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Duct Type Split Air Conditioner

Service Manual

CONTROL

2.5 Fan Mode

Fan mode

Compressor

Outdoor fan

Indoor fan

4-way valve

OFF

Run at set

speed

Time

OFF

Manually OFF

OFF

Htap

Indoor fan will run at high speed for 5s and then at setting speed.

The followings are for FG(R)25/CNa-M, FG(R)40/BNa-M

2.6 Cooling mode

Sequence chart of unit stop during cooling operation

Fan mode

Compressor

Outdoor fan

Indoor fan

OFF

High speed

Time

OFF

Control object

180s

Sequence chart of unit start during cooling operation

Содержание FG20/BNa-M

Страница 1: ...DUCT TYPE SPLITAIR CONDITIONER SERVICE MANUAL T1 R410A 50Hz GC201303...

Страница 2: ...Mode 15 2 6 Cooling mode 15 2 7 Dry mode 16 2 8 Fan mode 17 2 9 Heating mode 17 2 10 Defrosting mode 18 3 WIRED REMOTE CONTROLLER 19 3 1 Displaying Part 19 3 2 Buttons 20 3 3 Installation of Wired Co...

Страница 3: ...ng Design 48 4 3 Specification of Power Supply Wire and Air Switch 49 MAINTENANCE 51 1 TROUBLE TABLE 51 2 FLOW CHART OF TROUBLESHOOTING 52 2 1 High Pressure Protection 52 2 2 Low Pressure Protection 5...

Страница 4: ...1 Duct Type Split Air Conditioner Service Manual PRODUCT PRODUCT...

Страница 5: ...0A FGR20 BNa M O CF015W1010 FGR20 BNa M I CF015N1010 FG20 BNa M 20 5 6 FGR25 CNa M FGR25 CNa M O CF010W0720 24 5 6 86 27 5 7 7 R410A FGR25 CNa M I CF010N0720 FG25 CNa M 24 5 6 86 FGR30 BNa M FGR30 BNa...

Страница 6: ...itted High static pressure H The outdoor unit is not expressed 5 Frequency conversion system Default Fixed frequency P Frequency conversion 6 Control method Default Routine Y Remote monitoring 7 Desig...

Страница 7: ...its features Description Flexible installation Condensing water tube and refrigerant tube are in same direction it s better for installation Long distance duct air supply It adopts high static pressur...

Страница 8: ...flow CFM 2380 2825 2380 2825 m3 h 4000 4800 4000 4800 Input Power W 1100 1500 1100 1500 Running Current A 2 3 4 2 3 4 Rated ESP in wg 0 8 0 44 0 8 0 44 Pa 200 110 200 110 Fan Motor Protection Overload...

Страница 9: ...ermal Overload Fan Fan Type Drive Inner Groove Copper Tube Inner Groove Copper Tube Fan Speed rpm 850 30 850 850 30 850 Blade Material Plastic Plastic Diameter mm 524 524 524 524 Coil Tube Material In...

Страница 10: ...ut Power W 1500 2200 1500 2200 Running Current A 3 7 4 2 3 7 4 2 Rated ESP in wg 0 8 0 6 0 8 0 6 Pa 200 150 200 150 Fan Motor Protection Overload protection Overload protection Sound Pressure Level H...

Страница 11: ...stic Plastic Diameter mm 750 750 750 750 Coil Tube Material Inner Groove Copper Tube Inner Groove Copper Tube Fin Material Aluminum Aluminum No of Rows FPI 2 14 1 2 15 2 14 1 2 15 Coil Area Sqm 2 23 2...

Страница 12: ...Unit Indoor fan Outdoor Unit Electronic expansion valve Outdoor fan Condenser Filter Gas liquid separator compressor Evaporator 5 2 Heat Pump 4 way vavel D C S E Indoor Unit Indoor fan Outdoor Unit E...

Страница 13: ...10 Duct Type Split Air Conditioner Service Manual CONTROL CONTROL...

Страница 14: ...NTROL CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Dry Operation Power On Make unit running at cool or dry mode Indoor fan run Comp and outdoor fan run Yes Yes Yes No Comp and outdoor fan stop Satisfying...

Страница 15: ...Manual CONTROL 1 2 Heating Operation Power On Make unit running at heat mode Comp and outdoor fan run Yes Yes Yes No Comp and outdoor fan stop Avoid cool wind only when comp starts Satisfying starting...

Страница 16: ...pressor and outdoor fan stop running Indoor fan runs at setting speed When Tset 1 Tambient Tset 1 the unit will keep its previous running state 2 2 Dry Mode OFF ON OFF 1s 5s 15s OFF OFF OFF OFF Manual...

Страница 17: ...en Tset 1 Tambient Tset 1 the unit will keep its previous running state 2 4 Defrosting 1s 10s 10s ON ON Run at set speed OFF End defrosting ON OFF OFF OFF ON ON ON ON ON ON Compressor Outdoor fan Auxi...

Страница 18: ...me OFF Manually OFF OFF Htap Indoor fan will run at high speed for 5s and then at setting speed The followings are for FG R 25 CNa M FG R 40 BNa M 2 6 Cooling mode Sequence chart of unit stop during c...

Страница 19: ...it will stop running in cooling mode In this case compressor and outdoor fan stop running Indoor fan runs at setting speed When Tset 1 Tambient Tset 1 the unit will keep its previous running state 2 7...

Страница 20: ...tops for 4min in cycle Indoor fan runs at low speed 2 8 Fan mode Sequence chart during fan operation Compressor Outdoor fan Indoor fan OFF Time Control object ON ON ON ON ON OFF OFF OFF Run for 45min...

Страница 21: ...or fan runs at setting speed and under the condition of anti cold air When Tambient Tset 1 compressor and outdoor fan stop running the 4 way valve is still energized and indoor fan runs under the cond...

Страница 22: ...an 4 way valve Auxiliary electric heater If the unit heats for 45min accumulatively the compressor continuously runs for 4min and 50s and T condensate 5 for 1s defrosting will start If the unit defros...

Страница 23: ...n off mode or save is shielded by long distance monitoring 13 Turbo Turbo function state 14 Memory Memory state Indoor unit resumes original setting state after power failure and then power recovery 1...

Страница 24: ...t respond the press Repress key for 5s to quit lock state 4 Mode and 5 Function Enquiry and setting of address of wired controller Under the off state of the unit press Mode Function button for 5 sec...

Страница 25: ...ection lines The distance between them should be kept 20cm in min b If the unit is installed at the place where there is interference of electromagnetism signal line and wiring communication of wired...

Страница 26: ...g Under on state of the unit press Mode button to switch the operation modes as the following sequence Auto Dry Fan Heating Cooling 3 4 3 Temperature Setting Press or button to increase or decrease of...

Страница 27: ...3 9 3 4 5 Swing Control Function Under on state of unit press Function button till the unit enters swing control function and then press Enter cancel button to turn on swing control function During sw...

Страница 28: ...to confirm When LCD displays xx Hour On Off xx Hour means time of timer on but time of timer off won t be displayed Timer off setting Under on state of the unit without timer setting if Timer button i...

Страница 29: ...ess Enter Cancel button to turn on off air function After turning on this function the air mark shows There are 10 types of AIR but only 1 2 types are for remote control Refer to the following details...

Страница 30: ...n operation the system will be quit from air exchange setting and current energy saving data won t be memorized 3 4 8 Sleep Setting Sleep on Press Function button under on state of the unit into sleep...

Страница 31: ...n has run for 1 hour the preset temperature will be decreased by 1 C and 1 C in another 1 hour After that the unit will run at this temperature 3 4 9 Turbo Function Setting TURBO function The unit at...

Страница 32: ...ooling or dry mode of the unit press Function button into energy saving function with SAVE blinking Press or button to adjust lower limited value of setting temperature in cooing mode After that press...

Страница 33: ...After save setting if the setting temperature is out of the range in the mode the limited value will prevail 3 4 11 E HEATER Setting E HEATER In the heating mode E heater is allowed to be turned on f...

Страница 34: ...ng BLOW function After the unit is turned off water in evaporator of indoor unit will be automatically evaporated to avoid mildew In cooling and dry mode press Function button till the unit enters BLO...

Страница 35: ...fan or heating mode 3 4 13 Quiet Function Setting Quiet function consists of two kinds QUIET and AUTO QUIET Press Function button till the unit enters quiet function setting state Quiet or Auto Quiet...

Страница 36: ...ions Under off state of the unit press Function and Timer buttons continuously for 5s to go to the debugging menu Press Mode button to adjust the setting items and or button to set the actual value 3...

Страница 37: ...of the unit press Enter Cancel button for 5s outdoor ambient temperature will be displayed at temperature displaying location after a sound of click This enquiry state will quit by pressing any button...

Страница 38: ...unction F2 Condenser sensor malfunction F3 Outdoor unit ambient temperature sensor mal F4 Discharge temperature sensor malfunction F5 Ambient sensor malfunction on Displayer or LED board 3 6 Setting o...

Страница 39: ...troller The function can be set and go into effect at any time and features very simple operation Refer to the section of wired controller instructions for detailed operation Fig 3 22 3 6 4 Position a...

Страница 40: ...wood plug into each hole fix the bottom plate of the wire controller to the way through these two holes plug the control wire onto the control panel and lastly install the panel of the wire controlle...

Страница 41: ...en remote controller will send out the signal immediately and hour on off will stop flickering If the time of that no press timer button under flicking status is above 5s the timer setting will quit I...

Страница 42: ...g rang d It should be placed where is 1m away from the TV set or stereo sound sets e If the remote control cannot operate normally please take the batteries out and then reinsert it 30s later if it is...

Страница 43: ...week part of time 4 CANCEL DELETE Button short press cancel delete to back to default page or last process long press cancel delete to cancel timer of a certain time period in a certain day 5 SINGLLE...

Страница 44: ...nit on on will display off when set unit off off will display 7 timer on time displays Display starts time 8 on control displays When set unit or group on it will display 9 off control displays When s...

Страница 45: ...42 Duct Type Split Air Conditioner Service Manual INSTALLATION...

Страница 46: ...e the unit at the beam and fix it 1 2 Installation Site Ensure the top hanging piece has strong strength to withstand the weight of the unit The drainage pipe has convenient flow of water There is no...

Страница 47: ...allation 1 After receipt of the unit please check the unit for damage during transport If there is external or internal damage please notify the company by written form 2 After receipt of the unit che...

Страница 48: ...ing or a rainproof cloth should be utilized 5 The inlet and outlet port should not be blocked 6 Make sure the well air circulation 7 Selection a location that is far away from combustible or explosive...

Страница 49: ...nditioner Service Manual 1772 A 880 840 C 2 B 2 844 2 Unit mm Model A B C FG R 30 BNa M O 990 787 387 FG R 40 BNa M O 1290 1160 850 2 4 Installation Clearance Data 1200 1000 1000 1000 3000 300 300 300...

Страница 50: ...arge the diameter of bends The permitted maximum value of each case Height difference between the indoor and outdoor unit 30m 900 Number of bends 12 Length of connecting pipes 50m The pipe meld type c...

Страница 51: ...be well earthing to the ground by professionals 6 Install a central switch which can cut all the power switch and air switch of the system 7 The air switch should have hot and magnetic auto turn off f...

Страница 52: ...50Hz 10 H05VV F 1 5 H05VV F 1 5 FGR40 BNa M I 380 415V 3N 50Hz 10 H05VV F 1 5 H05VV F 1 5 FG20 BNa M I 380 415V 3N 50Hz 10 H05VV F 1 5 H05VV F 1 5 FG25 CNa M I 380 415V 3N 50Hz 10 H05VV F 1 5 H05VV F...

Страница 53: ...50 Duct Type Split Air Conditioner Service Manual MAINTENANCE...

Страница 54: ...turn off all loads except for 4 way valve and shield all buttons and remote control signal except for ON OFF button Then LED will blink and display the corresponding error code E5 and the complete uni...

Страница 55: ...e gauge to measure the pressure if it I real high pressure the system pipes are jammed Check if the filters or heat exchange fins for the indoor and outdoor units are contaminated or jammed Particular...

Страница 56: ...unit have been set correctly Check if the refrigeration capacity of the system is too low Check if the filter and heat exchange fins of the outdoor unit are dirty or clogged Check if the capacity out...

Страница 57: ...istance of temperature sensor is correct Replace the conesponding discharge temperature senson of connecting line No Yes 2 4 Overcurrent Protection Abnormal overcurrent error Yes No Yes Yes Yes No No...

Страница 58: ...locations of plug and faucet Replace communication line Confirm locations of plug and faucet Please wind the magnetic rings with the unit Yes Yes Yes Yes Yes No No No No 2 6 Temperature sensor malfun...

Страница 59: ...correct value Replace relay Increase static pressure of duct select to clo se the air valve smaller Yes Yes Yes Yes Yes No No No No Eliminate malfunction Replace indoor motor No 2 8 F0 Failure of Ind...

Страница 60: ...Evaporator Temp Sensor Remove the sensor to check if the resistance value is ok check if the plug of the temperature sensor is correctly connected with socket on the main board Yes No No Yes Replace...

Страница 61: ...58 Duct Type Split Air Conditioner Service Manual 3 WIRING DIADRAM FGR20 BNa M I FGR20 BNa M O LL...

Страница 62: ...59 Duct Type Split Air Conditioner Service Manual FGR25 CNa M I FGR25 CNa M O...

Страница 63: ...60 Duct Type Split Air Conditioner Service Manual FGR30 BNa M I FGR30 BNa M O...

Страница 64: ...61 Duct Type Split Air Conditioner Service Manual FGR40 BNa M I FGR40 BNa M O...

Страница 65: ...f wire corresponding to the terminal when Removing the wire and the mixture can be avoided when recovering the wire connection 2 Cut off the connection between compressor and pipes Don t leave the wel...

Страница 66: ...Instruction Remove electric coils of 4 way valve Place electric coils far away from the 4 way valve to prevent the connecting line of 4 way valve from burning when succeeding welding Disconnect the p...

Страница 67: ...64 Duct Type Split Air Conditioner Service Manual 5 EXPLODED VIEWS AND PART LIST 5 1 Indoor Unit 1 Model FGR20 BNa M I Exploded View...

Страница 68: ...15 Left Side Plate 2 01315367 1 16 airproof Panel 2 01345219 1 17 Left Side Plate 1 01315376 1 18 Fan left SYP 250 190J 1 15705306 1 19 Motor FG1200A 15705229 1 20 Fan right SYP 250 190J 1 15705307 1...

Страница 69: ...66 Duct Type Split Air Conditioner Service Manual 2 Model FGR25 CNa M I Exploded View...

Страница 70: ...Pulley 10548156 1 15 Taper Sleeve 10548218 1 16 Right Side Plate 2 01315350 1 17 FrontPanel_OutsideMachine 01284142 1 18 MetalBase 01194136 1 19 Electric Box fixity 3 01749058 1 20 Electric Box fixit...

Страница 71: ...68 Duct Type Split Air Conditioner Service Manual 3 Model FGR30 BNa M I Exploded View...

Страница 72: ...e 01309105 1 19 temp sensor 15K 390001913 1 20 temp sensor 20K 3900020720 1 21 Water Tray 01285309 1 22 Metal Base 01285312 1 23 Display Board 30294219 1 24 Electric Box fixity1 01749056 1 25 Electric...

Страница 73: ...70 Duct Type Split Air Conditioner Service Manual 4 Model FGR40 BNa M I Exploded View...

Страница 74: ...rotate axletree 10549057 1 17 Water Collecting Tray Sub Assy 01285220P 1 18 Belt SPA 76318309 2 19 Belt Pulley 10548149 1 20 Taper Sleeve 1610 28 10548213 1 21 Belt Pulley 10548155 1 22 Taper Sleeve...

Страница 75: ...Service Manual 5 2 Outdoor Unit 1 Model FGR20 BNa M O Exploded View Parts List No Names Material code Qty 1 Compressor SH090A4ALB 00205243 1 2 eletricity calefaction strip 76515211 2 3 spring 73028761...

Страница 76: ...n Plate 01845227 1 25 Motor LW92E 15705701 2 26 Axial Flow Fan 10338701 2 27 Streamlined Dome 2 26904120 2 28 Grill 26904119 2 29 Left Side Plate 01314163P 1 30 Front Plate 01514101P 1 31 Front Side P...

Страница 77: ...ansformer 4311023302 1 7 terminal board 42011043 1 8 main board 30224309 1 9 electric box assy 01395796 1 10 main board 30224211 1 11 phase reverse protector 46020052 1 12 collecting gas pipe sub assy...

Страница 78: ...off valve 07130212 1 29 cut off valve 07130209 1 30 valve support sub assy 01715402 1 31 compressor 00205238 1 32 retaining plate sub assy 01845224P 1 33 inhalation tube sub assy 04675387 1 34 clapboa...

Страница 79: ...No Names Material code Qty 1 Chassis Sub assy 01195703P 1 2 4 way Valve Sub Assy 04145336 1 3 Capillary Sub Assy 04105219 1 4 Gas Valve Sub Assy 07305208 1 5 Liquid Valve Sub Assy 07305207 1 6 One way...

Страница 80: ...5 Supporting Strip1 01894607 1 26 Supporting board3 01798797 2 27 support sub assy1 01894605 1 28 Supporting Strip Front Panel 01798808 3 29 Front Panel1 01538736 1 30 Front Panel2 01538734 1 31 Elect...

Страница 81: ...64110P 1 3 Rear Panel 01544104P 1 4 Rear Lining Board Sub Assy 01264113P 1 5 Rear Strengthen Girder 01854102P 1 6 Rear isolation sheet 22414101 1 7 Fan Blade 10355801 1 8 Motor SW650A 15704601 1 9 Mot...

Страница 82: ...ning Board Sub Assy 01264111P 1 29 Support plate 01894101P 1 30 Front vertical prop sub assy 01854103P 1 31 Base Plate Sub Assy 01285279P 1 32 Compressor 00205244 1 33 Valve Rack 01805399 1 34 Cut off...

Страница 83: ...JF00300277...

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