Mitsubishi Electric MXZ-2F33VF3 User manual

Split-type Air-Conditioner
MXZ-2F33VF3
MXZ-2F42VF3
MXZ-2F53VF(H)3
English
INSTALLATION MANUAL

FOR INSTALLER
en
1
ENGLISH
WARNING
(Could lead to death, serious injury, etc.)
MEANINGS OF SYMBOLS DISPLAYED ON INDOOR UNIT AND/OR OUTDOOR UNIT
WARNING
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
1. BEFORE INSTALLATION
Do not install the unit by yourself (user).
Perform the installation securely referring to the installation manual.
When installing the unit, use appropriate protective equipment and tools
for safety.
Failure to do so could cause injury.
Install the unit securely in a place which can bear the weight of the unit.
Do not connect other electrical appliances to the circuit.
screws.
Be sure to cut off the main power in case of setting up the indoor P.C.
board or wiring works.
Failure to do so could cause electric shock.
wires, or use intermediate connection.
cord and do not connect many devices to one AC outlet.
work.
When plugging the power supply plug into the outlet, make sure that there
is no dust, clogging, or loose parts in both the outlet and the plug. Make
sure that the power supply plug is pushed completely into the outlet.
Attach the electrical cover to the indoor unit and the service panel to the
outdoor unit securely.
When installing, relocating, or servicing the unit, make sure that no sub-
circuit.
Do not discharge the refrigerant into the atmosphere. If refrigerant leaks
during installation, ventilate the room. Check that the refrigerant does not
leak after installation has been completed.
Use appropriate tools and piping materials for installation.
When pumping down the refrigerant, stop the compressor before discon-
necting the refrigerant pipes.
or injury.
When installing the unit, securely connect the refrigerant pipes before
starting the compressor.
The unit shall be installed in accordance with national wiring regulations.
Earth the unit correctly.
Be sure to install an earth leakage breaker.
remove all of the refrigerant from the air conditioner and ensure that the
area is well-ventilated.
Do not use means to accelerate the defrosting process or to clean, other
than those recommended by the manufacturer.
The appliance shall be stored in a room without continuously operating
or an operating electric heater).
Do not pierce or burn.
Be aware that refrigerants may not contain an odour.
Pipe-work shall be protected from physical damage.
The installation of pipe-work shall be kept to a minimum.
Compliance with national gas regulations shall be observed.
Keep any required ventilation openings clear of obstruction.
Do not use low temperature solder alloy in case of brazing the refrigerant
pipes.
The appliance shall be stored in a well-ventilated area where the room
Servicing shall be performed only as recommended by the manufacturer.
leakage.
Required Tools for Installation
Scale
Utility knife or scissors
CONTENTS
............................................................1
...............................................
...............................
.........9
......................................................................

This manual only describes the installation of outdoor unit.
When installing the indoor unit, refer to the installation manual of indoor unit.
en
Outdoor Noise level
Rated Breaker Indoor/outdoor indoor unit / for indoor unit / for
15 A
49 dB (A)
44 dB (A)
51 dB (A)
CAUTION
Install an earth leakage breaker depending on the installation place.
Perform the drainage/piping work securely according to the installation
manual.
This could cause injury.
Do not install the outdoor unit where small animals may live.
the unit clean.
Do not operate the air conditioner during interior construction and
A , B UNIT
9
1-4. SELECTING THE INSTALLATION LOCATION
•
the air outlet side of the outdoor unit.

en
•
1-4-1. Minimum installation area for Outdoor units
1.5
45
4.5
5.5
NG

en
4
1.5 4.5
9
15.5
4.5
5.5
41
54
Cassette

en
5
Only for MFZ
4.15
4.54

*1
en
1-5. INSTALLATION DIAGRAM
Outdoor unit installation
Air inlet
Air inlet
Air outlet
1-6. DRAIN PIPING FOR OUTDOOR UNIT
WARNING
ACCESSORIES
(1) 1
PARTS TO BE PROVIDED AT YOUR SITE
(A) 1
(B) 1
(C) 1
1
(E) 1
(F) Extension drain hose 1
(G)
(H) Putty 1
(I)
1
1

en
UNIT UNIT
or dust.
other refrigerant and do not allow air to remain in the lines.
hazards.
this could lead to a serious impediment to securing product safety.
Thickness

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Nut Clutch Clutch
Tilted Uneven Burred
Good
Burr
around
scratches.
Flare nut
5) Check
indoor units.
Indoor unit: other
WARNING
When installing the unit, securely connect the refrigerant pipes before
starting the compressor.
CAUTION
When there are the ports which are not used, make sure their nuts are
tightened securely.

en
9
4-1. PURGING PROCEDURES AND LEAK TEST
initial state.)
for GAS
Handle
control valve
Service
Body
Close
Control
valve
A
• )
valve
Indoor
unit
Electronic scale for
Indoor
unit
Union
Union Outdoor
unit
4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN
WARNING
hazards or ignition risks before opening the stop valves.