Safety Instructions
Operating Instructions
Care and Cleaning
Tr
oubleshooting T
ips
Consumer Support
About Your Heat Pump (3900 Series only)
Heat pumps can save money by removing heat
from the outside air—even when the outside
temperature is below freezing— and releasing
that heat indoors.
To get the best performance from your heat
pump, don’t change the room thermostat very
often. Raising the heat setting 2–3 degrees will
cause the Zoneline to use its electric heating
elements in order to reach the new temperature
setting quickly.
There is a three minute minimum compressor
run time at any setting to prevent short cycling.
The indoor fan motor starts before the
compressor and stops after the compressor
cycles off.
The electric heating elements use much
more electricity than heat pumps and cost
more to operate.
About the controls on your Zoneline.
ge.com
Controls
Temp Control
The temp control is used to maintain the
room temperature. The compressor will
cycle on and off to keep the room at the
same level of comfort.
Press the + pad to raise the temperature.
Press the – pad to lower the temperature.
3900 Series only
When the outdoor temperature is lower
than 25°F, heat is provided by the electric
heater in the air conditioner instead of by
the heat pump.
Sleep
Press to set the air conditioner to run for
8 hours before it automatically returns to
the previous setting.
When in the cooling mode and the
sleep timer is set, the set temperature will
automatically increase 2°F after the second
hour then 1°F each hour over the next two
hours. Also, the fan speed will change to
low. When in the heating mode, the set
temperature will decrease in the same
manner.
To cancel the sleep mode, press the
MODE
pad or
the
SLEEP
pad a second time.
Fan, Mode & Operation Control
FAN—
sets the fan operation for
HIGH,
LOW
or
AUTO
speed. When set at
AUTO,
it automatically switches between
LOW
and
HIGH
as room temperature changes.
MODE—COOL—
For cooling
FAN—
For fan-only operation
HEAT—
For heating
OPERATION—ON/STOP—
Turns the unit
on or off. Power remains connected to the
Zoneline. The Freeze Sentinel feature still
functions if switch 6 is enabled (UP). See
the
Freeze Sentinel
section.
NOTE:
The temperature display will flash to
indicate a possible unit malfunction. Set
operation control to
STOP
and then restart
the unit. If the flashing light reappears within
30 minutes, call for service.
Quick Heat Recovery
Activates each time the thermostat is switched
from
STOP
or a
COOL
mode to a
HEAT
mode.
Electric heaters are energized until the
thermostat set point is reached. On heat pump
models, the heat pump operation will resume at
the next call for heat.
TEMP CONTROL FAN, MODE & SLEEP OPERATION
MODE
TEMP
FAN
OPERATION
HIGH
LOW
AUTO
COOL
FAN
HEAT
ON
STOP
SLEEP
ON
STOP
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