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4
WARNING
19.
During pump down operation, stop the compressor before removing the refrigeration piping. Removal of refrigeration piping while
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.
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.
20.
Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare
may break and cause refrigerant gas leakage.
may break and cause refrigerant gas leakage.
21.
After completion of installation, confirm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant contacts
with fire.
with fire.
22. Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when the refrigerant contacts with fire.
23.
This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and
telephone. Otherwise, it may cause electrical shock in case of equipment breakdown or insulation breakdown.
telephone. Otherwise, it may cause electrical shock in case of equipment breakdown or insulation breakdown.
CAUTION
1.
Do not install the unit in a place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding
of the unit, it may cause fire.
of the unit, it may cause fire.
2.
Do not release refrigerant during piping work for installation, re-installation and during repairing refrigeration parts. Take care of
the liquid refrigerant, it may cause frostbite.
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.
5.
Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the
furniture.
furniture.
6.
Select an installation location which is easy for maintenance.
7.
Power supply connection to the room air conditioner.
Use power supply cord 3 x 1.5 mm
Use power supply cord 3 x 1.5 mm
2
(3/4 ~ 1.5HP), 3 x 2.5 mm
2
(2.0HP) type designation 60245 IEC 57 or heavier cord.
Connect the power supply cord of the air conditioner to the mains using one of the following method.
Power supply point should be in 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.
1) Power supply connection to the receptacle using power plug.
Use an approved 15/16A (3/4 ~ 1.5HP), 16A (2.0HP) power plug with earth pin for the connection to the socket.
2) Power supply connection to a circuit breaker for the permanent connection.
Use an approved 16A (3/4 ~ 2.0HP) circuit breaker for the permanent connection. It must be a double pole switch with a minimum
3.0 mm contact gap.
Power supply point should be in 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.
1) Power supply connection to the receptacle using power plug.
Use an approved 15/16A (3/4 ~ 1.5HP), 16A (2.0HP) power plug with earth pin for the connection to the socket.
2) Power supply connection to a circuit breaker for the permanent connection.
Use an approved 16A (3/4 ~ 2.0HP) circuit breaker for the permanent connection. It must be a double pole switch with a minimum
3.0 mm contact gap.
8.
Installation work.
It may need two people to carry out the installation work.
It may need two people to carry out the installation work.
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