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Summary of Contents for Airwell AWSI-HMF009-N61
- Page 1 HMF R22 Hi wall Series Indoor Units Outdoor Units AWSI-HMF009-N61 AWAU-YMF009-H61 AWSI-HMF012-N61 AWAU-YMF012-H61 AWSI-HMF018-N61 AWAU-YMF018-H61 AWSI-HMF024-N61 AWAU-YMF024-H61 REFRIGERANT REFRIGERANT HEATPUMP SM HMF R22 1-A.1 GB JULY, 2014...
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Page 2: Table Of Contents
CONTENTS 1. Precaution ..............................3 1.1 Safety Precaution ........................3 1.2 Warning ............................3 2. Function ................................ 7 3. Dimension ..............................8 3.1 Indoor Unit ........................... 8 3.2 Outdoor Unit ..........................9 4. Refrigerant Cycle Diagram ........................10 5. Wiring Diagram ............................11 5.1 Indoor Unit .......................... -
Page 3: Precaution
1. Precaution 1.1 Safety Precaution To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. Before service the unit, be sure to read this service manual at first. 1.2 Warning ... - Page 4 condenser and evaporator. For installation, always contact the dealer or an authorized service center. Do not install the product on a defective installation stand. Be sure the installation area does not deteriorate with age. If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.
- Page 5 product from the window before the hurricane arrives. There is risk of property damage, failure of product, or electric shock. Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.) There is risk of physical injury, electric shock, or product failure.
- Page 6 Do not install the product where it will be exposed to sea wind (salt spray) directly. It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation. Operational ...
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Page 7: Function
2. Function Model Names of Indoor/Outdoor Units Capacity Indoor units Outdoor units AWSI-HMF009-N61 AWAU-YMF009-H61 On-Off AWSI-HMF012-N61 AWAU-YMF012-H61 AWSI-HMF018-N61 AWAU-YMF018-H61 AWSI-HMF024-N61 AWAU-YMF024-H61 Filter 2 ways of drainage(O) Cold catalyst filter Louver Position Memory Function Ionizer(O) Refrigerant Leakage Detect Silver Ico Filter(O) Self-diag. -
Page 8: Dimension
3. Dimension 3.1 Indoor Unit Model AWSI-HMF009-H61 AWSI-HMF012-H61 AWSI-HMF018-H61 AWSI-HMF024-H61 1045 Model L(mm) R(mm) H(mm) Dimension of installation hole(mm) AWSI-HMF009-H61 ￠65 AWSI-HMF012-H61 AWSI-HMF018-H61 Model L(mm) R(mm) H(mm) Dimension of installation hole(mm) ￠65 AWSI-HMF024-H61 HMF R22 Series Version... -
Page 9: Outdoor Unit
3.2 Outdoor Unit More than 30cm More than 60cm (Service space) More than 30cm More than 60cm More than 200cm Model AWAU-YMF009-H61 AWAU-YMF012-H61 AWAU-YMF018-H61 AWAU-YMF024-H61 HMF R22 Series Version... -
Page 10: Refrigerant Cycle Diagram
4. Refrigerant Cycle Diagram For cooling only models: INDOOR OUTDOOR LIQUID SIDE CAPILIARY TUBE HEAT EXCHANGE (EVAPORATOR) HEAT T1 Room temp. EXCHANGE sensor (CONDENSER) T2 Evaporator temp. sensor GAS SIDE ACCUMULATOR COMPRESSOR For heat pump models: INDOOR OUTDOOR CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE... -
Page 11: Wiring Diagram
5. Wiring Diagram 5.1 Indoor Unit AWSI-HMF009-H61, AWSI-HMF012-H61, AWSI-HMF018-H61 AWSI-HMF024-H61 HMF R22 Series Version... -
Page 12: Outdoor Unit
5.2 Outdoor Unit AWAU-YMF009-H61, AWAU-YMF012-H61 AWAU-YMF018-H61, HMF R22 Series Version... - Page 13 AWAU-YMF024-H61 HMF R22 Series Version...
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Page 14: Installation Details
6 Installation Details 6.1 Wrench torque sheet for installation Outside diameter Torque Additional tightening torque inch N.cm N.cm Ф6.35 1500(153kgf.cm) 1600(163kgf.cm) Ф9.52 2500(255kgf.cm) 2600(265kgf.cm) Ф12.7 3500(357kgf.cm) 3600(367kgf.cm) Ф15.9 4500(459kgf.cm) 4700(479kgf.cm) Ф19 6500(663kgf.cm) 6700(683kgf.cm) 6.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Rated current of appliance Nominal cross-sectional area (mm²... -
Page 15: Pipe Length And The Elevation
6.3 Pipe length and the elevation The pipe length and refrigerant amount: Pipe size Standard Max. Max. Additional Model length Elevation Length refrigerant B (m) A (m) (g/m) Liquid 1/4’’ 3/8’’ AWSI-HMF009-H61+AWAU-YMF009-H61 (Ф6.35) (Ф9.52) 1/4’’ 1/2’’ AWSI-HMF012-H61+AWAU-YMF012-H61 (Ф12.7) (Ф6.35) 1/4’’ 1/2’’... -
Page 16: Installation For The First Time
6.4 Installation for the first time Air and moisture in the refrigerant system have undesirable effects as below: ● Pressure in the system rises. ● Operating current rises. ● Cooling or heating efficiency drops. ● Moisture in the refrigerant circuit may freeze and block capillary tubing. ●... - Page 17 6) Make evacuation for 30 minutes and check whether the compound meter indicates -0.1Mpa. If the meter does not indicate -0.1Mpa after pumping 30 minutes, it should be pumped 20 minutes more. If the pressure can’t achieve -0.1Mpa after pumping 50 minutes, please check if there are some leakage points.
- Page 18 Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2-way valve approximately 45’ until the gauge indicates 0.3 to 0.5 Mpa. 6). Disconnect the charge set and the charging cylinder, and set the 2-way and 3-way valves to the open position.
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Page 19: Adding The Refrigerant After Running The System For Many Years
6).When the electronic scale displays the proper weight (refer to the table), disconnect the charge hose from the 3-way valve’s service port immediately and turn off the air conditioner before disconnecting the hose. 7). Mount the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N.m. -
Page 20: Re-Installation While The Indoor Unit Need To Be Repaired
6).When the electronic scale displays the proper weight (refer to the gauge and the pressure of the low side), disconnect the charge hose from the 3-way valve’s service port immediately and turn off the air conditioner before disconnecting the hose. 7). - Page 21 5). Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0.1MPa. 6). Set the 3-way valve to the closed position immediately Do this quickly so that the gauge ends up indicating 0.3 to 0.5Mpa. Disconnect the charge set, and tighten the 2-way and 3-way valve’s stem nuts.
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Page 22: Re-Installation While The Outdoor Unit Need To Be Repaired
5). Discharge the refrigerant. Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2-way valve approximately 45’ until the gauge indicates 0.3 to 0.5 Mpa. 6). Disconnect the charge set and the charging cylinder, and set the 2-way and 3-way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems. - Page 23 5). Disconnect the charge hose from the vacuum pump. HMF R22 Series Version...
- Page 24 2. Refrigerant charging Electronic scale Procedure: 1). Connect the charge hose to the charging cylinder, open the 2-way valve and the 3-way valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder.
- Page 25 Use torque wrench to tighten the service port cap to a torque of 18N.m. Be sure to check for gas leakage HMF R22 Series Version...
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Page 26: Operation Characteristics
7. Operation Characteristics CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally. 2. The room relative humidity should be less than 80%. If the air conditioner operates beyond this figure, the surface of the air conditioner may attract condensation. -
Page 27: Electronic Function
8. Electronic function 8.1 Abbreviation T1: Indoor room temperature T2: Coil temperature of evaporator T3: Coil temperature of condenser T4: Outdoor ambient temperature T5: Compressor discharge temperature 8.2 Display function 8.2.1 Icon explanation on indoor display board. 1. In normal situation, the setting temperature is displayed. (No temp. -
Page 28: Main Protection
8.3 Main Protection 8.3.1 Time Delay at restart for compressor. 8.3.2 Sensor protection at open circuit and breaking disconnection. 8.3.3 Zero crossing detection error protection If AC can not detect zero crossing signal for 4 minutes or the zero crossing signal time interval is not correct, the unit will stop and the LED will display the failure. -
Page 29: Operation Modes And Functions
8.4 Operation Modes and Functions 8.4.1 Fan mode (1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no setting temperature is displayed. (3) Indoor fan can be set to high/med/low/auto. (4) The louver operates the same as in cooling mode. (5) Auto fan: 8.4.2 Cooling Mode 8.4.2.1 Compressor running rules... - Page 30 8.4.2.2 Outdoor fan running rules The On-off outdoor units have single fan speed. The outdoor fan will run following the compressor except when AC is in evaporator high temp. protection in heating mode ,condenser high temp. protection in cooling mode, defrosting mode and the current protection. 8.4.2.3 Indoor fan running rules In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and auto.
- Page 31 8.4.3 Heating Mode(only for heat pump models) 8.4.3.1 Compressor running rules: Once the compressor starts up, it will run 7 minutes. And then it will follow the below rules: When indoor room temp.T1 is higher than Tj, the compressor and outdoor fan will shut off. When T1 is lower than Tk, the compressor and outdoor fan will start up.
- Page 32 When the compressor is on, the indoor fan can be set to high/med/low/auto. And the anti-cold wind function has the priority. If the compressor stops caused by the room temperature rising and T2≥TE1-6, the indoor fan will be forced to run at breeze for 127 seconds, if T2<TE1-6, the indoor fan will stop immediately.
- Page 33 T2>TE2, the indoor fan will run at setting speed. TE1<T2<TE2, the indoor fan will run at low speed. When T2 is getting lower, TE4<T2<TE3,the indoor fan will run at low speed. T2<TE4, the indoor fan will shut off. HMF R22 Series Version...
- Page 34 Auto fan action: When T1-Ts>2℃, the indoor fan will run at low speed. When T1-Ts≤0℃, the indoor fan will run at medium speed. 8.4.3.4 Defrosting mode： For AWSI-HMF009-H61, AWSI-HMF012-H61,AWSI-HMF018-H61: Condition of defrosting: 1、AC will enter the defrosting mode if all of the following items(1.1,1.2,1.3 or 1.1, 1.2, 1.4) are satisfied.
- Page 35 1.2 If the fan speed and the evaporator coil temp.T2 meet the below issues: ℃ ＜43℃ High speed ＜46℃ Medium speed ＜48℃ Low speed 1.3 After the compressor keeps running 8 minutes, ΔT′ max－ΔT′ ≥6℃（ΔT=T2-T1） 1.4 After the compressor keeps running 8 minutes, if -5℃<T1<45℃ and -5℃<T2<45℃, AC will detect the △T.
- Page 36 4 minutes, the defrosting will terminate. (4) The compressor current has reached to I or above lasting 7 seconds, I differs DEFROST DEFROST in different models Defrosting action： Compressor 4-way valve Outdoor fan Indoor fan Indoor fan breeze(10s) DF-5 DF-5 Setting defrosting time For 24k models:...
- Page 37 to normal heating mode. (1) T3 rises to be higher than TC2. (2) The machine has run for 10 minutes in defrosting. Defrosting action： 8.4.3.5 High evaporator coil temp.T2 protection: 8.4.3.5 High evaporator coil temp.T2 protection(for MS12F-22HR-PB8W Compressor off Outdoor fan motor off Outdoor fan motor low speed Compressor and outdoor...
- Page 38 between 17~30℃. In auto mode, the machine will choose cooling, heating or fan-only mode according to ΔT (ΔT =T1-Ts). ΔT=T1-Ts Running mode ΔT＞2℃ Cooling -3≤ΔT≤2℃ Fan-only ΔT<-3℃ Heating(For cooling only models, they will run at fan only mode.) AC will run in auto mode in the below cases: （1）...
- Page 39 8.4.7.1 Timing range is 24 hours. 8.4.7.2 Timer on. The machine will turn on automatically when reaching the setting time. 8.4.7.3 Timer off. The machine will turn off automatically when reaching the setting time. 8.4.7.4 Timer on/off. The machine will turn on automatically when reaching the setting “on” time, and then turn off automatically when reaching the setting “off”...
- Page 40 automatically after 3 minutes when power returns. If the memorization condition is forced cooling mode, the unit will run in cooling mode for 30 minutes and turn to auto mode as 24℃ setting temp. If AC is off before power off and AC is required to start up now, the compressor will have 1 minute delay when power on.
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Page 41: Troubleshooting
9. Troubleshooting 9.1 Indoor Unit Error Display Operation Timer lamp Display LED STATUS lamp ☆ 1 time EEPROM parameter error ☆ 2 times Zero-crossing signal detection error ☆ 3 times Indoor fan speed has been out of control Indoor room temperature sensor T1 open circuit or ☆... -
Page 42: Diagnosis And Solution
9.2 Diagnosis and Solution 9.2.1 EEPROM parameter error diagnosis and solution Shut off the power supply and turn it on 5 seconds later. Is it still displaying the error code? If the EEPROM chip is welded on main PCB, replace the main PCB directly. - Page 43 9.2.2 Zero crossing detection error diagnosis and solution Check if the connections and Correct the connections. Turn on the power supply is normal? unit when the power supply is good. Indoor main PCB is defective. Replace indoor main PCB. 9.2.3 Indoor fan speed has been out of control diagnosis and solution Shut off the power supply and turn it on 5 seconds The unit operates normally.
- Page 44 Index 1: 1.Indoor AC Fan Motor Measure the resistance value of each winding by using the tester. For the resistance value of the motor, please contact the technical engineer. Index2: 1: Indoor AC Fan Motor Power on and set the unit running in fan mode at high fan speed. After running for 15 seconds, measure the voltage of pin1 and pin2.
- Page 45 9.2.4 Open circuit or short circuit of temperature sensors diagnosis and solution Check the connections between temperature sensor and main PCB. Correct the connections. Are the connections good? Check the resistance value Replace indoor or outdoor main of the sensor via table1 PCB.
- Page 46 9.2.5 Refrigerant leakage detection diagnosis and solution Shut off the power supply and turn it on 5 seconds later. Is it still displaying the error code? Check if T2 sensor is well Is there cool air blowing fixed. Correct the installation or replace T2 sensor.
- Page 47 9.2.6 Indoor / outdoor units communication error diagnosis and solution Power off, then turn on the unit 5 seconds later(reconnect the power wire).Is the error still displaying after several minutes? Check all the wirings between indoor and outdoor, indoor main PCB and outdoor main PCB following the wiring diagram.
- Page 48 Main parts check 1.Temperature sensor checking Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor discharge temp.(T5) sensor. Measure the resistance value of each winding by using the multi-meter.
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