About the controls on your Zoneline. |
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| HIGH | COOL |
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| LOW | FAN |
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| AUTO | HEAT |
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| ON | ON |
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| STOP | STOP |
TEMP | FAN | MODE SLEEP | OPERATION |
TEMP CONTROL | FAN, MODE & SLEEP OPERATION |
Controls
Safety Instructions
Operating Instructions
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
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.
Care and Cleaning
Troubleshooting Tips
About Your Heat Pump (3900 Series only)
Heat pumps can save money by removing heat from the outside
To get the best performance from your heat pump, don’t change the room thermostat very often. Raising the heat setting
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 |
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more electricity than heat pumps and cost |
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more to operate. | 3 |
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