Telkonet SS6600 Energy Management Controller User Manual EcoSmart VRF IOM Rev 2 3x

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EcoSmart VRF Controller
Firmware Version 2.x
Installation, Operation & Maintenance Guide
Use this guide along with the EcoAir or EcoTouch+ IOM as applicable.
EcoSmart VRF Controller: Part of the EcoWave Remote Thermostat/Controller Package ............................ 5
EcoSmart VRF Controller Required Equipment ............................................................................... 9
EcoSmart VRF Controller Installation .......................................................................................... 9
ZigBee Wireless................................................................................................................... 14
Regular Maintenance ............................................................................................................ 14
Troubleshooting .................................................................................................................. 16
Appendix A-Anatomy of EcoSource VRF Conroller .......................................................................... 18
Appendix B-Additional Installation Options .................................................................................. 19
NTC Probe ...................................................................................................................... 19
Analog Outputs ................................................................................................................ 19
Proportional Valve Control................................................................................................... 19
CAUTION!



Failure to understand and follow all instructions carefully before installing or operating this
device could cause personal injury and/or property damage.
All wiring must conform to local and national electrical ordinances and codes.
Prevent electrical shock, personal injury, and equipment damage: prior to installation or
service, disconnect system’s electric power at main fuse or circuit breaker box.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
Revision 2.3
Page 2
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
The EcoSmart Energy Management
System
any interference received, including interference that
may cause undesired operation.
The EcoSmart Energy Management System reduces HVAC
energy consumption without interfering with occupant
comfort.
EcoSmart thermostats such as the EcoAir/EcoTouch
automatically learn and adapt to the heating and cooling
patterns of each room. For example, a room on the east
side of a building will receive direct sunlight in the
morning and will either need less HVAC heating or more
HVAC cooling. However, as the day progresses, the room
will need more HVAC heating or less HVAC cooling as it
moves into the shade. An EcoSmart thermostat will
continually monitor the room, learn its patterns, and
adjust its heating and cooling profiles accordingly.
EcoSmart thermostats also learn and adapt to occupant
schedules. When a room is unoccupied, the
EcoAir/EcoTouch will enter an energy saving mode,
allowing the room to drift away from the desired set
point. During this drift period, the thermostat will
operate the HVAC unit less often, reducing energy costs.
When the room becomes occupied again, the
RecoveryTime™ technology built into each
EcoAir/EcoTouch will return the room to the set point
without occupant interaction.
The EcoWave is available in several configurations to
address specific requirements of multiple applications
including hotel, classroom, office, university dormitory,
military residence hall, retail, public area, convention
center, and a wide variety of commercial and industrial
spaces.
The firmware of standalone EcoWave thermostats is
identical to the firmware of networked versions.
Standalone Thermostats can be networked by adding a
network module to the base units at any time.
Programming features used during installation,
maintenance, and troubleshooting are available in the
on-screen Maintenance Menu.
Regulatory Compliance & FCC Notice
Warning: Any changes or modifications made to this
product not expressly authorized by the manufacturer
could void the user’s right to operate this device.
The device complies with part 15 of the FCC Rules as
well as Industry Canada Rules and Regulations licenseexempt RSS standard(s). Operation is subject to the
following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept
Le présent appareil est conforme aux CNR d'Industrie
Canada applicables aux appareils radio exempts de
licence. L'exploitation est autorisée aux deux conditions
suivantes : (1) l'appareil ne doit pas produire de
brouillage, et (2) l'utilisateur de l'appareil doit accepter
tout brouillage radioélectrique subi, même si le
brouillage est susceptible d'en compromettre le
fonctionnement.
A separation distance of at least 20 centimeters should
be maintained between the transmitter's radiating
structure(s) and the body of the user or nearby persons.
Afin de se conformer aux exigences d'exposition RF MIC /
FCC / ISED, cet appareil doit être installé pour fournir au
moins 20 cm de séparation du corps humain en tout
temps.
FCC ID: XV6SS6600
EcoWave Remote Thermostat/Controller
Package
The EcoWave Remote Thermostat/Controller Package is
comprised of two hardware components: the wireless
EcoAir/EcoTouch battery powered display unit and the
EcoSource+ HVAC controller. The EcoSource+ is placed in
the HVAC unit for physical control of the system. The
EcoAir/EcoTouch display can be placed in the optimum
location for both temperature measurement and ease of
occupant use. There are no restrictions based on where
existing thermostat wire has been run or if there are
enough conductors.
The EcoWave Package can be configured for many
different HVAC scenarios. It can control multiple HVAC
systems, each equipped with an EcoSource+, but all
directed by a single EcoAir/EcoTouch display unit. This
type of installation reduces the complexity of running
multiple HVAC units in a single large space and
eliminating the potential of opposing modes forcing
equipment to compete against each other.
The EcoSource+ can accept associations with up to 15
total EcoSmart and other compatible wireless devices,
such as multiple occupancy sensors and door switches.
Each compatible wireless device may be associated to
more than one EcoSource+.
The EcoWave adds functionality, increased usability,
extra efficiency, and component cost savings to
conference rooms or large room suites. Multiple
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
Revision 2.3
Page 3
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
EcoAir/EcoTouch thermostats in different areas of a
building give each individual area the ability to make
setpoint changes to control a single EcoSource+.
Together, the EcoWave package forms a wireless
programmable controllable thermostat with over 125
configurable settings used to control the efficiency of
HVAC systems. It can be easily installed on packaged
terminal air conditioners, fan coils, heat pumps, split
systems, and more. With software-based relay control
and fan speed configuration, programming setup is
simple and fast.
Wiring follows industry-standard conventions whenever
possible. Telkonet can develop specific wiring diagrams,
if a complete specification is provided for the HVAC
unit(s) in use at the site. The pin allocations of the
EcoSource+ are below. The wiring interface conforms to
industry standards.
Functional Caveats
Telkonet ships equipment to customers pre-programmed
based on a pre-deployment analysis and discussion with
property management. Generally, command-level
programming at the field level will not be needed. When
a command change is needed, Telkonet will provide a
detailed synopsis of the proposed changes. Arbitrarily
changing command values without prior discussion with
Telkonet Applications Engineering can result in
suboptimal thermostat performance and a loss of energy
savings. All of these can possibly impact the user
interface. For this reason, such arbitrary changes do not
represent a Recommended Best Practice, and any
corrective actions taken by Telkonet (including
consultation) are subject to Professional Services charges
at prevailing rate.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
Revision 2.3
Page 4
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
EcoSmart VRF Controller: Part of the EcoWave Remote
Thermostat/Controller Package
EcoSmart VRF Controller: Part of the EcoWave Remote Thermostat/Controller Package
The EcoWave package is comprised of two hardware components as shown below. Together they form a
wireless programmable controllable thermostat. With software-based relay control and fan speed
configuration, programming setup is simple and fast.


Display unit
Place in optimum location for occupancy detection,
temperature measurement and ease of occupant use




HVAC Controller
Install in or on HVAC unit
Accepts association with 15 total compatible wireless devices
Each compatible wireless device can be associated to
multiple EcoSmart VRF Controllers
EcoTouch+ (or EcoAir)
EcoSmart VRF Controller
Accomodates a Variety of Configurations
The EcoWave Package can be configured for many different HVAC scenarios. For example:
One EcoTouch+ (or EcoAir) can
control multiple HVAC systems,
each equipped with an EcoSource
VRF, but all directed by a single
EcoTouch+ (or EcoAir) display
unit. This type of installation
reduces the complexity of running
multiple HVAC units in a single
large space and eliminating the
potential of opposing modes
forcing equipment to compete
against each other.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
EcoSmart VRF Controller: Part of the EcoWave
Remote Thermostat/Controller Package
Revision 2.3
Page 5
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
EcoSmart VRF Controller: Part of the EcoWave Remote
Thermostat/Controller Package
Multiple EcoTouch+ (or EcoAirs) can
control one HVAC system, equipped with
one EcoSource VRF.
The wiring interface conforms to industry standards. Telkonet can develop specific wiring diagrams, if a
complete specification is provided for the HVAC unit(s) in use at the site.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
EcoSmart VRF Controller: Part of the EcoWave
Remote Thermostat/Controller Package
Revision 2.3
Page 6
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
EcoSmart VRF Controller: Part of the EcoWave Remote
Thermostat/Controller Package
Figure 1- EcoAir/Controller/HVAC Wiring Diagram
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
EcoSmart VRF Controller: Part of the EcoWave
Remote Thermostat/Controller Package
Revision 2.3
Page 7
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
EcoSmart VRF Controller: Part of the EcoWave Remote
Thermostat/Controller Package
Figure 2- EcoTouch+/Controller/HVAC Wiring
Diagram
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
EcoSmart VRF Controller: Part of the EcoWave
Remote Thermostat/Controller Package
Revision 2.3
Page 8
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
EcoSmart VRF Controller Required Equipment
Caution
Power to the indoor unit should be removed before connecting the EcoSmart
VRF Controller.
Communication
The EcoAir and EcoTouch+ communicate with the EcoSmart VRF Controller
via a 2.4GHz wireless interface.
Join & Pair
Set up the EcoAir & EcoSmart VRF Controller to talk to each other by
“pairing” them. If EcoSmart products will be networked, they must first
“join” the network (see steps below). Joining the network is optional but
pairing the EcoSmart VRF Controller and the EcoTouch+/EcoAir is required.
Battery Power
If the EcoAir or EcoTouch+ is battery powered, no hard wired power
connection to the EcoSmart VRF Controller is required.
Indoor Unit
Configuration
The EcoSmart VRF Controller does not have capability to configure the
indoor unit. Configuring the indoor unit must be done using a separate
device.
Temp Sensor
Selection
The indoor unit "Temperature sensor selection" value should be configured
to "1: Wired remote control". This configures the indoor unit to use the
temperature sensor in the EcoAir/EcoTouch+.
EcoSmart VRF Controller Required Equipment





EcoSmart VRF Controller (P/N: SS6600)
EcoAir (P/N: SS6550) or EcoTouch+
(P/N SS6560)
Wire stripper
Wire cutter
Wire nuts


Multi-screwdriver or Philips screwdriver
Screw options as applicable based on
mounting surface:
o 2 Drywall screws 1¼”
o 2 Metal screws ½ - ¾”
o 2 Tapcon screws 1¼”
EcoSmart VRF Controller Installation
The EcoSmart VRF Controller connects to the HVAC system via standard wiring conventions, using 12VDC or
24VAC supplied by the HVAC equipment.
The EcoSmart VRF Controller accepts Molex wiring, typically 18-22 AWG (the Molex is specific to the project).
Wiring conventions follow industry standards.
There are 2 options-select based on code and desired look: wall mount or side of VRF unit.
Always ensure power has been turned off before starting installation.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
EcoSmart VRF Controller Required Equipment
Revision 2.3
Page 9
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
EcoSmart VRF Controller Installation
1. Mount EcoSmart VRF Controller next to indoor unit so harness connects directly to indoor unit
terminals (see Figure 7 & Figure 8).
Figure 3
Figure 4
2. Turn off power at EcoSmart VRF Controller mounting location using a disconnect switch or breaker
lockout/tag out on appropriate breaker panel.
3. Test that power is off by using a voltmeter.
4. Using the end tabs, screw the EcoSmart VRF Controller to the wall or HVAC.
5. Wire the EcoSmart VRF Controller to the HVAC and to the EcoAir/EcoTouch+, referring to
 Figure 1- EcoAir/Controller/HVAC Wiring Diagram,

Figure 2- EcoTouch+/Controller/HVAC Wiring Diagram,
 Figure 5-J4 Molex Properly Seated and
 Table 1-Wiring (see Figure 6).
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
EcoSmart VRF Controller Installation
Revision 2.3
Page 10
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
EcoSmart VRF Controller Installation
Figure 5-J4 Molex Properly Seated
Figure 6
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
EcoSmart VRF Controller Installation
Revision 2.3
Page 11
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
EcoSmart VRF Controller Installation
Figure 7
Figure 8
6. Install EcoAir/EcoTouch+ per EcoAir or EcoTouch+ IOM.
7. Associate devices as outlined in the Device Association Guide.
8. Test as outlined in EcoAir/EcoTouch+ IOM.
For variable output connections, see Appendix B.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
EcoSmart VRF Controller Installation
Revision 2.3
Page 12
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
ZigBee Wireless
Table 1-Wiring
J4 Connector
PIN #
Wire 22AWG stranded
SIGNAL
COLOR
F3 12VDC PLC (Power 3 communication on the same wires)
BLUE *1 *2
F4 12VDC PLC
WHITE *1 *2
RS485_N2
ORANGE
Friedrich VRP
RS485_P2
YELLOW
Friedrich VRP
GND
GREEN *2
NC
BLUE
RS485_N1
PURPLE
RS485_P1
GREY
GND (EcoAir)
BLACK (Move J5 to inside pins)
10
3.3V (EcoAir)
RED (Move J5 to inside pins)
11
SW1_IN
BROWN (Dry contact)
12
SW2_IN
RED (Dry contact)
13
SW3_IN
ORANGE (Dry contact)
14
SW4_IN
YELLOW (Dry contact)
15
SW5_IN
GREEN (Dry contact)
16
SW6_IN
BLUE Dry contact)
17
GND
BLACK (Dry contact)
18
AOUT1 (Variable output)
GREY (VO)
19
AOUT2 (Variable output)
WHITE (VO)
20
AOUT3 (Variable output)
BLACK (VO)
21
GND (Variable output)
BROWN (VO)
22
NTC A1
RED (Temp probe)
23
GND (EcoTouch+)
BLACK
24
12V (EcoTouch+)
RED
25
VACCOM (24 VAC)
GREEN (Move J5 to outside pins)
26
VAC (24VAC)
BLUE (Remove J1 & J2)
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
ZigBee Wireless
Revision 2.3
Page 13
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
ZigBee Wireless
ZigBee Wireless
Telkonet’s suite of products—including the EcoSmart VRF Controller —rely on the ZigBee wireless
communications protocol.
Field Modifications-Functional Caveats



Telkonet ships equipment to customers pre-programmed based on a pre-deployment analysis
and discussion with Property Management. Generally, command-level programming at the
field level will not be needed.
When a command change is needed, Telkonet will provide a detailed synopsis of the proposed
changes.
Arbitrarily changing command values without prior discussion with Telkonet Applications
Engineering can result in suboptimal thermostat performance and a loss of energy savings. All
of these can possibly impact the user interface. For this reason, such arbitrary changes do not
represent a Recommended Best Practice, and any corrective actions taken by Telkonet
(including consultation) are subject to Professional Services charges at prevailing rates.
Regular Maintenance
Under normal conditions, a correctly deployed EcoSmart series will require no maintenance with the exception
of replacing the EcoAir and EcoSense batteries. The estimated battery life in an EcoAir is 2 years; in EcoSense
it is 4 years. Actual life will vary based on usage.
Procedure: Visual Inspection
1. Verify that components have not been tampered with, destroyed or stolen.
2. Verify that the components are securely mounted on their respective surfaces.
3. If applicable, verify that the AC power is being supplied to the HVAC system.
4. If units are hard-wired, verify that the power/data wiring between the EcoSmart VRF
Controller and the EcoAir are intact and connected.
5. Check for a Service icon on the EcoSmart VRF Controller display. This icon indicates loss of
association with one or more sensors.
6. If the icon appears, first check the batteries. Replace batteries if necessary.
7. If batteries are not the cause of the Service icon, re-associate all sensors per instructions in
the EcoSmart Firmware 2.x Device Association Guide.
Procedure: Functional Inspection
1. Observe whether the HVAC system is operating (e.g. drive cycle) after entering the room.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
ZigBee Wireless
Revision 2.3
Page 14
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
Regular Maintenance
In most cases, entering the room will have initiated an HVAC drive cycle after the Sensor detected
occupancy. Possible exceptions:
-If the temperature in the room is within hysteresis of the HVAC setpoint, a drive cycle may not
commence;
-A delay may have been programmed into the EcoSmart VRF Controller thermostat, instructing the
unit to wait for a particular duration before triggering a drive. (Although uncommon, this feature is
sometimes requested by a property. In almost all cases, the delay is less than 3 minutes.)
2. If a drive cycle does not initiate within 5 minutes of entry, force a drive cycle by temporarily
setting the thermostat to some arbitrary high or low temperature (ensure the HVAC mode is
set correctly).
EcoSmart VRF Controller thermostats default to Occupied status if communication with the
Sensor(s) is lost for any reason. This permits the units to continue allowing the occupant to control
the room temperature. However, in this state energy savings will be lost. If in doubt whether the
sensors are associated, re-associate all Sensors per the EcoSmart Firmware 2.x Device Association
Guide.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
Regular Maintenance
Revision 2.3
Page 15
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
Troubleshooting
Troubleshooting
If the EcoSmart VRF Controller loses association to any one of its sensors, either the on-board PIR sensor
or the external EcoSense or EcoContact, the thermostat will immediately revert to Occupied mode. This
is done to ensure that sensor association loss does not affect the comfort of the room occupant. Any
setpoint limits (e.g. max/min allowed temperatures) that have been assigned to the thermostat remain
in force.
For more troubleshooting tips, see EcoAir IOM
Problem
Potential Cause
Potential Solution
Main electrical failure to the unit. Many
units operate on 230 or 277VAC circuits,
so although power is available to the
110VAC plugs in the room, the branch
circuit supplying HVAC power may be
interrupted.
Dispatch maintenance. Verify mains
continuity to the unit.
GFI within the HVAC has tripped. Some
models of HVAC systems (often
PTAC/PTHP units) contain integral GFI
(Ground-Fault Interrupt) systems.
Occasionally, often after a power
outage, inrush current when power
returns can cause GFIs to trip. Most
times, this does not indicate issues with
the unit.
Check and reset units’ GFI systems.
HVAC unit does not operate.
Remove the cover’s 4 corner screws,
and verify the J4 Molex connector is
seated properly and facing the right
direction (See Figure 5 and Table 1Wiring).
EcoSmart VRF Controller has failed.
Replace the EcoSmart VRF Controller
with a known-good unit as a
comparison-check.
If the replacement unit functions
properly, contact Telkonet and begin
the RMA process.
If the replacement unit does not
function properly, consult a local HVAC
technician to inspect your HVAC unit.
Door contact is not connected.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
Troubleshooting
Revision 2.3
Page 16
Ensure that all door contacts are
connected.
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
Troubleshooting
Window or outside door is open.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
Troubleshooting
Revision 2.3
Page 17
Ensure that no monitored windows or
patio doors are open.
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
Appendix A-Anatomy of EcoSource VRF Conroller
Appendix A-Anatomy of EcoSource VRF Conroller
J1 Used for power options
J6
EcoSmart data jack-RS232
J2 Used for power options
J7
VO output #3
J3 IR LED driver
J8
JTag
J4 Wiring Molex harness for HVAC connection
J9
VO output #2
J5 Used for power options
J10 VO output #1
*J3: The IR LED driver is used to transmit IR signals to IR receivers (such as IR remote controlled HVAC like
most mini-splits)
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
Appendix A-Anatomy of EcoSource VRF Conroller
Revision 2.3
Page 18
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
Appendix B-Additional Installation Options
Appendix B-Additional Installation Options
NTC Probe
Temp probes can be used for multiple purposes:
1)
2)
3)
4)
HVAC Discharge Air temp
HVAC Return Air temp
Supply Water Temp
AquaStat Mode (switches thermostat’s Heat/Cool)
If not using Telkonet provided external temperature probe, use a probe with a Beta R0 must match. Alternatively, a
probe can be provided to Telkonet for lab calibration.
US Sensor model USP10972 or equivalent, per the following:



Resistance at 25 degrees C = 10 000 ohms +/- 1%
Resistance/Temperature curve = "J"
Beta ( 0 to 50 degrees C ) = 3892 degrees K nominal
Other models may be compatible; provide model number and specifications.
Analog Outputs
There are three analog outputs that can be used to control multiple functions. The desired function must be specified at
the time of programming. Each of the analog outputs must be configured in one of the following two ways:
1)
2)
Fan Coils Variable Valve Control 0-10 or 4-20mA (both Heat & Cool)
ECM Fan motor variable control between speeds. (0-10VDC)
Proportional Valve Control
Number of outputs
3 outputs
Connections
Output 1: J4-18
Output 2: J4-19
Output 3: J4-20
Common: J4-21
Selecting 0-10V or 0-20mA
Jumper installed across pins 1-2 for 0-20mA
Jumper installed across pins 2-3 for 0-10V
Jumper locations are:
Output 1: J10
Output 2: J9
Output 3: J7
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
Appendix B-Additional Installation Options
Revision 2.3
Page 19
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com
Appendix B-Additional Installation Options
If no jumpers installed, then there is no output.
Cooling Valve, Heating Valve, Motor
Each of the 3 outputs can be configured for any of these modes (cooling valve, heating valve, motor). Currently,
firmware is built specifically for each application.
EcoSmart VRF Controller
I, O & M Guide
For Use with Firmware Version 2.x
Appendix B-Additional Installation Options
Revision 2.3
Page 20
Telkonet, Inc.
20800 Swenson Drive, Suite 175
Waukesha, WI 53186
(800) 380-9640
www.telkonet.com

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