Robertshaw RS10420T - Page 15

INSTALLER SETUP
13
Settings Display Adjustment Options Default
Heating
Differential
The heating differential is factory
preset at 0.4°. This means that
whenever the room temperature
cools by 0.4° from the temperature
setting, the heating system will turn
on. If the heating system turns on
too often, increase the temperature
differential.
The heating differential setting is
adjustable from 0.2°F to 2°F.
0.4
Heat Pump
The thermostat can be optionally
congured to operate a heat pump.
Use or to
congure the setting. OFF for
conventional systems and ON
for heat pump systems.
OFF
System
Switch
The system switch can be cong-
ured for the particular application.
Heat - Off - Cool, Heat - Off, Cool -
Off, Heat - Off - Cool - Auto.
Note: Emergency Heat is available
in heat pump mode only.
Use or until the
desired application is ashing.
AUTO = (Auto Changeover)
OFF
Stages of
Heat and Cool
If the heat pump is still ON, this
thermostat can be congured to op-
erate up to 2H/2C conventional, or
up to 4H/2C heat pump system.
Use or to select stages
of heat, press NEXT, then select
stages of cool. 3 or 4 heat will use
Y1 and Y2 as 1st and 2nd stage
of heat.
2
STAGES