Haier HSU-22H03/R2(DB) User manual

Domestic Air Conditioner
SERVICE MANUAL
Models
HSU-22H03/R2(DB)
lFeatures
lComfortable:wide -angle airflow
lhealth air purifying
lquiet operation
lenergy efficient
Serial Number: Version:00.00 Edition: 2005-11-16

Content
1. Description of product model coding and series introduction--3
2. Specifications -------------------------------------------------------------6
3. Curves of performance of compressor-------------------------------8
4. Description, net dimensions and functions of main components
and accessories------------------------------------------------------------10
5. Knock-down drawings and part lists---------------------------------13
6. Brief introduction to electrical control functions ------------------18
7.
Abnormity diagnosis -------------------------------------------------------- 36
8. ----------------------------------------------------------30
9.
Circuit diagram ------------------------------------------------------------33
10.Trouble shooting ------------------------------------------------------------38
11. Refrigerating cycle diagram ------------------------------------------40
12. Noise level test chart and air velocity distribution -------------------------- 42
13. Installation manual -----------------------------------------------------45
Domestic Air Conditioner Model: HSU-22H03/R2(DB)
Wiring diagram
2

DESCRIPTION OF
PRODUCT MODEL CODING
& SERIES INTRODUCTION
3
Model: HSU-22H03/R2(DB)Domestic Air Conditioner

4
Introductory Remarks
Description of coding rules of unit model
Coding rules and descriptions are as follows:
Applicable frequency:0(50HZ),1(60HZ)
Applicable voltage:3(220~230V),4(240V)
Refrigerant type:R1(R407C),R2(R410A)
Developing sequence :A,B,C,D...
Function code
R/H-heat pump
E-electric aided heating
Nominal cooling capacity (BTU/h)with the first two
numbers based on thousand unit
The structure code of indoor & outdoor unit:
S(wall-mounted),W(window type),P (cabinet type)
H-Abbreviation of Haier
234567
189
L/C-cooling only
10 11
Examples:
HSU-22H03/R2(DB) represents wall-mounted split type heat pump DC inverter air conditioner.
The cooling capacity is 22000BTU/h and the power supply is 230V/50Hz
the refrigerant is R410A.
Model: HSU-22H03/R2(DB)Domestic Air Conditioner

No.
1
2
3
Operating condition
Norminal cooling
Norminal heating
Norminal electrical
heating
indoor air status
DBOC WBOC
20OC Not control
DBOC WBOC
7OC 6OC
outdoor air status
--- --- --- ---
Standard Situation/Conditions
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
An air purifying filter with deodorizing and disinfecting functions keeps the air clean and users
healthy.
3.Quiet operation
Fan With Random-pitched Blades.
Random-pitched blades help reduce operating noise while maintaining a high airflow rate.
4.Energy 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 and washed easily when necessary. With Auto restart function the
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 are based on the number of hours of desired
operation.
7.Night-set models
When the air conditioner is operating on the timer-off circuit.The preset room temperature
gradually rises (going down in heating) before the unit stops as shown below. 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.
27OC 19OC 35OC 24OC
Model:HSU-22H03/R2(DB)Domestic Air Conditioner
Description of product model coding and series introduction

Specifications
Model:HSU-22H03/R2(DB)Domestic Air Conditioner

Domestic Air Conditione Model: HSU-22H03/R2(DB)
Specifications
Model: HSU-22H03/R2(DB)
Cooling capacity(W) 6000(720-6300)W Heating capacity(W) 6200W(1080-7750)W
Cooling coefficient (W/W) 3.03 Heating coefficient(W/W) 3.01
Cooling power input (W) 1980(310-2450)W Heating power input(W) 2060W(430-2600)W
Moiture removal (m/h)32.3 X10-3Frequency range(Hz) 50
Operating voltage range V( )230 Refrigerant type R410A
Operating temp.range OC( ) -7-43 Air sending angle 60O
indoor unit Cross flow fan
Variation of temp.adjust OC( ) +1 Fan type outdoor unit Axial flow fan
Climate type: T1 Class of electric shock I
Indoor unit noise
(cooling) 44/39/37 Outdoor unit noise (cooling) 56
Indoor unit noise
(heating) 44/39/37 Outdoor unit noise
(heating) 56
Net dimensions mm
(indoor unit) 938×182×265 Net dimensions mm (outdoor unit) 810×288×680
Packaging dimensions mm
(indoor unit) 990×260×315 Packaging dimensions mm (outdoor unit) 915×325×699
Net/gross weight (kg)
(indoor unit) 11/14 Net/gross weight (kg) (outdoor unit) 45/53
Max. mounting height indoor unit 8
difference(m) 5Piling layers
outdoor unit
4
1900 Current entering side
(indoor/outdoor) indoor
Refrigerant charge(g)
(R410A)
Frequency of filter cleaning Once/2 weeks Max. refrigerant charge (g) 15
Compressor model
C-6RVN93H0N Compressor manufacturer HUARUN
Compressor oil charge (cc)
350(poe)
Compressor protector type Internal
length(mm)
2000
Maxi. length of connecting
pipe (m)
15
drain hose
diametre(mm) 16
Cap. tube type muffle
model: TP2YType of tube of evaporator and condenser Internal
thread
Fan speed(H/M/L)(r/min) cool 13 5 0/12 5 0/ 115 0Size of tube of evaporator
(indoor unit) heat 13
5 0/12 5 0/ 115 0and condenser(mm)
Ø6.35 / Ø 12.7
Fan speed(r/min)
(outdoor unit) 760 Appearance features of indoor
unit plastic
two-way 1/4
Appearance features of outdoor
Cut-off vavle(inch) three-way
1/2
unit metal
Max. operating pressure at Max. operating pressure at
warm side(Mpa) 4.15 cool side(Mpa) 4.15
Model: HSU-22H03/R2(DB)Domestic Air Conditioner

Curves of performance of compressor
8
Curves of performance of compressorCurves of performance of compressor
Model: HSU-22H03/R2(DB)Domestic Air Conditioner

150
90
100
110
120
130
140
Curves of cooling capacity and heating capacity as a function of outdoor
temperature(-7OC~43OC)
15
20
25
15
20
25
Model:HSU-22H03/R2(DB)Domestic Air Conditioner
9

Description,dimensions and functions of
main components and accessories
10
Model: HSU-22H03/R2(DB)Domestic Air Conditioner

Model: HSU-22HV03/R2(DB)Domestic Air Conditioner
Inlet grille
Air filter
Vertical flap Power indicator Timer mode indicator Operation mode indicator
Remote signal receiver
Emergency switch(manual)
Test running switch(manual)
Use remote controller to
adjust up and down air flow.
(Don't adjust it manually.) Lights up when unit starts. Lights up when Timer operation
is selected. Lights up during compressor
running.
A beeping sound is generated when
a signal from remote controller is
received.
Used when remote controller is lost or
defective. Unit will run temporarily.
Used only for test running in cooling
when room temp. is below 16oC.
Don't use it in normal operation.
For model: HSU-22H03/R2(DB)
11

938
265
Indoor unit for HSU-22H03/R2(DB)
NET DIMENSIONS:
182
12
Domestic Air Conditioner
Model: HSU -22H03/R2(DB)
NET DIMENSIONS: outdoor unit for HSU-22H03/R2(DB)
583
113.5
690
810

Knock-down drawings and part lists
13
Model:HSU-22H03/R2(DB)Domestic Air Conditioner

Model: HSU-22H03/R2(DB)Domestic Air Conditioner
14

No. in
explode
d view
Spare parts
number
Spare parts description
in english Model Qty. Failure rate
The proportion
of the spare
part stock
remark
1 0010807073 Indoor elecrtic box HSU-22H03/R2(DB) １0.0 X
20010403617 PCB HSU-22H03/R2(DB) １0.1
3001A0600287 Riever HSU-22H03/R2(DB) １0.2 *
4001A1431717 Motor cover HSU-22H03/R2(DB) １0.2 *
5001A3900059 Coil cover HSU-22H03/R2(DB) １0.0 X
60010400633 transformer HSU-22H03/R2(DB) １0.1
7001A40001６１ Terminal block HSU-22H03/R2(DB) １0.2 *
8---- Wires HSU-22H03/R2(DB) １0.1
9001A1231134 Front panel HSU-22H03/R2(DB) １0.2 *
10 001A1231135 Front grille HSU-22H03/R2(DB) １0.1
11 001A0100276 Frame assy. HSU-22H03/R2(DB) １0.1
12 001A1431494 Service cover HSU-22H03/R2(DB) １0.1
13 001A3000088 Motor cover HSU-22H03/R2(DB) １0.1
14 0010202227 Fan HSU-22H03/R2(DB) １0.2 *
15 001A0300005 Bearing HSU-22H03/R2(DB) １0.2 *
16 001A0900104 Drain horse HSU-22H03/R2(DB) １0.2 *
17 001A3000008 Motor cover HSU-22H03/R2(DB) １0.1
18 001A1231139 Flap HSU-22H03/R2(DB) １0.1
19 001A0900011 Dain horse HSU-22H03/R2(DB) １0.1
20 0010707193 Heat exchanger HSU-22H03/R2(DB) １0.1
21 001A2400080 Air filter HSU-22H03/R2(DB) 10.1
22 0010101275 Mounting plate HSU-22H03/R2(DB) １0.1
23 001A1431368 Piping support HSU-22H03/R2(DB) １0.1
24 001A1431038 Piping clamp HSU-22H03/R2(DB) １0.2 *
25 0010403894 Remote controller HSU-22H03/R2(DB) １0.2 *
26 001A1434039 Drain horse HSU-22H03/R2(DB) １0.1
27 001A1231140 Flap HSU-22H03/R2(DB) １0.1
3,possible damaged:The spare-part which is not often damaged like the easy damaged one and the customer may
stock in the spare-part warehouse accord with the actual case,should be marked with " ".
4,not need provided :The spare-part which is seldom damaged or the maintenance man could not maitmains.The
spare parts may be air freighted by the factory if they were damaged.The customer nees not stock in the spare-part
warehouse,should be marked with " x ".
5,Above should be improved accord with the reply of the market half a year per time.
6.The spare parts price on net is FOB Qingdao term.
2,easy-damaged;The spare-part which is often damaged and the customer must stock in the spare-parts
warehouse,and should be marked with"*"
Domestic Air Conditioner
1,The failer rate and the proportion of the spare-part stock are regarded as the reference of the stock for spare-
parts;The first time should be stocked accroded with the proportion of the spare-parts,and it should be adjusted with
the actual quantity 3 months later.
HSU-22H03/R2(DB)
15

3
4
5
2
2
6
7
8
9
11
10
1
2
13
1
12
14
5
1
17
6
1 1
8
9
2
2 2
1
2
3
4
2
5
2
6
0
KNOCK-DOWM DRAWINGS FOR OUTDOOR UNIT
Model: HSU-22H03/R2(DB)Domestic Air Conditioner
16

Model:
Edition:2005/11/16
No. in
exploded
view
Spare parts number Spare parts description in
english Model Qty Failure rate(%)
The proportion
of the spare
part stock
Remark
1001A1303126A Front grille HSU-22H03/R2(DB) 1outdoor
2001A1101038 Front panel HSU-22H03/R2(DB) 1outdoor
3001A2331024 Axial fan HSU-22H03/R2(DB) 1outdoor
4 0010403895 Motor HSU-22H03/R2(DB) 1outdoor
5001A1301133 Bracket for fan motor HSU-22H03/R2(DB) 1outdoor
6 0010705512 Condenser HSU-22H03/R2(DB) 1outdoor
7001A0100356 Side panel(left) HSU-22H03/R2(DB) 1outdoor
8001A1436182 Handle HSU-22H03/R2(DB) 1outdoor
9001A0100124 Panel(top) HSU-22H03/R2(DB) 1outdoor
10 001A0100125 Service cover HSU-22H03/R2(DB) 1outdoor
11 001A0100997 Side panel(fight) HSU-22H03/R2(DB) 1outdoor
12 0010806797 Electric box assy. HSU-22H03/R2(DB) 1outdoor
13 0010703520 4-wan valve coil HSU-22H03/R2(DB) 1outdoor
14 --- Tube assy HSU-22H03/R2(DB) 1outdoor
14-1 0010706999 Discharging tube assy. HSU-22H03/R2(DB) 1outdoor
14-2 0010707000 Suction tube HSU-22H03/R2(DB) 1outdoor
14-3 0010707001 Suction tube assy. HSU-22H03/R2(DB) 1outdoor
14-4 0010707002 Discharging tube assy. HSU-22H03/R2(DB) 1outdoor
15 0010706999 Capillary assy. HSU-22H03/R2(DB) 1outdoor
16 0010705987 Service valve HSU-22H03/R2(DB) 1outdoor
17 0010705989 Service valve HSU-22H03/R2(DB) 1outdoor
18 --- Nut HSU-22H03/R2(DB) 1outdoor
19 --- Service cover HSU-22H03/R2(DB) 1outdoor
20 --- Nut HSU-22H03/R2(DB) 1outdoor
21 0010707200 Compressor HSU-22H03/R2(DB) 1outdoor
22 --- Rubber cushion HSU-22H03/R2(DB) 1outdoor
23 --- Wire group HSU-22H03/R2(DB) 1outdoor
24 001A17621543 Pad HSU-22H03/R2(DB) 1outdoor
25 0010806754 Bottom plate assy. HSU-22H03/R2(DB) 1outdoor
26 0010800009 Separating plate HSU-22H03/R2(DB) 1outdoor
6.The spare parts price on net is FOB Qingdao term.
4,not need provided :The spare-part which is seldom damaged or the maintenance man could not maitmains.The spare parts may be air
freighted by the factory if they were damaged.The customer nees not stock in the spare-part warehouse,should be marked wit
1,The failer rate and the proportion of the spare-part stock are regarded as the reference of the stock for spare-parts;The first time should
be stocked accroded with the proportion of the spare-parts,and it should be adjusted with the actual quantity 3 m
2,easy-damaged;The spare-part which is often damaged and the customer must stock in the spare-parts warehouse,and should be marked
with"*"
3,possible damaged:The spare-part which is not often damaged like the easy damaged one and the customer may stock in the spare-part
warehouse accord with the actual case,should be marked with " ".
Domestic Air Conditioner
HSU-22H03/R2(DB)
5,Above should be improved accord with the reply of the market half a year per time.
17

18
Brief introduction to electrical
control functions
Model: HSU-22H03/R2(DB)Domestic Air Conditioner

One. Basic Control
1. Function Display
Lights up when unit starts.Lights up when Timer operation is selectedn；
Red
2. Temperature Adjustment Function
In temperature adjustment function, operation frequency of outdoor unit is
determined based on indoor temperature and set temperature.
During wind speed adjustment, indoor fan PI（D）is controlled as per the needs of
temperature adjustment.
3. Compressor Off
Compressor is off when indoor temperature is 1o above set temperature (heating
mode) / 1o below set temperature (cooling mode).
4. Compressor On
Compressor is on when indoor temperature is -0.67o below set temperature (heating
mode)/ 0.67o above set temperature (cooling mode).
5. Remote Control Operation
In remote control, if temperature changes, PI operation will start in 2s.
If change of set temperature is towards compressor off, compressor will shut down
when it falls into compressor-off temperature range.
6. Indoor Fan Rotate Speed
Mode Wind Speed Rotate Speed（rpm）
Weak 650
Low 950
Middle 1050
High 1150
Heating
Super High --
Weak 650
Low 950
Middle 1050
High 1150
Cooling
Super High --
Low 950
Middle 1050
Ventilation
High 1150
Cooling 1350
Rated Heating 1350
Model: HSU-22H03/R2(DB)Domestic Air Conditioner
19

Two. Operation Mode:
1. Half-automatic Operation Mode
Half-automatic function is based on original automatic function.
a. Cooling & Heating Model Unit
When system is on and operation mode switches to automatic, the system will
determine operation mode based on the difference of current set temperature and room
temperature and will start operation as per mode determined. In the following selective
conditions, Tr represents room temperature and Ts represents set temperature.
Upon initial entry into automatic mode, operation mode is selected as per the
following conditions:
Tr≥Ts-3℃Cooling mode is selected
Tr＜Ts-3℃Heating mode is selected
When entering automatic mode, the system can switch between cooling and
heating mode corresponding to change of roomtemperature: If the unit is currently in
cooling mode, compressor will shut down when temperature falls into compressor off
temperature range. 15 minutes after compressor is off, compressor will perform
temperature check, at which time if Tr＜Ts-3℃the system will enter heating mode
otherwise it will remain in cooling mode. If the unit is currently in heating mode,
compressor will shut down when temperature rises into compressor off temperature
range. 15 minutes after compressor is off, compressor will perform temperature check, at
which time if Tr＞Ts+3℃the system will enter cooling mode otherwise it will remain in
heating mode.
2.Cooling Mode:
*Temperature Control Range:16℃---30℃
*Temperature Difference: ±1℃
*In the first 2 minutes after compressor starts, it is not under the control of
temperature sensor.
*Control Feature: When Tr（air intake）>Ts（set）℃,compressor external air fan is on,
indoor fan operates at set speed.
When Tr（air intake）<Ts（set）,compressor external air fan is off,
indoor fan operates at set speed.
When Tr= Ts, the system will remain its original state.
*Wind Speed Control:（temperature difference 1℃）
Automatic: When Tr>=Ts+3℃, high wind；
When Ts+1℃≤Tr Ts+3 ℃, middle wind；
When Tr<Ts+1℃, low wind
Temperature sensor is off and air fan is in low wind speed
Manual: High, middle, low and automatic wind may be set as needed when
unit is on. (The unit will act 5s after receiving remote control signal.)
*Compressor Control: Compressor is not under the control of temperature sensor in
the first 2 minutes after it starts and compressor can only restart at least 3 minutes after it
shuts down. There is no 3-minute protection at initial energization. (There are power
cutoff compensation and 3-minute protection features).
Model: HSU-22H03/R2(DB)Domestic Air Conditioner
20