Haier AU042FPERA User manual

SYJS-01-2017 REV.A Edition: 2017-01

Service Manual

MRV SII (4-6HP)

CONTENTS

1. General Information............................................................................................................................................. 1

1.1 Outdoor Models and External Appearance ................................................................................................... 1

1.2 Feature ......................................................................................................................................................... 2

2. Specication ........................................................................................................................................................ 3

3. Dimension ........................................................................................................................................................... 7

4. Piping Diagram................................................................................................................................................... 8

5. Wiring Diagram................................................................................................................................................. 10

6. Capacity Calculation Due to Capacity Modication Coefcient......................................................................... 12

7. Operation Range ............................................................................................................................................... 14

8. Sound Level ...................................................................................................................................................... 15

9. Outdoor Piping Installation ................................................................................................................................ 16

9.1 Safety .......................................................................................................................................................... 16

9.2 Installation Instruction.................................................................................................................................. 18

9.3 Trial Operation and the Performance .......................................................................................................... 28

10. Outdoor Wiring Installation .............................................................................................................................. 30

11. Outdoor Unit PCB ............................................................................................................................................ 32

12. Dip Switch Setting ........................................................................................................................................... 33

13. Monitor Tools ................................................................................................................................................... 35

14. Outdoor Unit Control ....................................................................................................................................... 37

15. Failure Code.................................................................................................................................................... 41

16. Troubleshooting............................................................................................................................................... 45

Appendix I: Sensor Resistance Table.................................................................................................................... 65

Appendix II: Enthalpy-Humidity Chart ................................................................................................................... 74

1. General Information

1.1 Outdoor models and external appearance

AU042FPERA

AU052FPERA

AU062FPERA

AU04IFPERA

AU05IFPERA

AU06IFPERA

AVERAGE

EER

11%

1.2 Feature

New platform, new outlook

High energy efciency

Comfort

Convenience

Spiral air outlet grille

Better outlook and lower noise

DC inverter compressor

Haier takes DC INV. compressor, 5% power input lower. (14kw)

DC fan motor and 550mm big fan

38% power input lower and 8% airow higher

Larger heat exchanger

Heat exchange area rise 10%. (14kw)

Charge Valve

Built-in charge valve enables safer and easier maintenance

Low standby power

New PCB program, reduce 20% standby power consumption

New aerodynamics fan

550mm super big diameter aerospace helix fan. Lowering sound level 3 dB(A)

Enlarged air inlet path and spiral air outlet path

Air ow direction follows the grill direction. Lowering sound level 2-4 dB(A)

Automatic sound-lowering program

Night mode set by PCB, 8dB(A) lower

Double side “4 ” handles

Easy to carry

“888” test panel

All running data & error code can be checked from "888" screen, which

is easy for installers

“Four-way” pipe connection

4-way (front, back, left & right) pipe connection, easy to design and install

Built-in charge valve

Safer and easier maintenance

Round corner

Better outlook & safer

2. Specication

Model AU042FPERA AU052FPERA AU062FPERA

Power supply Ph/V/Hz 1Ph,220-230V,50/60Hz

Cooling

Rated capacity kW 12.60 14.00 15.50

Rated capacity kBtu/h 42.99 47.77 52.89

Capacity (46°C) kW 11.2 12.6 14

Rated power input kW 3.11 3.51 4.31

Power input (46°C) kW 3.77 4.25 5.22

Max. power input kW 7.20 7.50 7.80

EER 4.05 3.99 3.60

Rated current A 14.73 16.62 20.41

Max. current A 34.09 35.51 36.93

Heating

Rated capacity kW 14.20 16.00 18.00

Rated capacity kBtu/h 48.45 54.59 61.42

Rated power input kW 3.18 3.72 4.39

Max. power input kW 6.9 7.2 7.5

COP 4.47 4.30 4.10

Rated current A 15.06 17.61 20.79

Max. current A 32.67 34.09 35.51

Compressor

Brand MITSUBISHI ELECTRIC

Model MNB42FFAMC-L

Type Rotary Rotary Rotary

Compressor quantity 1 INV 1 INV 1 INV

Capacity W 13780 13780 13780

Power Input W 4130 4130 4130

Rated current(RLA) A 15.8 15.8 15.8

Speed rps 75 80 85

Crankcase Heater W 33 33 33

Refrigerant oil brand IDEMITSUKOSAN CO.LTD

Refrigerant oil type FV50S FV50S FV50S

Refrigerant oil charge ml 1100 1100 1100

Outdoor fan motor

Brand NIDEC NIDEC NIDEC

Model SIC-88FWJ-F1180-1

Voltage 310V 310V 310V

IP Class IP44 IP44 IP44

Type DC DC DC

Insulation class E E E

Safe class I I I

Power Input W 180 180 180

Output W 120 120 120

Rated current A 0.4 0.4 0.4

Capacitor μF ///

Speed rpm 900 900 900

Model AU042FPERA AU052FPERA AU062FPERA

Power supply Ph/V/Hz 1PH,220-230V,50/60Hz

Outdoor

fan

Brand Haier Haier Haier

Model / / /

Material Plastic Plastic Plastic

Type Axial Axial Axial

Diameter mm 550 550 550

Height mm 200 200 200

Outdoor

coil

Number of rows 2 2 2

Tube pitch(a)x row pitch(b) mm 21*18.186 21*18.186 21*18.186

Fin spacing mm 1.4 1.4 1.4

Fin type (code) Hydrophilic aluminium

Fin Coating Type Optional Clear lacquer Clear lacquer Clear lacquer

Salt Spray Test Duration Hour 168 168 168

Tube outside dia. and type Inner groove tube

mm Ф7 Ф7 Ф7

Coil length x height mm 1077*1315 1077*1315 1077*1315

Number of circuits 7 7 7

Cabinet

coating

Coating type Powder coating Powder coating Powder coating

Salt Spray Test Duration Hour 72 72 72

Sheet Metal Material Hot zinc plate Hot zinc plate Hot zinc plate

Sheet Metal Thickness mm 0.8 0.8 0.8

Control panel enclosure IP class Standard IP24 IP24 IP24

Outdoor air ow m3/h 7200 7200 7200

Outdoor sound level(sound pressure level) dB(A) 50 51 53

Outdoor sound level(sound power level) dB(A) 68 69 70

Outdoor

unit

Dimension(W*H*D) mm 950/370/1340 950/370/1340 950/370/1340

Packing (W*H*D) mm 1023/471/1420 1023/471/1420 1023/471/1420

Net weight kg 115 115 115

Gross weight kg 123 123 123

Refrigerant Type R410A R410A R410A

Charged volume kg 4 4 4

Throttle type EXV EXV EXV

Design pressure MPa 4.15 4.15 4.15

Refrigerant

piping

Liquid pipe mm 9.52 9.52 9.52

Gas pipe mm 15.88 15.88 15.88

Total pipe length m 300 300 300

Max. pipe length

(Equivalent/ Actual) m 175/150 175/150 175/150

Max. Diff. indoor/outdoor unit m 50 (Outdoor higher than indoor)

40 (Indoor higher than outdoor)

Max. Diff. indoor/indoor unit m 15 15 15

Connectable indoor unit ratio % 50%~130% 50%~130% 50%~130%

Maximum indoor units Piece 8 10 13

Connection

wiring

Power wiring mm210 10 10

Signal wiring mm2Shield wire:(0.75-2)*2

Operation Range °C Cooling:-15~48

Heating:-20~27

Norminal condition: indoor temperature (cooling): 27°C DB/19°C WB, indoor temperature (heating):

20°CDB/14.5°C WB.

Outdoor temperature(cooling): 35°C DB/24°C WB, outdoor temperature(heating): 7°C DB/6°C WB The data is

measured with 7.5m equivalent pipe and 0 m height difference.

The noise level will be measured in the third octave band limited values in the semi-anechoic chamber, using a

Real Time Analyser calibrated sound intensity meter. It is a sound pressure noise level.

Model AU04IFPERA AU05IFPERA AU06IFPERA

Power supply Ph/V/Hz 3N,380-400V,50/60Hz

Cooling

Rated capacity kW 12.60 14.00 15.50

Rated capacity kBtu/h 42.99 47.77 52.89

Capacity (46°C) kW 11.2 12.6 14

Rated power input kW 3.11 3.51 4.31

Power input (46°C) kW 3.77 4.25 5.22

Max. power input kW 7.20 7.50 7.80

EER 4.05 3.99 3.60

Rated current A 4.92 5.56 6.82

Max. current A 11.40 11.87 12.35

Heating

Rated capacity kW 14.20 16.00 18.00

Rated capacity kBtu/h 48.45 54.59 61.42

Rated power input kW 3.18 3.72 4.39

Max. power input kW 6.9 7.2 7.5

COP 4.47 4.30 4.10

Rated current A 5.03 5.89 6.95

Max. current A 10.92 11.40 11.87

Compressor

Brand MITSUBISHI ELECTRIC

Model MNB42FFDMC-L

Type Rotary Rotary Rotary

Compressor quantity 1 INV 1 INV 1 INV

Capacity W 13780 13780 13780

Power Input W 4060 4060 4060

Rated current(RLA) A 12.3 12.3 12.3

Speed rps 75 80 85

Crankcase Heater W 33 33 33

Refrigerant oil brand IDEMITSUKOSAN CO.LTD

Refrigerant oil type FV50S FV50S FV50S

Refrigerant oil charge ml 1400 1400 1400

Outdoor fan motor

Brand NIDEC NIDEC NIDEC

Model SIC-88FWJ-F1180-1

Voltage 310V 310V 310V

IP Class IP44 IP44 IP44

Type DC DC DC

Insulation class E E E

Safe class I I I

Power Input W 180 180 180

Output W 120 120 120

Rated current A 0.4 0.4 0.4

Capacitor μF ///

Speed rpm 900 900 900

Model AU04IFPERA AU05IFPERA AU06IFPERA

Power supply Ph/V/Hz 3N,380-400V,50/60Hz

Outdoor

fan

Brand Haier Haier Haier

Model / / /

Material Plastic Plastic Plastic

Type Axial Axial Axial

Diameter mm 550 550 550

Height mm 200 200 200

Outdoor

coil

Number of rows 2 2 2

Tube pitch(a)x row pitch(b) mm 21*18.186 21*18.186 21*18.186

Fin spacing mm 1.4 1.4 1.4

Fin type (code) Hydrophilic aluminium

Fin Coating Type Optional Clear lacquer Clear lacquer Clear lacquer

Salt Spray Test Duration Hour 168 168 168

Tube outside dia. and type Inner groove tube

mm Ф7 Ф7 Ф7

Coil length x height mm 1077*1315 1077*1315 1077*1315

Number of circuits 7 7 7

Cabinet

coating

Coating type Powder coating Powder coating Powder coating

Salt Spray Test Duration Hour 72 72 72

Sheet Metal Material Hot zinc plate Hot zinc plate Hot zinc plate

Sheet Metal Thickness mm 0.8 0.8 0.8

Control panel enclosure IP class Standard IP24 IP24 IP24

Outdoor air ow m3/h 7200 7200 7200

Outdoor sound level(sound pressure level) dB(A) 50 51 53

Outdoor sound level(sound power level) dB(A) 68 69 70

Outdoor

unit

Dimension(W*H*D) mm 950/370/1340 950/370/1340 950/370/1340

Packing (W*H*D) mm 1023/471/1420 1023/471/1420 1023/471/1420

Net weight kg 115 115 115

Gross weight kg 123 123 123

Refrigerant Type R410A R410A R410A

Charged volume kg 4 4 4

Throttle type EXV EXV EXV

Design pressure MPa 4.15 4.15 4.15

Refrigerant

piping

Liquid pipe mm 9.52 9.52 9.52

Gas pipe mm 15.88 15.88 15.88

Total pipe length m 300 300 300

Max. pipe length(Equivalent/

Actual) m 175/150 175/150 175/150

Max. Diff. indoor/outdoor unit m50 (Outdoor higher than indoor)

40 (Indoor higher than outdoor)

Max. Diff. indoor/indoor unit m 15 15 15

Connectable indoor unit ratio % 50%~130% 50%~130% 50%~130%

Maximum indoor units Piece 8 10 13

Connection

wiring

Power wiring mm2444

Signal wiring mm2Shield wire:(0.75-2)*2

Operation Range °C Cooling:-15~48

Heating:-20~27

Norminal condition: indoor temperature (cooling): 27°C DB/19°C WB, indoor temperature (heating):

20°CDB/14.5°C WB.

Outdoor temperature(cooling): 35°C DB/24°C WB, outdoor temperature(heating): 7°C DB/6°C WB The data is

measured with 7.5m equivalent pipe and 0 m height difference.

The noise level will be measured in the third octave band limited values in the semi-anechoic chamber, using a

Real Time Analyser calibrated sound intensity meter. It is a sound pressure noise level.

1340

370

950

600

406 450

3. Dimension

4. Piping Diagram

Condensor

Inverter

compressor

4wv

Gas pipe stop

valve

HPS

PMV

SV1

EEV Subcooler

Tc1

Tc2

Liquid pipe

stop valve Gas-liquid segregator

Oil segregator

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