Haier H2SM-14HC03/R2 User manual

Domestic Air Conditioner
SERVICE MANUAL
Models :
H2SM-14HC03/R2
Features
Comfortable:wide-angle airflow
Health air purifying
Quiet operation
Engergy efficient
Wide variety of functions
Serial Number: Versio n:00.00 Edition: 2005-3-25
H2SM-18HC03/R2

Content
1. Description of product model coding and series introduction
2. Specifications
3. Curves of performance
4. Description,net dimensions and functions of main component s
and accessories
5.Brief introduction to electrical control functions
6.Abnormity diagnose
7.Wiring diagram
8.Circuit diagram
9.Trouble shooting
10. Refrigerating cycle diagram
11. Noise level test chart and air velocity distribution
12. Installationmanual
Domestic Air Conditioner Model: H2SM-14HC03/R2
H2SM-18HC03/R2

Description of product model
coding and series introduction
Domestic Air Conditioner Model: H2SM-14HC03/R2
H2SM-18HC03/R2

No.
1
2
3
Operating condition
Norminal cooling
Norminal heating
Norminal electrical
heating
indoor air status
DBOC WBOC
20OC 15OC
DBOC WBOC
7OC 6OC
outdoor air status
--- --- --- ---
B.Standard Situation/Conditions
27OC 19OC 35OC 24OC
A. Description of coding rules of unit model
The type of power supply
Developing sequence
Function code
H-heat pump
e-electric aided heating
numbers based on thousand unit
The structure code of indoor & outdoor unit
H-Abbreviation of Haier
345678
1910
C-cooling only
Examples:
H2SM-18HB03/R2,It represents wall-mounted multi-type split type room air conditioner.The cooling capacity
is 18000BTU/h,and the power supply is 220-230V/50Hz,”B” means the improvement
2
The quantity of the indoor unit is two
Domestic Air Conditioner Model: H2SM-14HC03/R2
H2SM-18HC03/R2

C.Series brief introduction
1.comfortable:wide-angle airflow
The vertical dual-flap and horizontal wide-angle louvers ensure the cool(warm air reaches every
corner of the room.
2.Health air purifying and negative ion function
An air purifying filter with deodorizing and disinfecting functions keeps the air clean and users
healthy.The negative ion generator can produce the negative ion that make the air fresher and cleaner.
3.Quiet operation
Fan With Random-pitched Blades.
Random-pitched blades help reduce operating noise while maintaining a high airflow rate.
2.Engergy efficient
The design of inner-grooved copper tube greatly increases the refrigerant contact area and the
efficiency of cooling/heating functions.
5.Convenience
Auto restart and washable panel:
The grille can be removed easily and washed when necessary.Any series have the function then
even if the power falls when the unit is operating unit will automatically return to the operating
settings in use before the power failure when power is restored.
6.Wide variety of functions
24-Hour Timer:
24-hour timer allows users to select the exact time they would like the air conditioner to turn on
and to turn off.Timers on previous models operation based on the number of hours of desired
operation.
7.Night-set models
When the air conditioner is operationg on the timer-off circuit.The preset room temperature
gradually rises(going down in heating)before the unit stops as shown delow.Users can sleep
comfortably without sudden change in temperature.
8.Program”dry”
This function automatically reduces the level of humidity while maintaining the preset indoor
temperature.
Domestic Air Conditioner Model: H2SM-14HC03/R2
H2SM-18HC03/R2

Specifications
Domestic Air Conditioner Model: H2SM-14HC03/R2
H2SM-18HC03/R2

CURVES OF PERFORMANCE
Domestic Air Conditioner Model: H2SM-14HC03/R2
H2SM-18HC03/R2

Performance Curve ReturnGas Temperature 35
Model 39A173A Subcooling 8.3
Power Supply 220-230V / 50Hz / 1PH
RunCapacitor 25 F/ 370 VAC AmbientTemperature 35
Cond. Temperature
800
970
1140
1310
1480
1650
1820
1990
2160
2330
2500
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Capacity (Kcal/Hr)
45
50
55
60
550
585
620
655
690
725
760
795
830
865
900
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Power (Watts)
2.50
2.65
2.80
2.95
3.10
3.25
3.40
3.55
3.70
3.85
4.00
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Current (Amps)
20.0
23.5
27.0
30.5
34.0
37.5
41.0
44.5
48.0
51.5
55.0
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Evaporating Temperature()
Flow (Kg/Hr)
C
C
C
C
O
C
O
C
O
C
O
C
50
55
60
OC
OC
O
C
O
C
45
50
45
55
60
O
C
O
C
O
C
O
C
60
O
C
55
OC
50
OC
O
C
45
Domestic Air Conditioner Model: H2SM-14HC03/R2
H2SM-18HC03/R2