA input for
temperature, pressure, humidity, etc. They may be
programmed in units of °F, °C, %, Pa, kPa, PSI, Inches W.C.,
PPM, or None (no units). CO2 sensors (C7232 and C7632)
are also compatible.

Sensed Temperature Limits (displayed):
• Minimum -60°F (-51°C)
• Maximum 270°F (132°C)

Actuators
For more information on compatible actuators or other
Honeywell products, such as dampers and valves, go to
www.customer.honeywell.com. From the home page select
Product Selection Tool under Products.
• Spring return models: ML6425, ML7425, MS4105,
MS4110, MS4120, MS7505, MS7510, MS7520, MS8105,
MS8110, MS8120
• Non-spring return models: ML6161, ML6174, ML7161,
ML7174, MN6105, MN6110, MN7505, MN7510

High Setpoint Limit: An irreversible high limit setpoint can be
configured to meet local code requirements.
Sensed Temperature Accuracy:
• T775: 1°F/C @ ambient room temperature of 77°F (25°C)
• 50021579-001 and T775-SENS-WR: ±0.42°F from -22°F
to 248°F (+/-.24°C from -30°C to 120°C)
Setpoint Range: -40°F to 248°F (-40°C to 120°C)
Time Clock: Two settable time periods per day are standard
on all models.

Accessories
• 107324A – Bulb Holder, duct insertion
• 107408 – Heat Conductive Compound, 4 ounce
• 50001774-001 – Immersion Well, stainless steel 304,
1/2 in. threading

Volatile Memory: The date and time settings are retained for
24 hours after a power outage. After a power loss of more
than 24 hours, the date and time settings may need to be
reentered. All other settings are stored permanently.
Approvals: UL 60730-1 for US and Canada, CuL, C-tick

63-1318—04

a

2

See form 62-0265 – Temperature Sensors for the T775
Series 2000 Stand-alone Controller

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS

Table 1. T775 Controller Configurations.
Controller
Model a

Description

Replaces

Analog
(Mod)
Floating
Outputsb DOc Outputsd

SPDT
Output Relay
Reset Outputs

Sensor
Inputs

Nbr of Staged
Sensors Loop Addable
Included Control T775S

Enclosure

T775 A/B/M/R Controller Configurations
T775A2009

Standard

T775A1001

No

1

None

N/A

None

1

1

N/A

N/A

NEMA 1

T775B2016

Standard

N/A

No

2

None

N/A

1

2

1

N/A

N/A

NEMA 4X

T775B2024

Standard

T775C1009 T775D1008

No

4

None

N/A

2

2

1

N/A

N/A

NEMA 4X

T775B2032

Standard

T775A1019 T775B1000

No

2

None

N/A

1

2

1

N/A

N/A

NEMA 1

T775B2040

Standard

T775A1027 T775A1035
T775B1018 T775B1026
T775B1042

No

4

None

N/A

2

2

1

N/A

N/A

NEMA 1

2

T775M2006 Modulating

N/A

No

None

2

N/A

None

1

N/A

N/A

NEMA 1

T775M2014 Modulating

T775G1005 T775G1013
T775G1021 T775G1039

No

4

2

N/A

None

2

e

1

N/A

N/A

NEMA 4X

T775M2022 Modulating

N/A

No

2

2

N/A

None

2e

1

N/A

N/A

NEMA 4X

T775M2030 Modulating

T775E1114 T775F1022
T775F1055 T775F1089

No

4

2

N/A

None

2

e

1

N/A

N/A

NEMA 1

T775M2048 Modulating

T775E1015 T775E1023
T775E1056 T775E1064
T775E1098

No

2

2

N/A

None

2e

1

N/A

N/A

NEMA 1
NEMA 1

T775R2001

Reset Option

N/A

Yes

4

None

N/A

2

2

2

N/A

N/A

T775R2019

Reset Option

N/A

Yes

4

2

N/A

None

2

2

N/A

N/A

NEMA 1

T775R2027

Reset Option

T775J1043 T775J1050
T775J1068

Yes

2

2

N/A

None

2

2

N/A

N/A

NEMA 1

T775R2035

Reset Option

T775J1001 T775J1076

Yes

2

None

N/A

1

2

2

N/A

N/A

NEMA 1

T775R2043

Reset Option

T775J1019 T775J1027
T775J1035

Yes

None

2

N/A

None

2

N/A

N/A

NEMA 1

T775L2007 f

Stage Sequencer
with Reset

N/A

Yes

4g

None

N/A

None

2

1

Yes

Yes

NEMA 1

T775P2003

Boiler Model with
Reset h

N/A

Yes

4

None

1

None

3

3

Yes

Yes

NEMA 1

T775U2006

H775A1006 H775A1022
Universal
H775A1048 H775A1063
Humidity,
H775B1005 H775C1004
Pressure,
H775D1003 H775E1002
Temperature, etc.
N/A

Yes

2

2

N/A

None

2i

None

N/A

N/A

NEMA 1

Yes

2

2

N/A

None

2j

None

N/A

N/A

NEMA 1

N/A

4

N/A

N/A

N/A

N/A

N/A

N/A

N/A

NEMA 1

2

e

T775 L/P/U/S Special Application Controller Configurations

T775U2016
T775S2008
a
b
c
d
e
f

g
h
i
j
k

4-Relay Expansion Module k

N/A

All models include a digital input for use with the disable or setback option.
The modulating (analog) outputs are 4-20 mA, 0-10 Vdc, 2-10 Vdc, or Series 90 selectable.
Digital Output alarm (low voltage) available only on the T775P model. The Digital Output alarm can be configured based on minimum, maximum, or differential temperature.
Each floating output eliminates two SPDT relays.
For the models noted above, Sensor B can support a high/low modulating limit for temperature control at Sensor A.
The T775L model can be used to stage multiple relays from two independent heat or cool setpoints. The number of stages for each setpoint can be freely chosen, limited by
the number of relays available (up to 12 using two T775S expansion modules). For example, programming could be (3 heat - 4 cool),
(5 heat - 1 cool), etc. In addition to the two staged loops, an additional two relays can be available for independent on-off control.
For the T775L model, the maximum number of non-sequenced relays is two (2) with each having its own setpoint and its own throttling range. These relays are available if they
are not being used by the staged relay loops.
The T775P model provides an optional Pump Output using the last SPDT relay output (4th, 8th, or 12th depending on configuration). Stages can be configured for either
standard, first-on first-off, or equal run time.
For the T775U2006 sensor inputs, Sensor A can be 0-5 Vdc, 0-10 Vdc, 4-20 mA, or a standard temperature input. Sensor B is a standard temperature sensor input only.
Sensor B is used only for reset on the T775U2006.
The T775U2016 can control Sensor A (universal) and Sensor B (temperature) independently, like other standard T775 controllers.
Up to two T775S expansion modules can be used with the T775L and T775P models to provide a total of 8 or 12 stages.

3

63-1318—04

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS

TOP
1 (25.5)
7/8 (22.5)
2 15/16 (74)

4 13/32 (112.1)

1/2 (12.4)

3 31/32 (101)

LEFT

RIGHT

4 1/16 (103.4)
1/64 (3.8)
8 5/32
(207.1)
7 23/32
(196)

4 1/16 (103.4)

2 13/16 (71.8)

2 11/16 (68.1)

FRONT VIEW

7/8 (22.5)

7/8 (22.5)

7/8 (22.5)
1 (25.5)
BOTTOM

Fig. 1. T775 Dimensions in inches (mm).

Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
customer.honeywell.com

® U.S. Registered Trademark
© 2014 Honeywell International Inc.
63-1318—04 M.S. Rev. 04-14
Printed in United States

M24378



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