13
ENGLISH
Checking Up the Sub Power Supply
The sub power supply is a device to prevent electric leakage due to the over current.
Install the sub power supply separately near the unit and turn it off when you clean the
unit or you do not use the unit for a long period of time.
Install & Operation Ranges
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If the circuit breaker (MCCB, ELB) is installed, the sub power supply does not need to be installed mandatorily.
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If the unit is operated under the condition other than are indicated, it may not operate due to the protective device
in the unit. Especially, if outside temperature is under -15 °C, the unit does not operate at all.
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heavy winds.
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internal part of the product, including the heat exchanger. Especially avoid using it during the long rainy period in
the summer.
Checking before use
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Turn on the sub power supply which is installed separately.
- The sub power supply is not supplied with the unit.
Purchase the sub power supply individually.
Install condition
Outdoor air condition
Indoor air condition
0~40 °C, 80 %RH below
-15~40 °C, 80 %RH below
0~40 °C, 80 %RH below
Maintaining your product
Internal protections via the unit control system
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This internal protection operates if an internal fault occurs in the product.
Type
Description
Against cold air
The internal fan will be off to against cold air when the heat pump is heating.
De-frost cycle
The internal fan will be off to against cold air when the heat pump is heating.
Anti-protection of
internal battery
The compressor will be off to protect internal battery when the product operates in Cool
mode.
Protect compressor
The product does not start operating immediately to protect the compressor of the
outdoor unit after it has been started.
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have deposited at low temperatures.
The internal fan is switched off automatically and restarted only after the de-ice cycle is completed.
When the outdoor air suction temperature becomes lower than -10 °C, the unit is changed to intermittent
operation to prevent freezing of the heat exchanger element and dew condensation within the unit.
