Honeywell TH6320ZW2003 Pro Z-Wave Programmable Thermostat Installation Guide
Wiring heat pump systems
1H/1C Heat Pump System
3H/2C Heat Pump System [10]
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
R
Power [1]
R
Rc [R+Rc joined by Slider Tab] [2]
Y
Compressor contactor
Y
Compressor contactor (stage 1)
C
24 VAC common [3]
C
24 VAC common [3]
O/B Changeover valve [7]
Fan relay
O/B Changeover valve [7]
Fan relay
Aux Auxiliary heat [4]
Emergency heat relay [4]
Y2 Compressor contactor (stage 2)
Heat pump fault input
G
G
2H/1C Heat Pump System [8]
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
E
R
L
Y
Compressor contactor
C
24 VAC common [3]
Dual Fuel System
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
O/B Changeover valve [7]
Fan relay
Aux Auxiliary heat [4]
R
G
Y
Compressor contactor (stage 1)
E
L
Emergency heat relay [4]
Heat pump fault input
C
24 VAC common [3]
O/B Changeover valve [7]
Fan relay
Aux Auxiliary heat [4]
Emergency heat relay [4]
G
2H/2C Heat Pump System [6]
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
R
E
Y2 Compressor contactor (stage 2 - if
Y
Compressor contactor (stage 1)
needed)
C
24 VAC common [3]
L
S
S
Heat pump fault input
Outdoor sensor
Outdoor sensor
O/B Changeover valve [7]
Fan relay
Y2 Compressor contactor (stage 2)
Heat pump fault input
G
L
NOTES:
• Do NOT use W for heat pump applications. Auxiliary heat must wire to AUX or E.
• Available wiring configurations may differ by product models/product numbers.
• Wire specifications: Use 18- to 22-gauge thermostat wire. Shielded cable is not required.
[1] Power supply. Provide disconnect means and
[7] In Installer Setup Options (ISU), set Reversing
overload protection as required.
Valve to O/B on Cool (for cool changeover) or
to O/B on Heat (for heat changeover).
[2] Move R-Slider Tab on UWP to the R setting. For
more information, see "Setting Slider Tabs" on
page 5.
[8] In Installer Setup Options (ISU), set heat sys-
tem type to Heat Pump. Set compressor stages
to 1, and set Aux/E stages to 1.
[3] Optional 24 VAC common connection.
[10] In Installer Setup Options (ISU), set system type
to Heat Pump, set compressor stages to 2, and
set Aux/E stages to 1.
[4] If you do not have separate wires for the Aux
and E terminals, connect the wire to the Aux
terminal.
[6] In Installer Setup Options (ISU), set system type
to Heat Pump. Set compressor stages to 2, and
set Aux/E stages to 0.
7
| General | Details |
|---|---|
| Name | Honeywell TH6320ZW2003 Pro Z-Wave Programmable Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 2.34 MB |

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