Carrier Comfort TC-WHS01-BLK User manual

TC-WHS01- BLK
Comfort™ Series Wi-FirThermostat
Installation Instructions
NOTE: Read the entire instruction manual before starting the installation.

TABLE OF CONTENTS
PAGE
INTRODUCTION 1..............................................
GETTING STARTED 2...........................................
Safety Considerations 2...........................................
Before You Begin 3..............................................
HVAC System Compatibility Information 4...........................
Specifications 5.................................................
Wiring Requirements 6...........................................
INSTALLATION 7...............................................
Step 1. Power Off HVAC Equipment 7...............................
Step 2. Remove Existing Thermostat 7...............................
Step 3. Install the Thermostat 8.....................................
Step 4. Connect the Wiring 9.......................................
Step 5. Power On the HVAC Equipment 19...........................
NAVIGATING THE MENUS 20....................................
CONFIGURING THE THERMOSTAT 22............................
Equipment 22..................................................
Thresholds 24..................................................
Test Equipment 27..............................................
Reset HVAC Equipment Settings 28.................................
Performing a Hardware Reset 28...................................
Rebooting the thermostat 28.......................................
Configuring Reminders and Alerts 29................................
Alerts 30......................................................
List of Alerts 31................................................
Approvals 32...................................................
FCC Compliance Statement 32.....................................

1
INTRODUCTION
Welcome and from all of us at Carrier, thank you for purchasing your
new Carrier Wi- Fithermostat. This thermostat is designed to be simple
to install but it’s best to review all of the instructions in this manual
before you start to help ensure there are no surprises during installation.
If any questions arise during your installation, we’re here to help:
SVisit www.carrier.com/homecomfort for how- to videos and answers
to frequently asked questions.
STechnical support is also available by phone or email at:
d1.800.CARRIER or 1.800.227.7437
[e-mail]
- The thermostat is also supported by the world’s greatest network of
professional contractors. Find an Expert Carrier Contractor at
www.carrier.com/dealers.
Let’s get started!

2
GETTING STARTED
Safety Considerations
Improper installation, adjustment, alteration, service, maintenance, or use
can cause explosion, fire, electrical shock, or other conditions which may
cause death, personal injury or property damage.
Follow all safety codes. Wear safety glasses, protective clothing, and
work gloves. Have a fire extinguisher available. Read these instructions
thoroughly and follow all warnings and cautions included in literature
and attached to the unit. Consult local building codes and the current
edition of the National Electrical Code (NEC) NFPA 70. In Canada, refer
to the current editions of the Canadian Electrical Code CSA C22.1.
Recognize safety information. When you see this symbol on the unit
and in instructions or manuals, be alert to the potential for personal
injury. Understand the signal words DANGER,WARNING,and
CAUTION. These words are used with the safety- alert symbol.
DANGER identifies the most serious hazards, which will result in severe
personal injury or death. WARNING signifies hazards, which could
result in personal injury or death. CAUTION is used to identify unsafe
practices, which may result in minor personal injury or product and
property damage. NOTE is used to highlight suggestions which will
result in enhanced installation, reliability, or operation.

3
Before You Begin
This manual explains the procedures for installing the Carrier
ComforttSeries Wi- FiThermostat. Please read it carefully before
beginning the installation.
For information on how to operate the Comfort Series Wi- Fi Thermostat,
please see the Comfort Series Wi- Fi Thermostat Owner’s Manual.
The Comfort Series Wi- Fi Thermostat is designed to be mounted on the
your wall in a convenient location.
A13335
PERSONAL INJURY HAZARD
Disconnect electric power to the HVAC system before
installing this product. Failure to do so could result in electric
shock and/or equipment damage.
All wiring must conform to your local electrical code.
Mercury Notice: This product does not contain mercury. If
you are replacing a product that does contain mercury, contact
your local waste- management authority for disposal
instructions. Do not discard the old product in the regular
trash.
CAUTION
!

4
HVAC System Compatibility Information
The Comfort Series Wi- Fi Thermostat is designed to operate with
low- voltage heating and cooling systems. It is not designed for use with
line- voltage or millivolt heating and cooling systems.
The Comfort Series Wi- Fi Thermostat supports:
dUp to 2 heat and 2 cool stages on a conventional system.
dUp to 3 heat and 2 cool stages on a heat pump system.
The Comfort Series Wi- Fi Thermostat supports the following
equipment:
Equipment Supported?
Gas / Oil / Electric heating
(uptotwostages)
YES
Heat pump with auxiliary heat
(up to three stages)
YES
Geothermal Heat Pump YES
Dual fuel systems YES
Standard electric cooling
(uptotwostages)
YES
Boilers YES

5
Specifications
Temperature Ranges
Heat: 50to88°F (10 to 31°C) by default,
adjustable from 50 to 90°F (10 to 32°C)
Cool: 52to90°F(11to32°C) by default,
adjustable from 50 to 90°F (10 to 32°C)
Display: 40 to 100°F(5to37°C)
Sensitivity: +/- 1°F(0.5°C)
Operating 32 to 130°F(0to55°C)
Humidity Range
Display: 20 to 90% R.H.
Sensitivity: +/- 5% R.H.
Operating: 5 to 95% R.H. (non- condensing)
Dimensions
Thermostat: 5.5” W x 3.25” H x 1” D
(139.5mm W x 82.5mm H x 25mm D)
Power Consumption
24VAC (3VA maximum)

6
Wiring Requirements
The following table shows the maximum wire lengths allowed:
Thermostat to HVAC Equipment
18 AWG 20 AWG 22 AWG
128 ft (380m) 80 ft (240m) 50 ft (150m)
Terminal Description and Electrical Ratings
Terminal Description Voltage Current (Max)
N/C Unused N/A N/A
Y 1st Stage Compressor 24V AC 2A
W(O/B) 1st Stage Heating or
Reversing Valve
Changeover
24V AC 2A
GFan 24V AC 2A
CCommon 24V AC 2A
Y2 2nd Stage Compressor 24V AC 2A
W2 (AUX) 2nd Stage Heating or
1st Stage Aux Heat
24V AC 2A
NOTE: Factory jumper installed between RC and RH. Remove jumper for
2- transformer applications. See wiring diagrams for additional information.

7
INSTALLATION
There are 5 steps to install the thermostat:
Step 1 — Power Off HVAC Equipment
Step 2 — Remove Existing Thermostat
Step 3 — Install the Wi- Fi Thermostat
Step 4 — Connect the Wiring
Step 5 — Power On HVAC Equipment
Step 1. Power Off HVAC Equipment
1. Before disconnecting the existing thermostat, or installing the
Comfort Series Wi- Fi Thermostat, disconnect the power to the
heating and air conditioning equipment.
a. You can do this either at your circuit breaker box or a switch
at your indoor furnace or fan coil.
b. Most systems have one switch, but some systems will have
two switches.
2. Make sure your system is without power by using your old ther-
mostat to adjust the temperature. Your system should not turn on.
Step 2. Remove Existing Thermostat
Using your old thermostat as a guide, record wire color and
corresponding letter where it is connected on the thermostat terminal
block. Don’t worry about any non- connected wires.
Also note if there is a jumper wire or bracket between Rh, Rc, or R. If
yes, you will need to jumper these terminals on your new thermostat as
well.
Disconnect the wires to the existing thermostat and remove it from the
wall.
Tip: Take a photo of your old thermostat wiring with your smartphone
for reference later

8
Step 3. Install the Comfort Series Wi- Fi Thermostat
The ideal location for the thermostat is approximately 5 ft (1.5 m) above
floor level in the main living area.
Do not install the thermostat:
dClose to sources of heat such as incandescent lights
dNear supply heating/cooling sources
dIn direct sunlight
dOn exterior, non- insulated or poorly insulated walls
dIn the kitchen or other areas of potentially high heat and/or hu-
midity
dIn an area that could restrict air flow
To install the thermostat:
1. Gently separate the backplate from the thermostat.
2. Place the thermostat backplate on the wall. Make sure that any ex-
isting wires can be inserted through the opening on the backplate.
3. Using the backplate as a template, mark the location of the mount-
ing holes on the wall as shown below.
YN/C
W
O/B
GRCRHCY2
W2
AUX
A13338
Fig. 1 - The solid color indicates mounting holes

9
4. Move the backplate out of the way and make holes where indicat-
ed in Step 3. It is recommended to use the included fasteners to
ensure proper fitting of the front housing.
5. Use the included drywall plugs to ensure the thermostat can be
mounted securely to the wall.
6. Fasten the backplate to the wall using the screws provided.
Step 4. Connect the Wiring
You need to use low- voltage cable to connect the thermostat to the
HVAC equipment. Check the wiring diagrams on the proceeding pages
for the number of wires required.
Using the information you recorded from your old thermostat as a guide,
use a small screwdriver to loosen the screws then insert each wire into its
matching connector block hole.
a. Insert only one wire in each connector.
b. Only connect wires that were connected to your old thermo-
stat
c. If you need additional help with the wiring, refer to the termi-
nal descriptions and wiring diagrams on Page 11.
NOTE: There is a factory installed jumper between R/H and R/C. Refer
to wiring diagrams. In some cases the jumper will have to be removed.
Ensure any unused wires do not have exposed bare copper conductors.
To connect the thermostat to the equipment:
1. Connect the wires as shown in the wiring diagrams.
2. Attach the The Comfort Series Wi- Fi Thermostat to the backplate.
Ensure that the pins on the thermostat align with the terminal
block on the backplate.
Wiring Diagrams
The following diagrams show how to connect the thermostat terminals to
various HVAC equipment.

10
YN/C
W
O/B
GRCRHCY2
W2
AUX
1-stage AC
C
24V
Y
G
R
W
C
HUM
1-stage Furnace
A13339
Fig. 2 - Single Stage Heat / Cool

11
2-stage AC
Y2
R
C
Y1
Y
G
R
W
C
HUM
1-stage Furnace
YN/C
W
O/B
GRCRHCY2
W2
AUX
Y2
*
*Y2, HUM connections on furnace may not be available
*
A13340
Fig. 3 - Single Stage Heat, Dual Stage Cool

12
YN/C
W
O/B
GRCRHCY2
W2
AUX
Y1
G
W2
W1
HUM
C
R
Y2
2-stage Furnace
1-stage AC
C
24V
A13341
Fig. 4 - Dual Stage Heat, Single Stage Cool

13
YN/C
W
O/B
GRCRHCY2
W2
AUX
Y1
G
W2
W1
HUM
C
R
Y2
2-stage Furnace
2-stage AC
Y2
R
C
Y1
A13342
Fig. 5 - Dual Stage Heat, Dual Stage Cool

14
YN/C
W
O/B
GRCRHCY2
W2
AUX
O
W
Y/Y2
C
G
R
Fan Coil
1-stage Heat Pump
W2
R
Y
C
O
A13343
Fig. 6 - Single Stage Heat Pump with Auxiliary Heat

15
YN/C
W
O/B
GRCRHCY2
W2
AUX
O
W
Y1
C
G
R
Fan Coil
2-stage Heat Pump
W2
Y1
R
Y2
C
O
Y2
*
*Y2 connection on fan coil may not be available
A13344
Fig. 7 - Dual Stage Heat Pump with Auxiliary Heat

16
YN/C
W
O/B
GRCRHCY2
W2
AUX
1-stage AC
C
24V
Boiler
C
R
W
Y1
R
C
Y2
G
Fan Coil
* Remove RH/RC factory jumper
C terminal to be connected to heating
transformer common
A13345
Fig. 8 - Boiler with Fan Coil and Single Stage Cool

17
YN/C
W
O/B
GRCRHCY2
W2
AUX
1-stage AC
C
24V
2-stage Boiler
C
W2
R
W1
Y1
R
C
Y2
G
Fan Coil
* Remove RH/RC factory jumper
C terminal to be connected to heating
transformer common
A13346
Fig. 9 - Dual Stage Boiler with Fan Coil and Single Stage Cool

18
YN/C
W
O/B
GRCRHCY2
W2
AUX
2-stage AC
C
Boiler
C
W
R
Y1
RR
C
Y2
Y1
Y2
G
Fan Coil
* Remove RH/RC factory jumper
C terminal to be connected to heating
transformer common
A13347
Fig. 10 - Single Stage Boiler with Fan Coil, Dual Stage Cool