background image

22

Failure code

The remote receiver can indicate the failure code

For
remote
type,
flash
times
10

1

2

3

4

5
6
7

8

9

11

14

15
16

17

18

19

20

21
22

Failure
code on
wired
control
ler
08

01

02

4A

49

48
53
47

07

06

0B

4C

05
54

50

0C

4B

4D

32D
54D

For
central
control,
failure
code
21

01

02

11

12

10
14
22

06

05

30

15

17
26

15

23

18

15

07
08

Failure description

Drainage system failure

Indoor ambient temp. sensor
failure
Indoor coil temp. sensor failure

Outdoor ambient temp. sensor
failure
Outdoor coil temp. sensor A
failure(compressor discharging
temp. sensor)
Over-current protection
High pressure abnormal
Power failure in overvoltage or
lackvoltage, phase error (fixed
frequency multi split)
Communication between wired
controller and indoor abnormal
Communication between indoor
and outdoor abnormal
Outside alarm signal input

Fault in discharging temp.
sensor A
EEPROM abnormal
Outdoor pressure switch or
discharging protector abnormal

Compressor overheat

Fault in operation mode (fixed
frequency multi split)
Outdoor coil temp. sensor B
failure
Fault in discharging temp.
sensor B
Module failure
Fault in zero-load

Reason

Float switch broken down for more than
25m continuously
Sensor broken down or short circuit for
more than 2m continuously
Sensor broken down or short circuit for
more than 2m continuously
Sensor broken down or short circuit for
more than 2m continuously
Sensor broken down or short circuit for
more than 2m continuously

CT check abnormal 3 times in 30m
High pressure switch acts 3 times in 30m

Communication abnormal for more than
4m continuously
Communication abnormal for more than
4m continuously
Outside signal broken down for more than
10s
Sensor broken down or short circuit for
more than 2m continuously
EEPROM data missing
Pressure switch or discharging protector
disconnected; or CN11 on indoor PCB
disconnected. The failure occurs only when
there is no outdoor PCB.
Detected temperature of discharge line is
higher than 120*
Indoor units operate in different modes

Sensor broken down or short circuit for
more than 2m continuously
Detected temperature of discharge line is
higher than 120*
Module overheat, overcurrent, short-circuit
Current sensor failure or compressor is not
started

Summary of Contents for AD072XLEAA

Page 1: ...operation manual before using the air conditioner Please keep this manual carefully and safely No 0010577693 DUCT TYPE AIR CONDITIONER Operation Installation Manual AD072XLEAA AD092XLEAA AD122XLEAA AD142XLEAA AD212XLEAA ...

Page 2: ... Important Points of Safety Trouble Shooting When Fault Occurs Notice to Users Installation Precautions Installation Procedure Failure Code Installation Check and Trial Run 1 2 3 4 6 7 8 9 10 11 12 13 21 22 23 Table of Contents ...

Page 3: ...hylene and the polyethylene foam pads contain no fluorochloric hydrocarbon Consult your local authorities for the name and address of the waste materials collecting centers and waste paper disposal services nearest to your house Safety Instructions and Warnings Before starting the air conditioner read the information given in the User s Guide carefully The User s Guide contains very important obse...

Page 4: ...ner that carry refrigerant by piercing or perforating the air conditioner s tubes with sharp or pointed items crushing or twisting any tubes or scraping the coatings off the surfaces If the refrigerant spurts out and gets into eyes it may result in serious eye injuries Do not obstruct or cover the ventilation grille of the air conditioner Do not put fingers or any other things into the inlet outle...

Page 5: ...ox see the following picture when shipping from the factory and they are of back side return air type During the installation the unit also can be changed to a Down side Return air according to the user s need D NOTE Electrical control box ...

Page 6: ...ction manual to new user if you resell this machine Warning for installation Entrusted Installation Installation of the machine should be entrusted to certified person of after service Unauthorized install ation may cause water leakage electric shock or fire hazard for improper operation To prevent leakage of refrigerant let certified person of after service do it Leakage of refrigerant over certa...

Page 7: ... service Improper inst allation may cause fire hazard electric shock or damage of ma chine Unauthorized alteration or repair work is strictly forbidden Impr oper alteration or maintenance may cause fire hazard electric shock or water leakage Repair work should be entrusted to cert ified person of after service Attention Attention points for installation Ensure the drainage hose work normally durin...

Page 8: ...pose of prese rving food animals plants precision instruments and artwork etc which may be destroyed otherwise DON T replace fuse with ma terial other than fuse of proper capacity Replacing fuse with metal wire or copper etc can cause fire hazard or other faults DON T lay any burning facilities in place where winds produced by the machine can reach Incomplete combustion of burning facility may be ...

Page 9: ...sion or cold shrinkage of plastics Sometimes there are smells in the air flow from the indoor unit This is caused by the smell of cigarettes or paint coatings inside the unit During COOL or DRY operation the unit may blow out a thin mist This is the con densate water mist caused by sudden co oling of the indoor air blown out from the indoor unit In order to prevent frost accumulation on the heat e...

Page 10: ...ation stops After the unit stops the indoor fan will continue to run for a while to eliminate residual heat Before asking for after service to an authorized service center please check your air conditioner for the following items The system couldn t start Is power on off switched on The power on off switch is not at position of ON Is the power supply line normal Is current leakage breaker triggere...

Page 11: ...s there any direct sunlight into the room Are there too many people in the room If after the above checks and the corresponding corrective actions the system remains abnormal operation or the following facts appear please turn off the air conditioner and then contact the local authorized service center Frequent open of fuse or breaker There is water leakage during COOL or DRY operation The operati...

Page 12: ...ll be 30 m Please keep the installation instruction manual well for reference in maintenance or changing installation position After installed please follow the operational instruction manual to use the air conditioner properly Information about application Adjust your desired air flow direction Avoid direct sunlight and gas flow Keep appropriate room temperature Too cool or too warm wont benefit ...

Page 13: ...her accidents will happen Using the specified cable to do wiring work and connecting firmly and properly Fix the connecting part of the terminals to prevent it from the external force Improper connection and fixing will cause heating and fire etc accidents Wiring shall be kept in correct shape avoiding extrusion After installation the electric box cover and the external panel shall not nip the wir...

Page 14: ... pipe shall be as short as possible See Figure 1 5 If its necessary to adjust the filling amount of the refrigerant please refer to the installation manual attached with the outdoor unit 6 The connecting flange should be provided by the user himself 7 The indoor unit have 2 drainage outlet one outlet be jamedwith rubber cap during installation only use another outlet In Out liquid pipe side When n...

Page 15: ... outward down slope of at least 1 100 See Figure 2 2 Before drilling check that there is no pipe or reinforcing bar just behind the drilling position Drilling shall avoid at positions with electric wire or pipe 3 Mount the unit on a strong and horizontal building roof If the base is not firm it will cause noise vibration or pipe broken and refrigerant leakage see Figure 6 4 Support the unit firmly...

Page 16: ...istance between air duct outlet and air conditioner outlet could be within 5m at this point When installing the ceiling concealed type indoor unit a specially designed return air bellows shall be installed as shown in Figure 3 Figure 4 A Installing building roof Ceiling Air supply Air outlet duct Unit Return air Return air bellows Figure 3 Figure 6 M8 broad foundation bolt M8 suspension screw M8 b...

Page 17: ...also connected to its respective air diffuser separately See Fig 1 Adjust the wind speed of each air diffuser outlet to keep in line on the whole so as to meet a demand of the air conditioner in the room 2 Installation of air return duct Use rivets to connect the air return duct to the air return inlet of the indoor unit The other end connects to the air return shutter as shown in Fig 2 Fig2 Duct ...

Page 18: ...on screw Beam New concrete slab To set with embedded parts foundation bolts etc Iron reinforcement Knife embedded part Foundation bolt Guide plate embedded part Pipe suspension foundation bolt Original concrete slab Use hole hinge hole plunger or hole bolt Steel reinforcement structure Use steel angle or new support steel angle directly Hanging bolt Suspension screw Support steel angle Hanging of ...

Page 19: ... onto the drain pipe connection part Pipe and insulation material Rigid PVC pipe VP31 5mm internal diameter Foamed PE with thickness above 7mm Pipe Insulation Hose Drain pipe size Ø19 05mm2 3 4 PVC pipe The hose is used for adjusting the off center and angle of the rigid PVC pipe Directly stretch the hose to install without making any deformation The soft end of the hose must be fastened with a ho...

Page 20: ...ting pipe O D mm Ø6 35 Ø9 52 Ø12 70 Ø15 88 Installing torque N m 11 8 1 2kgf m 24 5 2 5kgf m 49 0 5 0 kgf m 78 4 8 0 kgf m Increased installing torque N m 13 7 1 4 kgf m 29 4 3 0 kgf m 53 9 5 5 kgf m 98 0 10 0 kgf m Conduct flared connection work to connect all refrigerant pipes Pipe cutting and expanding If the pipe is too long or the flare is damaged it needs to be cut or expanded Pipe expander ...

Page 21: ... the pipe connections and bonnets Insulation treatment Conduct insulation treatment on both the gas side and liquid side of pipes respectively During cooling operation both the liquid and gas sides are cold and thus shall be insulated so as to avoid dew generation l The insulating material at gas side shall be resistant to a temperature above 120 l The indoor unit pipe connection part shall be ins...

Page 22: ...ion melts and cause dangers After connected on the terminal block the wires shall be bent to U form and then fastened with wire clip The control wiring and refrigerant piping may be laid and fastened together Before completion of vacuum pumping of the refrigerant pipe system do not electrify the indoor unit The power cord of the indoor unit and connection wiring between indoor and outdoor units sh...

Page 23: ...me cable They shall be connected respectively to ensure system normal operation For some models connection wire shall be provided by the user If the fuse on PC board is broken please change it with the type of T 3 15A 250VAC The power cable and connecting cable are self provided All the cables shall have got the European authentication certificate The breaker of the air conditioner should be all p...

Page 24: ... Outdoor coil temp sensor B failure Fault in discharging temp sensor B Module failure Fault in zero load Reason Float switch broken down for more than 25m continuously Sensor broken down or short circuit for more than 2m continuously Sensor broken down or short circuit for more than 2m continuously Sensor broken down or short circuit for more than 2m continuously Sensor broken down or short circui...

Page 25: ... indoor outdoor Is there any gas leakage at the pipe joints Connection wire connected properly Are the wires pressed firmly Is the noise too big Do the terminal numbers of the indoor outdoor connection wire coincide with each other Is the pipe connection part thermally insulated Is the indoor unit mounted firmly and reliably Trial operation The installation serviceman must conduct a trial operatio...

Page 26: ...HAIER GROUP Qingdao Haier Air Conditioner Electric Co Ltd Address Haier Garden Qianwangang Road Economic Development Zone Qingdao Shandong 266500 P R C Web Site http www haier com ...

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