Purging Procedures, Leak Test, And Test Run; Relocation And Maintenance - Mitsubishi Electric MSZ-FH25VE Manual De Instrucciones

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 pipe side of the outdoor unit.
Stop valve cap
Hexagonal wrench
Service port cap
140 to
180 kgf•cm)
Precautions when using the control valve
Service port
Control valve
Open
Close
Charge hose
4) Check the vacuum with gauge manifold valve, then close gauge manifold valve, and stop
the vacuum pump.
5)
4-2. TEST RUN

5. RELOCATION AND MAINTENANCE

5-1. REMOVING AND INSTALLING THE PANEL ASSEMBLY
Removal procedure
1) Unlock the upper and lower vanes as
shown in and using a thin instrument.
the right component, pull out the right top
on its upper center part.
Installation procedure
dure in reverse.
5-2. REMOVING THE INDOOR UNIT
tion plate.
Compound pressure gauge
0.101 MPa
Pressure gauge
Stop valve
Handle
Handle High
Charge hose
Stop valve for
preventing the
pump with the function to
When attaching the control valve to
form or loosen if excess pressure is
When attaching the control valve to
the service port, make sure that the
valve core is in closed position, and
core is in open position.
, and twice for opera-
Unlock
-
Upper and
lower vanes
-
-
operating instructions for details.
Checking the remote (infrared) signal reception
• Once the compressor stops, the restart preventive device operates so the compressor
4-3. AUTO RESTART FUNCTION
for details.)
Caution:
To the user
4-4. SETTING THE INSTALLATION POSITION
-
Be sure to set the remote controller in accordance with the installed position of the indoor
unit.
Installation position:
than 50 cm to the left
more than 50 cm to the left and right
than 50 cm to the right
Note:
1) Hold down on the remote controller for 2 seconds to enter the position setting
mode.
to complete the position setting.
Installation position
4-5. EXPLANATION TO THE USER
put the remote controller in the remote controller holder, how to clean, precautions for
operation
operation, etc.).
switch
5-3. PUMPING DOWN
1) Connect the gauge manifold valve to the service port of the stop valve on the gas pipe
side of the outdoor unit.
6) Stop the
tions for details.
When pumping down the refrigerant, stop the compressor before disconnecting
the refrigerant pipes. The compressor may burst if air etc. get into it.
light-industrial environment.
Center
2 ).
.
WARNING
-
2 ).
can
-