Installation Guide
Model TM46
SiteSage Thermostat
This thermostat is compatible with most HVAC systems, including the following:
24VAC systems Note: requires both the 24R and 24C (common) wires
Standard gas/oil/electric heating systems
1 stage heating and cooling
o
2 stage heating and cooling
o
Heat Pump systems:
1 stage heating and cooling
o
2 stage heating and cooling
o
2
or 3
stage Auxiliary heating (heat strips)
o
nd
rd
Do NOT use for line voltage controls (120/240VAC)
Stop!
Before removing your existing thermostat do the following:
1.
Take a picture of the original wires and terminal connections
2.
Label the wires with the terminal markings on the old thermostat
3.
Record old thermostat terminals and the wire color connected to them below
Standard HVAC System Wiring
Terminal
Meaning
Typical Wire Color
Marking
May be different!!!
Take a picture!
24VAC Common
Blue
C
R
24VAC Return
Red
Fan
Green
G
W or W1
Heat stage 1
White
Y or Y1
Cool stage 1
Yellow
Heat stage 2
Orange
W2
Y2
Cool stage 2
Black
Heat Pump HVAC System Wiring
Terminal
Meaning
Typical Wire Color
May be different!!!
Marking
Take a picture!
C
24VAC Common
Blue
R
24VAC Return
Red
G
Fan
Green
W or W1
Aux Heat
White
Compressor stage 1
Yellow
Y or Y1
O (or B*)
Change Over Valve
Orange (brown*)
Y2
Compressor stage 2
Black
* if you have a terminal marked "B" with a brown wire attached to it, that means you have a
changeover (C/O) with heating type heat pump system. Be sure to set the change over
type in the Installer Settings menu to C/O Type: w/Heat. Otherwise leave it set to
w/Cool.
DCN: 140-02302-01
Record the old thermostat
wire color that was connected
to the terminal
Record the old thermostat
wire color that was connected
to the terminal
Page 1
Standard Gas/Electric HVAC System Wiring
Thermostat back
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
24RC
Cooling 24V
G
Fan
Y1
Cooling stage 1
Y2
Cooling stage 2
RS2
Remote Sensor 2
RS2
Remote Sensor 2
RSC
Sensor shield
Shielded cable
Remote Sensor 2
Indoor or Outdoor type
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.
DCN: 140-02302-01
24C
24VAC Com
24RH
24V Heating
W1
Heating stage 1
W2/O
Heating stage 2
RS1
Remote Sensor 1
RS1
Remote Sensor 1
RSC
Sensor shield
Shielded cable
Remote Sensor 1
Indoor type
Standard HVAC System
Thermostat Connection
C 24VAC Common
R 24VAC Return
W1 Heat Stage 1
W2 Heat Stage 2
G Fan
Y1 Compressor Stage 1
Y2 Compressor Stage 2
Default Setup:
Gas/Elec
Gas Heat
1 Stage heating
1 Stage cooling
No setup required for
this configuration
Page 2
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