Reference Manual; Safety Precaution - Mitsubishi Electric PUZ-HA30NHA4 Service Manual

1

REFERENCE MANUAL

1-1. INDOOR UNIT
Model name
PLA-A18/30/36BA4
PKA-A18HA4
PKA-A30/36KA4
PEA-A18AA4
PEAD-A30/36AA4
PCA-A30/36KA4
2

SAFETY PRECAUTION

2-1. ALWAYS OBSERVE FOR SAFETY
Before obtaining access to terminal, all supply circuits must be disconnected.
Preparation before the repair service.
• Prepare the proper tools.
• Prepare the proper protectors.
• Provide adequate ventilation.
• After stopping the operation of the air conditioner, turn off the power-supply beaker.
• Discharge the condenser before the work involving the electric parts.
Precautions during the repair service.
• Do not perform the work involving the electric parts with wet hands.
• Do not pour water into the electric parts.
• Do not touch the refrigerant.
• Do not touch the hot or cold areas in the refrigerating cycle.
• When the repair or the inspection of the circuit needs to be done without turning off the power,
exercise great caution not to touch the live parts.
Service Ref.
PLA-A18/30/36BA4
PKA-A18HA4
PKA-A30/36KA4.TH
PEA-A18AA4.TH
PEAD-A30/36AA4
PCA-A30/36KA4

Service
Manual No.
OCH482/OCB482
OCH483/OCB483
OCH488/OCB488
HWE08070
HWE09050
OCH484/OCB484