Haier AU482FIERA [3/69] General information
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1. General Information
MRVllI-S adopts refrigerant R410a, which is the new generation of H-MRV. It is with DC inverter technology, high
efciency and energy saving, intelligent control, etc. All indoor units are with EEV to adjust the refrigerant ow,
collect the data by the precise temp. sensor. lndoors adopt the indoors of MRVllI-C below 48000BTU/h, add the
central control, room card function on the basis of original H-MRV. The system can realize max. 1 to 9.
Features:
1. High efciency and energy saving
1.1 Precise control, optimum operation
a. Simulate pressure control, to realize every indoor unit energy-saving and optimum operation.
b. Adopt inverter technology, adjust outdoor total load according to the actual request.
1.2 Indoor individual control, economic running
1.3 Advanced technology, high efciency, and energy saving
1.4 High efcient rotary compressor
a. Precise control EEV
b. Excellent piping system design
c. Long distance of refrigerant piping
1.5 Inverter operation, temperature sensor technology, reduce power consumption
2. Beautiful and comfortable
a. Compact outdoor appearance design
b. Perfect cooling and heating, more comfortable
c. Super slim design, t for the decor
3. Healthy and environment friendly
a. Adopt environment friendly refrigerant R410a, protect ozone layer against the earth being warmed up
b. Intelligent healthy module for removing formaldehyde, easily resolve the decoration pollution
c. Strong ultraviolet radiation to kill the bacteria, make indoor air more healthy
4. More convenient
a. Flexible control indoors
One outdoor can control multiple indoors at the same time
b. Multiple indoor control types
Infrared control, wired control, infrared control + wired control, central control
c. Free combination
Due to the different space, select indoor type freely
d. Multiple air sending, air return types
5. Easy installation
Super long piping system, free installation
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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