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Technical Service Manual Version One

1. wi FG Series wind pipe blowing air conditioning unit FG R 6 5H A FG R 7 5H A Indoor unit parts breakdown No Code Name ig No FGO R6 5H A FG R 7 5H A ty 01258614 Cover board of air return FGR7I 0000008 J 2 01258612 Lower cover plate parts FGR71 02000000 fJ 1 3 01278612 Water container_parts FGR7IO800 J I 4 01498609 Air return port side plate assy FGR71 07000000 pS 15018612 Motor FGISOB FGRD10 01010008a 1 Z J 1 6 15018603 Fan motor D lefttype FGRD101 03010003 oes E Fan mounting plate ay RR f H a Ln 1 ElL ID I e l ke l pd lon l ked l ked ke l ked l ed l ked l ked l ed T H e E 01008628 AREA 12 01408628 Elecirieboxassy FGRDIOL12010000 02115001 Heating element locking parts 1 RFD12WA 1 7 3L used by heat 3 used by heat pumpl pump 01222401 Electric heating pipe fixing bar 1252PA 0100001 ai SL used by keat pumpl pump EI 46018501 Thermal protector assy FGR71 10000001 1 used by heat 1 used by heat SRE JE ME LOL 0n TE ET DE A 390000451 D aiurea 3900018717 30505002 Remote controllerzy502a 30505 002MX 30294002 Display board Z4015 30294 002MX EE only typel 30294001 Display board Z4035 30294 001MX O IL used by heat pumpl ene Display board Z4415_M 30294 401MX T only typel aT een 01258651 Upper cover plate parts FGR7LI 0 1000000 pumpl pump E 01224255 He
2. Fan motor e Screw off the fastening screw of the fan and take down the fan As shown in Fig 4 2 1 13 Fan mounting plate Fan fastening screw Fig 4 2 1 13 12 Disassembly of fan motor e Loosen the connection plug of the motor wire lead the Motor fixing bolt motor wire through the wire hole e Screw off the fixing bolt of the motor and take down the motor As shown in Fig 4 2 1 14 Fig 4 2 1 14 _ 54 semi pe AD 4 2 2 Disassembly procedures of the outdoor unit Front side plate 1 Disassembly of front side plate e Screw off the fastening screw of the front side plate As shown in Fig 4 2 2 1 i fe GREE e Grasp the handle and push the front side plate gt Handle ji downwards Fastening bolt ni Fig 4 2 2 1 2 Disassembly of rear side plate e Loosen the power cable and the control on the connection terminal and pull out the power cable and the control wire e Screw off the fastening screws of the electric box and those of the rear side plate e Grasp the handle and pull out the front side plate upwards as shown in Fig 4 2 2 2 _55 FG Series wind pipe blowing air conditioning unit 3 Disassembly of electric box e Screw off the fastening screw of the electric box pull it upwards by hand and disassemble the electric box as shown in Fig 4 2 2 3 Fig 4 2 2 3 4 Disassembly of the compressor Air dischar
3. 12 Disassembly of motor and fan motor e Loosen the connection plug of the motor wire and lead Motor M the motor wire through the wire hole boet K e Screw off the fixing bolt of the motor bracket and take fi out the motor bracket d e Screw off the motor fixing bolt on the motor bracket Motor fixing bolt then pull out the motor backwards as shown in Fig 4 2 2 13 E E oo E Sa oo m El b a E SS EE n E PE L a 59 TH More than 20 of the air conditioner malfunctions are caused by the electrical installation Therefore the quality of the electrical installation directly affects the application or even affects whether the system can start up and operate reliably So enough attention must be paid to the electrical installation of the ducted type unit Now the structure of the electric box of the ducted type unit is introduced as follows ji a i a Minboard Tansformer Fan motor capacitor AC contactor Pwer terminal block d Indoor electric box Fan motor capacitor Mainboard AC contactor Over current protector Transformer Inverse phase protector 2 8 Terminal board 4 position terminal ES 2 A board Outdoor unit electric box _ 60 P sa Unit maintenance 4 3 Maintenance item 4 3 1 Cleaning the air filters 1 Do not disassemble the air filter when cleaning is carried
4. a Adjust fan position the shell There is abnormal sound in the Replace the compressor compressor In heating there is electromagnetic There is short circuit in the magnet sound in the four way valve alve Replace the magnet valve 37 FG Series wind pipe blowing air conditioning unit 3 Check list of malfunction code When there is malfunction existing in system running malfunction code will be displayed on the wire controller The meanings of the malfunction codes are in table 3 3 1 Malfunction Code Malfunction A Rp Air outlet sensor malfunction Protection of compressor high en LM pressure etc Indoor anti freezing protection i E3 Compressor low presser protection Compressor discharge temperature protection i Indoor temperature sensor malfunction F4 _ 38 BQ andan Chapter 4 Maintenance 4 1 Explosive view and spare parts list 4 1 1 Indoor unit parts breakdown and check list As shown in Fig 4 1 1 1 Fig 4 1 1 1 Indoor unit parts breakdown 39 FG Series wind pipe blowing air conditioning unit FG R 2 6H A FG R 3 5H A Indoor unit parts breakdown Quantity No Code Name Fig No e 15002401 Fan motor ass GSTA238LAT 03000000 1 1 01339062 EM 01008704 VJ25P 04000000 Evaporator parts o 01079055 Evaporator fet bracket 01309051 13 01222024 Heating element locking parts 3551PA 1000106 2 used by 2 used by heat heat pump pump LIT 01492476
5. C rv232BH1AA Compressor and its fittings 00100131 L 1 1 Shn33TC4 U Compressor and its fittings 00100140 L 1 1 SHV33YE6UG 01233382 Separator ppp O O Ola OJO k 1 Disassembly of top cover plate e Screw off the screws which fix the top cover around take off the top cover plate As shown in Fig 4 2 1 Fig 4 2 1 2 Disassembly of electric box assy e Screw off the fastening screws of the electric box cover as shown in Fig 4 2 2 Fastening screw of electric box 1 Fig 4 2 2 e Disassembly of electric box cover as shown in Fig 4 2 3 9 es N 4 Disassembly of fan motor e Screw off the fastening screw of the fan scroll case as shown in Fig 4 2 4 e Take down the fan scroll case as shown in Fig 4 2 5 as shown in Fig 4 2 6 Fig 4 2 5 Fig 4 2 6 _ 92 Disassembly procedure w 5 Disassembly of fan motor e Screw off the motor fastening screw Fig 4 2 7 Fig 4 2 7 e Screw off the hexagonal fixing bolt of the motor take down the fan Fig 4 2 8 Fig 4 2 8 e Screw off the fixing bolt of the motor as shown in Fig 4 2 9 Fig 4 2 9 93 FG Series wind pipe blowing air conditioning unit Nx e Take down the fixing clamp of the motor as shown in Fig 4 2 10 H Fig 4 2 10 6 Disassembly of electric heating pipe assy e Screw off the fixing bolts of the locking parts of the electric h
6. _ 83 FG Series wind pipe blowing air conditioning unit Chapter 3 Operation debugging and malfunction diagnosis 3 1 Check list of unit operation conditions and check items Refer to check items of A series 3 2 List of parameter changes of unit operation Refer to the list of parameter changes of A series 1 Power is not on The air conditioner has electric leakage and o causes the switch tripping The air conditioner can not start up The wire voltage is too low The working button 1s closed The control circuit has malfunction There are obstacles ahead of the condenser oa The control circuit is abnormal The air conditioner operates but soon stops When the outdoor ambient temperature is higher than 43 C the cooling operation begins 1 The air strainer has dirt or is blocked 2 There is heating source in the room or there are too many people 3 Doors or windows are opened The cooling effect is bad 4 There is obstacle at the air inlets and outlets 5 The set temperature is too high and causes the secondary refrigerant leakage The performance of the room temperature sensor becomes bad The air strainer has dirt or is blocked Doors or windows are not tightly closed The heating effect is bad Leakage of cooling agent 1 2 3 The set room temperature is too low 4 5 The outdoor ambient temperature is lower than 5 C The control wire is abnormal The installation position of the p
7. 1 Light current 2 1 1 circuit diagram FGR2 3 B 0 circuit diagram FG2 3 B0 circuit diagram _ 66 FG3 5 B 0 circuit diagram FGR3 5 B 0 circuit diagram _ 67 Circuit diagram FG Series wind pipe blowing air conditioning unit FGS5 B 0 FGRS B 0 circuit diagram circuit diagram _ 68 s wal FG6 5 B 0 circuit diagram FGR6 5 B 0 circuit diagram _ 69 Circuit diagram FG Series wind pipe blowing air conditioning unit FG2 3 B 1 FG2 6 B 1 FG3 5 B 3 5 circuit diagram FGR2 3 B D FGR2 6 B FGR3 5 B D circuit diagram _ 70 LZ i Circuit diagram y FGS B circuit diagram A E LR ET FGRS B D circuit diagram ie FG Series wind pipe blowing air conditioning unit FG6 5 B I circuit diagram FGR6 5 B I circuit diagram 72 3 Circuit diagram 2 1 2 List of wiring Please note The length of all signal wires and power cables of the super thin ducted type unit must be within 15 meters FGR 6 5 B FG 6 5 B Power connection cord 3 X 2 5mm Power connection cord 3 X 2 5mm Power connection cord 6X 2 5mm Power connection cord 4X 2 5mm FOR2 3 B FCR2 6 B FCR3 5 B FG 2 3 B FG 2 6 B FG 3 5 E Power connection cord 3 X 2 5mm Power connection cord 3 X 2 5mm Power connection cord 2X 2 5mm Power connection cord 3 X 2 5mm Power connection cord 3 X 2 5mm FCRD B FC5 B Power connection cord 3 X 2 5mm
8. During heating operation after the operations in the sleeping mode the set temperature will drop by1 2 C in a certain period of time and the unit will then operate under the condition of the set temperature Le a Manual controller 77 Guide to operational controls General steps 1 After connecting to the power supply press the ON OFF button and the air conditioner unit is ready for operation 2 Press the MODE button to select the needed operational mode 3 Set the fan speed by pressing the FAN button 4 Press button to select the needed temperature Optional steps 5 Press the SLEEP mode button to set the unit in the sleeping mode 6 Press the TIMER button and press the button as well to set the desired operation time 7 Press the ON OFF button again the air conditioner unit stops operation The air conditioner supplies the remaining coldness or heat for 20 70 seconds NOTE When the selected operational mode of the indoor units contradicts the operational mode of the outdoor unit the fault alarming light of the indoor unit will flash in 1 second and the indoor unit will stop operating In this case you may shift the operational mode of the indoor unit to the operational mode not contradictory to that of the outdoor unit and the unit will restore its normal operation The cooling mode and the dehumidification mode are not contradictory to each other The air delivery mode is not conflicting to any othe
9. R is for heat pump units the cooling only units are not expressed Product type For the FG Series Ducted Air conditioning Units 1 2 Unit model expression method and example 1 2 1 Model expression method 1 2 2 Example FG6 5 B It refers to the zero static pressure air duct air supply cooling only and super thin air conditioner unit with the nominal cooling capacity of 6 5KW _ 62 1 3 Unit outline drawing and combination example 1 3 1 Outline drawing Outdoor unit Indoor unit _ 63 FG Series wind pipe blowing air conditioning unit 1 3 2 Combination example VIN Bledi lni w IU M I ul ITI D lO Wd UI ee T 111 1 4 Unit working principle and system diagram same as A series 1 5 Unit installation space same as A series _ 64 h Technical parameter 1 6 Product specification and technical parameter see the following table Performance parameter table of super thin ducted type unit zero static pressure erence a a i o oe R ee ee Lee HEATING capacity heat 2550 500 2800 500 3700 800 5600 1500 7000 2100 oe conversion er em a fn see Power heat pump heat 800 500 920 500 11217 800 1849 1500 2200 2109 conversion Power E o so Fully closed rotation type PERETE IE m RE o uo E o ET a a a rr lt ee IEA TALA ee RES Cooling E Name Diameter of Connection See mm p 9 52 p 9 52 l
10. RR RR IO O O O O ET i ep 50000 00 0000100 e EII EN EREI EREI O eps OI EN NE CTE PPP he E eC ERE CRER EN KN Motor bracket I Top cover plate Capacitor CBB65 50uf 440V Capacitor CBB61 1 5uf 450V iag Capacitor CBB61 2 Suf 450V Capacitor CBB61 3uf 450V Kuina 89 Capacitor CBB61 3 5uf 450V ganga FG Series wind pipe blowing air conditioning unit Quantity Material FG R 2 3 B 0 FG R 2 6 B 0 FG R 3 5 B 0 FG R 5 B 0 FG R 6 5 B 0 No Material name or heat cooling heat heat cooling pump only pump only pump only pump only pump only ee SEE o fao o je o oos o o fo fo fo fo Po Po ji eee os s ACC o o aa Po e T rooms 2 2 2 2 2 papa jojo T i pit Four way valve 1 PU ee EI EREI ERE EI EI IEI F DSF 4 e gt DORE SHF 7 STF 0223 DHF 3 43000403 L F DSF 9 promos o o 2 2 2 2 CI IO A E ose fe po RR H R S i LO 0 jojo Comes o o fo fo fo fo fi jo fo H oroo o o o fo fo fo jo fo fi gane paa 1 fo fo jo jo jo fo jo e s A fes o fo a A TE ET te ps o fo fo fo fo jo jo fo tipo toto aves onos o fo fo jo fo fo fo a LEE o fo Do fr are onos o fo pap po jo jo fo fou wwen onon fo fo fo fo foi 2 emess ones o a fo fo fo jo jo fo fi foto jou Que e e o foto fr Compressor and its fittings 00100091 1 1 SD145cv heau Compressor and its a 00120110 1 1 fittings 2p17s225ana Compressor and its fittings 8 00100339 1 1
11. TIMER ON The unit is stopped when the timer for turning on acts When it is time to turn on the PCB will act in the set mode 32 Protection measure 3 2 1 High pressure protection When the high pressure is detected all the loads of the system are closed and E1 is displayed After the ON OFF button is closed the sound alarm is removed Press the ON OFF button to resume the operation 3 2 2 Low pressure protection When the low pressure is detected all the loads of the system are closed After the low pressure is eliminated it automatically resumes the operation If there 3 consecutive low pressure protection E3 is displayed and the system can not automatically resume After the ON OFF button is pressed to shut down the unit the sound alarm is removed Press the ON OFF button again to resume the operation 3 2 3 Indoor antifreezing protection When the antifreezing protection is detected the compressor and external fan will stop the indoor fan will run in the old mode and the LCD displays E2 When antifreezing protection is eliminated and the compressor has stopped for 3min the whole unit will be put into the normal operation 3 2 4 Indoor super high temperature protection In the heating operation when it is detected that the temperature of the evaporator is too high the external fan will stop operation When the pipe temperature of the evaporator is normal the external fan will resume operation 3 2 5 Indoor environmental sensor
12. a T ae a EN EE En 01108630 FGRD10 0 01000000 xie l n ej Re ked me r l e l elil L ej ejej e TT l r l ek l a l sS i o i ii 01108058 Condenser pans FGR10 O 01000000 7 1 7 7 7 01103456 Condenser pans KFRTOOWpKO1000000 7 7 J o 7 7 01108604 Condenser pans FGR12 0 01000000 7 7 7 4 7 01103455 Condenser pans KFRI20WpKO1000000 7 7 7 1 o oms ES E RO e e UE N parts pump HDH JU DAN 4 parts pump parts pump pars heat pump E heat RE E a o PE 1 1 ked l 07103701 Small valve assy KF120WtB 01000001 07105435 Big valve assy KFR120W1B 13000000 Outdoor ambient 390001291 temperature TY 13 02 18 01 sensor Outdoor ambient 20 3900012125 temperature TY 13 02 19 25 sensor Outdoor ambient 3900012126 temperature TY 13 02 19 26 sensor Outdoor pipe 390001211 temperature TY 13 02 19 01 sensor Outdoor pipe 3900012126 temperature TY 13 02 19 26 sensor Outdoor pipe 3900012129 temperature TY 13 02 19 29 sensor 49 FG Series wind pipe blowing air conditioning unit 4 1 Disassembly Procedures 4 2 1 Disassembly procedures for indoor unit 1 Disassemble electric box Fastening screw of e Screw off the fastening screws of the electric box i electric box 4 cover remove the electric box cover as shown in Fig 4 2 1 1 e Loosen the power cable and the
13. avoid damages caused by the high temperature 8 Disassembly of the small valve gate e Screw off the 2 bolts fastening the small valve gate e Unsolder the soldering point between the small valve and the air return pipe take down the small valve as shown in Fig 4 2 2 8 Note To unsolder the soldering points do not let flames touch other parts The valve body must be completely wrapped by wet cloth to avoid damages caused by the high temperature Disassembly procedure Capillary Big valve gate Small valve gate 25 FG Series wind pipe blowing air conditioning unit 9 Disassembly of axial flow fan e Screw off the two tapping screws fastening the face Face cover cover as shown in Fig 4 2 2 9 e Pull out the face cover downwards locks on the back of the face cover Bolt Fig 4 2 2 9 e Screw off the spherical nut that fastens the axial flow fan Se a take down the external teeth lock washer I __Axial flow e Pull out the axial flow fan as shown in Fig 4 2 2 10 fan i Spherical nut me Fig 4 2 2 10 cr Dai e Top cover 10 Disassembly of the top cover Fi Screw off the screws which fix the top cover around SE take off the top cover As shown in Fig 4 2 2 11 Top cover fixing nut 4 _ 58 ED Disassembly procedure w 11 Disassembly of panel e Screw off the panel fixing bolt and take down the panel as shown in Fig 4 2 2 12
14. be 24 hours press the timing button again to eliminate the timing the remote controller may also be used to eliminate the timing The set range is 0 5 24 hours 7 When there is malfunction in the system the malfunction code will be displayed on the wire controller As shown in Fig 8 the indoor ambient temperature sensor malfunction is displayed Meanings of the malfunction codes are as follows Malfunction Code EI Compressor high pressure protection Indoor Anti freeze protection E Compressor low pressure protection 3 m a FO malfunction malfunction heating Fig 8 If the wire controller displays the malfunction the unit may be shut down to stop the malfunction display and the professional personnel are to be asked to eliminate the malfunction 8 Power down memory function When the air conditioner is in the operation mode and the power is cut off the controller will memorize the last ON OFF mode the air speed the set temperature and the timing operation status A Note When there is a EH malfunction please immediately cut off the unit power and ask the professional personnel for repair _ 80 Names and functions of each part of the remote controller For the air duct indoor unit the remote controller is optional A NOTE Be sure that there are no obstructions Do not drop or throw the remote controller Avoid any liquid flowing in
15. buttons The wire controller only receives the four remote control instructions from the remote controller 1 e ON OFF mode air speed and temperature setting The remote controller does not receive the shutdown instruction when the system has any malfunction and the ON OF button on the wire control panel must be pressed in order to shut down the unit 3 5 Communication function The communication distance between the mainboard and the wire control panel may reach 20 meter the standard distance provided is 8 meters 3 6 Key lock function of manual controller The function should be similar to that of the cellphone Press the temperature selection button TEMPA and the temperature selection button TEMPY and the key will be locked The screen will display EE Press them again to release the lock 3 7 High temperature protection for air discharge pipe of compressor After the compressor starts up if it 1s detected that the air discharge temperature of the compressor is too high then shut down the compressor and the external fan and the unit enters the protection status When it is detected that the air discharge temperature is normal then the compressor restarts the operation From the detection of the first malfunction if the high temperature protection for the air discharge pipe is consecutively detected for 3 times within 30 minutes the high temperature protection E4 for the compressor will be displayed and the buzzer will sound th
16. control wire on the connection terminal pull out the power cable and the control wire e Screw off the fastening screws of the electric box remove the electric box as shown in Fig 4 2 1 2 Fig 4 2 1 1 Fastening screw of electric box 4 2 Disassembly of side plate of rear air return port e Screw off the fastening screw of the rear air return port take down the side plate of the rear air return port as shown in Fig 4 2 1 3 Side plate of rear ai return port r i Fastening screw of rear air return port _ 50 Disassembly procedure w 3 Disassembly of side plate of air supply port e Screw off the fastening screw of the air supply port take down the side plate of the air supply port as shown in Fig 4 2 1 4 q Fastening screw of air outlet Air outlet Fig 4 2 1 4 4 Disassembly of lower cover plate Screw off the fastening screw of the lower cover plate take down the lower cover plate As shown in Fig 4 2 1 5 Lower cover plate Fixing bolt of lower cover plate Fig 4 2 1 5 5 Disassembly of right side plate e Screw off the bolts of the right side plate and take off the right side plate As shown in Fig 4 2 1 6 Right side plate Drainage pipe E k d O Bolts of the right side plate Fig 4 2 1 6 51 FG Series wind pipe blowing air conditioning unit 6 Disassembly of water tray Take out the water tray assy As shown in Fig 4 2 1 7 7 Disa
17. design and construction in order to bring its advantages into full play For the ducted type unit as the price of the unit is relatively low it is impossible for the manufacturers to consider the energy adjustment issue of the unit when they manufacture the ducted type unit And the feature of the ducted type unit is if one part is opened all is opened In the application this make the ducted type unit waste energies It can not bring into play its advantage which is to have a higher energy efficiency than the cold water unit and on the contrary it wastes the power sources If during the engineering the model selection design construction and other steps for the units are not well handled this problem will become more serious If these steps are well handled the advantages of the ducted type unit used as the household air conditioner will be brought into full play Coefficent of correction of the influence on cooling volume by indoor and outdoor temperature Indoor wet bulb E 17 18 19 20 21 22 23 temperature C Outdoor dry bulb OT 0 966 1 028 Coefficent of correction of the influence on cooling volume by indoor air quantity Coefficent of correction of cooling 99 FG Series wind pipe blowing air conditioning unit The reasonable and standard installation to a great extent determines whether the function of the ducted type unit can be normally realized whether it is convenient to use whether the equipment o
18. disappear _ 61 FG Series wind pipe blowing air conditioning unit Section Two B series small ducted type unit Chapter 1 Summary 1 1 Product summary Gree s B series small ducted type unit is the super thin ducted type unit independently developed by the company itself The unit combines the advantages of the A series and meanwhile has the features of being convenient and flexible in installation and maintenance It has been accepted and favored by a large number of users The application of the new intelligent defrosting mode enables the unit to operate more efficiently and reliably It may be widely applied to various small supermarkets chain stores families with multiple living rooms hotels restaurants offices meeting rooms and villa families Cooling only Heat pump Zero static pressure unit FG2 3 B FG2 6 B FGR2 3 B FGR2 6 B FG3 5 B FG5 B FGR3 5 B FGRS B The current models of B series small ducted type units are in table 1 1 1 Table 1 1 1 LIMIT Design No it stands for B series Unit type O is for outdoor unit I is for indoor unit Frequency conversion system P is for the frequency conversion system the fixed frequency system is not expressed Excess pressure type H stands for the multi excess pressure the common excess pressure super thin type is not expressed Cooling capacity Number X kW Power supply type D is for the single phase the three phase is not expressed Air conditioner type
19. i Timing 15 IL 2 i L gt GREE ity On off C 0 U a Integral parts of wire controller Display board identification code the cooling only unit is gt Remote controll receiver FG 05 and the cooling and heating unit is FG eu Mode displ ling d ly dy heat ode N Hh cooling dry HH air supply WJ heating dg 10 MODE button automatic RE Set temperature increase Ambient temperature display b utton Set temperature decrease 4 Sleep display 12 button Air a display automatic high speed middle speed low B oi rary 6 Set temperature display ane button 7 Defrosting status display 15 Timing button 8 Timing display 16 ON OFF button FG Series wind pipe blowing air conditioning unit 1 ON OFF Fig 2 Press the button the unit will start working Repress the On Off button the unit stops working 2 Fan control Fig 3 The content shown in the figure are the relevant display areas and are as follows Press the fan control button once and the fan speed will change in the order of low speed gt middle speed gt high speed gt automatic gt In the dry mode The fan speed will be automatically set to be the low speed Temperature adjustment Fig 4 Press the temperature adjustment button A To set the increase of the temperature V To set the decrease of the temperature Press this button once and the temperature will increase or decrease by 1 C The temperature
20. mm Diameter of atid mm 9 52 12 pipe Diameter of water drainage a inside diameter X wall 0 30X 1 5 thickness Note 1 The applicable standard for this unit design is GB T18836 2002 2 The cooling heating capacity in the above table is measured under the nominal operation condition when the static pressure outside the unit is zero The parameters will change as the products are improved The parameters on the unit nameplate shall prevail 3 The size of the lower air return port is the same as that of the air supply port 4 The noise is the measured value tested in the half silencing room The real value of running will be slightly higher due to the environment change _Q FG Series wind pipe blowing air conditioning unit 1 6 2 Performance parameter of multi excess pressure unit A onl FG2 6H A PO3SHIA 5H A FGSH A FG6 5H A FG2 6H A FG3 5H A FGSH A FG6 5H A 2650 3500 5000 6500 2650 3500 5000 6500 Heats capacity 50 Heat Ai 2900 300 3700 800 7200 2100 TON Current 8 54 N 82 heat R 1320 1935 2550 930 1340 1935 2550 Power G a pump Auxiliary 998 800 1217 800 2200 2100 heat Power Power supply 220V 50Hz Compressor Entirely close rotar Compresor Entirely close rotary Static pressure of out unit Pa 25 15 60 40 120 70 25 15 60 40 120 70 es Refrigerant Refrigerant Filling volume of cooling senl k
21. must be affixed around the unit The air return port must be connected by the air duct and connect to the unit The static pressure case must be installed at the air supply section 3 2 Case 2 3 2 1 Unit application site a certain family 3 2 2 Model used FG12H A 3 2 3 Phenomenon It is very cold at the side near the equipment but the temperature of the room is up to 26 28 KET 3 2 4 Problem analysis The air quantity at each air supply port is extremely uneven and the air distribution is bad 3 2 5 Observation Upon survey it is found that the user does not carefully calculated the water power before the air return duct is laid out The pressure difference of each parallel loop exceeds 15 3 2 7 Final result After the treatment the air quantity at each position is evenly distributed and the air flow condition is sound 3 2 6 On site treatment Recalculation is made to design the air duct based on the excess pressure value outside the unit The entire air duct is reinstalled and valves are added to each branch pipe 3 3 Case 3 3 3 1 Unit application site a certain family 3 3 2 Model used FG12 A 3 3 3 Phenomenon there is water drop at the air supply port 3 3 4 Problem analysis The air supply temperature is low and so the surface temperature of the air port is low too The outdoor air directly encounters the cold surface and thus condensation is produced 3 3 5 Observation The air return port is made of the aluminium alloy The
22. outdoor air directly encounters the cold surface and thus condensation is produced 3 3 6 Final result After the treatment there is no condensation produced 3 3 7 On site treatment There are two methods 1 To increase the air supply temperature and to keep the temperature difference between the condensation temperature of the indoor air and the dry bulb temperature of the air supply to be 2 3 C 1 Heat insulation materials are affixed to the inside of the air supply port to increase the surface temperature of the air supply port A layer of the heat insulation material with thickness of 5mm can be affixed 104 Typical defective project case and maintenance Y 3 4 Case 4 3 4 1 unit application site a certain office 3 4 2 Model used FGR7 5H A 3 4 3 Phenomenon There is condensation in the air duct during the operation and as result there is water drop on the ceiling 3 4 4 Problem analysis Heat is not preserved for the air duct Condensation here Air returning Air outlet 3 4 5 Observation Condensation appears not at the air outlet but at the air return port The inspection opening is opened and it is found that heat is not preserved for the air duct The temperature inside the ceiling is high more than 30 degrees and the indoor temperature is just about 20 degrees The return air cools the air inside the ceiling via the air return duct which is with
23. the condenser the high temperature and high pressure gas of the cooling _6 ED System principle E agent performs the heat exchange with the outdoor air and passes the heat to the air then it is condensate and becomes the liquid of the high temperature and high pressure cooling agent After 1ts temperature and pressure are lowered by the capillary throttle 1t enters the evaporator The gas liquid 2 phase cooling agent in the evaporator completely vaporizes and thus cools the indoor air The steam from the evaporator 19 again sucked in by the compressor and is compressed It continuously circles this way The cooled air which is operated by the fan is continuously sent to the air conditioning area from the air duct Heating circle The heating circle is the reverse cycle of the cooling circle At this time the four way valve changes the direction That is the steam discharged from the compressor enters the indoor heat exchanger to become condensate The condensate cooling agent passes the capillary throttle and then vaporizes in the outdoor heat exchanger After it vaporizes it is again sucked in by the compressor and is compressed It continuously circles this way The heated air which is operated by the fan is continuously sent to the air conditioning area from the air duct j Outdoor unit heat exchanger Ol Four way Ny pS valve One way valve a Auxiliary Capillary Centrifugal fan Electric heat
24. way valve malfunction Replace the four way valve Leakage of the one way valve of the Replace the one way valve Increase the set temperature outdoor unit The capillary is blocked Replace the capillary ae Replace the defrosting temperature Defrosting is not thorough sensor The pipe valve is not adjusted to be E i Adjust the valve to be sufficient sufficient Find out the leakage source and Insufficient secondary refrigerant l supplement the secondary refrigerant insulation of the he thermal he thermal insulation for the strong onnection pipe between the indoor S pipe and the slim pipe are separated and the outdoor unit is bad The indoor unit fan touches other PR Adjust the fan position objects Adjust the supporting pad of the he compressor vibrates too much compressor and fasten the loosened bolts There are foreign matters in hel Eliminate the foreign matter indoor unit Avoid direct installation on the steel uch resonance is produced when window he air conditioner indoor unit isinstall it on a thick wall with installed on the panel wall or thelappropriate strength hin wall ake appropriate shock absorption measures The pipes of the outdoor unit touch Separate the pipes that touch each leach other a y Screw down the Screw down the fitting screw screw Metals inside the unit touch each Affix the adhesive between the metal other The outdoor unit fan blade touches
25. 200 15200 12000 seer i 2100 5600 5600 5600 5600 Current um 0 127 173 boy 80 10 9 i heat 9 55 16 36 ae 5 5 Power um a RE 2555 3400 3500 4475 5350 i pd 2100 3600 3600 3600 3600 Power Power supply o o 0 220v 50Hz 220V 50Hz 3 330V 50Hz 0220V 50Hz 220V 50Hz 30330V 50Hz 330V 50Hz Compressor Entirely close scroll compressor Static pressure of out unit High static pressure 120pa Standard static pressure70pa Refrigerant R22 E NN Connecti pipe pipe da E eal e em mm 6 56 E IE 76 E Crew m E o oo o EC wa mm o o o A Diameter of water drainage pipe Outer X inner PUS Operation condition of conditioner Tem o Indoor side status Outdoor side status Condition _ Dry bulb P emp C Wet bulb temp C Dry bulb temp C Wet bulb temp C Nominal cooling 27 Z 9 8 Nominal heating Max heating in sing is FG Series wind pipe blowing air conditioning unit Chapter 2 Electricity and control 2 Light current 2 1 1 Circuit diagram FGR2 6H A 0 circuit diagram FGR3 5H A 0 circuit diagram 12 Circuit diagram FGR2 6H A 1 FGR3 5H A I circuit diagram FGRSH A 0 circuit diagram e FG Series wind pipe blowing air conditioning unit FGRSH A J circuit diagram FGR6 5H A 0 FGR7 5HA 0 circuit diagram 14 Circuit diagram FGR6 5H A I FGR7 5H A I circuit diagram FG6
26. 39063 1o 1 po fS o D Evaporator assy 1 6 01039068 0 J 0 1 0 0 water 01039073 O0 o J 0 1i a 01008784 0 0 J o 0 1 aoaaa E IE d E AE A E A A e AO ae POS Pee osas a o 1 f o CD 03239144 o J 0 0 1 0 Liquid inlet pipe assy_ 03239117 0 J 0 J 0 0 1 08639092 1 f 1 0 O0 o f Gascotectorany 368907 Po od o IS 03639104 O 0 0 1 03638777 O 0 po J o 1 8 Thermalprotectorassy 46012405 1 Z 1 1 017990583 1 1 po o 17990582 0O 0 o1 o 0 017990584 O 0 0 01799058 O o po J o 1i to Sealing plate 01499082 0 0 J 0 J 0 0 plates 14 cores a gt Op IN IRI Display board Z4735 30294701 heat pump Display board ZA715 30294702 1 1 cooling only 11 12 13 1 1 1 1 1 1 1 01419080 01419085 Left terminal plate 1 01498780 01218767 Base plate 01218710 01218766 1 Fan mounting plate f 0133879 O 0 l 01338793 po o po 0 1 01218767 1 1 pp 1 0 Base plate 01218710 po po 0 1 O0 02218766 po 0 0 0 1 87 14 15 16 17 18 19 20 21 22 23 24 25 N O 27 28 FG Series wind pipe blowing air conditioning unit Explosive view and spare parts list of outdoor unit 4 1 2 UE CARE AAA Nu N de S EN i A qe FAL _ 88 Ex
27. 5 A 0 FG6 5H A 0 _15 FG Series wind pipe blowing air conditioning unit FG6 5H A 1 FG7 5H A I circuit diagram FGR7 5 A 0 FGR7 5H A O circuit diagram 16 Circuit diagram FGR6 5 A I FGR7 5 A 1 circuit diagram FG7 5 A 0 FG7 5H A O circuit diagram FG Series wind pipe blowing air conditioning unit FG7 5 A 1 FG6 5 A I circuit diagram FGRD10 A 0 FGRDIOH A 0 circuit diagram 18 FGD 10 A 0 FGD 10H A 0 circuit diagram FGRD10H A D FGRD10 A H Pore glee er i imj circuit diagram U 7 Circuit diagram 19 y FG Series wind pipe blowing air conditioning unit FGR12 A 0 FGR10 A 0 FGR12H A 0 FGR10H A 0 circuit diagram FGR12H A D FGRIOH A D circuit diagram 20 y Circuit diagram FGR 12 A D FGR 10 A I circuit diagram FG12 A 0 FG10 A 0 FG12H A O FG10H A 0 circuit diagram 9 FG Series wind pipe blowing air conditioning unit FG12H A D FGD10H A D FG10H A T circuit diagram FG12 A FG10 A 1 circuit diagram 22 Control logic List of wiring FG R 2 6H A FG R 3 5H A FG RISH A G R E SH AFGIR 7 5H 4 FGD10H A R CE rp 7 R CMFCRES FGRT 5 FGD 30 Sheen 5 Z ROD mm 7 FG R fC BAT 5mm RH 2 amm Amm 3 J a FGRD10H A FGTOH AFGI2H A oi Li N PE H JN 380 ea aa ee LE Casi Smm D HRS Oren ELi FARMER PS I N il 5 foal Hg K ee meee ee er er ee ee ee eee oe f
28. Air return port side plate assy 2641 PA 09000000 3900018717 Indoor pipe temperature sensor TY 13 04 03 17 l 19 305050021 Remote controller ZY502A 30505 0021MX 1 used by 1 used by 30294401 Display board Z4415_M 30294 401MX cooling only cooling only sii typell type 30294010 Display board Z4435_M 30294 010MX atusediby Aisea by Beal heat pump pump 01259051 Upper cover plate parts FGR2I 01000000 22 32012005 Electric heater 3551PA 10090105 2 used by 2 used by heat heat pump pump 23 01222024 Heating element locking parts II 3551PA 10090106 alused Dy bea heat pump pump 24 01738702 Heating element bracket 2 VJ25P03000002 Hse By a leet heat pump pump 01738701 Heating element bracket 1 VJ25P 03000001 I used by used by heat heat pump pump 01309054 Right side plate parts FGR2I 05000000 01079056 Evaporator right bracket FGR3I 11000001 28 15002401 Fan motor right type GST4238LAI 03000000 44010234 ACeontactorGC830 TE 33010020 Capacitor CBB611 5p F 450V QJ GD 53 12 32 ed 43000209 Power transformer SC39 TY 11 01 37 1 used by 1 used by ee Mainboard Z4415_M 30224403MX cooling only cooling only 34 typel typel heat pump pump se nosa Insulation EL r OoOo o 37 mooo teorie wire holder TF7SWB 0600000 3 3 IE amo Terminal E mos 2 EI 40 NO Gol Explosive view and list FG R 5H A Indoor unit parts breakdown Code Name Fig No FG R 5H A 01258650 Co
29. E ME ES 1 dt HEE Moor oso RC CC HH AA ee RA a a Sa S iras Evaporator backer T naam o f ows IRT RR aoo RR o S EPE AE 3 li li 02115001 Heating element locking parts I RFDI2WA 1 7 SETE SLI only type only type G 3 used by heat 14 01222401 Electric heating pipe fixing bar 1252PA 01000001 used by heat pump gino u 46012402 Thermal protector assy 1252PA 01030000 used by heat pump 1 used by heat pump 16 01492463 Air return port side plate assy 1242PA 09000000 Pot ir DE into ae temperare H M SS RARA 19 305050001 Remove conuollerzys02a 30505002iMx 1 used by cooli 1 li 30294401 Display board Z4415_M 30294 401MX T a E K ea cones only type only type 1 used by h t 30294010 Display board Z4435_M 30294010MX used by heat pump A e U 1259061 Upper cover Upper cover plate parts parts FGRI2AI01010000 01010000 E h 32012401 Electric heater 1200W 220V 1252PA 01000003 used by heat pumpl eae o oa U 6 used by heat 01224255 Heating element locking parts TI 7050L 01000003 6 used by heat pump U atit ea Electric heating pi ti 1 h 01222404 ectric heating pipe upper mounting 8052PA 01010001 used feature used by heat rack pump Electric h 1 as 01222402 ectric eating pa ower mounting 8052PA 10000002 0 a by best S 1 i heat IE oom TESTS RI RICE ICR E Ac Ca EE morass oewos OOOO H o 010197 ET ES oo EEEO A RARA ET A 30224405 Main
30. G 101112 14141516 OFF button a Power indicator light P creme e Unit display This centralized controller upper unit adopts the 485 method and the ducted type unit lower unit manual controller for the communication It has a maximum of 16 units and the longest control distance is 1200m The upper unit automatically detects the lower unit If the lower unit is detected the digit of the corresponding unit number will be displayed others are not displayed 1 Use A or Y buttons to select the unit to be controlled There are 17 selections i e 1 16 and all units 2 If a certain unit or all units is selected then the corresponding number will flash Press the ON button and the unit starts up At this time the frame of the corresponding number is displayed 3 Press the OFF button to shut down the corresponding unit At this time the frame of the corresponding number is not displayed 4 The connection between this integrated controller and the manual controller is shown in the following figure Integrated controller Manual controller Manual controller Display Display Maximum of 16 groups B d 000 0 U U LU U U Power La F d Longest distance 1200m Switching gt power sJ Function note Centralized control gt If the all selection is selected the lower units will be started up by pressing the ON button Considering the interference to the electric network if more than one unit are start
31. GREE P Gree Central Air Conditioner Technical Service Manual Ducted type unit 2 3KW 16KW Version One GREE ELECTRIC APPLIANCES INC OF ZHUHAI FG Series wind pipe blowing air conditioning unit Section One A series small ducted type unit Chapter 1 Summary 1 1 Product Summary 1 2 Expression method and example for unit model 1 2 1 Model expression method 1 2 2 Example 1 3 Unit outline drawing and combination example 1 3 1 Outline drawing 1 3 2 Combination example 1 4 Unit working principle and system drawing 1 5 Installation space of the unit 1 6 Technical and specifications of the product Chapter 2 Electricity and control 2 1 Strong current 2 1 1 Circuit diagram 24102 List of wiring 2 2 Light current 2 2 1 Description and usage method of manual controller 2 22 Description and usage method of remote controller 2 4 Centralized control 2 5 Wiring 2 6 Dial code Chapter 3 Operation debugging and malfunction diagnosis Jd List of unit operation conditions and check items 3 2 List of parameter changes of unit operation E List of malfunction analysis 3 4 Check list of malfunction code Chapter 4 Care and Maintenance 4 1 Explosive Views and Spare Parts List 4 2 Parts disassembly procedure 4 3 Maintenance items Zs Contents my Section Two B series small ducted type unit Chapter 1 Summary 1 1 Product Summary 1 2 Expression method and example for unit model 12 1 Model expr
32. Power connection cord 3 X 2 5mm Power connection cord 2X 2 5mm Power connection cord 2X 2 5mm Power connection cord 4X 2 5mm Power connection cord 4X 2 5mm STI FG Series wind pipe blowing air conditioning unit 2 2 Light current 2 2 1 Operation mode l Temperature parameter Indoor ambient temperature T amb Outdoor ambient temperature T amb Evaporator middle temperature T eva Ze Basic function After the power is on no matter when compressor is started the time span between the startups cannot be less than 3 minutes When it is powered for the first time the compressor does not have the time delay of 3 minutes Once the compressor starts up it will not shut down due to the temperature change within 6 minutes 2 1 COOL mode 2 1 1 Cooling condition and process If T amb gt T set COOL mode will act compressor and external fan will run the indoor fan will run at the set speed If T amb lt T set the unit will stop compressor and external fan will stop the indoor fan will run at the set speed If T amb T set the compressor and external fan will keep running in the old mode the indoor fan will run at the set speed The setting temp range is 16 C 30 C 2 1 2 Antifreezing Protection When the antifreezing protection is detected the compressor and external fan will stop the indoor fan will run in the old mode and the LCD displays E2 When antifreezing protection is eliminated and the compressor has stopped f
33. ad is too large heck the predicted cooling load The set temperature is too high Lower the set temperature Good ventilation must be i provided at the outdoor side and installation position of the eatherproof and cooling machine is inappropriate solarization proof board must be appropriately provided The filter screen of the indoor unit is Clean the filter screen regularly blocked The heat exchanger of the indoor unit Clean the heat exchanger is blocked Set it to be high speed or middle he fan rotation speed set is too low d spee heating Abnormal sound Malfunction analysis Four way valve malfunction Replace four way valve Local block of the capillary Leakage between the internal high Replace compressor and low pressure of the compressor The pipeline valve is not adjusted to oe i Adjust the valve to be sufficient be sufficient Check the leakage source and Secondary refrigerant leakage supplement the secondary refrigerant The thermal insulation of the Replace capillary The thermal insulation for the strong connection pipe between the indoor or pipe and the slim pipe are separated and the outdoor unit is bad The heating load is too big Check the predicted heating load The set temperature is too low outdoor unit is not appropriate the outdoor side is blocked unit is blocked outdoor unit exchanger is little motor Compressor malfunction Replace the compressor Four
34. are converted to each other there is a wire connection error with the motor terminal pin Phenomenon The motor current is too strong and the protector tube of the main board blows Cause When the high static pressure and the common static pressure are converted to each other the terminal pin of the motor is short circuited when the rotation speed of the motor is changed and thus leads to the short circuit of the motor Solution When the high static pressure and the common static pressure are converted to each other short circuit the high and middle levels of the motor control wire of the main board when changing the rotation speed of the motor Do not short circuit the terminal pin of the motor For details please refer to the description in the circuit diagram 107
35. are correct whether it is clean and at the right position Check whether the opening size and the position of the air outlet and the air return port comply with the requirement air return port must be repairable and make the record Check whether the condensation water basin has any dirt and clean it if any Check whether the slope of the condensation water pipe complies with the requirement whether the water flow is smooth water need to be poured to test it Check whether the fixing screws between the indoor unit motor and the fan are loose whether the fan blade can rotate freely without any friction or touch Understand the installation soldering techniques for the secondary refrigerant check whether the dirt produced by the soldering are cleaned whether the diameter thickness heat insulation and waterproofness of the copper pipe are correct Check the nitrogen gas pressure of the outdoor unit and make the record The outdoor temperature is O U C the nitrogen gas pressure is kg cm2 bar If the nitrogen gas pressure is not normal the installation personnel must be requested to check the leakage point If the nitrogen gas pressure is normal slowly release the nitrogen gas of the connection pipe and the indoor unit until it is all released Connect the vacuum pump to the thimble valve if any of the liquid pipe and the gas pipe and vacuumize them simultaneously from the liquid pipe side and the gas pipe side Check wh
36. ating element bracket II 7050L 01000003 OL used by heat 6 used by heat pumpl pump 01228632 Heating element bracket 1 FGRD101 10010001 hour DU Se ALU eee pumpl pumpl NN 01228637 Heating element bracket 2 FGR71 10010001 A M used by heat pump pump NES 01228638 Heating element bracket 3 FGR71 10010002 cias ie py Dedi pumpl pu 26 01308679 Right side plate parts FGRD101 05000000 PA Si A 01078604 Evaporator right bracket FGRDIOL 09010006 E RE PRES RE S 15018604 Fan motor right type FORDIOL 03010003 1 30 44010234 AC contactor GC8 30 44010234 AAA A 33010014 Capacitor CBB61 8F 450V AAA E O O RE 43110168 Power transformer SC25A TY 11 01 12 fb 43110209 Power transformer SC39 TY 11 01 37 Re ey A 30224002 Mainboard Z4015 30224 002MX LE USEC cone only typel pump 30224403 Mainboard 2 Z4415_M 30224 403MX TE usec hy cooling only typel 30224408 Mainboard 2 Z4435_M 30024 405MX 10 hpa 42011117 Six position terminal board TY00 57 J 1 to eono Termina boar 3 postions aono a EI e O e e e AD a Explosive view and list FG R 10H A FG R I2H A FGD R 10H A Indoor unit parts breakdown No Code Name Fig No FG R 10H A FGU R 12H A R 10H A E A TT o ES S re Teo eee E AT ES 1 J ES maan anataet LE J oo oo ooo o s ios A e osos m mere et ype NE o o oo ooo Taa an mounting pate assy Rpm TTT e oios T a A TTT o ororasos Evaporaor e brake onnes Tamas T Tana Rpm C
37. board 2 Z4435_M 30224 403MX eae peda ei nenas Ks only type only typel 34 1 dbyh t 30224403 Mainboard 2 Z4415_M 30224 405MX used by heat pump L ba S u 420111563 Terminal board 5 positions TY 14 02 13 03 70410525 Insulation spacer D TY 00 166 A _ 70410524 Insulation spacer F TY 00 84a LE E 71010102 Electric wire holder LF7 5WB 06000001 IN IN 38 42011103 Terminal board 2 8 TY 00 205 i A Ht HT e ked ed ie Hirt _ 45 FG Series wind pipe blowing air conditioning unit 4 2 2 Parts breakdown for outdoor unit as shown in Fig 4 2 2 1 NIALL VILLE Explosive view and list FG R 2 6 H A FG R 3 5H A FG R 5H A Outdoor unit parts breakdown IN ow No Code Name Fig No FG R 2 6H A FG R 3 5H A FG R 5H A Te aan H PP S l used by cooling 01703391 Motor bracket KF35WF 02010001 13 only type used by heat 01703067 Motor bracket Kfr25wa12f 02000001 pump 14 1 used by heat 03029055 Four way valve assy FGR2HAO 14000000 pump 1 used by heat 16 03029054 Four way valve assy FGRSHAO 02010000 1 used by heat 43005003 Four way valve assy KG411CW 10000000 pump 17 NO ORG A noes compresor i TY 13 02 19 25 1 used by heat I used by heat 1 used by heat 20 3900012125 Sensor pump pump pump _ 47 FG Series wind pipe blowing air conditioning unit FG R 2 6 H A FG R 6 5H A FG R 7 5H A Outdoor unit parts b
38. by 1 C The microcomputer will decide whether to start up cooling or not based on the difference value between the temperature sensed by the room temperature sensor and the set temperature When the temperature sensed by the indoor temperature sensor is higher than the set temperature the cooling operation begins When the temperature sensed by the indoor temperature sensor is lower than the set temperature the cooling operation stops and the indoor fan blows The setting temp range is 16 C 30 C _ 28 Manual controller gt 2 Press the mode button to select the cooling method After the power 1s on press the ON OFF button and the conditioner is in the operation mode J Os 99 on GO L E Mode Automatic air speed 9 U gt am Sleep A Set Defrosting Environme Temperature adjuk 88 88 LV G Automatic Cooling Dry 4 Press the temperature button to set the required temperature Timing Mode Air supply Heating a Tyee Fig 2 2 2 2 1 2 Heating operation as shown in Fig 2 2 2 2 2 When the temperature sensed by the indoor temperature sensor is lower than the set temperature the compressor begins to run and the heating operation begins When the temperature sensed by the indoor temperature sensor is higher than the set temperature the compressor and the outdoor fan stop and the indoor fan blows In heati
39. common excess pressure super thin type is not expressed Cooling capacity Number X kW Power supply type D is for the single phase the three phase is not expressed Mr Air conditioner type R is for heat pump units the cooling only units are not expressed Product type For the FG Series Ducted Air conditioning Units 1 2 2 Example FGRDIOH A Referring to the one way electricity multi excess pressure ducted air conditioning heat pump unit with a nominal cooling capacity of 10kW FG6 5 A Referring to the cooling only common excess pressure ducted air conditioning unit with a nominal cooling capacity of 6 5kW _4 ED Outline drawing ES 1 1 Unit outline drawing and combination example 1 3 1 Outline drawing Indoor unit with round air supply port Indoor unit with rectangle air supply port Outdoor unit FG Series wind pipe blowing air conditioning unit 1 3 2 Example Combination of small ducted type unit and indoor and outdoor units 1 1 Unit working principle and system drawing aL working principle drawing of cooling only unit Outdoor unit heat exchanger f i Compressor Centrifugal fan Capillary Dry filter Cooling circle The compressor sucks the steam of the low temperature and low pressure cooling agent inside the evaporator into the compressor After it is compressed it becomes the high temperature and high pressure gas and is discharged into the condenser Inside
40. component LLLLELELLLE Capillary Dry filter o Heat exchanger of indoor unit U M SE l FG Series wind pipe blowing air conditioning unit 1 1 Installation space of the unit 1 5 1 Installation space requirements for indoor units 1 5 2 Installation space requirements for outdoor units Technical parameter 1 1 Product specifications and technical parameters 1 6 1 Performance parameter table for common excess pressure unit Model FG6 5 FGR6 5 FG7 5 FGR7 5 FGD10 FGRD10 FG10 FGR10 FG12 FGR12 A A A A A A A A ae W 3 6900 7500 7500 10000 10000 10000 10000 12000 12000 maa Kd O pe O pmol pon Heat pump auxiliary heat 1200 2100 3600 3600 3600 AA Ea 1250 1700 EI RR RR ono meee A E y wes o Pain isa ta ol Taia a 82 Current ao ae 9 551 Es 551 EIL 16 360 Hike 450 En 45 Starting current Starting current 45 rafala Be Si den ae Power Heat pump Auxiliary W 2050 2450 3228 3728 4400 heni O 21000 0 21000 36000 0 36000 36000 Max power w 3000 4300 3600 4600 4420 7820 4300 7400 5800 8300 Power supply a 220V 50Hz 3N 380V 50Hz Entirely close Compressor CU CU Entirely close rotary rotary Refrigerant oa eT ee NE NN ee ee ENI E EN 736 A A R MOON Netweight ke fT Dimension o EEE air outlet Es 950 Outdoor Debt 412 IN E RE A E Diameter of gas pipe
41. compressor or the high temperature of the air discharge pipe is detected and these two protections can resume operation themselves then after resuming if the anti high temperature does not quit then the indoor high temperature protection shall continue 2 4 4 Conditions and processes of defrosting After the heating operation when the frost of the condenser is detected the system enters the defrosting status At this time the four way valve the external fan and the auxiliary electric heating stop operation The compressor performs the forced operation and the internal fan operates based on the anti cool air condition When it is detected that he frost on the condenser has been removed the four way valve and the external fan begin to operate and then the internal fan begin to operate For defrosting the defrosting time will be adjusted based on the frosting condition on the condenser If there is much frost the defrosting time is long maximum of 10 minutes If there is not much frost then the defrosting time is short When it is detected that the defrosting has ended quit the defrosting mode 2 5 AUTO mode In this mode the system can select the mode automatically according to the ambient temperature 3 Other control 3 1 Timing Control TIMER OFF Set the timer for turning off function when the unit is turned on the PCB will act in the set mode when it is time to turn off the unit will be switched off TIMER ON The unit is st
42. creased 2 C in the second hour ON OFF button Press this button the air condition will start to operate Press it again and the air conditioner will stop operation O Liquid crystal displayer to display the information selected by each button wit 88 88 De Mode button press the button once and the air speed will change in the following order T utomatio Cooling Cry 7 Heating Air supply ON OFF i Mode AMPM Hour Swing Fan control button press Automatic the button once and the air speed gt i the following order TT High Middle e Set Deftosine Environment AER erai ue e and 88 88 LY Timing Automatic Cooling Dry Mode Air supply Heating COE Temperature button press A once and the set q O SLEEP button press it 3 09 temperature rises by 1 C once and the unit is in ob press V once and the set the sleep status press it again to quit the sleep status O Timing button in the ON OFF status the timed ON OFF time can be set respectively Press the button each time the set time rises by 0 5 1 hour It circles in the following way 24 hours ed imine Fig 2 2 2 2 5 ale temperature drops by 1 C FG Series wind pipe blowing air conditioning unit Integrated controller ON All rooms Lili 3r4 or Pal i Unit selection button selection ON button 351617 B Le di the default is all units
43. cuum pump is smooth without any block Continue vacuumizing for 5 minutes If the vacuum pump always has air bubbles check the sealing of the vacuum pump or check for leakage causes must be found before the next step is taken Calculate the adding volume of the secondary refrigerant for the air conditioner which has been filled with the secondary refrigerant by the factory actual pipe length 5m the factory filled secondary refrigerant has included the secondary refrigerant of the 5 meter pipe length X O g m secondary refrigerant supplementation volume gram 00 I 19 For the unit model with unknown secondary refrigerant filling volume please refer to the unit nameplate and use a small filling volume as the operation test to record the final filling volume Shut the manual valve connected by the liquid adding pipe maintenance tool Connect the steel bottle of the secondary refrigerant at this time the steel bottle of the secondary refrigerant in placed on the electronic scale slightly open the steel bottle valve screw and tighten screw thread of the other side of the liquid adding pipe that connects to the steel bottle to discharge the air in the liquid adding pipe Record the readings on the electronic scale The reading is O gram 20 _ 34 L Check list Attached table Items to be checked Final reading of the electronic scale calculated initial reading of
44. d Supply voltage V Measure whether the voltage supplied from the main power to the terminal of the indoor and outdoor unit is normal and make the record Supply voltage on the terminal V 29 Unit operation cooling test indoor temperature C outdoor ambient temperature C Unit operation heating test indoor temperature C outdoor ambient temperature C FG Series wind pipe blowing air conditioning mnt 3 2 List of malfunction analysis 3 2 1 Flow of malfunction analysis e air conditioner can not Start UP The breaker trips ouf or the fuse blows Neither the indoor unit nor the outdoor unit can Start up When the breaker is set at open it trips out immediately When the air conditioner is turned to open the breaker trips out in a few minutes No power supply Malfunction of remote controller transmission There is a serial communication malfunction between the indoor unit and the outdoor unit The protection function of the compressor coil is acting The cutoff function of the locking compressor motor is acting The open circuit of the sensor Tor the moderation function is acting Malfunction of switch assembly Measure the insulation resistance for the grounding heck the breaker easure the resistance for he short circuit Check the power supply status Check remote controller _ 36 3 2 2 Malfunction analysis a
45. e alarm The unit can not be automatically resumed Press the NO OFF button to shut down the unit and clear the sound alarm 3 8 Communication Malfunction 1 After it is powered if the outdoor unit does not receive the feedback from the mainboard of the indoor unit it _ 26 will be regarded as a communication malfunction of the indoor unit The compressor and the external fan stop Manual controller 7 and the malfunction codes are displayed At the same time if the indoor unit does not receive the information from the outdoor unit then the indoor unit stops the auxiliary electric heating and the internal fan If the manual controller does not receive the information from the outdoor unit the malfunction E6 will be displayed and the unit does not run 1 After the communication is back to normal the system will operate according to the previous operation status 3 9 Temperature sensor malfunction 1 3 9 1 Indoor environmental sensor If there is any open circuit or short circuit for the indoor temperature sensor FO will be displayed After the malfunction is eliminated the unit will automatically resumes the operation In the air supply mode only the malfunction code is displayed and the internal fan operates normally After the malfunction is cleared the malfunction code disappears 1 3 9 2 Indoor evaporator sensor If there is any open circuit or short circuit for the evaporator temperature sensor F1 wil
46. e fresh air it is sent out again This is a central air conditioner with the complete air system Gree s A series of air conditioner unit with the air supplied by the small air duct combines the advantages of the central air conditioner which are being comfortable and top grade and the advantages of the small type of separated home air conditioner which are being convenient and flexible in installation etc It 1s highly efficient energy saving with a long air supply distance and good indoor air quality It is reliable in operation and convenient in usage and is widely applied to various small supermarkets chain stores families with multiple living rooms hotels restaurants offices meeting rooms and villa families The existing models of the A series of small ducted type units are shown in Table 1 1 1 Table 1 1 1 Cooling only Heat pump h a ea FGSH A FG6 5H A Multi excess pressure unit FGRSH A FGR6 5H A FG7 5H A FGD10H A FGIOH A ere FGR7 5H A FGRIOH A FGRDIOH A FGRI2H A FG6 5 A FG7 5 A ae Common excess pressure unit FGI0 A FG12 A FGR7 5 A FGR10 A FGR12 A 1 1 Expression method and example of unit model 1 2 1 Product expression re LE LAS a Design No it stands for A series Unit type O is for outdoor unit I is for indoor unit Frequency conversion system P is for the frequency conversion system the fixed frequency system is not expressed Excess pressure type H stands for the multi excess pressure the
47. e not applied in this air conditioning system UU is Swing Fan speed Auto Fan speed ag its Operatiqn Swing Dry Lightsave Power 988 8 switch cld Hou S CEL Swing So se CS et Light Dry L EE 14 SIN OF Ser Tk rat i 6 Made ON OFF a E al Temperature Timing button When the unit is operating press the button once and the temperature will go up by 1 C and press the button once and the temperature will go down by 1 C The room temperature can be adjusted at user s discretion within the range of 16 30 C When the unit is in the On Off mode press the Timing button will set the time for the turning off or on of the unit Press the button the timing will 66 99 be increased by 0 5 hour press the the timing will be decreased by 0 5 hour After adjustments press the Timing button once again to transmit the setting Press the Delete button will cancel the time setting 82 Liquid crystal displayer It shows all set contents SLEEP button Press this button once the unit will go into the sleep mode Press the button once again the unit will quit the sleep mode During the cooling and dehumidification operations after the operations in the sleeping mode the set temperature will rise by 1 2 C in a certain period of time and the unit will then operate under the condition of the set temperature
48. eating pipe e Loosen the connection of the high temperature protection assy take down the electric heating pipe as shown in Fig 4 2 11 Fig 4 2 11 7 Disassembly of pipe temperature sensor e Take down the pipe temperature sensor from the evaporator temperature sensor sleeve e Pull outwards the connection faucet between the temperature sensor and the electric box as shown in Fig 4 2 12 H Fig 4 2 12 _ 94 8 Disassembly of fan mounting plate e Screw off the fastening bolts between the fan mounting plate and the side plate as shown in Fig 4 2 13 Fig 4 2 13 9 Disassembly of evaporator assy e Take down the fixing pipe clamp of the liquid feeding pipe and the air pipe Fig 4 2 14 H Fig 4 2 14 e Take down the evaporator as shown in Fig 4 2 15 Fig 4 2 15 _ 95 FG Series wind pipe blowing air conditioning unit Wrong disassembly methods n the bottom the right Such disassembly methods will lead to the break of the clamp Tools must be used to disassemble the manual controller Correct disassembly method one This figure is just for a clear expression ol screwdriver ise or counterclockwise e screwdriver and at re clamp will loosen le same operation is rformed on another c s time the display pa eady been separated ttom case _ 96 Disassembly procedure Correct disassembly meth
49. ed up there is a time delay of 10 seconds for the starting up of each unit Press the OFF button to shut down all the lower units There is no time delay for the shutdown If 1 or those above the single unit is selected pressing the ON OFF button will start up and shut down the corresponding lower units Note Because the upper unit keeps enquiring the 16 lower units there is a time delay of 16 seconds from pressing the button to the response of the unit Relation between dial code switch position and unit No m i oi s 100 9 110 13 Cow 2 oir 6 ior 10 no 4 ann sono f r uno Lu Line D Foon 4 fom s ion ue un Li Note If this control function is needed instruction must be made before ordering goods 33 FG Series wind pipe blowing air conditioning unit Chapter 3 Operation debugging and malfunction diagnosis 3 1 List of unit operation conditions and check items Items to be checked Please refer to the installation manual and check whether the machine is placed at the appropriate position whether the surrounding space is reasonable and whether the unit needs the shock absorption treatment V Check whether the caliber of the air duct is appropriate the air speed of the air duct is not more than 3 5m s whether it affects the installation at the air port Check whether there is any filter screen for the air return box whether the size and the quality of the filter screen
50. ee E E a iosas TT TN 1 J oo Jo o ooo o 25 15018604 Fan moord ane A pe oa A RAS EE ET SE E AE EE Capace ceea se A rr I A N E CN N CERE a 2d only typel only type only type 1 h 1 h 1 h 30224001 Mainboard Z4035 30224 001MX Ro nest U used by heat used by heat nG E pna 35 keed keed ed ked ked s e me m arias Lines H a 2011133 EE CE 1 J o ooo II e oa o 2 I I a or mooo Frese vre noir BR e EE EE O wos II 43 LA l L l LA l L l LA l 99 FG Series wind pipe blowing air conditioning unit FG R 6 5 A FG R 7 5 A Indoor unit parts breakdown Quantity Name Fig No FG R 6 5 A FG R 7 5 A o E 1 3 used by 3 used by 13 02115001 Heating element locking parts I RFD12WA 1 7 cooling only cooling only typell typell 3 used by heat 3 used by heat 01222401 Electric heating pipe fixing bar 1252PA 01000001 Des c pumpl pump 46012402 Thermal protector assy 1252PA 01030000 1 01492458 Air return port side plate assy KFR80PNA1A 09000000 390000451 Indoor ambient temperature sensor TY 1302 82 01 L 1 used by 305050021 Remote controllerzy502a 30505 0021MX cooling only 1 used by 30294401 Display board Z4415_M 30294 401MX cooling only typell typel I used by heat 10 used by heat 30294010 Display board Z4435_M 30294010MX D used by hea used by hea pum
51. erature of the cold water unit is 2 C When other conditions are certain the increase of the evaporation temperature may increase the efficiency and the COP of the unit For example the COPs of the ducted type unit and the cold water unit with the cooling volume of 18kW are respectively 2 45 and 3 07 3 While for the ducted type unit and the cold water unit that adopt the same compressor the cool volume provided by the ducted type unit is 1 2 times the cold water unit Therefore we may say that when the cooling supply capacity of the units are the same the air duct air conditioner saves 15 20 energy more than the cold water unit Refer to Table 1 for the COP of the ducted type unit and the cold water unit with different capacities stipulated by the national standard From Table 1 it is obvious that the COP of the ducted type unit is higher than that of the cold water unit 4 5 Table of COP between cool air ducted type unit and cool air cold water unit Unit capacity WT 4 5 lt Q 7 8 lt Qs lt 16 16 lt Q lt 28 Ducted type unit 2 50 2 50 2 50 Cold water unit 2 30 2 39 2 40 Typical defective project case and maintenance However we must be aware of the fact that the household central air conditioner is a systematic project and is greatly different from the ordinary air conditioner The air conditioner unit produced by the enterprise is just a half finished product A unit with excellent performance must combine the excellent
52. ession method 122 Example 1 3 Unit outline drawing and combination example 1 2 1 Outline drawing 122 Combination example 1 4 Unit working principle and system drawing 495 Installation space of the unit 1 6 Technical and specifications of the product Chapter 2 Electricity and control 2 1 Strong current 2 1 1 Circuit diagram 212 List of wiring 22 Light current 2 2 1 Operation mode 222 Description and usage method for manual controller Chapter 3 Operation debugging and malfunction diagnosis 3 1 List of unit operation conditions and check items 2 List of parameter changes of unit operation 3 3 List of malfunction analysis 3 4 Check list of malfunction code Chapter 4 Care and Maintenance 4 1 Explosive Views and Spare Parts List 4 2 Parts disassembly procedure 4 3 Case of defective project and maintenance FG Series wind pipe blowing air conditioning unit Section One A series small ducted type unit Overview of chapter one 1 1 Product summary The ducted type unit means that the outdoor unit and the indoor unit are connected by a copper pipe and the air supply pipe leads to each room from the indoor That is why it is called the ducted pipe unit The detailed working method is that the indoor heat exchangers gather in an indoor unit the cool air produced by the indoor unit 1s sent to each room from the system air duct then is sent back to the indoor unit via the air duct after it is cooled and mixed with som
53. ether the connection of the indoor and outdoor units comply with the wiring diagram of the unit whether the wire path is appropriate whether the connection terminal is fastened Check whether the power distribution facilities such as the wire path the model of the shutdown air switch of the indoor and outdoor units and O O O O are reasonable Check whether the embedded terminal box of the temperature controller is elegant and complies with the switch box whether it complies with the specifications Install the temperature controller and check whether the wiring of the temperature controller is correct whether the position is appropriate and turn the temperature controller at the OFF position Cover the temperature controller with the protection bag to avoid any decoration damage or pollution of the temperature controller N ni ha 13 14 15 The vacuumizing time is about 25 30 minutes Check whether there is any air discharge at the air discharge port of the vacuum pump use the hand to plug up the air discharge port for 3 minutes and no air should be discharged no air bubble shall appear in the oil of the vacuum pump and at the outlet ON Use the hexagon ring spanner to open the maintenance valve of the liquid pipe for 2 3 seconds and then shut it immediately to see whether there is any gas out If there is it indicates that the connection of the liquid adding pipe with the maintenance valve and the va
54. fore the construction of the whole building is completed However in the allocation of the cooling and heating loads of air conditioners they neglect the differences between the sample houses and the actual houses after the completion In a A type house in a certain project the 3 P heat pump ducted type unit is used in the design based on the calculation of the heating and cooling loads As a result it is found that when the outdoor temperature is 2 C in winter the indoor temperature can not meet the design requirement but the air quantity has met the requirement So the customer is not satisfied Upon checking it 1s found that the upper floor and the lower floor and the neighbouring rooms in the sample room are not equipped with doors and windows The enclosing construction of the entire sample housd hexahedron is outdoor Upon recalculation of the heating load of the air conditioner it is found that 30 more of the air conditioner heating volume is needed in order to meet the requirements of the original design The real estate developers must note that when they provide the sample houses they shall pay attention and see whether the allocation of heating and cooling loads of air conditioners repeat the above mentioned case Two The cooling and heating loads of air conditioners are sufficient but do not have good effects 1 Ifthe air quantity of the air return system of the ducted type unit air conditioner is not sufficient it will make
55. ge pipe e Screw off the patchcord on the electric connector of the ere ian aa Compressor Soldering point 1 e Solder and open the air suction pipe and the air discharge pipe of the compressor TA as shown in Fig 4 2 2 4 e Screw off the fixing nut of the compressor and take out Soldering point 2 the compressor Compressor fixing nut Wy Air suction pipe 5 Disassembly of four way valve e Screw off the fastening screws on the four way valve which are used to fasten the electromagnetical coil Valve body e Take down the electromagnetic coil e Unsolder the soldering points between the four way Electromagnetic valve and other pipes coil E e Take off the four way valve As shown in Fig 4 2 2 5 Note To unsolder the soldering points do not let flames Solder oaia TE touch other parts The valve body must be completely wrapped by wet cloth to avoid damages caused by the high temperature _ 56 L gt 6 Disassembly of the capillary e Unsolder the two soldering points between the capillary and other pipes e Take off the capillary as shown in Fig 4 2 2 6 7U Disassembly of the big valve gate e Screw off the 2 bolts that fasten the big valve gate e Unsolder the soldering points between the big valve and the air return pipe take down the big valve as shown in Fig 4 2 2 7 Note To unsolder the soldering points the valve body must be completely wrapped by wet cloth to
56. gf 09 11 15 cis om as papa Connection __ liquid pipe pipe a RE pa 1108 e o a a enh mm 0 156 ao ne 56 Laa unit eight ke 27 36 55 36 55 sox a ss airoutlet_ Width mm 102 125 207 102 125 207 Dimension EEE air rn CCE AE E A E 0 width mm 760 760 950 760 760 950 outdoor Depth mm 250 Pas a2 O so aso a unit A A A A A weight kg 32 40 s 32 40 59 Diameter of water drainage P D20X 15 D 30X 1 5 D20X 1 5 D 30x 1 5 pipe Outer X inner Note 1 The applicable standard for this unit design is GB T 18836 2002 2 The air quantity 1s measured under the excess pressure outside the corresponding standard unit 3 The cooling heating capacity in the above table is measured under the nominal operation condition when the static pressure outside the unit is zero The parameters will change as the products are improved The parameters on the unit nameplate shall prevail 4 The static pressure of out unit is high static pressure standard static pressure could be changed by the wires of the electric box the setting is standard static pressure of leaving factory 5 The noise is the measured value tested in the half silencing room the real value of running will be slightly higher due to the environment change 10 Technical parameter Continuous table ro aae 6H oe oe ae if 6H oy Pero a RO cape g capacity Heat pump auxiliar 2200 11000 11
57. ipe temperature sensor is not appropriate The pipe temperature sensor is not properly In heating the internal fan does not neared start up The wire connection of the pipe temperature sensor is broken Leakage of capacitor 3 3 List of malfunction analysis Note If the above checks and treatments are carried out and the conditioner still can not operate normally please stop the operation of the air conditioner immediately and contact the local maintenance office and ask the professional maintenance personnel to repair it _ 84 Malfunction analysis 3 4 Check list of malfunction code If the wire controller displays the malfunction the unit may be shut down to stop the malfunction display and the professional personnel are to be asked to eliminate the malfunction R5 FG Series wind pipe blowing air conditioning unit Chapter 4 Care and Maintenance 4 1 Explosive view and spare parts list 1 1 1 Explosive view and spare parts list of indoor unit 4 1 1 Explosive view and spare parts list of indoor unit 86 Explosive view and list No Material name Material Code Quantity FG R 2 3 B D FG R 2 6 B D FG R 3 5 B FG 5 B FG 6 5 B 1 1 E IE a es ee AAA Upper cover plate 01258763 OC 0 1 0 01258765 O J 0 0 1 320120051 1 f D S D D electric heater IE EC o RR PRR RR RE ao 320018761 0 J 0 0 1 32018761 O J 0 O0 1 010
58. iquid pipe pipe Diameter of gas mm p 9 52 p 12 0 16 p 9 52 p 12 0 16 pipe van m o er o o a aa A E LR Indoor unit ts a 415 R natn e far pe me Dimension Wan lna 108 108 108 108 108 Depth mm 250 250 soa Height mm 40 so 700 wo ES EC Netweight ke 25 fs ater drainage pipe oute diameter X measured mm G3 4 thickness ua a a ef a a Outdoor unit Note 1 The cooling only unit does not have the auxiliary electric heater Only the heat pump unit had the auxiliary electric heater 2 The noise is measured under the half silencing indoor condition In actual operation due to the change of environment the noise will be slightly louder 3 The specifications and parameters will change due to product improvement The specific parameters shall refer to those on the nameplate of the unit 4 The above unit model will change due to product improvement and production management requirements The specific models shall refer to those that leave the factory 5 This series of units do not apply to air duct connection The air duct connection will affect the normal usage of the unit AAAAAA AAAAAAAAAAAK lt AAK lt AAAAAAAAAAAAOAKXA lt A lt AAA Q2 o 0o e o _ oo e oo 65 FG Series wind pipe blowing air conditioning unit Chapter 2 Electricity and control 2
59. l R Y Sem 7 ax mm Tam Please note The length of all signal cables and power cables must be within 15 meters 293 FG Series wind pipe blowing air conditioning unit 2 2 Light current 2 2 1 Operation mode 1 Temperature parameter 1 The room ambient temperature T amb 2 The evaporator tube temperature T tube 3 The condenser tube temperature T defrost 4 Outdoor environment temperature T outdoor 5 Air discharge pipe temperature T dis 2 Basic function After the power is on no matter when compressor is started the time span between the startups cannot be less than 3 minutes When it is powered for the first time the compressor does not have the time delay of 3 minutes Once the compressor starts up it will not shut down due to the temperature change within 6 minutes 2 1 COOL mode 2 1 1 Cooling condition and process If T amb gt T set COOL mode will act compressor and external fan will run the indoor fan will run at the set speed If T amb lt T set the unit will stop it is cooling now compressor and external fan will stop the indoor fan will run at the set speed If T amb T set the compressor and external fan will keep running in the old mode the indoor fan will run at the set speed The setting temp range is 16 C 30 C The indoor fan will run at the set speed and there are three air speeds to be selected All malfunctions are checked during the operation of the compressor Corres
60. l be displayed After the malfunction is eliminated the unit will automatically resume the operation and clear the malfunction code In the air supply mode only the malfunction code is displayed and the internal fan operates normally After the malfunction is cleared the malfunction code disappears 1 3 9 3 Condenser temperature sensor If there is any open circuit or short circuit for the condenser temperature sensor F2 will be displayed After the malfunction is eliminated the unit will automatically resumes the operation and clears the malfunction code In the air supply mode only the malfunction code is displayed and the internal fan operates normally After the malfunction is cleared the malfunction code disappears 1 3 9 4 Malfunction of outdoor environmental sensor No matter the unit is on or it stands by if the malfunction of the outdoor temperature sensor is detected then no treatment is made to the outdoor temperature sensor and only the temperature sensor malfunction code F3 is displayed 1 3 9 5 Air discharge temperature sensor malfunction If there is any open circuit or short circuit for the air discharge temperature sensor the malfunction cod F4 will be displayed and the buzzer will sound the alarm After the malfunction is cleared the unit will automatically resumes the operation and clear the malfunction code 297 FG Series wind pipe blowing air conditioning unit 2 2 2 Description and usage instr
61. ll be light on The temperature should be set higher than the room temperature If the setting temperature is lower than the room temperature the unit will not run at HEAT mode operation A FAN mode the FAN display will light on The room temperature 1s displayed on the LCD of the controller In the automatic mode the automatic display automatic will light on At this time the entire unit will select the mode automatically based on the indoor ambient temperature In cooling the temperature 1s automatically set to be 26 C In the dry mode the temperature is automatically set to be 24 C In heating the temperature is automatically set to be 20 C Note The automatic heating mode of the cooling only unit is replaced by the automatic air supply mode In heating when the outdoor temperature is low and the humidity is high the outdoor unit will frost and lead to the low heating efficiency In this case the controller will automatically begin the defrosting circle and display defrosting Note The cooling only unit does not have the heating mode 79 FG Series wind pipe blowing air conditioning unit 6 timing setup Fig 7 In the power off mode the startup time can be set In the power on mode the shutdown time can be set Press the timing button once and the set time increases by 0 5 hour Keep pressing the timing button and the set time increases rapidly by 0 5 hour When the time is set to
62. malfunction is cleared the malfunction code disappears 3 3 Sleep function In heating press the button SLEEP after 1 hour the set temperature drops by 1 C After 2 hours the set temperature drops by 2 C Afterwards this temperature is kept and the sleep sign is cleared In cooling press the button SLEEP after 1 hour the set temperature rises by 1 C After 2 hours the set temperature rises by 2 C Afterwards this temperature is kept and the sleep sign is cleared 34 Test function In the power off status press the temperature selection button TEMPA to enter the heating status The compressor is on the four way valve is on the internal fan runs at high speed and after the operation for 5 minutes the unit automatically shuts down You may also press the ON OFF button to stop the test In the power off status press the temperature selection button TEMPY to enter the cooling status The compressor is on the four way valve is on the internal fan runs at high speed after the operation for 5 minutes the unit automatically shuts down You may also press the ON OFF button to stop the test 76 Manual controller gt 2 2 2 Description and usage method of manual controller Note O Do not install the wire controller at the position where there is water leakage O Avoid knocking throwing and frequent disassembly and installation of the wire controller l L U 3 N 4 12 5 ini Setting 13 ti Defrosting 14
63. ng when the outdoor temperature 1s low but the humidity is high the outdoor unit will frost and leads to the low efficiency of the heat supply At this time the controller will automatically begin the defrosting circle and display defrosting The setting temp range is 16 C 30 C After the power 1s on press the ON OFF button and the conditioner is in the operation mode 3 ON OFF AMPM Hour Swing Automatic air speed ui U 2 am Sleep Set has ri 88 88 4 Press the temperature Fan control Sleep HIH button to set the required 3 Press the fan control button to set the air speed Automatic Cooling Dry Timing Mode Air supply Heating F Go E o de de de D Fig 2 2 2 2 2 29 FG Series wind pipe blowing air conditioning unit 3 Dry operation as shown in Fig 2 2 2 2 3 When the temperature sensed by the indoor temperature sensor is between 2 C the unit enters the dry operation When the temperature sensed by the indoor temperature sensor is higher than the set temperature the unit begins the cooling operation The indoor air speed is adjustable and the outdoor fan operates with a low air speed The setting temp range is 16 C 30 C 2 Press the mode button to select the 1 After the power is on the ON OFF n and the conditioner is in the pa operation mode L imin 88 88 y co AMPM Hour Swing D Automatic air s
64. od twol Step 4 Step 5 lay board above Step 6 the display board is completely separated from the bottom casel 97 FG Series wind pipe blowing air conditioning unit 3 2 Design of air duct The design of the air duct mainly includes the confirmation of the air duct size and the calculation of the resistance loss of the air duct while the confirmation of the air duct air speed has something to do with the both Therefore the air speed shall be first confirmed The confirmation of the air speed is related to the initial investment the system operation costs and the air flow noise To design the air duct the air supply in the air duct shall not be too strong and shall be controlled between 2 4m s The air speed at the air port must be controlled between 0 8 1 6m s The air speed in the air duct may refer to Table 4 The ratio of width and height of the rectangle shall not be more than 4 1 To design the air duct the connection point of the air duct must not appear inside the wall for the installation convenience of the air duct Air speed selection for air duct Indoor allowed Air speed of main noise air duct Air speed at air port Air speed of branch air duct Db A m s m s m s COP of the unit The air duct air conditioner unit belongs to the direct cool system From the point of the cooling principle as the evaporation temperature of the ducted type unit is 7 C while the evaporation temp
65. opped when the timer for turning on acts When it is time to turn on the PCB will act in the set mode 25 FG Series wind pipe blowing air conditioning unit The time range 1s 0 5 24 hours 3 2 Energy saving For heating press the ENERGY SAVE button after half an hour the T set will decrease by 1 C After 1 hour the T set will decrease by 2 C For cooling press the ENERGY SAVE button after half an hour the T set will increase by 1 C After 1 hour the T set will increase by 2 C 3 3 Test function In the first power on status press the temperature selection button TEMPA to enter the heating status The compressor is on the four way valve is on the internal fan runs at high speed and the auxiliary electric heating is on After the operation for 5 minutes the unit automatically shuts down You may also press the ON OFF button to stop the test In the first power on status press the temperature selection button TEMPY to enter the cooling status The compressor is on the four way valve is on the internal fan runs at high speed and the auxiliary electric heating is on After the operation for 5 minutes the unit automatically shuts down You may also press the ON OFF button to stop the test 3 4 Remote control function The wire controller may receive the remote control instruction When the remote control receiving is made the buzzer will sound to make indication The remote controller will screen the useless
66. or 3min the whole unit will be put into the normal operation 2 2 dry mode If T amb gt T set the cooling and drying mode will act compressor and external fan will run indoor fan will run at low speed If T set T amb after the external fan and compressor running for 6 mins it will stop about 4 mins The processes are shown as the above cycle The indoor fan will run at the low speed If T amb T set the compressor and the external fan will stop The setting temp range is 16 C 30 C During the period the antifreezing protection 1s treated as the cooling mode 2 3 HEAT mode 2 3 1 Conditions and processes of heating If T amb T set the heating operation will begin and the change valve the external fan and the compressor are respectively powered and put into operation The indoor fan operates based on the set air speed and the cool air condition If T amb T set the compressor the external fan and the reversing valve will keep running in the old mode The indoor fan will run at the set speed and in the anti cold air condition If T amb gt T set the compressor will stop after 15 seconds the external fan will stop and the reversing valve will keep working the indoor fan will blow after 60secs it will stop The setting temp range is 16 C 30 C _ 74 s Control logic Y 2 3 2 Anti cool air operation protection When the compressor restarts after 1t stops or when the defrosting ends the internal fan will begin
67. out otherwise malfunctions may occur 2 When the application environment of the air conditioner is dusty the air filter must be cleaned many times normally it is cleaned once every two weeks Note Please pay attention to the following before you begin to clean the air conditioner a Cut off all the power before you touch any connection devices b The air conditioner can not be cleaned until the unit is shut and power is cut off otherwise there may be electric shock or hurt c Do not use water to clean the air conditioner otherwise there may be electric shock d Special attention must be paid to the cleaning of the air conditioner and the stable and robust stand shall be used 4 3 2 Maintenance in usage season 1 Check whether there is any block at the air inlet and the air outlet of the indoor and outdoor units 2 Check whether the grounding wire is sound and complete 3 Check whether the wire connection is sound and complete 4 Check whether there are any texts on the display of the wire controller after the power is on Note If there is anything abnormal please ask the after sale service personnel to provide instructions 4 3 3 Maintenance after usage season 1 When it is fine operate the unit in the air supply mode for half a day to dry the inside of the unit 2 If the air conditioner is not used for a long time shut down the power to save energy After the power is shut texts on the wire controller display will
68. out any heat preservation and thus condensation appears on the outerwall of the air return duct 3 4 6 On site treatment Heat insulation materials are added onto the air duct 3 4 7 Final result Condensation disappears 3 5 Case 5 3 5 1 Unit application site a certain office 3 5 2 Model used FGR 12 A 3 5 3 Phenomenon High temperature protection appears during heating 3 5 4 Problem analysis The main cause for the high temperature protection during heating is that the hot air can not be sent out 3 5 5 Observation After the heating operation for some time the unit displays El which means the high temperature protection Upon measurement it 1s found that the temperature at the air outlet is rather high Use the hand and you can feel that the air speed at the air outlet is rather low Even if it is switched to a high level the air quantity is obviously insufficient Open the inspection opening remove the filter screen of the ducted type unit move away the air return duct and enable the heating operation of the unit The air speed at the air outlet is slightly higher but after some time the unit again displays El which means the high temperature protection However the interval between two protections is prolonged Upon analysis this must be caused by the unsmooth air out The air out duct is checked and it is found that it is the air hose The installation of the connection pipe of the air duct is not appropriate and the hot air can no
69. peed ag Fa control 2 A o Set Dettosins JEnvironme Temperature adjustment Sleep QQ Q ge Test changed after dry is selected a Automatic Cooling Dry Timing Mode Air supply Heating st Fer ae 8 amp FETE oo F O Fig 2 2 2 2 3 4 Automatic operation as shown in Fig 2 2 2 2 4 In the automatic mode the standard cooling set temperature is 26 C The standard heating set temperature is 20 C 1 After the power is on press the ON OFF button and the conditioner is in the operation mode 2 Press the mode button to select the automatic method The microcomputer will automatically select cooling heating or dry to achieve comfortable effect based on the indoor temperature 88 88 Dk AMPM Hour gt Automatic air speed d Fn cont aa 2 Temperature adjustment Defiosine nvironment C mie J Sleep 88 a 880 LY Test Timing Automatic Cooling Dry Mode Airsupply Heating T ee x aH Mode JE 2333 O A Fig 2 2 2 2 4 30 Zs Manual controller gt 5 SLEEP mode operation as shown in Fig 2 2 2 2 5 In COOL and DRY mode setting the SLEEP mode the setting temp will be increased 1 C in the first hour and it will be increased 2 C in the second hour In HEAT mode setting the SLEEP mode the setting temp will be decreased 1 C in the first hour it will be de
70. peration is safe stable and reliable and whether the future maintenance and check is easy More than 50 of the air conditioner malfunctions are caused by installation Therefore the installation quality directly affects the application or even affects whether the system can operate stably and reliably for a long time So enough attention must be paid to the installation of the ducted type unit Common malfunctions of ducted type unit air conditioning system One The cooling and heating loads of the air conditioner are not sufficiently allocated 1 Allocation of cooling and heating loads of air conditioner solely based on the air conditioner usage area Due to the activity requirements of the indoor personnel and for the sake of convenience doors adjacent to each other are often opened If rooms with opened doors are not equipped with air conditioners e g kitchen washing room dressing room the cooling and heating loads of such rooms will form the corresponding air conditioning loads for the air conditioning system and thus will lead to the insufficient allocation of cooling and heating loads of air conditioners As a result the temperature inside the room is not comfortable enough to meet people s requirements 2 Allocation of sample house is the same as that of the actual cooling and heating loads In order to sell the houses out the developer will fully decorate a house or several houses as sample houses for demonstration purpose be
71. pl pumpl 1252457 Upper cover plate parts KFR80PNA1A 01000000 1 h h 2 32012402 Piscuic heater 8052PA 01000003 3 used by heat 3 used by heat pumpl pumpl 6 d by heat 6 d by heat 23 01224255 Heating element locking parts II 7050L 01000003 Re used By nea pumpl pumpl Electric heating pi i 1 h 1 h 24 01222407 ectric heating pipe upper mounting 8052PA 01010001 used by heat used by heat rack pump pump Electric heating pipe 1 1 h 1 h 25 01222405 ectric heating pipe lower mounting 8052PA 10000002 used by heat used by heat rack pumpl pump 01302471 Right side plate parts 1242PA 05000000 01072482 Evaporator right bracket KFR80PNA1A 11000000 15012458 Fan motor right type KFR80PNA1A 11000000 33010011 Capacitor CBB61 4p F 450V QJ GD 53 12 gt 43110209 Power transformer SC39 TY 11 01 37 IL used by 1 used by 30224403 Mainboard 274415_M 30224 403MX cooling only cooling only i typel typel 30224405 Mainboard 2Z4435_M 30224 405MX 1 used by heat 1 used by heat pumpl pumpl 420111591 Terminal board 3 positions TY 14 02 13 01 71010102 Electric wire holder LF7 5WB 06000001 3900018717 Indoor pipe temperature sensor TY 13 04 03 17 14 15 16 17 18 19 20 21 2 _ 44 Explosive view and list FG R 10 A FG R 12 A indoor unit parts breakdown No Code Name Fig No FG R 10 A FG R 12 A II f osama HEHE ft a NE towercoverpiate M ES E o HH mercenar pas az 4 01485059 EE
72. plosive view and list No Material name Material Code pump AR a Oa a oa a S E Facecover 22263002 1 1 Panelbarrack 22413431 O0 0 Face cover apricot 22265251 color RTS i IE E BG S oon CI IC EC ES M Outercover 01433081 o o 0 po o o po po O eee 01703069 i oS ARCO a po O a RO R 01703027 o oo too T HTH 0 HH T Lir INTE ose RR RR RR RR Lo to foto R RI MotorFWw30K 15013067 O 0 1 o o fo po fo o Mere 15013066 Oo o 0o o j1 Jojo AO Motorrwa8c_ 15013039 0 o po po o o 1 to MotorFWosT 15013302 o o O po oO oO po po fi fod 01703029 1 1 po po o Lu o fo yo 01703069 a 0o f 1 f 1 13 f poo o oios O do J o Jao opo jij r SET 0170307 o o o o po poo poto i 01032532 1 o o o jon poo poto polo 01032561 o 1 o o po po poto polo omo o o pp po po po la ou lo LI omoosi o O o 1 o o poto polo Condenser parts 04090551 OF o po po o fo o fo o omo o o o oO jon o oo 01031694 o o o po po poo pito polo 011037533 O0 0 o o o Lo j 011034583 o o o poo po poo poto 1 0 011034594 o o po po po po la po fo 1i 01253026 1 1 o 0 po po po 0 0 01253442 g 0 pt f i a 1 Lu i 01255261 o O o 0 po po po 0 fe to ara tf oP og 0 fo 0 Rear grill 01473030 0 o 1 1 fifi 19 1 f R
73. ponding treatments will be provided for any malfunctions 2 1 2 Antifreezing Protection When the antifreezing protection is detected LCD displays E2 the compressor and the external fan will stop the indoor fan will run at the set speed when antifreezing protection is eliminated and compressor has stopped for 3min the whole unit will run at the original status 2 2 dry mode If T amb gt T set 2 C the cooling and drying mode will act compressor and external fan will run indoor fan will run at low speed If T set T amb after the external fan and compressor running for 6mins it will stop about 4 mins The processes are shown as the above cycle indoor fan will run at the low speed If T amb T set the compressor and the external fan will stop The setting temp range 16 C 30 C indoor fan will run at the set speed All malfunctions are checked during the operation of the compressor Corresponding treatments will be provided for any malfunctions 2 2 1 Anti frost protection same as cooling 2 3 air supply mode _ 94 The indoor fan will run at the set speed and there are three air speeds to be selected The speed of the air supply in Control logic the automatic mode is the intermediate speed In the air supply mode when there are fan malfunction and communication malfunction the unit will shut down Other malfunctions will be display without the shutdown of the unit 2 4 HEAT Mod The cooling only
74. protection Ta FG Series wind pipe blowing air conditioning unit If there is any open circuit or short circuit for the indoor environmental sensor all the loads will be shut in the cooling dry and heating modes and FO will be displayed The default indoor ambient temperature is 24 C After the malfunction is eliminated the unit will automatically resume the operation and clear the malfunction code In the air supply mode only the malfunction code is displayed and the internal fan operates normally After the malfunction is cleared the malfunction code disappears 3 2 6 Evaporator sensor protection If there is any open circuit or short circuit for the evaporator temperature sensor F1 will be displayed After the malfunction is eliminated the unit will automatically resume the operation and clear the malfunction code In the air supply mode only the malfunction code is displayed and the internal fan operates normally After the malfunction is cleared the malfunction code disappears 3 2 7 Outdoor environmental sensor protection If there is any open circuit or short circuit for the outdoor environmental sensor all the loads will be shut only in the heating mode and F3 will be displayed After the malfunction is eliminated the unit will automatically resume the operation and clear the malfunction code In the air supply mode only the malfunction code is displayed and the internal fan operates normally After the
75. r modes Installation of batteries into the remote controller The remote controller uses two NO 7 alkali batteries 1 Slide downward the back cover of the remote controller and take out the used batteries and then replace with two new ones in correct polarities 2 Close the back cover of the remote controller 1 After batteries are installed the screen will display figures and letter codes of all functions After 10 seconds the operation can begin 2 The lifespan of the battery is about R one year 3 Please do not mix the new and old batteries of different types in the Open the back cover application Close the back cover Please take out the batteries when F2 they are not used for a long time in Y order to avoid malfunctions caused UTET by liquid leakage 5 The remote controller shall be more than one meter away from TV or audio equipments n E 5 IE EEE E E E E IEEE IE IEEE IE IE IEEE NT ENT E m gt ma A ai 6 The operation of the remote TT Reset button controller shall be within the gt reception area the reception range ALL _ is 10 meters a 7 In case of the replacement of 1 HE gt TIT batteries etc and the remote d d L controller is unable to control please take down the back cover eae and press the ACL resume Kate button to resume it to normal Place two NO 7 batteries accessory
76. reakdown Code Name Fig No FG R 6 5H A FG R 6 5 A FG R 7 5H A FG R 7 5 A Te ames O eae ES a TE BE omno H HH TS RSC ens rowo oe RI RI RI o os OU ET aa pem mer mea iii Toss waow HHHH a IE L H TIR E 01108503 Condenser parts FGR6 0 01000000 A 12 01109058 Condenser parts FGR7A 0 01000000 A E NE 7 0 A IE A TS HH HH HHH aa ae mo wer Tamara TT Pena ee onu O A 1 used by heat 03025002 Four way valve assy KFR501ED 05000000a pump O 03029056 Four way valve assy FGR6A0 05010000 43005210 Four way valve assy KFR70W1EW 03000000 Compressor 00100140 SHV33YE6UG I Compressor 00100065 ZR34KH PFJ 522 1 used by heat 1 used by 3900012126 Sensor TY 13 02 19 26 1 1 pump heat pump _ 48 SO oo Explosive view and list FG R DIOH A FG R IOH A FG R IO A FG R I2H A Outdoor unit parts breakdown No Code Name Fig No TTS Facecover swe 2 2 2 2 2 3 01435433 Outer cover RESTR 1 1 4 4 1 a orase Nercover KFRI20wiB 00000008 1 r 1 4 1 a 01035062 Topeover KFRI20WIB O9000001 1 i a 5 orsosaa Rear side plae RRR 1 aa e 20035052 Handle swe 3 3 3 3 3 TDI Tea E tf T aan Base piate assy LETSWB OLO10000000 1 7 7 01205264 Base piate assy KFRIZ0WBOIOI0000 7 1 O 01205433 Base plac assy KPRIZOWIEIIOIO0 7 7 7 _ 01205250 Base ple assy KE7OwW1B 08000000 7 7
77. s shown in table 3 2 2 1 Phenomenon Possible causes Recovery method Phenomenon Possible causes Recovery method Resume the power ae Eliminate the short circuit and Short circuit replace the fuse Power failure The fuse blows Circuit grounding Eliminate the grounding malfunction malfunction or replace the Neither the indoor unit The power plug is not well inserted orl Eliminate the bad contact DE ent has bad contact Firmly insert it into the socket l heck the circuit based on the The connection between the indoor HN lectric diagram and make the unit and the outdoor unit is wrong orrect connection The protector tube of the controllerReplace the protector tube of the blows ontroller he controller is burned out Replace the controller _ The indoor fan and the motor are l he switch is at the air i epair or replace the fan motor burned out or disconnected supply position but he fan does not run Eliminate the malfunction or Remote controller malfunction he replace the remote controller ffect is not good Coil disconnection he operation mode at the hot cool he operation mode is A th Malfunction of the outdoor fan motor Replace the motor a e cold or hot position Outdoor unit relay malfunction Replace the relay bui the defrosting he operation mode is at the cold or hot position the outdoor and vibration The cooling lo
78. se direction of the condenser basin As a result the condensate water directly overflows from the water drop basin 2 The space between the brackets and hangers of the condenser pipe is too large and the strength of the suspender is not sufficient Particularly brackets and hangers are not proved at the elbow where the horizontal pipe is connected downwards to the standpipe or the distance between the brackets and hangers and the elbows is too large In the indoor installation the standpipe is pushed upwards and leads to the reverse slope of the condenser pipe Therefore enough attention must be paid to the stiffness of the pipe and the reliability of the slope during the installation of the condenser pipe of the air conditioner 103 FG Series wind pipe blowing air conditioning unit Typical defective case analysis 3 1 Case 1 3 1 1 Unit application site a certain hotel 3 1 2 Model used FGR12H A 3 1 3 Phenomenon There is a drone in the lobby and users complain that it is too noisy 3 1 4 Problem analysis The noise is from the air return port 3 1 5 Observation The air return port is located under the unit and no silencing facilities are provided So the noise of the unit directly comes in the lobby 3 1 7 Final result After the treatment the noise can be reduced by about 8dB 3 1 6 On site treatment The position of the air return port must be adjusted to be at least 1 5 meters away from the unit and silencing materials
79. set range in different modes HEAT 16 C 30 C COOL 16 C 30 C DRY 16 C 30 C Environment Be _ 78 lt gt Manual controller 2 2 E a 4 Sleep function setup Fig 5 In COOL and DRY mode press the SLEEP mode the Pr i Mode setting temp will be increased 1 C in the first hour and it will be increased 2 C in the second hour Indoor fan will run at the low speed then the unit will run accord to the setting temperature In HEAT mode setting the SLEEP mode the setting temp will be decreased 1 C in the first hour it will be decreased 2 C in the second hour then the unit will run accord to the setting temperature There is no SLEEP function in FAN mode 5 The running mode setting Fig 6 When pressing MODE button each time the mode will be changed as following Le COOL DR Y gt FAN HEAT gt AUTO At COOL mode the COOL display e will be light on the temperature of setting should be lower than the room temperature If the setting temperature 1s higher than the room sensor the unit will not run at cool frostin mode operation At DRY mode the DRY displayW will be light on Fan motor will run at low fan speed in the definite temperature range The dehumidifying effect of this mode is better than that in COOL mode and more O AGREE ds energy saving Fig 6 At HEAT mode the HEAT display RE wi
80. ssembly of left side plate e Screw off the fastening screw of the air port plate of left side plate take down the air port plate of the left side plate As shown in Fig 4 2 1 8 e Screw off the bolts of the left side plate and take off the left side plate As shown in Fig 4 2 1 9 Water tray Fastening screw Air port plate Bolts of the left side plate Left side plate Fig 4 2 1 _52 ED Disassembly procedure Heating pipe locking parts Electric heater 8 Disassembly of electric heating pipe e Screw off the fixing bolt of the electric heating locking parts e Loosen the connection wire of the high temperature protection assy take down the electric heating pipel As shown in Fig 4 2 1 10 Heat fuse Temperature limiter Fig 4 2 1 10 9 Disassemble evaporator Evaporator Liquid Inlet Tube e Screw off the bolts of the evaporator K ai i e Disconnect the connection between the pipe inlet and outlet and other pipes As shown in Fig 4 2 1 11 Fastening Screw Air Discharge Pipe Fig 4 2 1 11 10 Disassembly of evaporator supporter e Screw off the tapping screw of the evaporator bracket take away the evaporator bracket As shown in Fig 4 2 1 12 Evaporator bracket l Fastening screw Fig 4 2 1 12 293 FG Series wind pipe blowing air conditioning unit 11 Disassembly of fan e Screw off the fastening bolts between the fan and the motor
81. t be sent down 105 FG Series wind pipe blowing air conditioning unit 3 5 6 On site treatment Adjust the switchover port and make the air hose shorter 3 5 7 Final result The El high temperature malfunction disappears 106 0 Phasc sequence error Typical defective project case and maintenance Phenomenon After the three phase unit is powered and operates the internal and external fans of the unit operate normally but the compressor does not operate Cause This is the phase sequence error The anti phase protector acts and disconnects the AC contactor of the compressor Solution Check whether there is any voltage for the three phase input of the anti phase protector If any then measure whether its contacts are connected If they are separated then it can be confirmed that the phase sequence is wrong The solution is to exchange any two wires of the three phase power 0 The power cable is too long and thus the pressure drop is too large Phenomenon The unit stops once it starts up Cause The power cable is too long When the unit starts up the current is strong and this makes the pressure drop between the power terminal to the unit be too large and thus the instant voltage of the unit is too low and leads to the power down of the controller and the shutdown of the unit Solution Increase the sizes of the corresponding power cables 0 When the high static pressure and the common static pressure
82. the electronic scale gram supplementation volume of secondary refrigerant gram gram adding pipe observe the reading of the electronic scale When the reading of the electronic scale 1s close to the final reading calculated tighten the manual valve of the liquid adding pipe and record the actual added liquid volume Actual supplementation volume of Open the valve of the secondary refrigerant steel bottle and the manual valve of the liquid 22 secondary refrigerant gram Connect the outdoor unit power cable and the plug but do not supply power Use the resistance level of the universal meter to measure the resistance between the power plugs L N and H grounding and use it as the basis to judge whether there is any short circuit of the power and make the record Single phase power L and N Land E N and E If it is the three phase power then measure the resistance between A and Bf B and C A and C L A and N B and N C and N and the resistance between A B C and the ground A and E B and E C and EI Measure the supply voltage of the power socket and make the record The single phase power L and N V The three phase power A and BIT VB and C V Aand Cf V A and N V B and NI V C and N V Check whether the position of the air volume adjustment valve on the air port and the air duct of the indoor unit is appropriate Check whether the main supply voltage is normal and make the recor
83. this problem be more serious The main cause is that the area of the air duct and the air return port are not enough unreasonable design The correction proposal is that the size of the air return duct and the air return port shall be enlarged or that the number of the air duct pipe and the air return port shall be increased 2 The short circuit of the air supply and the air return flow means that the air from the air supply port flows back to the nearby air return area before it completely reaches the air conditioning area of the room This problem will not only lead to the bad adjustable effect of the room but also lead to the system malfunction sometimes 100 For convenience and cost saving purpose the air duct adopts the flexible metal hose which is too long When the air speed inside the flexible metal hose exceeds 3m s the air resistance inside the pipe will rapidly increase while the air pressure of the indoor unit fan of household central air conditioner is rather small If the available air pressure cannot overcome the resistance which is too strong then its actual air quantity will be greatly less than the rated air quantity Some story heights are rather high and this often makes it difficult for the hot air to be blown down in winter In order to avoid this it is suggested that for the story height which is more than 3 5 meters the design of the air conditioner shall adopt the spout with adjustable diffuser angles In
84. to run after the compressor runs for some time If the compressor does not start up the internl fan will stop operation 2 4 Auto Defrosting 2 4 1 Conditions and processes of defrosting After the heating operation when the frost of the condenser is detected the system enters the defrosting status At this time the four way valve the external fan and the auxiliary electric heating stop operation The compressor performs the forced operation and the internal fan operates based on the anti cool air condition When it is detected that he frost on the condenser has been removed the four way valve and the external fan begin to operate and then the internal fan begin to operate The first defrosting time when the power is on is 9 minutes Later the defrosting time will be adjusted based on the frosting condition on the condenser If there is much frost the defrosting time is long If there is not much frost then the defrosting time is short When it is detected that the defrosting has ended quit the defrosting mode 2 5 SWING mode The internal fan will run at the set air speed and there are several air speeds to be selected 2 6 Auto mode In this mode the system can select the mode automatically according to the ambient temperature 3 Other control 3 1 Timing Control TIMER OFF Set the timer for turning off function when the unit is turned on the PCB will act in the set mode when it is time to turn off the unit will be switched off
85. to the remote controller L Swing Fan speed TEMP button KE Press the set temperature once E Negative and it rises by 1 degree Press the set temperature once and it drops by 1 degree In the mode the room temperature is randomly adjusted between 16 C 30 C In the mode 16 C 30 C In the mode 16 C 30 C In the dB mode 16 C 30 C Mode selection button Press this button to change the operation mode in order of G Note The cooling only unit does not have th mode 81 l Manual controller The reception distance of the signal of the remote controller may reach about 10 meters Do not place the remote controller in a location exposed to direct sunlight or extra heat Air speed button Press the button once and the air speed changes in the order Automatic of air speed wair spee i d d YE COOL mode a DRY mode de FAN mode 4 HEAT mode ON OFF button Press this button the unit will start press 1t once more the unit will stop the timing mode will be canceled at the i same time FG Series wind pipe blowing air conditioning unit Names and function of remote controller Remove the cover NOTE This model is a general purpose remote controller which can be applied to varieties of air conditioning systems various types and performances No descriptions will be made on the functions and buttons that ar
86. u f onsa EE SE HH HH naos icones FGRDIOLI2010000 as 46012402 Thermal protetorasy _c252Pa 01080000 16 01498608 T iaae T Rpm 17 3500078710 THH O ee 20 MI 30505002 Remotecontrollerzy502a Remotecontrollerzy502a 30505 002MX 002MX IL used by cooling 10 used by cooli 1 used by cooli 30294002 Display board Z4015 30294 002MX T kaa pooling MARS Loong 50 only type only typel only type 1 used by heat 1 used by heat 10 used by heat 30294001 Display board Z4035 30294 001MX co nea used by hea U used by hea _ DR us 21 01258607 Upper cover plate parts FGRD101 01000000 h d by heat 32018614 Electric heater FGRD101 10000001 oe a oe eee pe ee 22 pumpl pump 3 used by heat 32018612 Electric heater FGRD101 10000001 U used by hea pumpl 6 used by heat 6 used by heat 6 used by heat 23 01224255 Heating element locking parts II 7050L 01000003 Used Dy Bea U used by hea U used by hea pump pump pump 2 heat 2 used by heat 2 used by heat 01228632 Heating element bracket 1 FGRD101 10010001 U U used by hea used by hea 24 pump pump pumpl 1 used by heat 1 used by heat 1 used by heat 01228633 Heating element bracket 2 FGRD10I 10010002 i used by nea used by hea used by hea pump pumpl pump 1 used by heat 1 used by heat 1 used by heat 01228634 Heating element bracket 3 FGRD101 10010003 Mabed by Med U used by hea used by hea pump parel Ei A aaa PPP
87. uction for manual controller 2 2 2 1 Name and function of each button of wire controller ON OFF button Press this button the air condition will start to operate Press it again and the air conditioner will stop operation Fan control button press the button once and the air speed will change in the following order Automatic Hi gh Middle Low SLEEP button press it once and the unit is in the sleep status press it again to quit the sleep Status O ON OFF Fan cono Sleep Timing Q s Tp 38 2 2 2 2 Wire controller operation Liquid crystal displayer to display the information selected by each button 08 88 H AMPM Hour Swing Automatic air ag t2 Set Defiosing JEnvironment 8 98 re Automatic Cooling Dry Mode Air supply Heating O It circles in the following way 24 hours lues imine 1 Cooling operation method as shown in Fig 2 2 2 2 1 Mode LA Timing button in the ON OFF status the timed ON OFF time can be set respectively Press the button each time the set time rises by 0 5 hour As shown in Fig 2 2 2 1 1 Mode button press the button once and the air speed will change in the following order utomatic Cooling Cry ll Heating AU Supply Temperature button press A once and the set ltemperature rises by 1 C press V once and the set temperature drops
88. unit does not have the heating mode If the cooling only unit does not respond to the remote control heating signal then it is still in the air supply mode 2 4 1 Conditions and processes of heating 1 If T amb T set the heating operation will begin and the change valve the external fan and the compressor are respectively powered and put into operation The indoor fan operates based on the set air speed and the cool air condition 1 If T amb T set the compressor external fan and reversing valve will keep running in the old mode Indoor fan will run at the set speed 1 If T amb gt T set Compressor and external fan will stop reversing valve will keep working indoor fan will blow after 60secs it will stop 1 The setting temp range 16 C 30 C 2 4 2 Anti cool air operation protection When the compressor restarts after it stops or when the defrosting ends the internal fan will begin to run after the compressor runs for some time If the compressor does not start up the internal fan will stop operation 2 4 3 Indoor anti high temperature protection During the heating operation when the pipe temperature of the evaporator is detected to be too high the external fan will stop operation When the pipe temperature of the evaporator is normal the external fan will resume operation During the indoor high temperature protection period other protections if any will be treated as the normal protection However if the over current of the
89. ver board of air return FGR51 00000006 01258649 Lower cover plate assy FGRSI 02000001 15018322 Motor FG70B FGRSI 00000003a GST4238LAI 0300000 15002401 Fan motor left type 01339058 Fan mounting plate assy FGRSHAI 03020000 IE II En A a A A RE a e f ooms eee amn o mae Evaporaor left supporing bracket FORSTO000000s 1 MM Oo no E E MESA 2 used by heat pump ___ A 15 16 OT 01308668 Left side plate parts FGRSI 04010000 KFRSOPN ALA used by beat pum 1 1 1 1 1 1 1 1 1 1 4 1 390000451 Indoor ambient temperature sensor TY 13 02 82 01 18 3900018717 Indoor pipe temperature sensor TY 13 04 03 17 305050021 Remote controller ZY502A 305050021MX 30294401 Display board Z4415_M 30294 401MX IL used by cooling only typel 30294010 Display board 74435_M 30294 010MX 1 used by heat pump 01259064 Upper cover plate assy FGRSHAI 01010000 23 32018613 FGR5I 10000004 2 used by heat pump OB 01224255 Heating element locking parts II 7050L 01000003 4 used by heat pump Heati tl ti 01228628 FGRSI 10000001 1 used by heat pump Heati t ti 01228630 oe nn EE FGR5I 10010001 1 used by heat pump 1 26 01308670 Right side plate assy FGRSI 05010000 as 01078625 Evaporator right supporting bracket FGRSI 00000004 GST4238LAI 33010011 Capacitor CBB61 4p F 450V QJ GD 53 12 _ 4 O 1 2 3 4 5 7 10 11 12 13 14 15 16 17 18 20 21 22 23 24 25 26
90. winter the zero diffuser angle is adopted In summer the diffuser angle is adjusted to be large If the above proposal is adopted in the air conditioner design the problem that the hot air cannot be sent out in winter can be effectively solved and the air flow can be evenly distributed The following pictures show the distribution of the air flow and the temperature field under the cooling and heating conditions Air supply flow by ducted type unit under the cooling condition in summer 101 FG Series wind pipe blowing air conditioning unit Room temperature distribution under the cooling condition in summer 102 Typical defective project case and maintenance 7 Room temperature distribution under the cooling condition in summer From the above pictures we can see that in winter due to the low density the hot air is not easily blown down As a result the temperature of the upper space is high while the temperature of the lower space is low in the winter heating Three During installation the test condenser tube system of the indoor unit is smooth but during operation or after operation for some time there is water drop in the system 1 In the suspension installation of the indoor unit spring washers are not provided for the upper and lower nuts of the suspender During the operation of the equipment the nuts are loosened and fall off due to vibration then the indoor unit inclines to the rever

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