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Haier air conditioner Edition: 20070116
-3-
1. General information
This Service Manual describes the operation, disassembly, troubleshooting, and repair of Haier Room
Air Conditioners, etc. It is intended for use by authorized services who troubleshoot and repair these
units.
It is assumed that users of this manual are familiar with the use of tools and equipment used to
troubleshoot and repair electrical, mechanical, and refrigeration systems; and understand the
terminology used to describe and discuss them.
Haier urges you read and follow all safety precautions and warnings contained in this manual. Failure
to comply with safety information may result in severe personal injury or death.
Related Publications
This is a base service manual, covering a range of similar models. It is intended to be used in
conjunction with the Parts Manual and Technical Sheet covering specific model being serviced.
NOTE: General Precautions and Warnings
WARNING
To avoid risk of personal injury or death due to electrical shock, disconnect electrical power to unit
before attempting to service the unit.
WARNING
To avoid risk of personal injury or death due to electrical shock, DO NOT, under any circumstances,
alter the grounding plug .Air conditioner must be grounded at all times. Do not remove warning tag
from power cord. If a two-prong (non-grounding) wall receptacle is encountered, contact a qualified
electrician and have the receptacle replaced with a properly grounder wall receptacle in accordance
with the National Electrical Code.
WARNING
To avoid risk of heat exposure, which may cause death or severe illness, air conditioner must be
monitored when failures or shuts down.
WARNING
To avoid risk of personal injury or death due to electrical shock, grounding wires and wires colored like
grounding wires are NOT to be used as current carrying conductors. The standard accepted color
coding for ground wires is green or green with a yellow stripe. Electrical components such as the
compressor and fan motor are grounded through an individual wire attached to the electrical
component and to another part of the air conditioner. Grounding wires should not to be removed from
individual components while servicing, unless the component is to be removed and replaced. It is
extremely important to replace all removed grounding wires before completing service.