2
<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 and remove the power plug.
Discharge the capacitor 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 refrigeration 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 the specifi ed refrigerant only
Never use any refrigerant other than that specified.
Doing so may cause a burst, an explosion, or fire when the unit is being used, serviced, or disposed of.
Correct refrigerant is specified in the manuals and on the spec labels provided with our products.
We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by
failure to follow the instructions.
Revision A:
• Airflow in the Silent mode in the cooling operation has been changed.
• "TROUBLESHOOTING" has been corrected (10-2, 10-4).
Revision B:
• MSZ-EF18VEW -
E1
, MSZ-EF18VEB -
E1
and MSZ-EF18VES -
E1
have been added.
Revision C:
• MSZ-EF18/22/25/35/42/50VE2W -
E1
,
ER1
, MSZ-EF18/22/25/35/42/50VE2B -
E1
,
ER1
and MSZ-EF18/22/25/35/42/50VE2S
-
E1
,
ER1
have been added.
Revision D:
• The descriptions of the dimensions for MSZ-EF18/22/25/35/42/50VE2W -
E1
,
ER1
, MSZ-EF18/22/25/35/42/50VE2B -
E1
,
ER1
and MSZ-EF18/22/25/35/42/50VE2S -
E1
,
ER1
have been modified.
Revision E:
• MSZ-EF18/22/25/35/42/50VE3W -
E1
, MSZ-EF18/22/25/35/42/50VE3B -
E1
, MSZ-EF18/22/25/35/42/50VE3S -
E1
, MSZ-
EF22/25/35/42/50VE3W -
ER1
, MSZ-EF22/25/35/42/50VE3B -
ER1
and MSZ-EF22/25/35/42/50VE3S -
ER1
have been added.
Revision F:
• MSZ-EF18/22/25/35/42/50VE3W -
E2
, MSZ-EF22/25/35/42/50VE3W -
ER2
, MSZ-EF18/22/25/35/42/50VE3B -
E2
,
MSZ-EF22/25/35/42/50VE3B -
ER2
, MSZ-EF18/22/25/35/42/50VE3S -
E2
and MSZ-EF22/25/35/42/50VE3S -
ER2
have
been added.
Revision G:
• 5. OUTLINES AND DIMENTIONS has been modified.
• Some descriptions have been modified.
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