Mitsubishi Heavy Industries FDCW60VNX-W, Installation Manual

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6
Safety precautions
fan can start unexpectedly, which can cause
personal injury.
Do not touch any refrigerant pipes
when the system is in operation.
During operation the refrigerant pipes become
extremely hot or extremely cold depending the
operating condition, and it can cause burn injury
or frost injury.
Notabilia for units designed for R32
‡ 'RQRWXVHDQ\UHIULJHUDQWRWKHUWKDQ55
will rise to pressure about 1.6 times higher
than that of a conventional refrigerant (R22 or
R407C). A cylinder containing R32 has a light
blue indication mark on the top.
‡ ,QFKDUJLQJUHIULJHUDQWDOZD\VWDNHLWRXWIURP
a cylinder in the liquid phase.
‡ $OO LQGRRU XQLWV PXVW EH PRGHOV GHVLJQHG
exclusively for R32. Check connectable indoor
unit models in a catalog, etc. (A wrong indoor
unit, if connected into the system, will impair
proper system operation)
Dedicated tools for R32 or R410A
a) Gauge manifold
b) Charge hose
c) Electronic scale for refrigerant charge
d) Vacuum pump
e) Flaring tool set
f) Protrusion control gauge for copper pipe
g) Vacuum pump adapter
h) Gas leak detector