Reference Manual; Indoor Unit; Safety Precaution - Mitsubishi Electric Mr.SLIM PUZ-A42NHA5-BS Service Manual

1

REFERENCE MANUAL

INDOOR UNIT

Model name
PLA-A42BA4
PCA-A42KA5
PEAD-A42AA4
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.
OCH512
Service Ref.
PLA-A42BA4
PCA-A42KA5.TH
PEAD-A42AA4
2
Service manual No.
OCH482
OCB482
OCH501
OCB501
HWE0905A