CT2001 Touchscreen Programmable Thermostat
Special
Heat
Pump
Operat
ion
Heat
Pump
Indication
(Requires
24VAC Common
Connections)
―E5‖ indication is located in the screen of the
thermostat. It is only visible when lighted.
When the L terminal is wired to an
equipment monitor, this is operational in the
HEAT, OFF, COOL or AUTO positions.
When the ―E5‖ is illuminated call for service.
See Fig. 31.
Fig. 31. L terminal switch to R (power)
side of system transformer.
Heat
Pump
Emergency
Heat
LCD
Indication (Requires
24VAC
Common
Connection)
The thermostat indicates ―E5‖ indicator when
the thermostat is in the Emergency Heat mode.
The ―E5‖ is located in the LCD screen of the
thermostat. It is visible only when on. When
the thermostat is in the EMER system mode,
the L terminal is continuously energized and the
―E5‖ is displayed.
Heat
Pump
Temperature
Lockouts
Dual Fuel Heat Pump and Outdoor
Temperature Sensor
In this operation, there is no external fossil fuel
kit (dual fuel kit) installed; the thermostat
controls this function.
TUE
AM
Set To
SYSTEM
HEAT
MORE
SCHED
HOLD CLOCK
SCREEN
AUTO
FAN
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