Relocation And Maintenance; Pumping Down - Mitsubishi Electric MSZ-LN25VG Installation Manual

5. CONNECTION SETUP OF THE Wi-Fi INTERFACE
This product is equipped with the Wi Fi Interface as standard
Refer to the OPERATING INSTRUCTIONS provided with the indoor unit for connection with the router

6. RELOCATION AND MAINTENANCE

6-1. REMOVING AND INSTALLING THE PANEL ASSEMBLY
Removal procedure
1) Insert a screwdriver deeply into the holes
2) Pry off the right and left arm holders y moving the screwdriver down and towards
the ack wall
3) Remove the safety string from the upper center of the panel assem ly
Installation procedure
1) Install the panel assem ly following the removal
procedure in reverse
2) e sure to press the positions as indicated y the
arrows in order to attach the assem ly completely to
the unit
6-2. REMOVING THE INDOOR UNIT
Remove the ottom of the indoor unit from the installation
plate
When releasing the corner oxes, release oth left and
right ottom corner part of indoor unit and pull it downward
and forward as shown in the gure on the right
1
2
3
CAUTION
Hold the panel with your hand while
detaching it to avoid in ury.

6-3. PUMPING DOWN

When relocating or disposing of the air conditioner, pump down the system following the
procedure elow so that no refrigerant is released into the atmosphere
1) Connect the gauge manifold valve to the service port of the stop valve on the gas pipe
side of the outdoor unit
2) Fully close the stop valve on the liquid pipe side of the outdoor unit
3) Close the stop valve on the gas pipe side of the outdoor unit almost completely so that
it can e easily closed fully when the pressure gauge shows 0 MPa Gauge (0 kgf/cm )
4) Start the emergency COOL operation
To start the emergency operation in COOL mode, disconnect the power supply plug and/
or turn off the reaker After 15 seconds, connect the power supply plug and/or turn on
the reaker, and then press the E O SW once (The emergency COOL operation can
e performed continuously for up to 30 minutes )
5) Fully close the stop valve on the gas pipe side of the outdoor unit when the pressure
gauge shows 0 05 to 0 MPa Gauge (approx 0 5 to 0 kgf/cm )
6) Stop the emergency COOL operation
Press the E O SW several times until all LE lamps turn off Refer to operating instruc
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.
This product is designed and intended for use in the residential, commercial
and light industrial environment
EA OFFICE TOK O UIL ING, 2 7 3, MARUNOUC I, C I O A KU,
TOK O 100 8310, JAPAN
WARNING