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Haier AU042FPERA Service Manual

Mrv s" series (4-6hp)
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II
MRV S
(4-6HP)

Service Manual

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

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  Summary of Contents for Haier AU042FPERA

  • Page 1: Service Manual

    MRV S (4-6HP) Service Manual SYJS-01-2017 REV.A Edition: 2017-01...
  • Page 2: Table Of Contents

    CONTENTS 1. General Information ............................. 1 1.1 Outdoor Models and External Appearance ....................1 1.2 Feature ................................. 2 2. Specification ................................ 3 3. Dimension ................................7 4. Piping Diagram ..............................8 5. Wiring Diagram ..............................10 6. Capacity Calculation Due to Capacity Modification Coefficient ................. 12 7.
  • Page 3: General Information

    1. General Information 1.1 Outdoor models and external appearance AU042FPERA AU052FPERA AU062FPERA AU04IFPERA AU05IFPERA AU06IFPERA...
  • Page 4: Feature

    Round corner Better outlook & safer High energy efficiency 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% airflow higher Larger heat exchanger Heat exchange area rise 10%.
  • Page 5: Specification

    2. Specification Model AU042FPERA AU052FPERA AU062FPERA Power supply Ph/V/Hz 1Ph,220-230V,50/60Hz Rated capacity 12.60 14.00 15.50 Rated capacity kBtu/h 42.99 47.77 52.89 Capacity (46°C) 11.2 12.6 Rated power input 3.11 3.51 4.31 Cooling Power input (46°C) 3.77 4.25 5.22 Max. power input 7.20...
  • Page 6 Model AU042FPERA AU052FPERA AU062FPERA Power supply Ph/V/Hz 1PH,220-230V,50/60Hz Brand Haier Haier Haier Model Outdoor Material Plastic Plastic Plastic Type Axial Axial Axial Diameter Height Number of rows Tube pitch(a)x row pitch(b) 21*18.186 21*18.186 21*18.186 Fin spacing Fin type (code) Hydrophilic aluminium...
  • Page 7 Model AU04IFPERA AU05IFPERA AU06IFPERA Power supply Ph/V/Hz 3N,380-400V,50/60Hz Rated capacity 12.60 14.00 15.50 Rated capacity kBtu/h 42.99 47.77 52.89 Capacity (46°C) 11.2 12.6 Rated power input 3.11 3.51 4.31 Cooling Power input (46°C) 3.77 4.25 5.22 Max. power input 7.20 7.50 7.80 4.05...
  • Page 8 Model AU04IFPERA AU05IFPERA AU06IFPERA Power supply Ph/V/Hz 3N,380-400V,50/60Hz Brand Haier Haier Haier Model Outdoor Material Plastic Plastic Plastic Type Axial Axial Axial Diameter Height Number of rows Tube pitch(a)x row pitch(b) 21*18.186 21*18.186 21*18.186 Fin spacing Fin type (code) Hydrophilic aluminium...
  • Page 9: Dimension

    3. Dimension 1340 406 450...
  • Page 10: Piping Diagram

    4. Piping Diagram...
  • Page 11 Part name Sign Function Date Note Capacity control, meet indoor load request by adjusting frequency and Compressor 20°C opening and closing fixing frequency compressor. Pressure switch High pressure protection 4.15Mpa, OFF Electronic In heating, refrigerant flow control Φ3.0 expansion valve 1.
  • Page 12: Wiring Diagram

    5. Wiring Diagram AU04/05/062FPERA 0150518287 TD TE(1) TS TA CN13 CN12 AC-L AC-N 6.3A 250VAC FUSE1 CN2 CN3 CN4CN5 CN6 CN7 CN29 CN28 CN30 CN19 CN21 INV BOARD CN18 LED4 LED2 CN17 CONTROL C O MP Tfin CN20 CN16 BOARD HEATER CN25 CN24...
  • Page 13 AU04/05/06IFPERA 0150520925 HPS Td Te1 Ts Ta 6.3A 250VAC FUSE1 CN1CN2 CN3 CN4 CN5 CN6 CN7 CN29 CN28 CN30 CN19 CN21 CN26 CN32 CN18 LED4 LED2 CN31 DISPLAY CN17 CN30 CN20 CN16 HEATER CONTROL BOARD CN25 SW01 SW02 ACFAN2 Tfin CN15 CN24 ACFAN1...
  • Page 14: Capacity Calculation Due To Capacity Modification Coefficient

    6. Capacity Calculation Due to Capacity Modification Coefficient (1) Calculation method of refrigerating capacity----cooling capacity to be known=refrigerating capacity*(A*B*C*D*E)W A. Capacity compensation value of indoor B. Capacity compensation value of outdoor air wet-bulb temperature condition air dry-bulb temperature condition 40 43 Indoor air dry-bulb temperature (°C ) Outdoor air wet-bulb temperature (°C ) C.
  • Page 15 (2) Calculation method of refrigerating capacity----heating capacity to be known=refrigerating capacity*(A*B*C*D*E*F)W A. Capacity compensation value of indoor B. Capacity compensation value of outdoor air air dry-bulb temperature condition wet-bulb temperature condition Indoor air dry-bulb temperature (°C) Outdoor air wet-bulb temperature (°C) C.
  • Page 16: Operation Range

    7. Operation range Cooling Heating Indoor temperature(℃DB) Indoor temperature(℃DB)...
  • Page 17: Sound Level

    1.18m 1.18m 2) Testing condition: a. Unit running in the nominal condition b. Test in the semi-anechoic chamber c. Noise level varies from the actual factors such as room structure, etc. AU052FPERA AU042FPERA AU05IFPERA AU04IFPERA NC-60 NC-60 NC-50 NC-50 NC-40...
  • Page 18: Outdoor Piping Installation

    9. Outdoor Piping Installation 9.1 Safety • If the air conditioner is transferred to the others, this manual should be transferred together. • Before installation, please read "Safety precaution" carefully to confirm the correct installation. • The mentioned precaution includes " WARNING" and " CAUTION". The precaution caused death or heavy injury for faulty installation will be listed in "...
  • Page 19 CAUTION • Execute earthing for the unit. But the earthing wire can not be connected to the gas pipe, water pipe, lightening rod or the telephone earthing wire. Improper earthing will cause electric shock. • Don't install the unit at the place where leaks the flammable gas. Or it will cause fire. •...
  • Page 20: Installation Instruction

    9.2 Installation instruction In installation, please check specially the below items: • If the connected units quantity and the total capacity is in the allowable range? • If the refrigerant pipe length is in the limited range? • If the pipe size is proper? And if the pipe is installed horizontally? •...
  • Page 21 The unit should be installed at the • The place where the water can flow • The unit is better not be installed place where the cold/hot air or fluently. at the below places, or it will cause noise will not interfere the neighbours. •...
  • Page 22 19.05 is 0-type, the pressure preservation will be bad, thus it must be 1/2H type and over the min. thickness. 3. The branch pipe must be from Haier. 4. When installing the stop valve, refer to the relative operation instruction.
  • Page 23 Selection of installation location of outdoor (1) Single-unit installation (unit: in.(mm)) The top and two side surfaces must be exposed to open space, and barriers on at least one side of the front and back shall be lower than the outdoor unit. (2) Multi-unit installation (unit: in.(mm)) (3) Multi-unit installation in front and back (unit: in.(mm)) The top and two side surfaces must be exposed to open space, and barriers on at least one side of the front and...
  • Page 24 Drain pipe disposal • Make sure the drain works properly. • In regions where buildups of snow can be expected, the accumulation and freezing of snow in the space between the heat exchanger and external plate may lower operating efficiency. •...
  • Page 25 Copper pipe selection: hardness Softness Half-hardness Outer diameter (mm) Ø6.35 Ø9.52 Ø12.7 Ø15.88 Ø19.05 Ø22.22 Ø25.24 Ø28.58 Min. thickness (mm) Note: If the copper pipe with outer diameter 19.05 is coil pipe, the thickness should be over 1.1. Long pipe and high drop 1.
  • Page 26 B. Indoor unit Please refer to the indoor air conditioner manual. Connecting method: Flared joint C. Pipe spec and the torque Diameter (mm) Thickness (mm) Torque (N.m) Ø6.35 16~20 Ø9.52 40~50 Ø12.7 Ø15.88 90~120 Ø19.05 100~140 Ø22.22 —— Ø25.4 —— Not less than Ø28.58 More than 1.4 ——...
  • Page 27 Pipe installation When doing the piping connection, please do the following: • Please don't let the pipe and the parts in the unit collide each other. • When connecting the pipes, close the valves fully. • Protect the pipe end against and water, impurities (welding after being flatted, or being sealed with adhesive tape).
  • Page 28 B. Leakage test 1. The outdoor unit has been executed the leakage test in the factory. After connecting the distributing pipe, execute the leakage test from the outdoor check valve and the indoor. Besides, while testing, the valves should be close. 2.
  • Page 29 Tighten torque as the table below: Tighten torque N.m Shaft (valve body) Cap (cover) T-shape nut (check joint) For gas pipe Less than 7 Less than 30 For liquid pipe 7.85 (MAX15.7) 29.4 (MAX39.2) 8.8 (MAX14.7) E. Additional refrigerant charging Charge the additional refrigerant as liquid state with the gauge.
  • Page 30: Trial Operation And The Performance

    9.3 Trial operation and the performance 5-minute delay function • If starting up the unit after being powered off, the compressor will run about 5 minutes later against being damaged. Cooling/heating operation • Indoor units can be controlled individually, but cannot run in cool and heat mode at the same time. If the cool mode and the heat mode are existing simultaneously, the unit set latter will be standby, and the unit set earlier will run normally.
  • Page 31 Trial operation • Before trial operation: Before being electrified, measure the resistor between power terminal block (live wire and neutral wire) and the earthed point with a multimeter, and check if it is over 1MΩ. If not, the unit can not operate. To protect compressor, electrify the outdoor unit for at least 12 hours before the unit runs.
  • Page 32: Outdoor Wiring Installation

    10. Outdoor Wiring Installation Communication wiring figure Communication wire with polarity Indoor 1 Indoor 2 Outdoor P Q A B C P Q A B C wired A B C controller Indoor 3 Indoor 4 Indoor 5 Indoor 6 P Q A B C A B C P Q A B C P Q A B C...
  • Page 33 Power circuit breaker (A) section breaker Section source Ground fault interruptor (mA) Screw response time (S) Model AU042FPERA 50A 30mA below 0.1S 1PH, AU052FPERA 220-230V~, 50A 30mA below 0.1S 50/60Hz AU062FPERA 50A 30mA below 0.1S AU04IFPERA 20A 30mA below 0.1S...
  • Page 34: Outdoor Unit Pcb

    11. Outdoor Unit PCB 0151800146J LED1 LED3 LED2 LED4...
  • Page 35: Dip Switch Setting

    12. Dip Switch Setting (1) BM1 introduction Definition Introduction Begin to search indoor Indoor searching after BM1_1 startup Stop searching indoor and lock the quantity Invalid BM1_2 Two classes supercooling Valid (default) AC motor BM1_3 Fan motor selection DC motor (default) Energy saving priority Energy saving or BM1_4...
  • Page 36 Definition Introduction Heat pump (default) Cooling only or heat pump BM2-1 selection Cooling only AU04 BM2_2 BM2_3 Outdoor model selection AU05 BM2_4 AU06 Single phase BM2-5 Power supply selection 3-phase New communication protocol (default) BM2-6 Communication protocol selection Old communication protocol BM2-7 BM2-8 Start mode selection...
  • Page 37: Monitor Tools

    13. Monitor Tools Main function instruction: By setting the rotary switch, the digital tube will display the outdoor and indoor unit parameters (the outdoor current, discharge temp., suction temp., defrosting temp., coil temp. and outdoor ambient temp.; indoor unit coil temp. and valve open angle and so on), the data is inform of decimal integer.
  • Page 38 SW01 SW02 Digital tube display Td discharging temperature (unit: ℃) Ta outdoor ambient temperature (unit: ℃) Ts suction temperature (unit: ℃) Te defrosting temperature (unit: ℃) Toil oil temperature (unit: ℃) Pd high pressure (unit: kg, one decimal) Ps low pressure (unit: kg, one decimal) Outdoor PMV valve open angle (unit: pls, max.
  • Page 39: Outdoor Unit Control

    14. Outdoor Unit Control 1. Compressor startup control After receiving the outdoor startup instruction, outdoor open SV1 30 seconds and then standby. When startup, the compressor will keep for 3 min at 45rps (when Ta<40°C) or 3 min at 40rps (when Ta>=40°C). In cooling mode, meet running 1min &...
  • Page 40 Pd(MPa) 《A area》Pd<1.0 MPa, drop step by step at the lowest fan speed (fan speed No.1 ) running 1 min , OFF 《B area》1.0MPa≤Pd<1.5 MPa Reduce the speed per 1 class /20s until to the lowest 《C area》1.5MPa≤Pd<2.2 MPa Keep the current fan speed 《D area》2.2MPa≤Pd<3.2MPa Increase the speed per 1 class/20s 《E area》Pd≥3.2 MPa...
  • Page 41 4. Defrosting control In order to have the effect heating operation, need defrosting control. 4.1 Entering condition: Ta≤20°C • & After heating startup 60min • OR Last defrosting~ heating cumulative operation time is more than 60 minutes A: Ta≥6°C, Te≤-10°C For 5min continuously •...
  • Page 42 B: In heating mode When load rate<25%: after 1 hours, 4-way valve doesn't reversing oil return operation 25%≤load rate<50%: after 2 hours, 4-way valve The master unit compressor cumulative • OR • & doesn't reversing oil return operation operation time Load rate≤30% 50%≤load rate<75%: after 4 hours, 4-way valve •...
  • Page 43: Failure Code

    15. Failure code Inverter outdoor unit failure code Digital tube Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) AD value is below 11(open circuit) or over 1012(short circuit) for Defrosting temp. 60seconds, in cooling mode, if the sensor is abnormal, the unit 20-0 Resumable sensor Te failure...
  • Page 44 Digital tube Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) After compressor is running, compression ratio 8. for Once Compression ratio continuous 5 minutes stop and alarm.2 minutes and 50 39-1 39-1 confirmation, too high protection seconds later, resume automatically, if it occurs 3 times in an un-resumable...
  • Page 45 Digital tube Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) Valve plate module Reserved Resumable error(sending by valve plate) Once Valve plate dial No valve plate module dial but the valve plate module is detected. confirmation, setting error un-resumable...
  • Page 46 Digital tube Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) IPM modular IPM modular over current, in short circuit, over heat, voltage too protection (F0) low of control circuit. Compressor out of In the course of compressor startup or running, the unit can not control detect the rotor position, or not connecting compressor.
  • Page 47: Troubleshooting

    16. Troubleshooting [20-23] Temperature sensor failure If sensor terminal is fixed well Reconnect If sensor resistor Replace sensor /characteristic is proper Check if PCB is faulty, if yes, replace it [122] Radiator temp. sensor of transducer abnormal Check if connection between temp. Adjust connection sensor and inverter board Measure if temp.
  • Page 48 [26-0, 26-1, 26-2] Communication circuit between indoor and outdoor If wiring between P and Q Modify the communication wire is wrong or broken down If wire of on outdoor Modify the port connecting board is normal If the wire on indoor PCB is normal If indoor and outdoor are Connect power source...
  • Page 49 [28, 29] High/low pressure sensor failure If sensor terminal is fixed well Reconnect If voltage between red terminal and black terminal is 5V when Replace PCB testing pressure sensor by multimeter If voltage between white terminal and black Replace pressure sensor terminal is 0.5V~3.5V when testing pressure sensor by multimeter Replace connecting board...
  • Page 50 [30] High pressure switch failure If connection between pressure Re-connect switch and connecting board is good If the system pressure meets the Replace pressure switch condition that pressure switch shuts off Make pressure switch close, measure if terminal is conductive by multimeter Check the piping system If the system is clogged Make pressure switch terminal...
  • Page 51 [33] Outdoor EEPROM failure Reconnect If the EEPROM is fixed well Replace EEPROM [34] Protection of discharging temp. too high If sensor terminal is fixed Reconnect well If sensor resistor Replace sensor /characteristic is proper If the system is Charge refrigerant lack of refrigerant Replace connecting board...
  • Page 52 [35] 4-way valve reversing failure If connection between 4-way valve Re-connect and connecting board is good If system meets condition Check if SV1 leaks of 4-way valve reversing: Pd-Ps>0.6MPa Measure if CN49 voltage on connecting board is Replace connecting board 220VAC after 4-way valve reversing condition is met If compressor running...
  • Page 53 [39-0, 39-1] Low pressure too low and compression ratio too high If actual pressure is in conformance with the Replace pressure sensor measured data by sensor Check if stop valve Open stop valve is open fully Check if system is Recharge refrigerant lack of refrigerant Check if terminal of...
  • Page 54 [40] High pressure too high failure If characteristic of high pressure Replace pressure sensor sensors are normal If stop valve Open stop valve opens fully If in cooling Check fan motor outdoor fan motor runs normally If in heating indoor fan motor runs normally Check indoor and if filter is clogged...
  • Page 55 [43] Discharging temp. sensor Td too low protection If the sensor characteristic Replace the sensor is correct If the terminal of Reconnect sensor is fixed well In cooling mode, when the Replace of adjustment the indoor unit off if the EEV can't indoor unit EEV completely close Check if refrigerant...
  • Page 56 [53] CT Current too low or current sensor failure Check if where between connecting board and CT Re-connect board is connected well (CN9) Replace wire Check if CT wire is conductive Check if it is normal after Replace connecting board replacing CT board CT board is broken down...
  • Page 57 [64] CT current too high Check if wire between connecting board and module Re-connect is connected normally Check if CT wire is conductive Replace wire If normal after If temperature on top of fixed If AC contactor replacing CT work frequency compressor is too detector high...
  • Page 58 [71-0,71-1 ] DC motor blocked Rotate fan motor by Replace fan motor hand to check if there is obviously fiction Check the motor and Re-connect PCB connection is well Forced the fan in low speed, measure if it has alternating Replace the motor voltage between FG and GND Replace the outdoor PCB...
  • Page 59 [75-0, 75-4] Pressure difference between high pressure and low pressure is abnormal Check if high/ low pressure Re-connect sensor is connected well Check if compressor wire is Correct compressor wire connected normally If wire of inverter compressor Correct compressor wire are connected oppositely If 4-way valve is Replace 4-way valve...
  • Page 60 [82] Compressor current protection [108] Transient over current in IPM module rectifier side software [110] IPM module hardware over current [123] Transient over current in IPM module rectifier side hardware Improver power supply circuit Check if voltage of power supply in normal Check if wire of electric box Correct the wiring due to diagram is correct and if compressor...
  • Page 61 [111] Compressor out of control [118] the compressor start failure Check if voltage of power supply is normal Improve power supply circuit Check the wires among U, V, Replace the wires W of compressor are normal If compressor is normal (compressor coil resistor, insulation) Replace the compressor Compressor load too much,...
  • Page 62 [113] Protection of overload Improve power supply circuit Check if voltage of power supply is normal Check if wire of electric box is correct Correct the wiring due to diagram If compressor is normal Replace compressor (compressor coil resistor, insulation) If power module is normal Replace power module Compress load too much,...
  • Page 63 [115] Voltage too high of DC bus line of transducer Check if voltage of power Improve power supply circuit supply is normal Check if wire of electric box is correct Correct the wiring due to diagram Measure if DC bus line Circuit of DC bus line voltage on voltage between P and N of inverter control board abnormal,...
  • Page 64 [117] Transducer over current (software protection) Check voltage of power supply is normal Improve power supply circuit Check if wire of electric box is correct Correct the wiring due to diagram If compressor is normal Replace compressor (compressor coil resistor, insulation) If power module is normal Replace power module Compressor load too much,...
  • Page 65 [120] Power supply of transducer abnormal Improve power supply circuit Check if voltage of power supply is normal Check if wire of electric box is correct Correct the wiring due to diagram Adjust or replace relay If relay or AC contactor acts well or AC contactor Measure if DC bus line DC bus line voltage circuit on...
  • Page 66 [122] Radiator temp. sensor of transducer abnormal Check if connection between Adjust connection temp. sensor and inverter board Replace sensor Measure if temp. sensor resistor is normal Replace inverter control board...
  • Page 67: Appendix I: Sensor Resistance Table

    Appendix I: Sensor Resistance Table Code Resistance Description 0010450192 Outdoor ambient temp. sensor 0010450194 Defrosting temp. sensor 0010451303 Discharging temp. sensor 0010451307 Suction temp. sensor...
  • Page 68 R80=50kΩ±3% B25/80=4450K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 1749.01 1921.99 2094.97 9.00 9.00 1651.43 1813.27 1975.10 8.93 8.93 1560.17 1711.65 1863.13 8.85 8.85 1474.74 1616.59 1758.45 8.78 8.78 1394.71 1527.61 1660.51 8.70 8.70...
  • Page 69 R80=50kΩ±3% B25/80=4450K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 272.33 290.41 308.49 6.23 6.23 260.43 277.49 294.56 6.15 6.15 249.10 265.22 281.33 6.08 6.08 238.33 253.54 268.75 6.00 6.00 228.07 242.44 256.80 5.93 5.93...
  • Page 70 R80=50kΩ±3% B25/80=4450K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 64.99 67.42 69.84 3.60 3.60 62.61 64.90 67.19 3.53 3.53 60.34 62.49 64.65 3.45 3.45 58.15 60.19 62.22 3.38 3.38 56.06 57.97 59.89 3.30 3.30...
  • Page 71 R80=50kΩ±3% B25/80=4450K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 20.07 21.05 22.03 4.67 4.67 19.41 20.37 21.34 4.73 4.73 18.77 19.72 20.67 4.80 4.80 18.16 19.09 20.02 4.87 4.87 17.57 18.49 19.40 4.93 4.93...
  • Page 72 R25=10kΩ±3% B25/50=3700K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 145.82 135.02 124.22 7.00 7.00 138.07 129.13 120.18 6.93 6.93 131.79 123.34 114.89 6.85 6.85 125.67 117.68 109.70 6.78 6.78 119.71 112.18 104.65 6.71 6.71...
  • Page 73 R25=10kΩ±3% B25/50=3700K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 24.74 23.69 22.63 4.45 4.45 23.61 22.62 21.63 4.38 4.38 22.54 21.61 20.68 4.31 4.31 21.52 20.65 19.77 4.24 4.24 20.56 19.74 18.92 4.16 4.16...
  • Page 74 R25=10kΩ±3% B25/50=3700K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 5.36 5.15 4.94 4.06 4.06 5.17 4.96 4.76 4.13 4.13 4.98 4.78 4.58 4.19 4.19 4.80 4.60 4.41 4.25 4.25 4.63 4.43 4.24 4.31 4.31...
  • Page 75 R25=10kΩ±3% B25/50=3700K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 1.68 1.58 1.48 6.19 6.19 1.63 1.53 1.43 6.25 6.25 1.58 1.48 1.39 6.31 6.31 1.53 1.44 1.35 6.38 6.38 1.49 1.40 1.31 6.44 6.44...
  • Page 76: Appendix Ii: Enthalpy-Humidity Chart

    Appendix II: Enthalpy-Humidity Chart 0 10 0mmHg Humidity d. g/kg dry air k∫ /kg kcal /kg Wet ait enthalpy-humidity chart 1000 1013.25mbar (10Pa) Atmosphetic ptessute 760mmHg =1.01t+0.001d(2500+1.84t)k∫/kg dtyait =1.24t+0.001d(597.3+0.44t)kcal/kg dtyait...
  • Page 77 Haier Commercial Air Condition Web: Http://www.haier.com Haier reserves the right to make change without any notice.

This manual is also suitable for:

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