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OPERATION MANUAL
Before operation
•
Supply electrical power to system for approximately 6 hours before start-up after long time shutdown.
•
Do not start the system once power supplied, otherwise, it may cause a compressor failure since it is not heated well.
•
Make sure that the outdoor unit is not covered with snow or ice. If covered, remove it with hot water (approximately 50ºC). If the
water temperature is higher than 50ºC, it will damage the plastic parts.
•
When the system is started after a long time of shutdown for more than 3 months, it is recommended that the system be checked
by your service dealer.
•
Turn OFF the main switch when the system is stopped for a long period of time. If the main switch is not turned OFF, electricity is
consumed because the oil heater is always energised when compressor is stopped.
1 Special Remarks
•
3-minute protection after compressor stop
To protect compressor, it will be off for at least 3 minutes once it is stopped.
•
5-minute protection
Compressor must run for at least 5 minutes once it is operated. During these 5 minutes, compressor will not stop even if the
room temperature reaches the set temperature unless you use remote controller to turn off the unit (all indoor units can be turned
off by user).
•
Cooling operation
The fan of the indoor unit will never stop running during the cooling operation. It remains running even if the compressor stops
working.
•
Heating operation
Heating capacity depends on external factors like outdoor unit temperature. Heating capacity might decrease if outdoor ambient
temperature is too low.
•
Anti-freezing function during cooling
When the air temperature from the indoor outlet is too low, the unit will run for some time in the ventilating mode, to avoid frost or
ice forming in the indoor heat exchanger.
•
Cold air prevention
During several minutes after the heating mode is started, the fan of the indoor unit will not run until the heat exchanger of the
indoor unit reaches a certain temperature to prevent cold draft.
•
Defrosting
When the outdoor temperature is too low, frost or ice may generate on the outdoor heat exchanger, affecting heating
performance. When this happens, the defrosting system of the air conditioner will operate. At the same time the fan in the indoor
unit stops (or runs at a very low speed in some cases) to prevent cold draft. After defrosting is over, the heating operation and
the fan speed resume.
•
Blowing out the residual heating air
When air conditioner is stopped during normal operation, the fan motor would run at low speed for a while to blow out residual
heating air.
•
Auto restart from Power Break
When the power supply is recovered after power break, all presets are still effective and the air conditioner will run according to
the previous setting.
2 Setting of Automatic Swing Louver
For more details, please refer to the Manual of Remote Controller.
Do not adjust the air louver by hand, to avoid damage to the louver mechanism.
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HO2019289HA
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CAUTION
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CAUTION
Operation Manual
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