Table of Contents
Advertisement
Refer to equipment manufacturers' instructions for specific
system wiring information.
You can configure the thermostat for use with either multi-stage
electric heat systems or multi-stage gas systems. When con-
figured for electric
electric heat, the G G G G G terminal (blower/fan) will be
electric
electric
electric
energized on a call for heat.
This thermostat is designed to operate a single-transformer
system. If you have a two-transformer system, cut and tape off
SYSTEM
SYSTEM
SYSTEM
SYSTEM
SYSTEM
L L L L L
Multi-stage Malfunction
24 Volt
Light
(Common)
Set RC/PS
switch to RC
CHECK THERMOSTAT OPERATION
CHECK THERMOSTAT OPERATION
CHECK THERMOSTAT OPERATION
CHECK THERMOSTAT OPERATION
CHECK THERMOSTAT OPERATION
NOTE
To prevent static discharge problems, touch side of
To prevent static discharge problems, touch side of
To prevent static discharge problems, touch side of
To prevent static discharge problems, touch side of
To prevent static discharge problems, touch side of
thermostat to release static build-up before touching
thermostat to release static build-up before touching
thermostat to release static build-up before touching
thermostat to release static build-up before touching
thermostat to release static build-up before touching
any keys.
any keys.
any keys.
any keys.
any keys.
If at any time during testing your system does not operate
properly, contact a qualified serviceperson.
Fan Operation
Fan Operation
Fan Operation
Fan Operation
Fan Operation
If your system does not have a G G G G G terminal connection, skip to
Heating System
Heating System
Heating System.
Heating System
Heating System
1. Turn on power to system.
2. Move FAN switch to ON
ON
ON
ON position. The blower should
ON
begin to operate.
3. Move FAN switch to AUTO
AUTO
AUTO
AUTO position. The blower should
AUTO
stop immediately.
CAUTION
!
Do not allow the compressor to run unless the com-
Do not allow the compressor to run unless the com-
Do not allow the compressor to run unless the com-
Do not allow the compressor to run unless the com-
Do not allow the compressor to run unless the com-
pressor oil heaters have been operational for 6 hours
pressor oil heaters have been operational for 6 hours
pressor oil heaters have been operational for 6 hours
pressor oil heaters have been operational for 6 hours
pressor oil heaters have been operational for 6 hours
and the system has not been operational for at least
and the system has not been operational for at least
and the system has not been operational for at least
and the system has not been operational for at least
and the system has not been operational for at least
5 minutes.
5 minutes.
5 minutes.
5 minutes.
5 minutes.
Heating System
Heating System
Heating System
Heating System
Heating System
1. Press SYSTEM button to select HEAT
heating system has a standing pilot, be sure to light it.
2. Press
to adjust thermostat setting to 1° above room
temperature. The heating system should begin to
operate. The display should show "STG1
the system configuration is set to HP1 or HP2 and set-
point temperature display is flashing, the compressor
lockout feature is operating (see Configuration menu,
item 5).
3. Adjust temperature setting to 3° above room temperature.
If your system configuration is set at MS2, HP2 or HP1,
the auxiliary heat system should begin to operate and
the display should show "STG 1+2
4. Press
to adjust the thermostat below room tempera-
ture. The heating system should stop operating.
4
Multi-Stage Terminal Outputs
Multi-Stage Terminal Outputs
Multi-Stage Terminal Outputs
Multi-Stage Terminal Outputs
Multi-Stage Terminal Outputs
THERMOSTAT TERMINALS (MULTI-STAGE)
THERMOSTAT TERMINALS (MULTI-STAGE)
THERMOSTAT TERMINALS (MULTI-STAGE)
THERMOSTAT TERMINALS (MULTI-STAGE)
THERMOSTAT TERMINALS (MULTI-STAGE)
C C C C C
R R R R R
W2
W2
W2
W2
W2
24 Volt Heat Mode Heat mode Cool Mode Cool Mode Blower/Fan Energized Energized Energized
(Hot)
2nd stage
1st stage
HEAT
HEAT. If the auxiliary
HEAT
HEAT
STG1
STG1
STG1". However, if
STG1
STG 1+2
STG 1+2".
STG 1+2
STG 1+2
one transformer. If transformer safety circuits are in only one of
the systems, remove the transformer of the system with NO
safety circuits. If required, replace remaining transformer with
a 75VA Class II transformer. After disconnecting one trans-
former, the two commons must be jumpered together.
Use the terminal output information below to help you wire the
thermostat properly for your multi-stage system. After wiring,
see CONFIGURATION
CONFIGURATION
CONFIGURATION section for proper thermostat configu-
CONFIGURATION
CONFIGURATION
ration.
E/W1
/W1
/W1
/W1
/W1
Y2
Y2
Y2
Y2
Y2
Y1
Y1
Y1
Y1
Y1
2nd stage
1st stage
EMER
EMER bypasses the Heat Pump to use the heat source
EMER
EMER
EMER
wired to terminal E E E E E on the thermostat. EMER
used when compressor operation is not desired, or you
prefer back-up heat only.
1. Press SYSTEM button to select EMER
on the display.
2. Press
to adjust thermostat setting above room
temperature. The Aux. heating system will begin to
operate. The display will show "STG1
and "HEAT
HEAT
HEAT" to indicate that the Aux. system is
HEAT
HEAT
operating.
3. Press
to adjust the thermostat below room tempera-
ture. The Aux. heating system should stop operating.
To prevent compressor and/or property damage, if
To prevent compressor and/or property damage, if
To prevent compressor and/or property damage, if
To prevent compressor and/or property damage, if
To prevent compressor and/or property damage, if
the outdoor temperature is below 50°F, DO NOT
the outdoor temperature is below 50°F, DO NOT
the outdoor temperature is below 50°F, DO NOT
the outdoor temperature is below 50°F, DO NOT
the outdoor temperature is below 50°F, DO NOT
operate the cooling system.
operate the cooling system.
operate the cooling system.
operate the cooling system.
operate the cooling system.
1. Press SYSTEM button to select COOL
2. Press
to adjust thermostat setting below room
temperature. The blower should come on immediately on
high speed, followed by cold air circulation. The display
should show "STG1
is flashing, the compressor lockout feature is operating
(see Configuration menu, item 5).
3. Adjust temperature setting to 3° below room temperature.
The second stage cooling should begin to operate and
the display should show "STG 1+2
4. Press
to adjust the temperature setting above room
temperature. The cooling system should stop operating.
G G G G G
on call for Cool (and
in Cool
Heat if configured
Mode
to Electric Heat)
Emergency System
Emergency System
Emergency System
Emergency System
Emergency System
EMER
EMER
EMER
EMER is typically
EMER
EMER
EMER. "EMER
EMER
STG1
STG1
STG1
STG1" flashing "EMER
CAUTION
!
Cooling System
Cooling System
Cooling System
Cooling System
Cooling System
COOL.
COOL
COOL
COOL
STG1". If the setpoint temperature display
STG1
STG1
STG1
STG 1+2
STG 1+2
STG 1+2
STG 1+2".
O O O O O
B B B B B
in Heat, Off,
Emergency
Modes
EMER" will flash
EMER
EMER
EMER
EMER
EMER
EMER
EMER"
Hide quick links:
Advertisement
Table of Contents
