Reference Manual; Safety Precaution - Mitsubishi Electric PUZ-M200YKA Service Manual

REFERENCE MANUAL

1
INDOOR UNIT SERVICE MANUAL
Model Name
PLA-M50/60/71/100/125EA
PCA-M71HA(-ET)
PCA-M50/60/71/100/125KA
PKA-M50HA(L)
PKA-M60/71/100KA(L)
PEAD-M50/60/71/100/125JA(L)
2

SAFETY PRECAUTION

MEANINGS OF SYMBOLS DISPLAYED ON THE UNIT
WARNING
(Risk of fire)
Read the OPERATION MANUAL carefully before operation.
Service personnel are required to carefully read the OPERATION MANUAL and INSTALLATION MANUAL before operation.
Further information is available in the OPERATION MANUAL, INSTALLATION MANUAL, and the like.
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 R32
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.
OCH737
Service Ref.
PLA-M50/60/71/100/125EA.UK
PCA-M71HA(-ET)
PCA-M50/60/71/100/125KA
PKA-M50HA(L)
PKA-M60/71/100KA(L).TH
PEAD-M50/60/71/100/125JA(L).UK
This mark is for R32 refrigerant only. Refrigerant type is written on nameplate of outdoor unit.
In the case that refrigerant type is R32, this unit uses a flammable refrigerant.
If refrigerant leaks and comes in contact with fire or heating part, it will create harmful gas and there is risk of fire.
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.
OCH697
OCB697
OCH725
OCB725
OCH659
OCB659
OCH660
OCB660
OCH661
OCB661
HWE16130
BWE017010