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... Installation Precautions (continued)
If refrigerant leakage occurs during
operation, ventilate
If leaked refrigerant comes into contact with
fi re, harmful gases may be produced and may
Ventilate
cause harm.
Before starting operation, open both service valves
When the service valves are not open, abnormally high pressure and temperature in the refrigeration
cycle occur, resulting in risks of rupture and fi re.
Open the
valve
Wear gloves during installation (*)
Failure to observe this precaution may result in
injury from parts, etc.
Instructions
(*thick gloves, such as cotton work gloves)
Install a leakage interruptor
Not installing a leakage interruptor may lead to
electric shocks.
Install a
leakage
The leakage interruptor is not included with the
interruptor
condensing unit.
Take care when opening and closing the
service valves
When the service valve is open, harm may
Be careful
when opening
result from exposure to refrigerant or from
and closing
cooling gas coming into contact with open
valves
fl ame.
Always install a cap on the charging
outlet
There is a risk of refrigerant leakage
Install a
cap
WARNING
Once installation work is complete,
check for any refrigerant leakage
When refrigerant leaks indoors, contact with fi re
from a fan heater, stove, kitchen range, and so
Check for
refrigerant
on may produce harmful gases and may cause
leakage
harm.
CAUTION
Do not select an installation site where
fl ammable gas may leak
In the event that a gas leak occurs near the
condensing unit, there is a risk of fi re.
Prohibited
Do not install at a site having poor
circulation
Oxygen deficiency may occur in the event of
refrigerant leakage.
Prohibited
Make the refrigeration cycle within the
specifi ed range f o r the condensing
unit
Building the refrigeration cycle outside the
Follow the
specifi ed
specified range may lead to rupture, smoke,
ranges
fi re, and electric leakage.
Remove a portion of heat insulation
material around the pipe inlets and
outlets of the casing, and caulk the area
If the condensing unit catches fire, smoke
Caulk the pipe
inlets and
and fi re may occur through the heat insulating
outlets
materials.
3
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