Haier 1U12BE2ERA User manual

Category
Split-system air conditioners
Type
User manual

This manual is also suitable for

SERVICE MANAUL
Wall Mounted Type
DC Inverter SUPER MATCH
1U12BE2ERA
HSU12VHGL-W
Model No.
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
2014 (Qingdao Haier Air Conditioner General corp. , Ltd)
All rights reserved. Unauthorized copying and distribution is a violation of law
Haier Group
VersionV1 Date2014-05-25
Contents
Domestic air conditioner
Contents
1. Introduction ............................................................................................1
2. Specifications.........................................................................................7
3. Sensors list ............................................................................................8
4. Piping diagrams .....................................................................................9
5. Operation range....................................................................................10
6. Printed Circuit Board Connector Wiring Diagram .................................11
7. Functions and Control...........................................................................
8. Dimensional drawings...........................................................................
9. Conter of gravity ...................................................................................
10. Installations.........................................................................................
11. Service Diagnosis ...............................................................................
12. Performance and cerves diagrams.....................................................
13. Sound level .........................................................................................
14. Circuit diagrams..................................................................................
16
6
0
5
2
3
5
3
1
30
30
6
1

Introduction

Domestic air conditioner
1 Introduction
1.1 Model name explanation
1 U 1 2 B E 2 E A R
The maximum combination number
Type of outdoor unit : U (normal type)
Nominal cooling capacity (12000BTU/h)
Platform of outdoor units: B (B platform)
Europe
Version number
Heat pump & R410A refrigerant
DC inverter
Apply toT1; 208~230V60HZ/1ph
1
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Introduction

Domestic 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
This symbol indicates an item for which caution must be exercised.
The pictogram shows the item to which attention must be paid.
This symbol indicates a prohibited action.
The prohibited item or action is shown inside or near the symbol.
This 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.
2
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Introduction

Domestic 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
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Introduction

Domestic 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.
Caution
Installation of a leakage breaker is necessary in some cases depending on the conditions of the
installation site, to prevent electrical shocks.
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Introduction

Domestic air conditioner
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.
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.
5
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Introduction

Domestic air conditioner
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.
6
Specification
Domestic air conditioner
2 Specifications
NOMINAL DISTRIBUTION SYSTEM VOLTAGE
1/esahP
06zHycneuqerF
032VegatloV
NOMINAL CAPACITY and NOMINAL INPUT
gnitaehgnilooc
Capacity rated
Btu/h
12000(4780-13300) 13500(5120-13990)
Power Consumption(Rated) Btu 4027 4095
37.54Btu/BtuPOC/REE
706449.6BtuhnoitpmusnocygrenelaunnA
h/³inlavomeRerutsioM
TECHNICAL SPECIFICATIONS-UNIT
Dimensions H*W*D in 2.56×0.80×1.77
Packaged
Dimensions
H*W*D in 3.02×1.1 5×2.03
68.64lb/thgieW
24.75.lb/thgiewssorG
Sound level
erusseepdnuoS
rewopdnuoS
ELECTRICAL SPECIFICATIONS
cooling heating
Nominal running current A 5.2 5.7
Maximum running current A 6.2 6.4
Starting current A 1.2 1.2
TECHNICAL SPECIFICATIONS-PARTS
gnitaehgnilooc
Compressor
rosserpmoCyratoRepyT
12DKZ290SR5ledoM
007BtutuptuorotoM
tnelaviuqeroS05VFepytliO
07.0galemulovegrahcliO
Fan
naflaixAepyT
136.5BtutuptuorotoM
6.1811h/³in)hgih(etarwolfriA
900/300mpr)wol/hgih(deepS
Heat
exchanger
Type
ML fin-φ9.52HI-HX tube
23.1*02*2hctif*egats*woR
7
3801859
62
62
dB(A)
37.54
dB(A)
/ /
40.6 *10
-9
Specification
Domestic air conditioner
TECHNICAL SPECIFICATIONS-OTHERS
Refrigerant
circuit
Refrigerant type R410a
Refrigerant charge lb 2.64
Maximum allowable distance
between indoor an outdoor
in 49.2
Maximum allowable level difference in 32.8
Refrigerant control Capillary
Piping connections
(external diameter)
liquid in Φ0.02
gas in Φ0.03
drain in Φ0.05
Heat insulation type Both liquid and Gas pipes
Max. piping Length in 49.2
Max. vertical Difference in 32.8
Chargeless in 32.8
Amount of Additional Charge of Refrigerant g/in 65.6
Intemational Protection degree IP 24
Note: the data are based on the conditions shown in the table below
htgnel gnipiP gnitaeh gnilooc
Indoor: 80.6°
F
DB/66.2°
F
W B
Outdoor: 95°
F
DB/75.2°
F
W B
Indoor:68°
F
DB
Ou t door : 44.6°
F
DB/ 42.8°
F
WB
16.4in
3Sensors list
type Description Qty
Ambient sensor Its used for detecti 1 edis roodtuo fo erutarepmet gn
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
1 taeh-revo fo esac ni rosserpmoc rof desu stI rosnes gnigrahcseD
Conversation formulae
Kcal/h= KW×860
Btu/h= KW×3414
cfm=m³/min×35.3
8
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Pinping diagrams

Domestic air conditioner
4Pinping diagrams

9
Operation range
Domestic air conditioner
5Operation range
10
F
F
68
86
104
122
64.4
109.4
114.8
50
68
86
60.8 73.4 89.6
50
68
86
14
19.4
23
32
41
50
59
68
77
75.2
°F
°F
16.4in
in

Wiring diagrams

Domestic air conditioner
6. Printed Circuit Board Connector Wiring Diagram
Connectors
PCB (1) Control PCB
series PCB connector Connect with load
1 CN1
Connector for power N and L
2 CN2
3 CN3 Connector for ground
4 CN4 Connector for communicate between indoor and outdoor unit
5 CN8
Connector for CN2,CN1 on the module board
6 CN9
7 CN10 Connector for four way valve coil
8 CN16 Connector for electric expansion valves
9 CN17
Connector for thermistors
10 CN18
11 CN19
12 CN20
13 CN21 Connector for fan motor
14 CN22 Connector for DC POWER 15Vand 5V to the module board
15 CN23
Connector for communicate between the control board and the module
board
16 CN24
Connector to P and N of the module board
17 CN26
Note: 09K series needn’t connect with CN16 and CN18
11
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Wiring diagrams

Domestic air conditioner
PCB (2) Module PCB
series PCB connector Connect with load
1 P (CN1)
Connector for capacitance board
2 N (CN5)
3 LO (CN6)
Connector for reactor
4 LI (CN7)
5 CN2
Connector for the U, V, W wire of the compressor
6 CN3
7 CN4
8 CN10 Connector for the DC power 5V and 15V form the control PCB
9 CN11
Connector for communicate between the control board and the module
board
Notes: Other Designations
PCB (1) (Control PCB)
1) FUSE 1, (25A, 250VAC); FUSE 2(1A, 250VAC)
2) LED 1 Keep light representative normal, if keep flash interval representative trouble Alarm
3) RV1, RV2, RV3 Varistor
12

Wiring diagrams

Domestic air conditioner
PCB (1)
CN1
CN2
CN3
CN22
CN8
CN9
CN21
CN10
CN17
CN18
CN19
CN20
CN23CN24 CN26
CN4
CN16
CN5 CN6
13
CN1
CN2
CN3
CN4
CN5




CN
6


6


CN7


PCB (2)




Do
m
Wiri
n
m
estic air c
o
n
g diagram
s
o
nditione
r
CN
CN
s
1
1
1
0
14

Functions and control

Domestic air conditioner
Wiring diagrams
W:WHITE
W
V
U
B
W
R
R
CN13
CN10
CN16
AMBIENT
SUCTION
BL
BL
CN20
CN15
CN14
P
E
CN22
C
N
1
C
N
5
CN6
CN7
CN26
CN24
CN10
BL
CN19
CN18
CN17
CN1
CN2
CN4
OR
CN23
CN11
C
N
4
C
N
3
C
N
2
CN3
CN9CN8
CN9
CN8
AC-LAC-N
AC-L
AC-N
OUTDOOR WIRING DIAGRAM
WARNING
CAUTION
DON'T TOUCH CAPACITOR, EVEN AFTER
PLUG-OFF ( DANGER OF ELECTRIC SHOCK)
The capacitor retains high
voltage even after the plug-off.
For your safety, be sure to wait
at least 5 minutes. after plug
off and use a tester to confirm
the voltage between connector P
and N(on module board) is less
than DC 10V before start
servicing.
PFC REACTOR
MODULE BOARD
MAIN CONTROL BOARD
AC FAN MOTOR
4-WAY VALVE
EXPANSION VALVE
ELECTRIC
Remarkthe dotted parts are
optional for different unit.
to double-way air
exchange motor
air exchange motor
to single-way
DEFROST
TEMP.SENSOR
TEMP.SENSOR
TEMP.SENSOR
COMPRESSOR DISCHARGE
TEMP.SENSOR
DC FAN MOTOR
CN21
3.15A/250VAC
F
U
S
E
2
CN11
Electric
Heating Cable
TO INDOOR UNIT
TERMINAL
BLOCK
POWER
CN36
Description
LED1 Flash
1
2
3
4
8
6
5
13
19
18
12
10
Times
24
25
Outdoor EEPROM error
The protection of IPM
Communication fault
Overcurrent protection
Overheat protection for
Over pressure or Overheat
Deviate from the normal
Exhaust temperature sensor failure
Ambient temperature sensor failure
of AC electricity
between the IPM and CBD
protection for the compressor
Power voltage is too high or low
exhaust temperature
Frost-removing temperature
sensor failure
for the compressor
Loop of the station detect error
Overcurrent of the compressor
Overcurrent protection for
single-phase of the compressor
BL(OR W)
(OR B)
BR
BL(OR W)
BR(OR B)
BL:BLUE
BR:BROWN
R:RED
B:BLACK
Y/G:YELLOW/GREEN
OR:ORANGE
15
Functions and control
Domestic air conditioner
7. 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
zH 09 zH63 gnitaeH
zH 08 zH63 noitaregirfeR
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
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)
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
1The minimum/maximum frequency limitation
AWhile cooling: F-MAX-r is the maximum operation frequency of the compressor; F-MIN-r is the
minimum operation frequency of the compressor.
BWhile heating: F-MAX-d is the maximum operation frequency of the compressor; F-MIN-d is the
minimum operation frequency of the compressor.
2The frequency limitation which is affected by the environment temperature.
(Wh_c= environment temperature)
Heating mode:
Serial No. Temperature scope Frequency limitation
1 Wh_F<10.4 Max_hz8 90HZ
2 Wh_F<17.6 Max_hz7 90HZ
3 Wh_F<28.4 Max_hz4 90HZ
4 Wh_F<41 Max_hz5 85HZ
5 Wh_F<50 Max_hz1 80HZ
6 Wh_F<62.6 Max_hz2 70HZ
7 Wh_F<68 Max_hz6 55HZ
8
Wh_F68
Max_hz3 45HZ
Remarks: The above are the maximum frequency limitations of the complete appliance which are
affected by the environment, and they have nothing to do with the ability of the indoor unit.
16
Functions and control
Domestic air conditioner
Cooling/dehumidification mode:
Serial No. Temperature scope Frequency limitation
1 Wh_F<82.4 Max_hz1 46HZ
2 Wh_F<89.6 Max_hz2 72HZ
3 Wh_F<104 Max_hz3 80HZ
4 Wh_F<118.4 Max_hz4 65HZ
5
Wh_F118.4
Max_hz5 46HZ
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
abilitythe 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
ΔT=∑(ΔTi*Pi/Pi (ΔTi=|Tst_i the setting temperature - Tnh_i the indoor environment
temperature|; Pii the ability of the indoor unit)
Cooling/dehumidification mode:
Heating mode
K=(Ki*Pi)/Pi
The calculation of the actual output frequency:
when there is no healthy airflow: F= F
-ED-*(rated frequency)×P×K
When the healthy airflow has been set: F =F-ED-*×P×Kairflow speed)×Khealthy airflow
Notes:
When cooling, it is needed to satisfy
F-MIN-d(compressor’s Min_hz)< F<F-MAX-d(compressor’s Max_hz)
When heating, it is needed to satisfy
F-MIN-r (compressor’s Min_hz)< F<F-MAX-r (compressor’s Max_hz)
ΔT
<1
1 2 3
>=4
The percentage of the
rated frequency P
50% 80% 120% 150% 160%
ΔT
<1
1 2 3
>=4
The percentage of the
rated frequency P
50% 70% 120% 150% 170%
The indoor setting
airflow speed
Breeze Low Medium High Strong Quiet
Healthy
airflow
The percentage of the
rated frequency Ki
60
75% 85% 100% 120% 60% 60%
17
Functions and control
Domestic air conditioner
7.1.2 The outdoor fan control (Exchange fan)
When the fan is changed among every airflow speed (including stop blowing), in order to avoid the
airflow speed from skipping frequently, it must be kept under each mode for over 30 seconds, and then
it can be changed to another mode (when cooling, the time is changed to 15 seconds).
7.1.2.1 The outdoor fan control when cooling or dehumidifying
After the compressor is started for 5 seconds, the outdoor fan is started at the medium speed at
first, after 30 seconds, it begins to control the airflow speed according to the temperature conditions of
the outdoor environment.
7.1.2.2 The outdoor fan control when heating
The temperature of the outdoor air (Ta) Airflow speed
Ta≥71.6°F
Low
66.2°F Ta<71.6°F
Keeping the speed
60.8°FTa<71.6°F
Medium
57.2°F Ta<60.8°F
Keeping the speed
Ta< 57.2°F
High
7.1.3 Four way control
For the details of defrosting four-way valve control, see the defrosting process.
Four way working in other ways:
Under the mode of heating, open the four-way valve, when the compressor is not started or
changed to non-heating mode, make sure the compressor is stoped for 2 minutes, and then close the
four-way valve.
7.1.4 Protection function
7.1.4.1 TTC high temperature-preventing protection
Once the machine is started, it can run TTC(air-blowing temp)
overheating protection of
air-blowing, but air-blowing sensor malfunction must alarm after 4 minutes during which the
compressor is started (during the course of self-detection, there’s no such limitation)
Sensor detection methods: 100 times (one cycle of procedure
run is one time, and about 5ms,
detection method for each time: continuously sampling for 8 times, then order them and take the mean
value of the middle 2 values), take the mean value.
The temperature of the
outdoor airTa
The temperature of the outdoor
coilTe
Airflow speed
Ta≥86°F
hgiH
78.8°F Ta<86°F
—— Keeping the speed
75.2°F Ta<78.8°F
muideM
73.4°F Ta<75.2°F
—— Keeping the speed
50°FTa<73.4°F
woL
41°FTa<50°F
—— Keeping the speed
Ta<41°F 59°F Te
Low
59°F>Te
Stop
18
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Haier 1U12BE2ERA User manual

Category
Split-system air conditioners
Type
User manual
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