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Haier Air Con
Haier ducted aircon with wired timer - I turn it on and it goes strait to stand by. No heating, cool...
Haier ducted aircon with wired timer - I turn it on and it goes strait to stand by. No heating, cool...
(Posted by daniellebuckman 12 years ago)
Popular Haier AU122AEERA Manual Pages
Service Manual - Page 3
... working condition
Type
of
Conditioner
Cooling Only
Heat pump
Air T1 18 ℃~43℃ -7℃~43℃
Electricity Heating
~43℃
Climate type T2 10℃~35℃ -7℃~35℃ ~35℃
T3 21℃~52℃ -7℃~52℃ ~52℃
1.3 Operating Range of Air Conditioners
Temp. Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA...
Service Manual - Page 4
Long-life& high efficiency air purify filter Low temperature cooling realized, super low temperature heating ..., which is protective for you.
Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
1.4 Product features Adopt the much friendlier refrigerant R410a
The air conditioner system adopts the greatly friendly refrigerant R410a, which can be controlled by the...
Service Manual - Page 5
...) Synthetic oil (POE oil) Synthetic oil (POE oil)
Pressure ratio 1
■Operation flow
Approx. 1.6
Approx. 1.1
prepare work schedule refrigerant inspection operation chart preparation
1. Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
1.5 New friendly refrigerant R410A introduction:
■R410A
The working pressure of the specified thickness 2.
Service Manual - Page 6
...
additional
Gas leakage detector
Gas leakage test
■Work precautions
charging
Refrigerant check: Before work requires a number of special tools (* symbol). Additional refrigerant: Charge a suitable amount of refrigerant piping to the
refrigerant. Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
■Piping material
1. For the pipe wall thickness...
Service Manual - Page 7
SPECIFICATION
item
Mode
Function
Capacity
kW
Sensible heat ratio
Total power input
W
...215;199
1150×750×300
PVC 18/20
Remote
46/44/42
28.3/34.3
7 Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
2. power input
W
EER or COP
W/W
Dehumidifying capacity
10‐³×m³/h
Power cable
Power source
N, V, Hz
Running
A / A
...
Service Manual - Page 8
...Four way valve
SHF-4-10A
material of reduce noise
XPE
crankcase heater power
Weight(Net / Shipping)
Refrigerant
Type / Charge Recharge quantity
W kg / kg
g g/m
37 39/43 R410A 1300
30... a sound pressure noise level.
8
Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
Item
Model
Function
Capacity
kW
Sensible heat ratio
Total power input
W
Max.
Service Manual - Page 10
... the following information in some cases may result in injuries or machine damages;
Incorrect maintenance and repairment may cause electrical shock or fire hazard. CAUTION! Incorrect operations may
cause serious consequences.
Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
3.
Don't dismantle the outlet of firing), please cut off
After the unit...
Service Manual - Page 11
...correct earthing may cause fire hazard.
Earthing wire should be connected to ensure efficient discharge.
Incorrect pipe use may cause accidents. Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
WARNING! Installed electrical-leaking circuit breaker.
Earthing
Use discharge pipe correctly to the gas pipe, water pipe, lightning rod or phone line, in the...
Service Manual - Page 14
Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
5. Accessories "Edging" for protection of overhead space is needed for installation.
Place where noise and hot air may not be discharged.
Place surrounded at the same time, obtain a consent from an opening edge. Place where air circulates. Place where there is a possibility. A 1m or more of ...
Service Manual - Page 17
... crimped terminal lugs with the indoor units, see the corresponding indoor operation and instruction manual. For the detailed wiring connection with insulated grip on the ends of power ... Wiring connection
Make wiring to supply power to the terminal block.
Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
Electric wiring
WARNING! Precautions for the indoor unit is ...
Service Manual - Page 22
... the drain hose in (Fig.3).
(Fig. 3)
Arrange the drain hose lower than this direction.)
22 Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
5.2.2 AC122ACERA
INSTALLATION PROCEDURE Install the room air conditioning unit as Fig.4, at the position shown.
(Fig. 4)
Wall 7cm Indoor unit
6mm outdoor unit
2. DRILLING FOR PIPING
The piping and drain can exit...
Service Manual - Page 33
sensor Tci
compressor
2-way stop valve (air side)
33 Refrigerant circuit
Model: AU122AEERA AB122ACERA AC122ACERA AD122ALERA
defrost temp.
sensor Tc
evaporator
indoor ambient
temp. sensor
Tao
assistant main ...
condenser
outdoor ambient
temp. sensor
Tai
3-way stop valve (liquid side)
indoor coil temp. Commercial Air Conditioner
8. sensor Td
low pressure switch
condenser...
Service Manual - Page 41
Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
Trouble description
Display of LED borad Analyze and diagnose LED 5-4-3-2-1
IPM failure
00001
IPM failure
Abnormal of DC moter
Communication error between indoor and outdoor unit Compressor discharging temprerture protection Spdu / IPM module over current protection Abnormal of outdoor ambient sensor
Abnormal of ...
Service Manual - Page 58
... failure is switched on for 3 times continously. Commercial Air Conditioner Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
3) Outdoor DC motor abnormal Alarm condition: outdoor DC motor is normal
yes
replace sensor
replace PCB
58 outdoor indicator indicate the above failure
yes
check if refrigerant is too much or too less
adjust refrigerant
no check if the system piping is blocked...
Service Manual - Page 60
Commercial Air Conditioner
10) Communication failure between outdoor PCB and module outdoor indicator flashes 22 times
Model: AU122AEERA AB122ACERA AC122ACERA AD122ALERA
no compressor not start up, outdoor alarms, check if there is other failure
yes no
check if the wiring between outdoor PCB and module is correct yes
replace PCB
eliminate other failures adjust wiring
no...
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