2
OCH670
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-RP50/60/71/100/125/140EA
PLA-RP50/60/71/100/125/140EA.UK
OCH626
OCB626
PCA-M50/60/71/100/125/140KA
PCA-M50/60/71/100/125/140KA
OCH659
OCB659
PCA-RP50/60/71/100/125/140KAQ
PCA-RP50/60/71/100/125/140KAQR2(-ER)
OCH491
OCB491
PEAD-M50/60/71/100/125/140JA(L)
PEAD-M50/60/71/100/125/140JA(L).UK
HWE16130
BWE017010
PEAD-RP100/125/140JA(L)Q
PEAD-RP50JA(L)QR2.UK
PEAD-RP60/71/100/125/140JA(L)QR3.UK
HWE1009A
BWE014160
PSA-RP71/100/125/140KA
PSA-RP71/100/125/140KA
OCH528
OCB528
PKA-M50HA(L)
PKA-M50HA(L)
OCH660
OCB660
PKA-M60/71/100KA(L)
PKA-M60/71/100KA(L).TH
OCH661
OCB661
PKA-RP50HAL
PKA-RP50HALR1(-ER)
OCH453
OCB453
PKA-RP60/71/100KAL
PKA-RP60/71/100KALR1.TH(-ER)
OCH452
OCB452
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