Reference Manual; Safety Precaution - Mitsubishi Electric PUHZ-ZRP35VKA2 Service Manual

REFERENCE MANUAL

1
INDOOR UNIT SERVICE MANUAL
Model Name
PLA-ZP35/50/60/71EA
PLA-RP35/50/60/71EA
PCA-RP35/50/60/71KAQ
PCA-RP71HAQ
PKA-RP35/50HAL
PKA-RP60/71KAL
PSA-RP71KA
PEAD-RP35/50/60/71JA(L)Q
PEAD-M35/50/60/71JA(L)Q
SLZ-KF35VA
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 beaker.
• Discharge the condenser before the work involving the
electric parts.
Use new refrigerant pipes.
In case of using the existing pipes for R22, be careful with
the following.
· Be sure to clean the pipes and make sure that the insides
of the pipes are clean.
· Change flare nut to the one provided with this product.
Use a newly flared pipe.
· Avoid using thin pipes.
OCH635A
Service Ref.
PLA-ZP35/50/60/71EA.UK
PLA-RP35/50/60/71EA.UK
PCA-RP35KAQR2
PCA-RP35KAQR2-ER
PCA-RP50/60/71KAQR1
PCA-RP71HAQ
PCA-RP71HAQ-ER
PKA-RP35/50HALR1
PKA-RP35/50HALR1-ER
PKA-RP60/71KALR1.TH
PKA-RP60/71KALR1.TH-ER
PSA-RP71KA
PEAD-RP35/50/60/71JA(L)QR1.UK
PEAD-M35/50/60/71JA(L).UK
PEAD-M50/60/71JA(L).TH
SLZ-KF35VA.TH
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.
Use a vacuum pump with a reverse flow check
valve.
Vacuum pump oil may flow back into refrigerant cycle and
that can cause deterioration of refrigerant oil, etc.
2
Service
Manual No.
OCH625
OCB625
OCH626
OCB626
OCH491
OCB491
OCH492
OCB492
OCH453
OCB453
OCH452
OCB452
OCH528
OCB528
HWE10090
BWE10160
HWE16130
BWE017010
OCH600
OCB600