RCS Technology TZ45R - Standard Gas;Electric System Wiring; Wiring Diagram; Thermostat Configuration

DCN: 140-01773-03 Page 2
Standard HVAC System
G Fan
W1 Heat Stage 1
Y1 Compressor Stage 1
R 24VAC Return
C 24VAC Common
Thermostat Connection
Y2 Compressor Stage 2
W2 Heat Stage 2
Optional 24R Connection for single transformer HVAC Systems
RC and RH are jumpered together on thermostat board.
Cut RC/RH jumper JP1 for separate heating & cooling transformers
Y1
G
Y2
RS2
RS2
RSC
HC
Standard Gas/Electric HVAC System Wiring
Thermostat Setup:
Standard Gas/Electric HVAC Systems
To set the HVAC system type, go to the Thermostat Info screen
and press Setup button
1. Type. Set the HVAC System Type: set to Gas/Elec
2. Fan Type. Set the HVAC Fan Type:
Set to Gas for typical gas furnace (fan is controlled by the furnace)
Set to Elec for electric heat (fan call with heat call)
3. C/O type. Not used for standard systems. Ignore this setting.
4. 2nd Stage Heat. Enable second stage heating outputs
If you have a single stage heating system, leave this set to N
If you have a 2 stage heating system, set to Y to enable.
5. Aux Heat (HP). Not used for standard systems. Ignore this setting
6. 2nd Stage Cool. Enable second stage cooling outputs
If you have a single stage cooling system, leave this set to N.
If you have a two stage cooling system, set to Y to enable.
24RC
W1
24RH
W2/O
RS1
RS1
RSC
H1
24C
Cooling 24V
Fan
Cooling stage 1
Cooling stage 2
Remote Sensor 2
Remote Sensor 2
Sensor shield
Humidity Relay Com
24VAC Com
24V Heating
Heating stage 1
Heating stage 2
Remote Sensor 1
Remote Sensor 1
Sensor shield
Humidity Relay
Remote Sensor 2
Indoor or Outdoor type
Remote Sensor 1
Indoor type
Shielded cable
Shielded cable
* Not used on this version
See Humidity enabled Product TZB45H
Default Setup:
 Gas/Elec
 Gas Heat
 1 Stage heating
 1 Stage cooling
No setup required for
this configuration
Thermostat back
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