RCS TBZ48A User Manual

DCN: 140-02121-02 Page 8
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
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
Standard Gas/Electric HVAC System Wiring
Thermostat Setup:
Standard Gas/Electric HVAC Systems
To set the HVAC system type, go to the SYSTEM menu.
1. SYSTYPE Set the HVAC System Type: set to S (Standard)
2. FANTYPE Set the HVAC Fan Type:
Set to G (Gas) for typical gas furnace (fan is controlled by the furnace)
Set to E (Elec) for electric heat (fan call with heat call)
3. CO Not used for standard systems. Ignore this setting.
Go to ADVANCED SYSTEMS SETTINGS to set the following:
4. AUX HT Not used for standard systems. Ignore this setting
5. 2ND HT Enable second stage heating outputs
If a single stage heating system, leave this set to N
If a 2 stage heating system, set to Y to enable.
6. 2ND CO Enable second stage cooling outputs
If a single stage cooling system, leave this set to N.
If a two stage cooling system, set to Y to enable.
Default Setup:
 Standard HVAC
 Fan: Gas Heat
 1 Stage heating
 1 Stage cooling
No setup required for this
configuration
Thermostat back
Y2 Y1
G
RC
C
RH
W1
W2/O
Typical thermostat wiring colors.
Caution: verify that original wiring
matches. Colors may be different.
Blue
Black/Brown
Red
White
Orange
Yellow
Green
C wire is not required
for battery operation.
Must be connected
for 24VAC operation.
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RCS TBZ48A Specifications

General

Brand	RCS
Model	TBZ48A
Category	Thermostat
Language	English