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VMH Inverter Mini-Split OWNER’S MANUAL Heat Controller, Inc.
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8. Heating mode (heat pump models only)
• The air conditioner draws in heat from the outdoor unit and releases it via the indoor unit dur-
ing heating operation. When the outdoor temperature falls, heat drawn in by the air conditioner
decreases accordingly. At the same time, the heat load of the air conditioner increases due to
larger difference between indoor and outdoor temperature. If a comfortable temperature can’t be
achieved by the air conditioner, we suggest you use a supplementary heating device.
9. Auto-restart function
• Power failure during operation will stop the unit completely.
• For units with the Auto-restart feature, when the power restores, the unit restarts automatically us-
ing the previous settings preserved by the memory function of the unit. Timer settings may need
to be adjusted after a power failure.
10. Electrical interference
• Electronic equipment which uses wireless radio transmitters within 3 ft (1m) of the air condition-
ing unit may cause the unit to malfunction. Disconnect the unit with power and then re-connect
the unit with power again. Push the ON/OFF button on the remote controller to restart operation.
Ensure that the air conditioner unit is as far away from any electronic interference sources as pos-
sible, otherwise wireless interference can occur.