SERVICE MANUAL
Contents
1. Installation B Donot use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock B For electrical work contact the dealer seller a qualified electrician or an authorized service center Do not disassemble or repair the product there is risk of fire or electric shock B Always ground the product There is risk of fire or electric shock B Install the panel and the cover of control box securely There is risk of fire of electric shock B Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock B Use the correctly rated breaker of fuse There is risk of fire or electric shock B X Donot modify or extend the power cable There is risk of fire or electric shock B Do not install remove or reinstall the unit by yourself customer There is risk of fire electric shock explosion or injury B Be caution when unpacking and installing the product Sharp edges could cause injury be especially careful of the case edges and the fins on the condenser and evaporator B For installation always contact the dealer or an authorized service center B Do not install the product on a defective installation stand B 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 injury2. B Replace the all batteries in the remote control with new ones of the same type Do not mix old and new batteries or different types of batteries There is risk of fire or explosion B Donotrecharge or disassemble the batteries Do not dispose of batteries in a fire They may burn of explode B Ifthe liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of the batteries have leaked 2 Function Model Names of Indoor Outdoor Units Capacity FSAMI Pro 71AE2 FSAI Pro 91AE2 FSAI Pro 121AE2 FSAIF Pro 181AE2 DC Inverter Multi Series 2 ways of drainage Killer Of Formaldehyde Louver Position Memory Function lonizer Refrigerant Leakage Detect Silver lon Filter Self diag Function Cold Catalist Filter Hydrophilic Aluminum Fin Golden Fin 1W Standby Follow me 3 Dimension e o ow y oo 8 mM IDEEN I MENO EDO NE ODOMEPO amme A A ee ee a oe sO Ak ec S Dimension of installation Model L mm R mm H mm holen FSAMI Pro 71AE2 FSAI Pro 91AE2 100 95 45 c 65 FSAI Pro 121AE2 8 4 Wiring Diagram FSOAI Pro 91AE2 FSAI Pro 121AE2 NOTE If used as
3. B Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open B Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock B Do not place anything on the power cable There is risk of fire or electric shock B Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock B Do not touch operation the product with wet hands B X Donot place a heater or other appliance near the power cable There is risk of fire and electric shock B Do not allow water to run into electrical parts It may cause fire failure of the product or electric shock B Do not store or use flammable gas or combustible near the product There is risk of fire or failure of product B Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur B When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on B ifstrange sounds or smoke comes from product turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire B Stop operation and close the window in storm or hurricane If possible remove the product from the window before the hurricane arrives 4 There is risk of property damage failure of product or electric shock B Do not open the inlet grill of the pr
4. MONO unit for the standby control needs the cross section area of cable connected to W 1 L 2 N must be sufficient for the maximum system current The maximum system current is equal to the sum of indoor unit and outdoor unit rated current If used as MULTI unit W on the terminal block does not need to be connected INDOOR WIRING DIAGRAM prio 202032591566 2I I Fa p eS SS 1 OPTIONAL I F HEATER LK o ON3 1 ee O 0N132 OPTIONAL HOUR CBPER TIRE SENSOR A aw 5 m PIPE TENPERA RE SENSA OT 65 5 inpoon wnit n LE W wp nm n ooo OUTDOOR UNIT DICERET CONTROL BE OPTIONAL FSAIF Pro 181AE2 NOTE If used as MONO unit for the standby control needs the cross section area of cable connected to W 1 L must be sufficient for the maximum system current The maximum system current is equal to the sum of indoor unit and outdoor unit rated current If used as MULTI unit W on the terminal block does not need to be connected 202032891454 INDOOR WIRING DIAGRAM OPTIONAL Y G or ak i SWING MOTORI SWING MOTOR OPT I ONAL O CN12 1 CN12 2 OPTIONAL i ji I IIR SMITH CNG LEN MI y EN O CN62 WHITE L 0UT RE BLUE BLACK L IN gt RY PO BIPERATURE SENSOR YELLON CNR 2 ps Mi i YG Gun PIPE Tapa ec SOUR ev TE CN10A v KM e E SOSELE inor UNIT pase Drums O gogga OUTDOOR UNIT lt gt 3 O
5. Operation Modes and Functions 6 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 same as in cooling mode 5 Auto fan Ti 24 z 6 0 E m Lun a H L 0 75 L nm b H L 0 5 L ae C H L 0 25 L i 1 0 6 4 2 Cooling Mode 6 4 2 1 Compressor running rules The compressor will run at corresponding frequency according to the gross amendatory capacity demand COOL FO COOLF1 COOLF2 COOL F15 COOL F16 Meanwhile the maximum running frequency will be adjusted according to the outdoor ambient temp 13 A T4LimFre5 ADD 49 48 T4LimBred ADD 46 45 43 T4LimFre3 ADD 42 41 T4LimFre2 ADD 39 38 T4LimFrel A 37 No limit 6 4 2 2 Outdoor fan running rules Cooling ice A 28 26 25 23 C 221 20 D 19 17 E Y While A B C means different fan speed of outdoor unit 6 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 When the compressor is running the indoor fan is controlled as below 14 A oe speed speed M M M E M M M xe wq iain L L L D ce M fo qee T1 Ts T tm c2 ETI tri co LH cri i c3 T
6. lt gt Fishnex Aircon Solutions Ltd SERVICE MANUAL Room Air Conditioner Multi Split Wall Mounted Type Indoor FSAI Pro 91AE2 FSAI Pro 121AE2 FSAIF Pro 181AE2 NOTE Before servicing the unit please read this at first Always contact with your service center if meet problem FI SM Multi indoor FSAI Pro 91 121 181 241AE2 141105 Ot OE o OU N CONTENTS PFO CAUTION eet EE 3 Eroe gl er 0 0 9 Parmer eee ae ance eet ee terete ee eet eee MM DM MM MM DM ui 3 EAE aE EEA E EA Rm 3 FUNCUOM muc Eiaa aE EN EEEE 7 DIMENSIO Nenana a stadia et iliac 8 WINO Diagrama E 9 Operation CharacterisliCS e oer o eee eR va M ERR ne eove e vaava UUN A eaaa aaeain 10 Electronic UNCON 5 252 ooo cto ei at 11 D ADDEIOVIAUOD ra n vsti ianintaisatanieneeaniowanewanewaniceaaiseaaneialantnnewaacaaaeaasanancdsasnsanealecsumecess su nU 11 G2 DISD Ay TICE OM tcc m 11 5 9TVIaltTt rollo suave n niv n Rm EN DM aa nnd a Em 12 6 4 Operation Modes and FUNCTIONS cccccccccceecceceeeeeceeececeeececeeecesseecesseeeeseeeeeseaeeeseaeeeeeeeeessaees 13 1 Precaution 1 1 Safety Precaution B To prevent injury to the user or other people and property damage the following instructions must be followed B Incorrect operation due to ignoring instruction will cause harm or damage m Before service the unit be sure to read this service manual at first 1 2 Warning
7. more people to lift and transport the product B Donot 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 5 could cause product malfunction or inefficient operation Operational B Do not expose the skin directly to cool air for long time Do not sit in the draft B Donotuse the product for special purposes such as preserving foods works of art etc It is a consumer air conditioner not a precision refrigerant system There is risk of damage or loss of property B Do not block the inlet or outlet of air flow B Use a soft cloth to clean Do not use harsh detergents solvents etc There is risk of fire electric shock or damage to the plastic parts of the product B Do not touch the metal parts of the product when removing the air filter They are very sharp B Do not step on or put anything on the product outdoor units B Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage B X Do not insert hands or other objects through air inlet or outlet while the product is operated B Do not drink the water drained from the product B Use afirm stool or ladder when cleaning or maintaining the product Be careful and avoid personal injury
8. OPERATION indicator This indicator illuminates when the air conditioner is running TIMER Timer indicator This indicator illuminates when TIMER is set ON OFF Temperature indicator Displays the temperature settings when the air conditioner is A operational displays the room temperature in FAN mode Es Displays the malfunction code 11 6 3 Main Protection 6 3 1 Time delay at restart for compressor 1 minute delay for the 1 time start up and 3 minutes delay for others 6 3 2 Fan speed is out of control When Indoor Fan Speed keeps too low 300RPM for certain time the unit will stop and the LED will display the failure 6 3 3 Inverter module protection The Inverter module has a protection function about current voltage and temperature If these protections happen the corresponding code will display on indoor unit and the unit will stop working 6 3 4 Indoor fan delayed open function When the unit starts up the louver will be active immediately and the indoor fan will open 10s later If the unit runs in heating mode the indoor fan will be also controlled by anti cold wind function 6 3 5 Sensor protection at open circuit and breaking disconnection 6 3 6 Zero crossing detection error protection except FSAIF Pro 181AE2 If AC detects time interval is not correct for continuous 240s the unit will stop and the LED will display the failure The correct zero crossing signal time interval should be between 6 13ms 12 6 4
9. PTIONAL 7 i Wire Contoller 5 Operation Characteristics Temperature l l l l l Cooling operation Heating operation Drying operation Room temperature 1 7C 432 C 0 C 30 C 10 C 32 C 0C 50C Outdoor t t ona 15C 24C 0 C 50 C NDE A ae For the models with low temperature cooling system 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 Please set the vertical air flow louver to its maximum angle vertically to the floor and set HIGH fan mode 3 The optimum performance will be achieved during this operating temperature zone 10 6 Electronic function 6 1 Abbreviation T1 Indoor room temperature T2 Coil temperature of evaporator T3 Coil temperature of condenser T4 Outdoor ambient temperature T5 Compressor discharge temperature 6 2 Display function 8 2 1 Icon explanation on indoor display board AUTO DEFROST RUN TIMER o o o o Auto indicator This indicator illuminates when the air conditioner is in AUTO operation PRE DEF Indicator DEFROST This indicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating mode
10. Ts Indoor fan will run at auto fan of the relevant mode The louver operates same as in relevant mode If the machine switches mode between heating and cooling the compressor will keep stopping for 15 minutes and then choose mode according to T1 Ts If the setting temperature is modified the machine will choose running function again 18 6 4 5 Drying mode 6 4 5 1 Indoor fan speed is fixed at breeze and can t be changed The louver angle is the same as in cooling mode 6 4 5 2 Low indoor room temperature protection In drying mode if room temperature is lower than 10 C the compressor will stop and not resume until room temperature exceeds 12 C 6 4 5 3 Evaporator anti freezing protection condenser high temperature protection are active and the same as that in cooling mode 6 4 5 5 The outdoor fan operates the same as in cooling mode 6 4 6 Forced operation function 6 4 6 1 Enter forced operation function Press the touch button continually the AC will run as below sequence Forced auto Forced cooling Off When the machine is off pressing the touch button will carry the machine to forced auto mode after this if pressing the button once again the machine will turn into forced cooling mode In forced cooling mode pressing touch button will turn off the machine 6 4 6 2 In forced operation mode all general protections and remote control are available 6 4 6 3 Operation rules Forced cooling mode The compress
11. and T3 TCDI1 T3 T30SUBTSONE T30 2 If the compressor cumulate running time is up to 35 minutes and T3 TCDI2 T3 T30SUBT3TWO T30 3 If the compressor cumulate running time is up to 29 minutes and T3 TCDI3 for 3 minutes 4 If the compressor cumulate running time is up to 120 minutes and T3 15 C Condition of ending defrosting If any one of the following items is satisfied the defrosting will finish and the machine will turn to normal heating mode T3 rises to be higher than TCDE1 C 3 keeps to be higher than TCDE2 C for 80 seconds The machine has run for 10 minutes in defrosting mode 17 Defrosting action 4 Way valve no longer than 10min Compressor Cool F9 10S 30S Indoor fan Anti cold wind Outdoor fan 2 PMV running i 4 mins with 480P rf ni gt gt ry H ry gt rg X gt H gt H ra rg H H X X gt H ra gt r1 PMV 6 4 3 5 High evaporator coil temp T2 protection If T2 gt 63 C the indoor unit has no capacity demand and resume till 48 C 6 4 4 Auto mode This mode can be chosen with remote controller and the setting temperature can be changed between 17 30 C In auto mode the machine will choose cooling heating or fan only mode according to AT AT T1
12. essor will have 1 minute 20 delay when power on Other conditions the compressor will have 3 minutes delay when restarts 6 4 10 8C Heating optional In heating operation the preset temperature of the air conditioner can be as lower as 8 C which keeps the room temperature steady at 8C and prevents household things freezing when the house is unoccupied for a long time in severe cold weather 6 4 11 Mode conflict The indoor units can not work cooling mode and heating at same time Heating mode has a priority 6 4 11 1 Definition No No mode conflict Yes Mode conflict 6 4 11 2 Unit action e Suppose Indoor unit A working in cooling mode or fan mode and indoor unit B is set to heating mode then A will change to off and B will work in heating mode e Suppose Indoor unit A working in heating mode and indoor unit B is set to cooling mode or fan mode then B will change to stand by and A will be no change 12FMFI A 1401 21
13. he auto fan acts as below rules 6 0 E we 1118 H L 0 754L 25 b H L 0 5 L be C H L 0 25 L f 1 0 F 6 4 2 4 Evaporator low temperature T2 protection When T2 lt 4 C the indoor has no capacity demand and resume till T2 gt 8 C 15 6 4 3 Heating Mode 6 4 3 1 Compressor running rules The compressor will run at corresponding frequency according to the gross amendatory capacity demand 6 4 3 2 Outdoor fan running rules Heating i 14 t A 24 E 19 18 D 16 15 1 4C 13 12 34 10 A In heating mode indoor fan can be selected as high medium low and auto The anti cold wind function is preferential The running rules of anti cold wind function depend on both T1 and T2 that is more comfortable control 6 4 3 3 Indoor fan running rules When the compressor is running the indoor fan is controlled as below speed tri cs Hl Cri Co 16 Auto fan action in heating mode l T1 Tst 0 0 L 1 0 2s H L 0 2 L P l H L 0 4 L 3 0 H L 0 6 L 4 0 sol N Hyos 6 0 H L 0 8 L 6 5 a 1 6 4 3 4 Defrosting mode Condition of defrosting If any one of the following items is satisfied AC will enter the defrosting mode After the compressor starts up and keeps running mark the minimum value of T3 from the 10th minutes to 15th minutes as T30 1 If the compressor cumulate running time is up to 29 minutes
14. nd when reaching the setting time the timer LED will be off and the AC running mode has not been changed 6 4 7 7 The setting time is relative time 6 4 8 Sleep function mode 6 4 8 1 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode and turns off 6 4 8 2 Operation process in sleep mode is as follow When cooling the setting temperature rises 1 C be lower than 30 C every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed as low speed When heating the setting temperature decreases 1 C be higher than 17 C every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed as low speed Anti cold wind function has the priority 6 4 8 3 Timer setting is available 6 4 8 4 Timer off and remote controller off signals have the priority compared with sleep function 6 4 9 Auto Restart function The indoor unit is equipped with auto restart function which is carried out through an auto restart module In case of a sudden power failure the module memorizes the setting conditions before the power failure The unit will resume the previous operation setting not including swing function 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 C setting temp If AC is off before power off and AC is required to start up now the compr
15. oduct 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 B When the product is soaked contact an authorized service center There is risk of fire or electric shock B Be caution that water could not enter the product There is risk of fire electric shock or product damage B Ventilate the product from time to time when operating it together with a stove etc There is risk of fire or electric shock B Turn the main power off when cleaning or maintaining the product There is risk of electric shock B When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation B Take care to ensure that nobody could step on or fall onto the outdoor unit This could result in personal injury and product damage CAUTION B Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product B Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage B Keep level even when installing the product It can avoid vibration of water leakage B Donotinstall the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors B Use two or
16. or runs at F2 frequency and indoor fan runs as breeze After running for 30 minutes the machine will turn to auto mode as 24 C setting temperature Forced auto mode The action of forced auto mode is the same as normal auto mode with 24 C setting temperature 6 4 6 4 When there s indoor unit running in forced cooling it is the master forced cooling unit Other indoor units will run at forced cooling mode too and they will be the slave forced cooling units The slave forced cooling units cannot quit forced cooling mode until the master forced cooling unit quit and turn to cooling mode at low speed with 24 C setting temperature 6 4 6 5 The slave forced cooling units will not be controlled by other signals 19 6 4 7 Timer function 6 4 7 1 Timing range is 24 hours 6 4 7 2 Timer on The machine will turn on automatically when reaching the setting time 6 4 7 3 Timer off The machine will turn off automatically when reaching the setting time 6 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 time 6 4 7 5 Timer off on The machine will turn off automatically when reaching the setting off time and then turn on automatically when reaching the setting on time 6 4 7 6 The timer function will not change the AC current operation mode Suppose AC is off now it will not start up firstly after setting the timer off function A
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