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.
ERSE-YM9EC
ERSE-MEC
EHSE-YM9EC
EHSE-MEC
ERSE-YM9EC.UK
ERSE-MEC.UK
EHSE-YM9EC.UK
EHSE-MEC.UK
OCH590*
OCB590*
PAC-IF012B-E
PAC-IF021B-E
PAC-IF032B-E
PAC-IF012B-E
PAC-IF021B-E
PAC-IF032B-E
OCB427
PAC-SIF051B-E
PAC-SIF051B-E
OCB536
PAC-IF061B-E
PAC-IF062B-E
PAC-IF061B-E
PAC-IF062B-E
OCB572
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 beaker.
• 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
* The service manual is scheduled to be issued on May 2015.
OCH583
