Electrical Work - Mitsubishi Electric CITY MULTI PUMY-P250YBM2 Installationshandbuch

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- Do not use thin pipes.
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Gauge manifold
Charge hose
Gas leak detector
Torque wrench
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lowered.
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- The quality of the food, etc. may deteriorate.
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the air conditioner or damage its parts.
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- Inverter equipment, private power generator, high-frequency medical equip-
ment, or radio communication equipment may cause the air conditioner to
operate erroneously, or fail to operate. On the other hand, the air conditioner
ment or image broadcasting.
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condensation may drip from the indoor unit. Perform collective drainage
work together with the outdoor unit, as required.
Tools (for R410A)
Flare tool
Size adjustment gauge
Vacuum pump adapter
Electronic refrigerant charging scale

electrical work

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- Do not connect the ground wire to gas or water pipes, lightning rods, or
telephone ground lines. Improper grounding may result in electric shock.
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- If the unit is miss wired, when power is supplied, some electrical parts will
be damaged.
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- If a leak circuit breaker is not installed, electric shock may result.
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- A fuse or circuit breaker of a larger capacity, or the use of a substitute simple
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- Washing them may cause an electric shock.
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- If the damage is left uncorrected, the unit may fall and cause personal injury
or property damage.
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condensation.
- Improper drain piping may cause water leakage and damage to furniture
and other possessions.
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- Some products use PP bands for packaging. Do not use any PP bands as
a means of transportation. It is dangerous.
the unit base. Also support the outdoor unit at four points so that it cannot
slip sideways.
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- Packing materials, such as nails and other metal or wooden parts, may
cause stabs or other injuries.
- Tear apart and throw away plastic packaging bags so that children will not
play with them. If children play with a plastic bag which has not been torn
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- Without N-Line, it could cause damage to the unit.
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- Starting operation immediately after turning on the main power switch can
result in irreversible damage to internal parts. Keep the power switch turned
on during the operational season. Make sure of the phase order of power
supply and voltage between each phase.
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operation.
- During and immediately after operation, the refrigerant pipes may be hot
refrigerant piping, compressor, and other refrigerant cycle parts. Your hands
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- Rotating, hot, or high-voltage parts can cause injuries.
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drainage water leakage or mechanical failure of sensitive parts may occur.
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• Depending on the operating conditions, the outdoor unit fan may stop while
the compressor is operating, but this is not a malfunction.