2.3.1 2-wire Heating
2.3.2 2-wire Cooling
2.3.3 3-wire Heating
2.3.4 3-wire Cooling
2.3.5 4-wire Heating and Cooling
2.3.6 5-wire Heating and Cooling
Heat relay
Note: Remove the red jumper wire between terminals Rc and Rh.
TH147-P
Heat relay
Cool relay
Heat relay
Fan relay
Cool relay
Fan relay
Heat relay
Cool relay
Fan relay
Fan relay
Cool relay
2.4
Setting JP2 Jumper
The jumper specifies how the fan will operate when it is placed in
automatic mode.
JP2 jumper
HG
HE
2.5
Installing the Batteries
After the batteries are installed, the thermostat performs a sequence
of tests for approximately 5 seconds. Once installed on the wall, the
thermostat will display the correct ambient temperature after a few
minutes. The time and day settings flash to indicate that they must be
set (see section 5.1).
2.6
Completing the Installation
Basic Functions
3.1
System Operating Mode
Use this selector switch to set the system to heating
mode (HEAT), cooling mode (COOL), or Off.
Note: When you place the thermostat in cooling mode,
you might need to wait up to five minutes before cooling
can start. This delay is a safety feature for the compres-
sor.
will flash on the screen until cooling can start
again.
3.2
Fan Operating Mode
Use the selector switch to set the fan to automatic
mode (AUTO) or continuous mode (ON).
Note: This switch is not used in a 2-wire installation as
the fan is not connected to the thermostat.
The fan operates only when heating or cooling is acti-
AUTO
vated.
ON
The fan operates continuously.
Leave the jumper in this position if you
have a gas or fuel oil furnace.
Place the jumper in this position if you
have an electric furnace.
3.
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