Haier D Series User manual
Domestic air conditioner
SERVICE MANAUL
Wall Mounted Type
D-Series
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
Repair the product or products dealt with in this service information by anyone else could result in serious injury or death
WARNING
2016(Qingdao Haier Air Conditioner General corp. , Ltd)
All rights reserved. Unauthorized copying and distribution is a violation of law
Haier Group Version˖V1 Date˖2016-11-02
1U09JEDFRA
1U12JECFRA
1U25S2PJ1FA
1U35S2PJ1FA
Model No.
Contents
Domestic air conditioner
Contents
1.Introduction.............................................................................................1
2.Specifications..........................................................................................7
3.Sensors list .............................................................................................8
4.Pinping diagrams....................................................................................9
5.Operation range....................................................................................10
6.Printed Circuit Board Connector Wiring Diagram.................................11
7.Outdoor Functions and Control.............................................................17
8.Dimensional drawings...........................................................................29
10.Service Diagnosis...............................................................................30
11.Performence and cerves diagrams.....................................................44
12.Sound level.........................................................................................60
13.Circuit diagrams..................................................................................61
Introduction
1Domestic air conditioner
1.Introduction
1.1 Model name explanation
1 U 0 9 J E D F AR
The maximum combination number
Type of outdoor unit : U (normal type)
Nominal cooling capacity (9000BTU/h)
Platform of outdoor units: 40 platform
Europe
Version number
Heat pump & R32 refrigerant
DC inverter
Apply toT1; 220~240V50HZ/1ph
1 U 1 2 J E D F AR
The maximum combination number
Type of outdoor unit : U (normal type)
Nominal cooling capacity (12000BTU/h)
Platform of outdoor units: 40 platform
Europe
Version number
Heat pump & R32 refrigerant
DC inverter
Apply toT1; 220~240V50HZ/1ph
Introduction
2Domestic air conditioner
1.2 Safety Cautions
Be sure to read the following safety cautions before conducting repair work.
The caution items are classified into “Warning” and “Caution”. The “Warning” items are especially important
since they can lead to death or serious injury if they are not followed closely. The “Caution” items can also
lead
to serious accidents under some conditions if they are not followed. Therefore, be sure to observe all the
safety
caution items described below.
About the pictograms
Ƹ This symbol indicates an item for which caution must be exercised.
The pictogram shows the item to which attention must be paid.
żThis symbol indicates a prohibited action.
The prohibited item or action is shown inside or near the symbol.
ƔThis symbol indicates an action that must be taken, or an instruction.
The instruction is shown inside or near the symbol.
After the repair work is complete, be sure to conduct a test operation to ensure that the equipment operates
Normally, and explain the cautions for operating the product to the customer.
1.2.1 Caution in Repair
Warning
Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for
a repair.
Working on the equipment that is connected to a power supply can cause an electrical shook.
If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits, do not
touch any electrically charged sections of the equipment.
If the refrigerant gas discharges during the repair work, do not touch the discharging refrigerant gas .The
refrigerant gas can cause frostbite.
When disconnecting the suction or discharge pipe of the compressor at the welded section, release the
refrigerant gas completely at a well-ventilated place first.
If there is a gas remaining inside the compressor , the refrigerant gas or cooling machine oil discharges
when the pipe is disconnected, and it can cause injury.
If the refrigerant gas leaks during the repair work, ventilate the area. The refrigerant gas can generate
toxic gases when it contacts flames.
The step-up capacitor supplies high-voltage electricity to the electrical components of the outdoor unit.
Be sure to discharge the capacitor completely before conducting repair work . A charged capacitor can
cause an electrical shock.
Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug.
Plugging or unplugging the power cable plug to operate the equipment can cause an electrical shock or
fire.
Introduction
3Domestic air conditioner
Warning
Do not repair the electrical components with wet hands . Working on the equipment with wet hands can
cause an electrical shock
Do not clean the air conditioner by splashing water. Washing the unit with water can cause an electrical
shock.
Be sure to provide the grounding when repairing the equipment in a humid or wet place, to avoid
electrical
shock.
Be sure to turn off the power switch and unplug the power cable when cleaning the equipment. The
internal fan rotates at a high speed, and cause injury.
Do not tilt the unit when removing it. The water inside the unit can spill and wet the furniture and floor.
Be sure to check that the cooling cycle section has cooled down sufficiently before conducting repair
work. Working on the unit when the cooling cycle section is hot can cause burns.
Use the welder in a well-ventilated place. Using the welder in an enclosed room can cause oxygen
deficiency.
1.2.2 Cautions Regarding Products after Repair
Warning
Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to
conduct repair work. Never attempt to modify the equipment. The use of inappropriate parts or tools can
cause an electrical shock, excessive heat generation or fire.
When relocating the equipment, make sure that the new installation site has sufficient strength to
withstand the weight of the equipment.
If the installation site does not have sufficient strength and if the installation work is not conducted
securely, the equipment can fall and cause injury.
Be sure to install the product correctly by using the provided standard installation frame.
Incorrect use of the installation frame and improper installation can cause the equipment to fall, resulting
in injury.
For
integral
units only
Be sure to install the product securely in the installation frame mounted on a window frame.
If the unit is not securely mounted, it can fall and cause injury.
For
integral
units only
Introduction
4Domestic air conditioner
Warning
Be sure to use an exclusive power circuit for the equipment, and follow the technical standards related to
the electrical equipment, the internal wiring regulations and the instruction manual for installation when
conducting electrical work.
Insufficient power circuit capacity and improper electrical work can cause an electrical shock or fire.
Be sure to use the specified cable to connect between the indoor and outdoor units. Make the
connections securely and route the cable properly so that there is no force pulling the cable at the
connection terminals.
Improper connections can cause excessive heat generation or fire.
When connecting the cable between the indoor and outdoor units, make sure that the terminal cover
does
not lift off or dismount because of the cable.
If the cover is not mounted properly, the terminal connection section can cause an electrical shock,
excessive heat generation or fire.
Do not damage or modify the power cable.
Damaged or modified power cable can cause an electrical shock or fire. Placing heavy items on the
power cable, and heating or pulling the power cable can damage the cable.
Do not mix air or gas other than the specified refrigerant (R-410A / R22) in the refrigerant system.
If air enters the cooling system, an excessively high pressure results, causing equipment damage
and injury.
If the refrigerant gas leaks, be sure to locate the leak and repair it before charging the refrigerant. After
charging refrigerant, make sure that there is no refrigerant leak.
If the leak cannot be located and the repair work must be stopped, be sure to perform pump-down and
close the service valve, to prevent the refrigerant gas from leaking into the room. The refrigerant gas
itself
is harmless, but it can generate toxic gases when it contacts flames, such as fan and other heaters,
stoves and ranges.
.
When replacing the coin battery in the remote controller, be sure to disposed of the old battery to prevent
children from swallowing it.
If a child swallows the coin battery, see a doctor immediately.
Introduction
5Domestic air conditioner
Caution
Installation of a leakage breaker is necessary in some cases depending on the conditions of the
installation site, to prevent electrical shocks.
Do not install the equipment in a place where there is a possibility of combustible gas leaks.
If a combustible gas leaks and remains around the unit, it can cause a fire.
Be sure to install the packing and seal on the installation frame properly. If the packing and seal are not
installed properly, water can enter the room and wet the furniture and floor.
1.2.3 Inspection after Repair
Warning
Check to make sure that the power cable plug is not dirty or loose, then insert the plug into a power outlet
all the way.
If the plug has dust or loose connection, it can cause an electrical shock or fire.
If the power cable and lead wires have scratches or deteriorated, be sure to replace them.
Damaged cable and wires can cause an electrical shock, excessive heat generation or fire.
Warning
Do not use a joined power cable or extension cable, or share the same power outlet with other electrical
appliances since it can cause an electrical shock, excessive heat generation or fire.
Introduction
6Domestic air conditioner
Caution
Check to see if the parts and wires are mounted and connected properly, and if the connections at the
soldered or crimped terminals are secure. Improper installation and connections can cause excessive
heat generation, fire or an electrical shock.
If the installation platform or frame has corroded, replace it. Corroded installation platform or frame can
cause the unit to fall, resulting in injury.
Check the grounding, and repair it if the equipment is not properly grounded. Improper grounding can
cause an electrical shock.
Be sure to measure the insulation resistance after the repair, and make sure that the resistance is 1 M
ohm or higher.
Faulty insulation can cause an electrical shock.
Be sure to check the drainage of the indoor unit after the repair.
Faulty drainage can cause the water to enter the room and wet the furniture and floor.
1.2.4 Using Icons
Icons are used to attract the attention of the reader to specific information. The meaning of each icon is described in
the table below:
1.2.5 Using Icons List
Icon Type of Information Description
Note Note A “note” provides information that is not indispensable, but may
nevertheless be valuable to the reader, such as tips and tricks.
Caution Caution
A “caution” is used when there is danger that the reader, through
incorrect manipulation, may damage equipment, loose data, get
an
unexpected result or has to restart (part of) a procedure.
Warning Warning A “warning” is used when there is danger of personal injury.
Reference A “reference” guides the reader to other places in this binder or in
this manual, where he/she will find additional information on a
specific topic.
Specification
7Domestic air conditioner
2.Specifications
NOMINAL DISTRIBUTION SYSTEM VOLTAGE
Phase / 1
Frequency Hz 50
Voltage V 230
NOMINAL CAPACITY and NOMINAL INPUT
Cooling(09K/12K) heating(09K/12K)
Capacity rated KW 2.60/3.50 2.60/4.20
Btu/h 8870/11940 8870/14330
Power Consumption(Rated) KW 0.65/0.87 0.64/1.05
SEER/SCOP W/W 8.5/A+++
5.1/A+++(09K)
4.6/A++(12K)
Annual energy consumption KWh 107/144 716/973
Moisture Removal m³/h 1.2*10ε嘓/1.6*10ε嘓
TECHNICAL SPECIFICATIONS-UNIT
Dimensions H*W*D mm 820×338×614
Packaged
Dimensions H*W*D mm 963×413×685
Weight / KG 37.4
Gross weight / KG 41.1
Sound level Sound peessure dB 46
Sound power dB 62
ELECTRICAL SPECIFICATIONS
Cooling(09K/12K) heating(09K/12K)
Nominal running current A 2.9/3.9 3.5/4.7
Maximum running current A 5.3/5.8 7.1/7.5
Starting current A 6.0 6.0
TECHNICAL SPECIFICATIONS-PARTS
cooling heating
Compressor
Type Rotary Compressor
Model GSD102UKQA6JT6
Motor output W 695
Oil type RM-LP56EG or equivalent
Oil charge volume L 0.32
Fan
Type Axial fan
Motor output W 50
Air flow rate(high) m³/h 2100
Speed(high/low) rpm 850/300
Specification
8Domestic air conditioner
Heat
exchanger Type ML fin-ij7HI-HX tube
Row*stage*fitch 2*26*1.4
TECHNICAL SPECIFICATIONS-OTHERS
Refrigerant
circuit
Refrigerant type R32
Refrigerant charge KG 0.95
Maximum allowable distance
between indoor an outdoor m 15
Maximum allowable level difference m 10
Refrigerant control EEV
Piping connections
(external diameter)
liquid mm ĭ6.35
gas mm ĭ9.52
drain mm ĭ16
Heat insulation type Both liquid and Gas pipes
Max. piping Length m 15
Max. Level Difference m 10
Chargeless m 5
Amount of Additional Charge of Refrigerant g/m 20
Note: the data are based on the conditions shown in the table below
cooling heating Piping length
Indoor: 27 DB/19 WBćć
Outdoor: 35 DB/24 WBćć Indoor:20 DBć
Outdoor:7DB/6WBćć 5m
3.Sensors list
type Description Qty
Ambient sensor Its used for detecting temperature of outdoor side 1
Suction sensor Its used for detecting suction pipe temperature of compressor to
adjust gas flowing 1
Defrosting sensor Its used for controlling outdoor defrosting at heating mode 1
Descharging sensor Its used for compressor in case of over-heat 1
Conversation formulae
Kcal/h= KW×860
Btu/h= KW×3414
cfm=m³/min×35.3
Piping diagrams
Domestic air conditioner
4Pinping diagrams
EEV
EEV
Operation range
10Domestic air conditioner
5.Operation range
Wiringdiagrams
11Domestic air conditioner
6.Printed Circuit Board Connector Wiring Diagram
Connectors
PCB (1) (Outdoor Control PCB)
1 CN1 Connector for power N and L
2 CN2
3 CN3 Connector for ground
4 CN23 Connector for DC POWER 15Vand 5V to the module board
5 CN9 Connector for CN2,CN1 on the module board
6 CN10
7 CN22 Connector for fan moto
8 CN11 Connector for four way valve coil
9 CN17 Connector for thermistors
10 CN47
11 CN24 Connector for communicate between the control board and the module board
12 CN26 Connector to P and N of the module board
13 CN25
14 CN36 Connector for communicate between indoor and outdoor unit
15 CN15 Connector for electric expansion valves
16 CN50 Connector for DRED-control
17 CN45 Connector for heating- protect wire of terminal block
18 CN48 underpan electric heating wire
19 CN49 compressor electric heating belt
Note: 09K -12Kseries needn’t connect with CN6 and CN7
Other Designations
1) FUSE 1, (25A, 250VAC); FUSE 2(1A, 250VAC)
2) LED 1 Keep light representative normal, if keep flash interval representative troubleAlarm
3) RV1, RV2, RV3 Varistor
Wiringdiagrams
12Domestic air conditioner
PCB (2) (Module PCB for 09-12K )
1 CN10 Connector for the DC power 5V and 15V form the control PCB
2 CN11 Connector for communicate between the control board and the module board
3 P (CN1) Connector for capacitance board
4 N (CN5)
5 LI (CN7), Connector for reactor
6 LO (CN6)
7 CN2 Connector for the U, V, W wire of the compressor
8 CN3
9 CN4
PCB (3) (Module PCB for 18-24K )
1 CN10 Connector for the DC power 5V and 15V form the control PCB
2 CN11 Connector for communicate between the control board and the module board
3 P (CN8) Connector for capacitance board
4 N (CN9)
5 LI (CN3) Connector for reactor
6 LO (CN4)
7 CN5 Connector for the U, V, W wire of the compressor8 CN6
9 CN7
Wiringdiagrams
13Domestic air conditioner
PCB (1)
CN1
CN2
CN36
CN24
CN10 CN9
CN22
CN11
CN17
CN50
CN47
CN23CN25CN28
CN3
CN15
CN7
CN6
CN45
CN48
CN49
Wiringdiagrams
14Domestic air conditioner
PCB (2)
09-12K
CN2
CN3
CN4
CN5
CN6 CN7
CN11
CN10
CN1
CN8 CN9
Wiringdiagrams
15Domestic air conditioner
PCB (3)
CN4 CN3
CN11
CN10
CN1
CN2
CN9
CN7
CN6
CN5
CN8
Wiring diagrams
16Domestic air conditioner
Wiring diagrams
Functions and control
17Domestic air conditioner
7.Outdoor Functions and Control
7.1 Main functions and control specification
7.1.1 The operation frequency of outdoor unit and its control
7.1.1.1 The operation frequency control of compressor
The operation frequency scope of compressor˖
Mode Minimun operation frequency Maximun operation frequency
Heating 25Hz 105Hz
Refrigeration 25Hz 69Hz
7.1.1.2 The starting of compressor
When the compressor is started for the first time, it must be kept under the conditions of 38Hzˈ
58Hz,88Hz for one minute (the overheating protection of the outdoor unit air-blowing temperature,
immediately decrease the frequency when the compressor is overflowing and releasing the pressure)ˈ
then it can be operated towards the target frequency. When the machine runs normally, there’s no
such process. After starting the compressor for operation, the compressor should run according to the
calculated frequency, and every determined frequency for protection should be prior to the calculated
frequency.
7.1.1.3 The speeds of increasing or decreasing the frequency of the compressor
The speed of increasing or decreasing the frequency rapidly 1 -----------1HZ/second
The speed of increasing or decreasing the frequency slowly 2 -----------1HZ/10seconds
7.1.1.4 The calculation of the compressor’s frequency
1˅The minimum/maximum frequency limitation
AˊWhile refrigerating: F-MAX-r is the maximum operation frequency of the compressor; F-MIN-r is the
minimum operation frequency of the compressor.
BˊWhile heating: F-MAX-d is the maximum operation frequency of the compressor; F-MIN-d is the
minimum operation frequency of the compressor.
2˅The frequency limitation which is affected by the environment temperature.
(Wh_c= environment temperature)
Heating mode:
Serial No. Temperature scope Frequency limitation
1 Wh_c<-12 Max_hz8 105HZ
2 Wh_c<-8 Max_hz7 99HZ
3 Wh_c<-2 Max_hz4 90HZ
4 Wh_c<5 Max_hz5 80HZ
5 Wh_c<10 Max_hz1 80HZ
6 Wh_c<17 Max_hz2 75HZ
7 Wh_c<20 Max_hz6 54HZ
8 Wh_c>˙20 Max_hz3 35HZ
Remarks: The above are the maximum frequency limitations of the complete appliance which are
Functions and control
18Domestic air conditioner
affected by the environment, and they have nothing to do with the ability of the indoor unit.
Refrigeration/dehumidification mode:
Serial No. Temperature scope Frequency limitation
1 Wh_c<16 Max_hz1 23HZ
1 Wh_c<22 Max_hz1 27HZ
1 Wh_c<28 Max_hz1 35HZ
2 Wh_c<32 Max_hz2 51HZ
3 Wh_c<40 Max_hz3 69HZ
4 Wh_c<48 Max_hz4 55HZ
5 Wh_c>=48 Max_hz5 40HZ
Remarks: the above are not only the maximum frequency limitations of the complete appliance
which are affected by the environment, but also the maximum ability limitation of the system. When the
starting ability is not the maximum, its maximum frequency limitation is calculated by the following
equations:
The frequency limitation which is affected by the temperature and under the condition of actual
ability˙the actual running system ability*the maximum frequency which is limited by the temperature
and under the condition of maximum ability/the maximum designing ability of the system
T=ě˄Ti*Pi˅/ěPi (Ti=|Tst_i the setting temperature - Tnh_i the indoor environment
temperature|; Pi˙i the ability of the indoor unit)
Refrigeration/dehumidification:
Heating mode˖
K=ě(Ki*Pi)/ěPi
The calculation of the actual output frequency:
when there is no healthy airflow: F= F-ED-*(rated frequency)hPhK
When the healthy airflow has been set: F =F-ED-*hPhK˄airflow speed˅hK˄healthy airflow˅
Notes:
When refrigerating, it is needed to satisfy
F-MIN-d(compressor’s Min_hz)< F<F-MAX-d(compressor’s Max_hz)
T <1 ˙1 ˙2 ˙3 >=4
The percentage of the
rated frequency P 60% 70% 80% 90% 100%
T <1 ˙1 ˙2 ˙3 >=4
The percentage of the
rated frequency P 60% 70% 80% 90% 100%
The indoor setting
airflow speed Low Medium High Strong Quiet Healthy
airflow
The percentage of the
rated frequency Ki 80% 90% 100% 115% 70% 60%
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