Haier HSU18VH7-W Support Question
Haier HSU18VH7-W Support Question
Find answers below for this question about Haier HSU18VH7-W - Ductless Split Outdoor Unit Heat Pump.Need a Haier HSU18VH7-W manual? We have 1 online manual for this item!
Question posted by engphys57 on May 26th, 2012
Hsu18vck Compressor
What type of compressor is it? Recip, rotary, scroll or what?
Current Answers
Related Haier HSU18VH7-W Manual Pages
Service Manual - Page 1
THIS MANUAL IS USED BY QUALIFIED APPLIANCE TECHNICIANS ONLY. HSU18VH7
Air conditioner
Edition: 10070808
Domestic Air conditioner
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE. HAIER DOES NOT ASSUME ANY RESPONSIBILITY FOR PROPERTY DAMAGE OR PERSONAL INJURY FOR IMPROPER SERVICE PROCEDURES DONE BY ONE UNQUALIFIED PERSON.
Service Manual - Page 2
Air conditioner
Edition: 10070808
CONTENTS
1. COMPRESSOR PERFORMANCE DIAGRAM 24 9. INSTALLA TION 12 6. SPECIFICATION 3 3. SCHEMATIC DIAGRAM OF PCB 25 WIRING DIAGRAM 20 7. TROUBLE SHOOTING 10 5. ELECTRICAL CONTROLS 4 4. THERMISTOR RESISTANCE CHART 22 8. GENERAL INFORMATION 1 2.
Service Manual - Page 3
...or death due to be used as the compressor and fan motor are NOT to comply with the use by authorized services who troubleshoot and repair these units. It is to troubleshoot and repair electrical,...color coding for ground wires is intended for use of the air conditioner. It is assumed that users of heat exposure, which may result in this manual are familiar with safety information...
Service Manual - Page 4
HSU18VH7
10070808
Product Features
TEMP SIGNAL SENDING FAN SPEED SLEEP HEALTH POWER ON/OFF
18000/17800 BTU
1580/1560W/7/7.5A SEER:13.0/13.0
HSPF:7.7/7.7
18000/18000 BTU 1520/1480W/6.7/7.2A
500 CFM 1PH 230/208V ~ 60Hz
Service Manual - Page 7
... at the stand-by time of 3 minutes (State 2) 3.2.3.3 Tr Tr Ts+2℃, compressor, outdoor fan run continuously, indoor fan runs as per setting wind speed (State 1); 3.2.3.2 Ts+2℃≥ Tr≥Ts, compressor, outdoor fan run according to air conditioners of indoor coil pipe
a. Air conditioner
Edition: 10070808
3.2 . Tr≥23℃ b. Tr in fixed lower wind speed...
Service Manual - Page 8
... begins, applicable to fan-coil model) Under heating state, the compressor will cease; After the state of indoor coil pipe is ≥ 23℃, start (preventing cold wind when heating running begins, indoor fan will conduct the following fan control: If the temperature of Tp-Tr Air conditioner
Edition: 10070808
State1
State3
State2
Ts-1
Ts...
Service Manual - Page 9
... of return deference
Compressor,outdoor fan OFF after 5 minutes
Fan,compressor ON
0
7
Tp(℃.)
3.2.8 3 minutes stand-by time
When the compressor ceases due to the sensor OFF, unit On or OFF or fault, it
will maintain pause for 3 minutes.
3.2.9 Overload protection during heating running
Temperature protection of indoor coil pipe: Under heating state, the air
conditioner will restart...
Service Manual - Page 10
The rules of click from the buzzer, then the air conditioner will turn to the trial run state. The unit will run in the refrigerating mode and the indoor fan will...of function: Pressing the SLEEP button on the remote
control unit for 10 times until hearing 2 sounds from the buzzer on the panel. 3.2.11 Trial run function When the air conditioner is in OFF state, press the emergency switch for ...
Service Manual - Page 11
MODEL HSU18VH7
PCB
0010403861
The SW2 select"25"OR "35" 25
- 9- Air conditioner
Edition: 10070808
running for 1 hour under heating mode, the setting temperature will decrease 2℃, after another 1 hour, it will decrease the 2℃ again, and after 3 hours, it will increase 1℃, and after other 3 hours, it will cease.
Service Manual - Page 13
... the indoor mainboard about 1-6.5v
NO
the PCB of the indoor unit is damaged and needs replacing
YES
the motor of the indoor unit is damaged and needs replacing.
- 11- see the following flow...
Electrify the machine again and turn it on the indoor
mainboard and reinsert them. Air conditioner
Edition: 10070808
Table for Wrong Codes
Wrong express power timing operating
reasons
Ways and means...
Service Manual - Page 18
Power Cable:AWG12X3.
16 Indoor unit
10070808
Grounding line
Grounding line
Power supply Power supply
Connecting wiring:AWG12X5. Power Cable:AWG12X3.
Connecting wiring:AWG12X4+AWG18X2.
Service Manual - Page 22
10070808
WIRING DIAGRAM INDOOR UNIT
WIRING DIAGRAM OF INDOOR UNIT
ION GENERATOR
FAN MOTOR
M
LOUVER MOTOR
M
CN4
COMP
N
L
CN1 CN2
SW1 CN3 CN7 CN8 CN9
PCB
CN10 CN12
NOTING：
1 ONLY COOLING TYPE DOESN'T HAVE THE DOTTED LINE.
2 THE DASHED UNIT IS OPTIONAL UNIT.
1 2 3 45
wwwww
TO OUTDOOR UNIT
REV
R:RED W:WHITE B:BLACK BL:BLUE BR:BROWN
20
Service Manual - Page 23
OUTDOOR UNIT
Edition:10070808
WIRING DIAGRAM OF OUTDOOR UNIT
0010510468
B
B RR
～ SCM C
W
W
R
B
R BR
～M w
B
B W
1 234 5 67
GG
TO INDOOR UNIT
L2(N) L1(L)
Grounding line
Y/G:YELLOW/GREEN R:RED BL:BLUE Y:YELLOW B:BLACK BR:BROWN W:WHITE
Note: Because of the difference of compressor, the dotted line part may not exist.
21
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