Before Starting The Test Run; Installation Diagram & Parts - Mitsubishi Electric MXZ-8C48NA Manuel D'installation

1. Safety precautions
1.3. Before electric work
Caution:
IMPORTANT
Make sure that the current leakage breaker is one compatible with higher
harmonics.
Always use a current leakage breaker that is compatible with higher har-
monics as this unit is equipped with an inverter.
The use of an inadequate breaker can cause the incorrect operation of in-
verter.

1.4. Before starting the test run

Caution:
Turn on the main power switch more than 12 hours before starting operation.
Starting operation just after turning on the power switch can severely dam-
age the internal parts. Keep the main power switch turned on during the
operation season.
parts are correctly installed. Rotating, hot, or high voltage parts can cause
injuries.
Caution
to connect the refrigerant pipes. Make sure the insides of the pipes are clean
and do not contain any harmful contaminants such as sulfuric compounds,
ant.
- Do not use thin pipes. (Refer to page 6)
packaging.) If dust, debris, or moisture enters the refrigerant lines, oil dete-
rioration or compressor breakdown may result.
oil, oil deterioration may result.
2. Installation diagram & parts
Outdoor unit
Fig. 2-1
connections are loosened, the cables can snap or break and overheating or
pipes, lighting rods, or telephone grounding lines. If the unit is not properly
grounded, electric shock may result.
refrigerant. If you touch the pipes, burns or frostbite may result.
the main power switch. Otherwise, water leakage or breakdown may result.
used, the chlorine will cause the oil to deteriorate.
- nearest dealer for any questions.
Gauge manifold
Charge hose
Gas leak detector
Torque wrench
erant lines, refrigeration oil deterioration may result.
This installation manual is only for the outdoor unit installation. In installing
to each unit.
Branch box
5-branches type
Any structural alterations necessary for the installation must comply with the local
building code requirements.
For actual installation, the outdoor unit is to be turned 180°.
Units should be installed by licensed contractor according to local code requirement.
3-branches type
Note:
The dimensions given along the arrows above are required to guarantee the
air conditioner's performance. Install the unit in as wide a place as possible
for later service or repairs.
Parts to be locally procured
Branch box/outdoor unit connecting wire (3-core)
Extension pipe
Wall hole sleeve
Wall hole cover
(The quantity depends on the pipe length.)
Fixing screw for
(The quantity depends on the pipe length.)
Piping tape
Putty
Refrigeration oil
Power supply cord (2-core, Refer to 7.3. Wiring transmission cables)
Tools (for R410A)
Flare tool
Size adjustment gauge
Vacuum pump adapter
Electronic refrigerant charging scale
4 × 20 mm (13/16")
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1
1
1
1
2 to 7
2 to 7
1
1
1
1
3