Fisher FSAIF-Pro-95AE2 Service Manual
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Fisher FSAIF-Pro-95AE2 Service Manual

Split wall-mounted type
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FSAIF-Pro-95AE2 / FSOAIF-Pro-95AE2
FSAIF-Pro-125AE2 / FSOAIF-Pro-125AE2
FSAIF-Pro-185AE2 / FSOAIF-Pro-185AE2
FSAIF-Pro-245AE2 / FSOAIF-Pro-245AE2
NOTE:
Before servicing the unit, please read this at first.
Always contact with your service center if meet problem.
SERVICE MANUAL
Room Air Conditioner
Split Wall-Mounted Type
FI_SM_FSAIF-PRO-95-125-185-245AE2_170303

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Summary of Contents for Fisher FSAIF-Pro-95AE2

  • Page 1 SERVICE MANUAL Room Air Conditioner Split Wall-Mounted Type FSAIF-Pro-95AE2 / FSOAIF-Pro-95AE2 FSAIF-Pro-125AE2 / FSOAIF-Pro-125AE2 FSAIF-Pro-185AE2 / FSOAIF-Pro-185AE2 FSAIF-Pro-245AE2 / FSOAIF-Pro-245AE2 NOTE: Before servicing the unit, please read this at first. Always contact with your service center if meet problem. FI_SM_FSAIF-PRO-95-125-185-245AE2_170303...

  • Page 2: Table Of Contents

    CONTENTS 1. Precaution..................................1 1.1 Safety Precaution............................1 1.2 Warning.................................1 2. Function..................................4 3. Dimension..................................5 3.1 Indoor Unit..............................5 3.2 Outdoor Unit..............................8 4. Refrigerant Cycle Diagram............................. 12 5 Installation Details..............................14 5.1 Wrench torque sheet for installation...................... 14 5.2 Connecting the cables..........................14 5.3 Pipe length and the elevation.........................

  • Page 3: Precaution

    installing the product. Sharp edges could cause injury, be especially 1. Precaution careful of the case edges and the fins on the condenser and evaporator. 1.1 Safety Precaution For installation, always contact the  dealer or an authorized service center. To prevent injury to the user or other ...
  • Page 4 from product, turn the breaker off or water is drained away properly. disconnect the power supply cable. A bad connection may cause water leakage. Keep level even when installing the There is risk of electric shock or fire.  Stop operation and close the window product.
  • Page 5 through air inlet or outlet while the product is operated. Do not drink the water drained from  the product. Use a firm stool or ladder when  cleaning or maintaining the product. Be careful and avoid personal injury. Replace the all batteries in the remote ...

  • Page 6: Function

    2. Function Model Names of Indoor/Outdoor Units Capacity Indoor units Outdoor units FSAIF-Pro-95AE2 FSOAIF-Pro-95AE2 3D inverter FSOAIF-Pro-125AE2 FSAIF-Pro-125AE2 FSAIF-Pro-185AE2 FSOAIF-Pro-185AE2 FSAIF-Pro-245AE2 FSOAIF-Pro-245AE2 2 ways of drainage Filter Cold catalyst filter Louver Position Memory Function Plasma filter Refrigerant Leakage Detect Silver Ion Filter Self-diag.

  • Page 7: Dimension

    3. Dimension 3.1 Indoor Unit Model FSAIF-Pro-95AE2 FSAIF-Pro-125AE2 FSAIF-Pro-185AE2 1080 FSAIF-Pro-245AE2...
  • Page 8 FSAIF-Pro-95AE2 FSAIF-Pro-125AE2 FSAIF-Pro-185AE2...
  • Page 9 FSAIF-Pro-245AE2...

  • Page 10: Outdoor Unit

    3.2 Outdoor Unit More than 30cm More than 60cm (Service space) More than 30cm More than 60cm More than 200cm...
  • Page 11 FSOAIF-Pro-95AE2 779 W3 487 W1 300 D 770 W 70 W2 25 B1 61.5 A2 12 A1...
  • Page 12 FSOAIF-Pro-125AE2 FSOAIF-Pro-185AE2 815 W3 514 W1 333 D 800 W 70 W2 62 B1 D2 D3 20 A1 61.6 A2...
  • Page 13 FSOAIF-Pro-245AE2...

  • Page 14: Refrigerant Cycle Diagram

    4. Refrigerant Cycle Diagram INDOOR OUTDOOR CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE CAPILIARY TUBE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) T1 Room temp. sensor T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE 3-WAY VALVE ACCUMULATOR COOLING COMPRESSOR HEATING...

  • Page 16: Installation Details

    5 Installation Details 5.1 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) 5.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Capacity Nominal cross-sectional area (mm²) 3 x 2,5...

  • Page 17: Pipe Length And The Elevation

    Standard Max. Max. Additional Pipe size Model length Elevation Length refrigerant Liquid B (m) A (m) (g/m) 3/8’’ 1/4’’ FSAIF-Pro-95AE2 / FSOAIF-Pro-95AE2 (Ф9.52) (Ф6.35) 3/8’’ 1/4’’ FSAIF-Pro-125AE2 / FSOAIF-Pro-125AE2 (Ф9.52) (Ф6.35) 1/2’’ 1/4’’ FSAIF-Pro-185AE2 / FSOAIF-Pro-185AE2 (Ф12.7) (Ф6.35) 5/8’’ 3/8’’...

  • Page 18: Installation For The First Time

    connection to the vacuum pump. 5.4 Installation for the first time 4) Fully open the handle Lo of the manifold valve. Air and moisture in the refrigerant system have 5) Operate the vacuum pump to evacuate. undesirable effects as below: 6) Make evacuation for 30 minutes and check ●...

  • Page 19: Adding The Refrigerant After Running The System For Many Years

    disconnected from the vacuum pump to the liquid charge. valve at the bottom of the cylinder. If the 2). Purge the air from the charge hose. refrigerant is R410A, make the cylinder bottom Open the valve at the bottom of the cylinder up to ensure the liquid charge.

  • Page 20: Re-Installation While The Outdoor Unit Need To Be Repaired

    Be sure to use a hexagonal wrench to operate the valve. valve stems. 5) Operate the vacuum pump to evacuate. 2). Connect the charge hose with the push pin of 6) Make evacuation for 30 minutes and check handle lo to the 3-way valves gas service port. whether the compound meter indicates 3).
  • Page 21 Confirm that the compound meter indicates 5).When the electronic scale displays the proper -0.1Mpa. weight, disconnect the charge hose from the 4). Close the valve (Low side) on the charge set, 3-way valve’s service port immediately turn off the vacuum pump, and confirm that the If the system has been charged with liquid gauge needle does not move (approximately 5 refrigerant while operating the air conditioner,...

  • Page 22: Wiring Diagram

    6. Wiring Diagram 6.1 Indoor Unit FSAIF-Pro-95AE2 FSAIF-Pro-125AE2 FSAIF-Pro-185AE2 FSAIF-Pro-245AE2...

  • Page 23: Outdoor Unit

    6.2 Outdoor Unit FSOAIF-Pro-95AE2 FSOAIF-Pro-125AE2...
  • Page 24 FSOAIF-Pro-185AE2 FSOAIF-Pro-245AE2...

  • Page 25: Operation Characteristics

    7. Operation Characteristics Mode Cooling operation Heating operation Drying operation Temperature Room temperature 17℃~32℃ 0℃~30℃ 10℃~32℃ (62℉~90℉) (32℉~86℉) (50℉~90℉) Outdoor temperature -15℃~30℃ 0℃~50℃ -15℃~50℃ (5℉~122℉) (5℉~86℉) (32℉~122℉) 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.

  • Page 26: Electronic Function

    8. Electronic function Dispalys ‘ ’ during self clean operation (if aplicable). 8.1 Abbreviation Dispalys ‘ ’ under 8℃ heating operation (if T1: Indoor room temperature aplicable). T2: Coil temperature of evaporator When ECO function(optional) is actived,the T3: Coil temperature of condenser “...

  • Page 27: Main Protection

    8.3 Main Protection 8.3.9 Refrigerant leakage detection 8.3.1 Three minutes delay at restart for This function is only active in cooling mode. It compressor can better prevent the compressor being 1 minute delay for the 1 time stand-up and 3 damaged by refrigerant leakage or compressor minutes delay for others.

  • Page 28: Operation Modes And Functions

    8.4 Operation Modes and Functions & f T 4 & fr e q u e n c y 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.
  • Page 29 The auto fan acts as below rules: 8.4.3 Heating Mode T 1 - T S 8.4.3.1 Compressor running rules When T1-Ts> ∆T the compressor will stop, when T1-T < ∆T -1.5 the compressor will be on. ∆T is the programmed parameter of temperature compensation.
  • Page 30 of T4 and also the compressor running time. FSOAIF-Pro-185AE2 During the defrosting mode, the compressor keep models, FSOAIF-Pro-245AE2 running, indoor and outdoor motor will stop, defrost lamp of the indoor unit will be lighted “ .” Will be displayed. If any one of the following items is satisfied, the defrosting will finish and the machine will turn to normal heating mode.
  • Page 31 8.4.6 Forced operation function Forced cooling mode: The compressor and outdoor fan keep running TEstop and the indoor fan runs at low speed. After Decrease running for 30 minutes, AC will turn to auto TEdown mode with 24℃ setting temperature. Hold Forced auto mode: TEH2...
  • Page 32 (be lower than 30 ℃ ) every one hour, 2 hours or the end user shuts down the unit in the turbo later the setting temperature stops rising and mode, the louver will restore to the default the indoor fan is fixed at low speed. angle.
  • Page 33 temperature. When the unit is running with follow me function, if the PCB doesn’t receive any signal from remote controller for 7 minutes or pressing FOLLOW ME button again, the follow me function will be turned off automatically, and the temperature will control the unit according to the room temperature detected from its own room...
  • Page 34 8.4.16 Point check function Press the LED button of the remote controller three times, and then press AIR DIRECTION button three times in ten seconds, the buzzer will keep ring for two seconds. The air conditioner will enter into the information enquiry status. You can press the LED AIR DIRECTION button to check the next or front item’s information.
  • Page 35 the details are as follows. Enquiry Display value Meaning Remark information T1,T2,T3,T4, -1F,-1E,-1d,-1c,- -25,-24,-23,-22,-21,-2 1. All the displaying temperature is actual T2B,TP,TH, 1b,-1A value. Targeted 2. All the temperature is °C no matter what -19—99 -19—99 Frequency, kind of remote controller is used. A0,A1,…A9 100,101,…109 Actual...

  • Page 36: Troubleshooting

    9. Troubleshooting Safety Electricity power is still kept in capacitors even the power supply is shut off. Do not forget to discharge the electricity power in capacitor. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) For other models, please connect discharge resistance (approx.100Ω 40W) or soldering iron (plug) between +, - terminals of the electrolytic capacitor on the contrary side of the outdoor PCB.

  • Page 37: Indoor Unit Error Display

    9.1 Indoor Unit Error Display Display LED STATUS Indoor unit EEPROM parameter error Indoor / outdoor units communication error Indoor fan speed has been out of control Indoor room temperature sensor T1 open circuit or short circuit Evaporator coil temperature sensor T2 open circuit or short circuit Refrigerant leakage detection Overload current protection...

  • Page 38: Trouble Shooting

    9.2 Trouble shooting 9.2.1 EEPROM parameter error diagnosis and solution(E0/F4) E0/F4 Error Code Malfunction decision Indoor or outdoor PCB main chip does not receive feedback conditions from EEPROM chip. Supposed causes Installation mistake ● PCB faulty ● Trouble shooting: EEPROM: a read-only memory whose contents can be erased and reprogrammed using a pulsed voltage.
  • Page 39 9.2.2 Indoor / outdoor unit’s communication diagnosis and solution(E1) Error Code Malfunction decision Indoor unit does not receive the feedback from outdoor unit during conditions 110 seconds and this condition happens four times continuously. Supposed causes Wiring mistake ● Indoor or outdoor PCB faulty ●...
  • Page 40 9.2.3 Fan speed has been out of control diagnosis and solution(E3) E3/F5 Error Code Malfunction decision When indoor fan speed keeps too low (300RPM) for certain time, conditions the unit will stop and the LED will display the failure. Supposed causes Wiring mistake ●...
  • Page 41 Index1: 1:Indoor or Outdoor DC Fan Motor(control chip is in fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector. If the value of the voltage is not in the range showing in below table, the PCB must has problems and need to be replaced.
  • Page 42 9.2.4 Refrigerant Leakage Detection diagnosis and solution(EC) Error Code Malfunction decision Define the evaporator coil temp.T2 of the compressor just starts conditions running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 ＜Tcool－2℃ does not keep continuous 4 seconds and this situation happens 3 times, the display area will show “EC”...
  • Page 43 9.2.5 Open circuit or short circuit of temperature sensor diagnosis and solution(E5) E4/E5/F1/F2/F3 Error Code Malfunction decision If the sampling voltage is lower than 0.06V or higher than 4.94V, conditions the LED will display the failure. Supposed causes Wiring mistake ●...
  • Page 44 9.2.6 Overload current protection diagnosis and solution(F0) Error Code Malfunction decision An abnormal current rise is detected by checking the specified conditions current detection circuit. Supposed causes Power supply problems. ● System blockage ● PCB faulty ● Wiring mistake ● Compressor malfunction ●...
  • Page 45 9.2.7 IPM malfunction or IGBT over-strong current protection diagnosis and solution(P0) Error Code Malfunction decision When the voltage signal that IPM send to compressor drive chip conditions is abnormal, the display LED will show “P0” and AC will turn off. Supposed causes Wiring mistake ●...
  • Page 46 IPM continuity check  Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital tester to measure the resistance between P and UVWN; UVW and N. Digital tester Normal resistance value Digital tester Normal resistance value (+)Red...
  • Page 47 9.2.8 Over voltage or too low voltage protection diagnosis and solution(P1) Error Code Malfunction decision An abnormal voltage rise or drop is detected by checking the conditions specified voltage detection circuit. Supposed causes Power supply problems. ● System leakage or block ●...
  • Page 48 9.2.9 High temperature protection of IPM or compress top diagnosis and solution (P2) Error Code Malfunction decision If the sampling voltage is not 5V, the LED will display the failure. conditions Supposed causes Installation mistake ● Power supply problems. ● System leakage or block ●...
  • Page 49 9.2.10 Inverter compressor drive error diagnosis and solution(P4) Error Code Malfunction decision An abnormal inverter compressor drive is detected by a special conditions detection circuit, including communication signal detection, voltage detection, compressor rotation speed signal detection and so on. Supposed causes Wiring mistake ●...
  • Page 50 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.(Tp) sensor. Measure the resistance value of each winding by using the multi-meter.
  • Page 51 Appendix 1 Temperature Sensor Resistance Value Table for T1,T2,T3,T4 (°C--K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865...
  • Page 52 Appendix 2 Temperature Sensor Resistance Value Table for Tp (°C --K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392 430.5...
  • Page 53 2.Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value ASK89D53UEZ ASN98D22UFZ ASM135D23UFZ ATF235D22UMT Blue - Blue - 2.35Ω 1.57Ω 1.75Ω 0.75Ω Black (20℃/68℉) (20℃/68℉) (20℃/68℉) (20℃/68℉) Red - Blue...

This manual is also suitable for:

Fsoaif-pro-95ae2Fsaif-pro-125ae2Fsoaif-pro-125ae2Fsaif-pro-185ae2Fsoaif-pro-185ae2Fsaif-pro-245ae2 ... Show all

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