Dehumidifier
Edition:2006/1/13
CAUTION
READ THIS MANUAL CAREFULLY TO
DIAGNOSE TROUBLE CORRECTLY
BEFORE OFFERING SERVICE
SERVICE MANUAL
MODEL:HD306,HD456,HD656
HD456E,HD656E
Dehumidifier
THIS MANUAL IS USED BY
QUALIFIED APPLIANCE
TECHNICIANS ONLY HAIER
DOES NOT ASSUME ANY
RESPONSIBILITY FOR PROPERTY
DAMAGE OR PERSONAL INJURY
DAMAGE OR PERSONAL INJURY
FOR IMPROPER SERVICE
PROCEDURES DONE BY ONE
UNQUALIFIED PERSON.
REVISION 0
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Dehumidifier
Edition:2006/1/13
IMPORTANT INFORMATION
Model:HD306,HD456,HD656
Model:HD456E,HD656E
Features
1.Two Fan Speeds
2.Easy To Control
3.Easy To Empty
4.Easy Clean Air Filter
5.Easy to move
6.Automatic Humidistat Control
7.Automatic Shut off/Indicator Light
M a i n Specification
MODEL:HD306,HD456,HD656,HD456E,HD656E
30/45/65/45/65
Capacity(Pints/24hrs)
Efficiency(Liter/kwh) 1.2/1.5/1.6/1.5/1.6
Air flow Rate(CFM)-High/low 150,140/150,140/145,130/150,140/145,130
Watts(W) 480/550/650/550/650
1
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Edition:2006/1/13
Dehumidifier
Safety Information
General Information
This Service Manual describes the operation,disassembly,troubleshooting,and repair of Haier RoomAir
Conditioners,etc. It is intended for use by authorized servicers who troubleshoot and repair these units.
NOTE: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.
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 .Dihumidifier 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 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 dihumidifier.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.
WARNING
To avoid risk of heat exposure,which may cause death or severe illness,Dihumidifier must be
monitored when malfunctions or shuts down.
2
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Dehumidꢀifiꢀerꢀ ꢀ ꢀ ꢀ ꢀ ꢀ Edition:2006/1/13
CONTENTS
1.SPECIFICATION...............................................................................4
2.OPERATION.....................................................................................6
3.TROUBLE SHOOTING....................................................................11
4.ELECTRICAL CONTROLL...............................................................13
5.CIRCUIT AND WIRING DIAGRAM.................................................. 16
3
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Dehumidifier
Edition:2006/1/13
SPECIFICATION
4
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Dehumidifier
Edition:2006/1/13
ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ
HD306
HD456
HD656
HD456E
HD656E
Performance
30
1.2
45
1.5
65
1.6
45
1.5
65
1.6
Capacity - Pints/24hrs
Efficiency - Liter/kwh
Airflow Rate (CFM) - High / Low
Noise Level (db) - High / Low
Bucket Capacity
150/140
150/140
145/130
150/140
145/130
50/45 dB（A）53/50 dB（A）55/52 dB（A）53/50 dB（A）55/52 dB（A）
25 pt
25pt
25pt
25pt
25pt
Rotary
Rotary
Rotary
Rotary
Rotary
Compressor Type
Refrigerant Type/Charge amount R22/4.41
(Oz)
R22/9.88
R22/10.58
R22/9.88
R22/10.58
Electrical
115 - 60
5.8
115 - 60
6
115 – 60
6.6
115 - 60
6
115 – 60
6.6
Voltage - Frequency (Hz)
Amps
Watts
480W
5.8
550W
6
650W
6.6
550W
6
650W
6.6
Circuit Size (Amps)
Plug Capacity
Plug Type / NEMA#
Power Cord Length
Dimensions and Installation
Unit Dimensions (In)
Height
125/15
A / 5-15P
6'
125/15
A / 5-15P
6'
125/15
A / 5-15P
6'
125/15
A / 5-15P
6'
125/15
A / 5-15P
6'
22 1/4
14 3/8
13 3/8
22 1/4
14 3/8
13 3/8
22 1/4
14 3/8
13 3/8
22 1/4
14 3/8
13 3/8
22 1/4
14 3/8
13 3/8
Width
Depth
Weight (lbs)
Net / Ship
37.5/41.9
40.8/45.2
43.2/47.6
40.8/45.2
43.2/47.6
Shipping
Carton Dimensions (In)
Height
25 3/16
16 5/32
15 11/32
696
25 3/16
16 5/32
15 11/32
696
25 3/16
16 5/32
15 11/32
696
25 3/16
16 5/32
15 11/32
696
25 3/16
16 5/32
15 11/32
696
Width
Depth
Container Loading (40' HQ)
5
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Dehumidifier
Edition:2006/1/13
OPERRATION
6
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Dehumidifier
Edition:2006/1/13
Model:HD456E,HD656E
7
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Dehumidifier
Edition:2006/1/13
Model: HD306,:HD456,HD656
8
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Dehumidifier
Edition:2006/1/13
9
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Dehumidifier
Edition:2006/1/13
1 0
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Dehumidifier
Edition:2006/1/13
TROUBLE SHOOTING
1 1
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Dehumidifier
Edition:2006/1/13
1 2
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CIRCUIT AND WIRING DIAGRAM
1 3
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Dehumidifier
Edition:2006/1/13
Mode :HD306,HD456,HD656
1 4
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Dehumidifier
Edition:2006/1/13
Temperat re
Humidity
LV-PCB
PIH R C L-H
W
G
£«
V
WATER FULL SWITCH
HV-PC
L-LINE
G
HUMIDITY
ROOM TEMP
PIPE TEMP
HD456E,HD656E
N-LINE
LOW FAN COMPRESSOR
HIGH FAN
1 6
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Dehumidifier
Edition:2006/1/13
Sincere Forever
Haier Group
Haier Industrial Park, No.1, Haier Road
266101, Qingdao, China
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