2
2-1. ALWAYS OBSERVE FOR SAFETY
Before obtaining access to terminal, all supply circuits must be disconnected.
INDOOR UNIT SERVICE MANUAL
Model Name Service Ref.
Service
Manual No.
PLA-ZP50/60/71/125/140EA PLA-ZP50/60/71/125/140EA.UK
OCH625
OCB625
PLA-RP100/125/140EA PLA-RP100/125/140EA.UK
OCH626
OCB626
PCA-RP50/60/71/100/125/140KAQ PCA-RP50/60/71/100/125/140/KAQR2(-ER)
OCH491
OCB491
PKA-RP50HAL PKA-RP50HALR1(-ER)
OCH453
OCB453
PKA-RP60/71/100KAL PKA-RP60/71/100KALR1.TH(-ER)
OCH452
OCB452
PSA-RP71/100/125/140KA PSA-RP71/100/125/140KA
OCH528
OCB528
PEAD-RP50/60/71/100/125/140JA(L)Q PEAD-RP50/60/71/100/125/140JA(L)QR2.UK
HWE10090
BWE10160
PEA-RP200/250GAQ PEA-RP200/250GAQ.TH-AF
HWE10070
BWE10140
SLZ-KF25/35/50/60VA SLZ-KF25/35/50/60VA.TH
OCH600
OCB600
2
SAFETY PRECAUTION
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.
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.
1
REFERENCE MANUAL
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