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Haier AU282FHERA Руководство по эксплуатации онлайн [11/69] 617242
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9
G
Part name Model Sign Function Date
Compressor
AU282
Capacity control, meet indoor load
request by adjusting the frequency
Motor resistance
(at 20°C): 0.88Ω
AU482
Motor resistance
(at 20°C): 0.29Ω
AU48/60N
Motor resistance
(at 20°C): 0.53Ω
Pressure switch ALL
HP High pressure protection 4.15Mpa, OFF
LP Low pressure protection 0.05Mpa, OFF
Electronic expansion
valve
ALL PMV In heating, refrigerant ow control
￠
2.4
Solenoid valve ALL
SV1
Keep balance of high/low pressure
when compressor starts up or stops
AC220V
SV2
Refrigerant jet protection when
discharging temp. is too high
4-way valve ALL 4WV
Change over between cooling and
heating
AC220V, electried in heat;
not electried in cooling or
defrosting
Temp. sensor ALL
Te
Check frost condition of outdoor
heat exchanger
R (25°C)=10K B
(25/50°C)=3700K
Ts
Detect the suction temp. of
compressor
Tc
Check the temp. of main pipe of
condenser gas pipe control PMV in
heating
Ta
Detect ambient temp. set primary
setting for fan speed target
pressure and PMV open angle
Td
Detect the discharging temp. of
compressor
R (80°C)=50K B
(25/80°C)=4450K
Heater
AU282
HEATER Used to heat oil in compressor
25W, 220V
AU482/48N/60N 28W, 220V
Содержание
- Mrviii s g design installation maintenance instruction 1
- R410a heat pump 1
- Contents 2
- General information 3
- Specification 4
- Indoor model list 8
- Refrigerant circuit 9
- Dimension 12
- Over over 13
- Over over over over 13
- Over over over over over 13
- Wiring diagram 14
- Au482fiera g 15
- Cn603 cn609 15
- Cn612 cn610 cn608 cn602 15
- Reactor 15
- E n l3l2l1 16
- Out in 16
- R s t n 16
- Seting 16
- Calculation method 17
- Performance curves 17
- Running range 17
- 1252 50 500 1000 2000 4000 8000 19
- Au282fhera 19
- Noise level 19
- Octave band center frequency 19
- Octave band center frequency octave band center frequency 19
- Octave band sound pressure level 19
- Installation cautions 20
- Outdoor installation 20
- Safety precautions 20
- Warning 20
- Catuion 21
- Indoor 1 indoor 2 21
- Indoor 3 indoor 4 21
- Outdoor 21
- Refrigerant piping 21
- Allowable pipe length and drop 23
- Indoor unit 23
- Length of the longest after the 23
- Branch pipe dimension 24
- Piping installation 25
- Leakage test 26
- After reaching 100 kpa or less below 755mmhg let the vacuum pump running continuously for over 1hour 27
- Evacuation 27
- Additional refrigerant charging 28
- Utilized tool comparison for mrviii r22 and r410a 29
- Trial operation 30
- 1 power wiring figure 31
- 2 communication wiring 31
- A do not take the other wire except for copper wire as the power cable b all indoor outdoor units must be connected with the earthing wire of power cable the earthing wire can not be connected onto the earthing wire of coal gas pipe water pipe lightning rod or telephone or the electric shock or fire will occur c must install the leakage breaker and the over current breaker or electric shock will occur d before finishing electric installation do not electrify the unit e indoor and outdoor use their individual power source all indoors use one power source f the communication wire and the power cable must be individual and can not use one multi core cable or the communication wire will be interfered to cause abnormal 31
- Electric installation 31
- Warning in european market local 3 phase isolator power switch must be fitted locally to the unit legal requirement for eu for other area pls comply with local regulation requirement electric wiring should be executed by the specialized well trained person 31
- Warnings 31
- When one wired controller controls multiple indoors the connected indoor units must use the common phase of power source or the communication will be abnormal for example the power source is l1 l2 l3 and n all the indoor units must use l1 n or l2 n or l3 n 31
- Wiring system 31
- Specs for power cable and communication wire 32
- Method of installation and trial run 33
- Start stop up down functions on outdoor pcb 35
- Trial operation and the performance 36
- Inspection before trial operation 37
- System marks 37
- Trial operation sequence 37
- 2 motor operation confirmation 39
- Check the indoor running parameters are correct after outdoor is connected the testing board and the testing software such as the sensor characteristic the eev open angle etc 39
- Confirm being electrified indoor and outdoor are electrified respectively and then check as the following table 39
- Generally confirm all the indoors one by one please set the other indoors at stop state 1 main power supply and preliminary confirmation 39
- If indoor communication indicator flashes 39
- If outdoor pcb is electrified if the communication indicator flashes 39
- No inspection items results 39
- State setting of trial operation 39
- Trial operation 39
- 3 cooling operation confirmation 40
- 4 heating operation confirmation 41
- Note 1 44
- Note 2 44
- Note 3 44
- Failure code 45
- 05 temperature senor failure 47
- Current sensor failure 47
- Incorrect dip switch setting for model selection on outdoor pcb check 47
- Troubleshooting 47
- Dc motor failure 48
- Alarm and stop when the testing indoor numbers are inconsistent with the initial searched locked numbers which can recoverable 49
- Fault of reading eeprom 49
- Compressor discharging temp td protection 50
- Protecting action of ipm temperature 24 ipm temperature too high 50
- High low pressure switch open circuit 51
- Discharge temperature is too low 52
- Capacity overmatch 53
- Suction temp too high 53
- Alarm and stop when current exceed the standard value which can recoverable automatically 54
- Communicating fault of control panel and ipm 54
- Compressor over current 55
- Communicating fault of indoor and outdoor units 56
- Dc bus under voltage 58
- Compressor is not connected 59
- Appendix 60
- Herein the sensor typical resistor is as follows 60
- Sensor characteristic 60
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