Wiring Heat Pump Systems - Honeywell T6 Pro Installation Instructions Manual
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Wiring heat pump systems
Shaded areas below apply only to TH6320U/TH6220U or as otherwise noted.
1H/1C Heat Pump System
R
Power [1]
Rc
[R+Rc joined by Slider Tab] [2]
Y
Compressor contactor
C
24VAC common [3]
O/B Changeover valve [7]
G
Fan relay
2H/1C Heat Pump System [8]
R
Power [1]
Rc
[R+Rc joined by Slider Tab] [2]
Y
Compressor contactor
C
24VAC common [3]
O/B Changeover valve [7]
G
Fan relay
Aux Auxiliary heat
E
Emergency heat relay
L
Heat pump fault input
2H/2C Heat Pump System [9]
R
Power [1]
Rc
[R+Rc joined by Slider Tab] [2]
Y
Compressor contactor (stage 1)
C
24VAC common [3]
O/B Changeover valve [7]
G
Fan relay
Y2
Compressor contactor (stage 2)
L
Heat pump fault input
NOTES
Wire specifications: Use 18- to 22-gauge thermostat wire. Shielded cable is not required.
[1]
Power supply. Provide disconnect means and overload
protection as required.
[2]
Move R-Slider Tab on UWP to the R setting. For more
information, see "Setting Slider Tabs" on page 3
[3]
Optional 24VAC common connection.
[6]
In Installer Setup, set system type to 2Heat/2Cool
Conventional.
3H/2C Heat Pump System
(TH6320U only) [10]
R
Power [1]
Rc
[R+Rc joined by Slider Tab] [2]
Y
Compressor contactor (stage 1)
C
24VAC common [3]
O/B Changeover valve [7]
G
Fan relay
Aux Auxiliary heat
E
Emergency heat relay
Y2
Compressor contactor (stage 2)
L
Heat pump fault input
Dual Fuel System
R
Power [1]
Rc
[R+Rc joined by Slider Tab] [2]
Y
Compressor contactor (stage 1)
C
24VAC common [3]
O/B Changeover valve [7]
G
Fan relay
Aux Auxiliary heat
E
Emergency heat relay
Y2
Compressor contactor (stage 2 - if needed)
L
Heat pump fault input
S
Outdoor sensor
S
Outdoor sensor
[7]
In Installer Setup, set changeover valve to O (for cool
changeover) or B (for heat changeover).
[8]
In ISU set Heat system type to Heat pump. 1 compressor
and 1 stage of backup heat.
[9]
In ISU set Heat system type to Heat pump. 2 compressors
and 0 stage of backup heat.
[10] In ISU set Heat system type to Heat pump. 2 compressors
and 1 stage of backup heat.
5
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Questions and answers
reset wifi Pro T6
How to set pro series for permanent hold
To set the Honeywell T6 Pro thermostat for a permanent hold, follow these steps:
1. Adjust the temperature setting on the thermostat display.
2. A “HOLD UNTIL” message will appear, followed by the time of the next schedule change.
3. Touch the “HOLD UNTIL” message.
4. Two new options will appear: “PERMANENT HOLD” and “RUN SCHEDULE.”
5. Touch “PERMANENT HOLD” to keep the new setting permanently.
The thermostat will maintain this temperature until it is manually changed or canceled.
This answer is automatically generated
How to change the battery
To change the battery in a Honeywell T6 Pro thermostat, follow these steps:
1. Turn Off Power: Unplug the furnace from the wall to ensure safety.
2. Remove the Thermostat: Gently pull the thermostat off the wall-mounted backplate.
3. Take Out Old Batteries: Remove the existing AA batteries.
4. Insert New Batteries: Place two fresh AA batteries, ensuring correct polarity.
5. Reattach the Thermostat: Secure the thermostat back onto the wall-mounted plate.
6. Check Display: The screen should light up, showing it is ready to use.
If batteries are replaced within two minutes, the time and day settings will remain unchanged. Other settings are stored permanently.
This answer is automatically generated