Purging Procedures, Leak Test, And Test Run - Mitsubishi Electric MSZ-AP60VG Installation Manual

4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN

4-1. PURGING PROCEDURES AND LEAK TEST
2) Connect gauge manifold valve and vacuum pump to service port of stop valve on the gas
Valve stem (inside)
Stop valve cap
Close
Stop valve
Open
to 300 kgf•cm)
for LIQUID
Service port cap
140 to
180 kgf•cm)
Precautions when using the control valve
<R32>
A
Open
Make sure to re-
Close
Control
place the cap after
valve
4) Check the vacuum with gauge manifold valve, then close gauge manifold valve, and stop
risks before opening the stop valves.
7) After refrigerant pipes are connected and evacuated, fully open the valve stem of all stop
10) Leak test
Compound pressure gauge
–
(for R32, R410A)
–
( 760 mmHg)
Pressure gauge
(for R32, R410A)
Gauge manifold valve
(for R32, R410A)
Handle
Low
Handle High
Charge hose
Stop valve for
(for R32, R410A)
GAS
Adapter for
preventing the
Vacuum pump (or the vacuum
pump with the function to
When attaching the control valve
to the service port, valve core may
When attaching the control valve to
the service port, make sure that the
Service port
valve core is in closed position, and
part A or turn the body when valve
Charge
hose
WARNING
4-2. TEST RUN
1) Insert power supply plug into the power outlet and/or turn on the
4) Checking the remote (infrared) signal reception
• Press the OFF/ON button on the remote controller (3) and
• Once the compressor stops, the restart preventive device
operates so the compressor will not operate for 3 minutes to
4-3. AUTO RESTART FUNCTION
during operation, such as during blackouts, the function automatically starts operation in
Caution:
To the user
4-4. EXPLANATION TO THE USER
Emergency operation