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During installation, install the refrigerant piping properly before running the compressor. Operation of compressor without fixing
18.
refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in
explosion, injury etc.
During pump down operation, stop the compressor before removing the refrigeration piping. Removal of refrigeration piping while
19.
compressor is operating and valves are opened will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in
explosion, injury etc.
Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare
20.
may break and cause refrigerant gas leakage.
After completion of installation, confirm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant comes into
21.
contact with fire.
22.
Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when the refrigerant comes into contact with fire.
This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and telephone.
23.
Otherwise, it may cause electrical shock in case of equipment breakdown or insulation breakdown.
Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of
1.
the unit, it may cause fire.
Do not release refrigerant during piping work for installation, re-installation and during repairing a refrigeration parts. Take care of
2.
the liquid refrigerant, it may cause frostbite.
3.
Do not install this appliance in a laundry room or other location where water may drip from the ceiling, etc.
4.
Do not touch the sharp aluminium fin, sharp parts may cause injury.
Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the
5.
furniture.
6.
Select an installation location which is easy for maintenance.
Power supply connection to the room air conditioner.
Power supply cord shall be UL listed or CSA approved 3 conductor with minimum AWG14 (CU-XE9/12/15WKUA) and AWG12
(CU-XE18/24WKUA) wires.
7.
Power supply point should be in an easily accessible place for power disconnection in case of emergency.
In some countries, permanent connection of this air conditioner to the power supply is prohibited.
Fix power supply connection to a circuit breaker for permanent connection.
Use NRTL approved fuse or circuit breaker (rating refers to name plate) for permanent connection.
Installation work.
8.
It may take two people to carry out the installation work.
WARNING
CAUTION
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