Wiring Heat Pump Systems - Honeywell T6 Pro Manual De Instrucciones

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
(TH6320U only) [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
NOTE: Do NOT use W for heat pump applications. Auxiliary heat must wire to AUX or E.
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.
[7] In Installer Setup, set changeover valve to O
(for cool changeover) or B (for heat change-
over).
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 (TH6320U / TH6220U only)
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) [11]
L Heat pump fault input
S
Outdoor sensor
S Outdoor sensor
[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.
[11] Dual fuel with Y2 only for TH6320U.
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