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Remove the wallplate from the thermostat by pulling from the bottom, then follow directions below for mounting.
Read before installing
Keep wires in this shaded area
Remove factory installed jumper only for two-transformer systems.
Insert batteries for primary or backup power
Connect C for primary AC power (optional if batteries are installed).
TH3110D
C 24 Vac common. For 2 transformer systems, use common wire from cooling transformer.
B Changeover valve energized in heating
R 24 Vac power from heating transformer
Rc 24 Vac power from cooling transformer
O Changeover valve energized in cooling
G Fan relay
Y Compressor contactor
W Heat relay
TH3210D
C 24 Vac common
B Changeover valve energized in heating R 24 Vac power
L Sends output when set to Em. Heat
O Changeover valve energized in cooling
G Fan relay
Y Compressor contactor
Aux Auxiliary heat relay
E Emergency heat relay
2H/1C Heat Pump System TH3210D
C | 24 Vac common [3] |
B | Changeover valve energized in heating [5] |
R | Power [1] |
L | Sends output when set to Em. Heat [8] |
O | Changeover valve energized in cooling [5] |
G | Fan relay |
Y | Compressor contactor |
Aux | Auxiliary heat relay [9] |
E | Emergency heat relay [9] |
1H/1C System TH3110D (1 transformer)
C 24 Vac common [3]
R [R+Rc joined by jumper]
Rc Power [1]
G Fan relay
Y Compressor contactor
W Heat relay
1H/1C System TH3110D (2 transformers)
C 24 Vac common [3, 4]
R Power (heating transformer) [1, 2]
Rc Power (cooling transformer) [1, 2]
G Fan relay
Y Compressor contactor
W Heat relay
1H/1C Heat Pump System TH3110D [7]
C 24 Vac common [3]
B Changeover valve energized in heating [5]
R [R+Rc joined by jumper]
Rc Power [1]
O Changeover valve energized in cooling [5]
G Fan relay
Y Compressor contactor [6]
W [W+Y joined by jumper]
Heat Only System TH3110D
C 24 Vac common [3]
R [R+Rc joined by jumper]
Rc Power [1]
W Heat relay
Heat Only System with Fan TH3110D
C 24 Vac common [3]
R [R+Rc joined by jumper]
Rc Power [1]
G Fan relay
W Heat relay
Cool Only System TH3110D
C 24 Vac common [3]
R [R+Rc joined by jumper]
Rc Power [1]
G Fan relay
Wire specifications:
Use 18- to 22-gauge thermostat wire. Shielded cable is not required.
Gas or Oil: For gas or oil heating systems, leave the fan operation switch in this factory-set position. (This setting is for systems that control the fan in a call for heat.) Electric or Heat Pump: Change the switch to this setting for heat pump or electric heat systems. (This setting is for systems that allow the thermostat to control the fan in a call for heat, if a fan wire is connected to the G terminal.)
Follow the procedure below to configure the thermostat to match the installed heating/cooling system, and customize feature operation as desired.
To begin, press and hold the and buttons until the display changes.
Setup function | Settings & options (factory settings in bold) | ||
1 System type TH3110D only | 0 1 | Gas, oil or electric heat with air conditioning Heat pump (5 minute compressor off time in heating and cooling) | |
5 Heating cycle rate (CPH: cycles/hour) TH3110D only | 5 1 3 9 | For gas or oil furnaces of less than 90% efficiency For steam or gravity systems For hot water systems & furnaces of over 90% efficiency For electric furnaces [Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH] | |
6 Auxiliary heat cycle rate (CPH) TH3210D only | 5 1 3 9 | For gas or oil furnaces of less than 90% efficiency For steam or gravity systems For hot water systems & furnaces of over 90% efficiency For electric furnaces [Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH] | |
8 Emergency heat cycle rate (CPH) TH3210D only | 9 1 3 5 | For electric emergency heat For steam or gravity systems For hot water systems & furnaces of over 90% efficiency For gas or oil furnaces of less than 90% efficiency [Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH] | |
9 Compressor cycle rate (CPH) | 3 | Recommended for most compressors [Other cycle rate options: 1, 2, 4, 5, or 6 CPH] | |
14 Temperature display | 0 1 | Fahrenheit Celsius | |
15 Compressor protection | 5 | Five-minute compressor off time [Other options: 0, 1, 2, 3 or 4-minute off time] |
Compressor Protection (Setup Function 15): Forces the compressor to wait a few minutes before restarting, to prevent damage. During the wait time, the message Cool On or Heat On (heat pumps only) will flash on the display.
System test | System status | |
10 Heating system | 0 | Heat and fan turn off. |
1 | Heat turns on. | |
2 | Auxiliary heat turns on (TH3210D only). | |
20 Emergency heat | 0 1 2 | Heat and fan turn on. (TH3210D only) Heat and fan turn off.(TH3210D only) Auxiliary heat turns on. (TH3210D only) |
30 Cooling system | 2 0 | Compressor and fan turn off. Compressor and fan turn on. |
70 Thermostat information (for reference only) | 71 72 73 74 75 76 | Software revision number (major revisions) Software revision number (minor revisions) Configuration identification code (major) Configuration identification code (minor) Production configuration date code (week) Production configuration date code (year) |
If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily.
Display is blank |
|
Heating or cooling system does not respond |
|
Temperature settings do not change | Make sure heating and cooling temperatures are set to acceptable ranges:
|
"Cool On" or "Heat On" is flashing |
|
"Heat On" is not displayed |
|
"Cool On" is not displayed |
|
Temperature Ranges
Heat: 40° to 90°F (4.5° to 32°C)
Cool: 50° to 99°F (10° to 37°C)
Operating Ambient Temperature
32° to 120°F (0° to 48.9°C)
Shipping Temperature
-20° to 120°F (-28.9° to 48.9°C)
Operating Relative Humidity
5% to 90% (non-condensing)
Physical Dimensions
3-13/16" H x 5-3/8" W x 1-1/4" D
97 mm H x 137 mm W x 32 mm D
Input: 24 V~ @ 60 Hz, 1.0 A
Electrical Ratings
Heat (1st stage) 20-30 Vac 0.02-1.0 A
(Powerpile) 750 mV DC 100 mA DC
Emergency heat 20-30 Vac 0.02-1.0 A
Auxiliary heat 20-30 Vac 0.02-1.0 A
Cooling 20-30 Vac 0.02-1.0 A
For assistance with this product, please visit customer.resideo.com.
Or call Customer Care toll-free at 1-800-468-1502.
EQUIPMENT DAMAGE HAZARD
Compressor protection is bypassed during testing. To prevent equipment damage, avoid cycling the compressor quickly.
ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before beginning installation.
MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not place the old control in the trash. Contact your local waste management authority for instructions regarding recycling and proper disposal.
ELECTRONIC WASTE NOTICE
The product should not be disposed of with other household waste. Check for the nearest authorized collection centers or authorized recyclers. The correct disposal of end-of-life equipment will help prevent potential negative consequences for the environment and human health.
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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