Mitsubishi Electric Mr. Slim PUHZ-ZRP35VKA Service Manual page 3

REFERENCE MANUAL
2
INDOOR UNIT SERVICE MANUAL
Model Name
PLA-ZRP35/50/60/71/125/140BA
PLA-ZRP100BA
PCA-RP35/50/60/71/100/125/140KAQ
PCA-RP71HAQ
PKA-RP35/50HAL
PKA-RP60/71/100KAL
PSA-RP71/100/125/140KA
PEAD-RP35/50/60/71/100/125/140JA(L)Q
SLZ-KA25VAQ3
SLZ-KA35/50VAQ3
SLZ-KA25VAL3
SLZ-KA35/50VAL3
3 SAFETY PRECAUTION
3-1. ALWAYS OBSERVE FOR SAFETY
Before obtaining access to terminal, all supply circuits must be disconnected.
3-2. 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.
OCH527C
Service Ref.
PLA-ZRP35/50/60/71/125/140BAR1.UK
PLA-ZRP100BAR1
PLA-ZRP100BAR1-ER
PCA-RP35/100/125/140KAQR2
PCA-RP35/100/125/140KAQR2-ER
PCA-RP50/60/71KAQR1
PCA-RP71HAQ
PCA-RP71HAQ-ER
PKA-RP35/50HALR1
PKA-RP35/50HALR1-ER
PKA-RP60/71/100KALR1.TH
PKA-RP60/71/100KALR1.TH-ER
PSA-RP71/100/125/140KA
PEAD-RP35/50/60/71/100/125/140JA(L)QR1.UK
SLZ-KA25VAQ3.TH
SLZ-KA35/50VAQ3.TH
SLZ-KA25VAL3.TH
SLZ-KA35/50VAL3.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.
3
Service
Manual No.
OCH535
OCB535
OCH529
OCB529
OCH491
OCB491
OCH492
OCB492
OCH453
OCB453
OCH452
OCB452
OCH528
OCB528
HWE10090
BWE10160
OCH563
OCB563
OCH564
OCB564