1
1. Precaution
1.1 Safety Precaution
n
To prevent injury to the user or other
people and property damage, the following
instructions must be followed.
n
Incorrect operation due to ignoring
instruction will cause harm or damage.
n
Before service the unit, be sure to
read this service manual at first.
1.2 Warning
Ø
Installation
n
Do not use a defective or underrated
circuit breaker. Use this appliance on a
dedicated circuit.
There is risk of fire or electric shock.
n
For electrical work, contact the dealer,
seller, a qualified electrician, or an
authorized service center.
Do not disassemble or repair the product,
there is risk of fire or electric shock.
n
Always ground the product.
There is risk of fire or electric shock.
n
Install the panel and the cover of
control box securely.
There is risk of fire of electric shock.
n
Always install a dedicated circuit and
breaker.
Improper wiring or installation may cause
electric shock.
n
Use the correctly rated breaker of
fuse.
There is risk of fire or electric shock.
n
Do not modify or extend the power
cable.
There is risk of fire or electric shock.
n
Do not install, remove, or reinstall the
unit by yourself (customer).
There is risk of fire, electric shock, explosion,
or injury.
n
Be caution when unpacking and
installing the product.
Sharp edges could cause injury, be especially
careful of the case edges and the fins on the
condenser and evaporator.
n
For installation, always contact the
dealer or an authorized service center.
n
Do not install the product on a
defective installation stand.
n
Be sure the installation area does not
deteriorate with age.
If the base collapses, the air conditioner could
fall with it, causing property damage, product
failure, and personal injury.
n
Do not let the air conditioner run for a
long time when the humidity is very high
and a door or a window is left open.
n
Take care to ensure that power cable
could not be pulled out or damaged during
operation.
There is risk of fire or electric shock.
n
Do not place anything on the power
cable.
There is risk of fire or electric shock.
n
Do not plug or unplug the power
supply plug during operation.
There is risk of fire or electric shock.
n
Do not touch (operation) the product
with wet hands.
n
Do not place a heater or other
appliance near the power cable.
There is risk of fire and electric shock.
n
Do not allow water to run into
electrical parts.
It may cause fire, failure of the product, or
electric shock.
n
Do not store or use flammable gas or
combustible near the product.
There is risk of fire or failure of product.
n
Do not use the product in a tightly
closed space for a long time.
Oxygen deficiency could occur.
n
When flammable gas leaks, turn off
the gas and open a window for ventilation
before turn the product on.
n
If strange sounds or smoke comes
from product, turn the breaker off or
disconnect the power supply cable.
Summary of Contents for MSMBB-12CRDN1-MP0W
Page 7: ...5 2 2 Part names of Indoor Outdoor units ...
Page 9: ...7 For MSMBB 12CRDN1 MP0W For MSMBC 18CRDN1 MP0W For MSMBD 22CRDN1 MP5W ...
Page 13: ...11 MOF1 22CDN1 MP5W ...
Page 25: ...23 ...
Page 32: ...30 MOF1 22CDN1 MP5W ...
Page 36: ...34 9 2 3 Zero crossing detection error diagnosis and solution E2 ...
Page 39: ...37 supply or 50V 115V power supply the PCB must has problems and need to be replaced ...
Page 45: ...43 P W N U ...
Page 46: ...44 N V N W ...