DCN: 140-02302-01
Page 1
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
o
1 stage heating and cooling
o
2 stage heating and cooling
Heat Pump systems:
o
1 stage heating and cooling
o
2 stage heating and cooling
o
2
nd
or 3
rd
stage Auxiliary heating (heat strips)
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
Marking
Meaning
Typical Wire Color
May be different!!!
Take a picture!
Record the old thermostat
wire color that was connected
to the terminal
C
24VAC Common
Blue
R
24VAC Return
Red
G
Fan
Green
W or W1
Heat stage 1
White
Y or Y1
Cool stage 1
Yellow
W2
Heat stage 2
Orange
Y2
Cool stage 2
Black
Heat Pump HVAC System Wiring
Terminal
Marking
Meaning
Typical Wire Color
May be different!!!
Take a picture!
Record the old thermostat
wire color that was connected
to the terminal
C
24VAC Common
Blue
R
24VAC Return
Red
G
Fan
Green
W or W1
Aux Heat
White
Y or Y1
Compressor stage 1 Yellow
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
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
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
24C
Cooling 24V
Fan
Cooling stage 1
Cooling stage 2
Remote Sensor 2
Remote Sensor 2
Sensor shield
24VAC Com
24V Heating
Heating stage 1
Heating stage 2
Remote Sensor 1
Remote Sensor 1
Sensor shield
Remote Sensor 2
Indoor or Outdoor type
Remote Sensor 1
Indoor type
Shielded cable
Shielded cable
Default Setup:
Gas/Elec
Gas Heat
1 Stage heating
1 Stage cooling
No setup required for
this configuration
Thermostat back
