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10
SPECIAL REMARKS
Heating performance
• Because this appliance heats a room by utilizing the heat of the outside air (heat pump system),
the heating efficiency will fall off when the outdoor temperature is very low. If sufficient heat
cannot be obtained with this heat pump, use another heating appliance in conjunction with this
unit.
Defrosting
• When the outdoor temperature is low, frost or ice may form on the outdoor heat exchanger
coil, reducing the heating performance. When this happens, a microcomputer-controlled
defrosting system operates. At the same time, the fan on the indoor unit stops (or runs at
very low speed in some cases) and the (STANDBY) lamp lights on the indoor unit until
defrosting is completed. Heating operation then restarts after several minutes. (This interval
will vary slightly depending upon the outdoor temperature and the way in which frost forms.)
(STANDBY) lamp
on the indoor unit
• For several minutes after the start of heating operation, the indoor fan will not start running
(or it will run at very low speed in some cases) until the indoor heat exchanger coil has
warmed up sufficiently. This is because a cold draft prevention system is operating. During
this period, the
(STANDBY) lamp remains lit.
•
(STANDBY) lamp remains lit during defrosting or when the compressor has been turned
off (or when the unit is running at very low speed) by the thermostat when the system is in
the heating mode.
• Upon completion of defrosting and when the compressor is turned on again,
(STANDBY) lamp will light off automatically as the heating operation resumes.
When setting up two or three air conditioners in one room, you can control the air conditioners
correctly by setting the ADDRESS switches of the Operation Controllers and the Wireless
Remote Controllers.
You can control the air conditioners:
1. with one wireless remote controller changing the ADDRESS switch setting of the wireless
remote controller.
2. with each wireless remote controller having the ADDRESS switch set differently.
Should the power fail while the unit is running
• If the power supply for this unit is temporarily interrupted the unit will automatically resume
operation (once the power is restored) with the same settings that were in effect before the
power was interrupted.
• Be sure to place the wireless remote controller where it can operate the air conditioner
correctly.
Heating Operation
ADDRESS switch setting
NOTE
163011_SingleSplit_EN_1.fm Page 10 Thursday, September 15, 2011 9:00 AM
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