Adding Refrigerant - Akai AUS-12H53R150P9 Instruction Manual

6. Adding refrigerant

• If the connecting pipe is longer than 7m, add refrigerant as needed. Add amount
A= (Lm-7m) x 50g/m.
(A = amount of added refrigerant; L = the length of connecting pipe)
• Exhaust the air as the above-
mentioned method.
• Screw the gas shut-off valve to
close, connect charging hose(low
pressure) to the service valve
and then open gas shut-off valve
again.
• Connect the refrigerant bottle
to the charging hose and then
convert it.
• Fill in liquid refrigerant as the
above table.
• Disconnect the manifold gauge
after turning off the shut-off
valve, and then open gas shut-
off valve again.
• Tighten nuts and caps of
each valve.
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