Home > Robertshaw > Robertshaw RS9320T Programmable Touchscreen Wall Thermostat Instruction Manual
Robertshaw RS9320T Programmable Touchscreen Wall Thermostat Instruction Manual
Wiring
Wiring Diagrams
Power supply
Terminal Designations
This thermostat is shipped from the factory to operate a conventional heating
and cooling system. This thermostat may also be configured for a heat pump
system. See the “heat pump”configuration step on page 14 of this manual to
configure the thermostat for heat pump applications.
Factory-installed jumper. Remove only when installing on
2-transformer systems.
Use either O or B terminals for reversing valve.
Optional 24 VAC commom connection when thermostat is used in
battery power mode.
2 Heat 2 Cool
Conventional System
2 Heat 1 Cool
Heat Pump System
3 Heat 2 Cool
Heat Pump System
Terminal
24 VAC power (Cooling)
24 VAC power (Heating)
24 VAC common
24 VAC power (Cooling)
24 VAC power (Heating)
24 VAC common
24 VAC power (Cooling)
24 VAC power (Heating)
24 VAC common
RC
RH
C
Typical 2H/2C System: 1 Transformer
Reversing valve / configurable terminal Reversing valve / configurable terminal Reversing valve / configurable terminal
Reversing valve / configurable terminal Reversing valve / configurable terminal Reversing valve / configurable terminal
B
O
Fan relay
Fan relay
Emergency Heat
First stage of heat & cool
N/A
Fan relay
G
(HOT)
First stage of heat
First stage of cool
Second stage of cool
Second stage of heat
First stage of auxiliary heat
First stage of heat & cool
Second stage of heat & cool
Second stage of auxiliary heat
W/E
Y
COMPRESSOR
RELAY
Y2
W2
Auxiliary heat
HEAT RELAY
FAN RELAY
Wiring Notes
Common wire
The C (common wire) is optional when the thermostat is
powered by batteries.
HEAT RELAY 2
COMPRESSOR
RELAY 2
Wire Specifications
Use 18- to 22-gauge thermostat wire. Shielded wire is not required.
Notes:
In many heat pump systems without emergency heat relay, a jumper can be
installed between E and W2 to the turn thermostat into a single stage control
for Emergency Heat Operation.
Note:
In many systems with no emergency heat relay a jumper can be installed between
E and W2
Installation Tip: Do not overtighten terminal block screws, as this
can damage the terminal block. A damaged terminal block can
keep the thermostat from fitting on the subbase correctly or cause
system operation issues. Max Torque = 6in/lbs.
5
6
Wiring Diagrams
Wiring Diagrams
Typical Cool-Only System With Fan
Typical 2H/2C System: 2 Transformers
REMOVE JUMPER
(HOT)
(HOT)
COMPRESSOR
RELAY
COMPRESSOR
RELAY
HEAT RELAY
FAN RELAY
FAN RELAY
HEAT RELAY 2
COMPRESSOR
RELAY 2
Typical Heat Only System With Fan
Typical 3H/2C or 2H/1C Heat Pump System
(HOT)
(HOT)
COMPRESSOR
RELAY
HEAT RELAY
FAN RELAY
COOL REVERSING
VALVE
EMERGENCY
HEAT RELAY
HEAT REVERSING
VALVE
FAN RELAY
AUXILIARY
HEAT RELAY
COMPRESSOR
RELAY 2
7
8
| General | Details |
|---|---|
| Name | Robertshaw RS9320T Programmable Touchscreen Wall Thermostat Instruction Manual |
| Make | Robertshaw |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.84 MB |
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