Reference Manual; Safety Precaution - Mitsubishi Electric PUHZ-SP125VKA Service Manual

REFERENCE MANUAL

1
INDOOR UNIT SERVICE MANUAL
Model name
PLA-SM71/100/125/140EA*
PEAD-SM71/100/125/140JA(L)
* These models will be released on Dec/2017.
2

SAFETY PRECAUTION

2-1. ALWAYS OBSERVE FOR SAFETY
Before obtaining access to terminal, all supply circuits must be disconnected.
2-2. CAUTIONS RELATED TO NEW REFRIGERANT
Cautions for units utilizing refrigerant R410A
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 breaker.
• Discharge the condenser before the work involving the
electric parts.
OCH671
Service Ref.
PLA-SM71/100/125/140EA.UK
PEAD-SM71/100/125/140JA(L).UK
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.
2
Service
Manual No.
OCH683
OCB683
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