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CHUNLAN -B, Service Manual

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CHUNLAN -B Service Manual Download Page 57

Circuit diagrams

 

- 55 - 

II. Numbers and meanings of each signal line & terminal 

1. Signal line terminals for FRD23-B and FRD35-B 

(1) Brown                     

Compressor 

(2) Blue              Power supply line N 

(3) Yellow/green       Earthing line 

(4) Black             Outdoor motor 

(5) White                        Reversing valve coil 

2. FRD50-B signal line terminals 

(1) Brow                       

Compressor 

(2) Blue              Power supply line N 

(3) Yellow/green       Earthing line 

(4) Black             Outdoor motor 

(5) Red                            Reversing valve coil 

3. FR71-B signal line terminals 

(1) Black              Outdoor fan motor 

(2) Purple             Outdoor fan motor 

(3) Red               Outdoor fan motor 

(4) Gray                            Reversing valve coil 

(5) White                          Compressor AC contactor coil 

L: Phase line feedline of power cable (user supplied) 

N: Zero line feedline of power cable (user supplied) 

L’: Phase line of indoor-outdoor connecting cable of power connecting cable (user supplied) 

N’: Zero line of indoor-outdoor connecting cable of power connecting cable (user supplied) 

4. FRD71-B signal line terminals 

(1) Indoor-outdoor connecting cable (user supplied) for outdoor fan motor 

(2) Indoor-outdoor connecting cable (user supplied) for outdoor fan motor 

(3) Indoor-outdoor connecting cable (user supplied) for reversing valve coil 

(4) Indoor-outdoor connecting cable (user supplied) for compressor AC contactor coil 

L: Indoor-outdoor connecting cable (user supplied) power supply phase line 

N: Indoor-outdoor connecting cable (user supplied) power supply zero line 

 

Summary of Contents for -B

Page 1: ...Structure Features Air duct Type Air Conditioner Service Manual JIANGSU CHUNLAN REFRIGERATING EQUIPMENT Co Ltd AUGUST 2004...

Page 2: ...ters 34 Chapter IV Performance curve 40 Chapter V Circuit diagrams 41 Chapter VI List of main parts and wear parts 59 Chapter VII Type selection 65 Chapter VIII Installation 66 Chapter IX Air duct des...

Page 3: ...ion The product can be widely used in large area multi room composite compartment houses villa and medium and small restaurants bars leisure and recreation sites II Indoor unit 1 Indoor unit of low st...

Page 4: ...pressure series air duct type air conditioner FR D 95 FR D 125 S indoor unit outline FR D 180 S FR D 260 S indoor unit outline Electric box Wire controller Remote controller Air exhaust Lifting lug mo...

Page 5: ...II Outdoor units FRD23 B FRD35 B FRD50 B outdoor unit FRD71 B FR71 B outdoor unit FR D 95 FR D 125 S FR95 C FR125 C S FR D 100 B outdoor unit outline FR D 180 S outdoor unit outline FR D 260 S outdoor...

Page 6: ...ter II Exploded views dismantling sequence of parts I Exploded view dismantling sequence of indoor unit of FRD23 B FRD35 B and FRD50 B 1 Exploded view of FRD23 B FRD35 B and FRD50 B indoor unit Explod...

Page 7: ...lectric heater 7 Heat exchange section top plate assembly 8 Fan section left side plate assembly Optional 9 Impeller 10 Motor 11 Fan section top plate Optional 12 Fan section rear plate assembly Optio...

Page 8: ...Indoor capacitor 1 Remove 12 2 Remove capacitor Indoors motor 1 Remove fan section rear plate 12 2 Remove fan section top plate 11 3 Remove spiral casing 13 and impeller 9 4 Remove connecting plug fro...

Page 9: ...of parts 7 II Exploded view and dismantling sequence for outdoor unit of FRD23 B FRD35 B FRD50 B 1 Exploded view of outdoor unit of FRD23 B FRD35 B and FRD50 B Exploded view of outdoor unit of FRD23...

Page 10: ...ssembly 2 Small shutoff valve 3 Large shutoff valve 4 Compressor 5 Axial flow fan 6 Motor 7 Reversing valve assembly 8 Left rear plate assembly 9 Handle assembly 10 Outdoor electric assembly 11 Top co...

Page 11: ...cover assembly 11 2 Remove handle assembly 9 3 Remove left rear plate assembly 8 4 Remove outdoor electric assembly 10 Outdoors motor 1 Remove top cover assembly 11 2 Remote handle assembly 9 3 Remove...

Page 12: ...ence of parts 10 III Exploded view and dismantling sequence of indoor unit of FR D 71 B and FR D 100 B 1 Exploded view of indoor unit of FR D 71 B and FR D 100 B Exploded view of indoor unit of FR D 7...

Page 13: ...Left support 4 PTC electric heater Only for FRD71 B FRD100 B 5 Spiral casing 6 Impeller 7 Left side plate assembly 8 Evaporator assembly 9 Condensate tray assembly 10 Bottom plate assembly I 11 Botto...

Page 14: ...ling sequence of typical parts Indoor capacitor 1 Remove 1 2 Remove capacitor Indoors motor 1 Remove electric box 18 2 Remove plug of indoor motor from control board in electric box 3 Remove air intak...

Page 15: ...loded view dismantling sequence of parts 13 IV Exploded view and dismantling sequence of outdoor unit of FR D 71 B 1 FR D 71 B outdoor unit exploded view FR D 71 B outdoor unit exploded view Outdoor u...

Page 16: ...t assembly 5 Condenser 6 Left panel 7 Top cover assembly 8 Air intake grating 9 Baffle plate assembly 10 Right panel assembly 11 Handle 12 Electric assembly 13 Valve support assembly 14 Reversing valv...

Page 17: ...parts Outdoor electric assembly 1 Remove top cover assembly 7 2 Remove front plate assembly 1 3 Remove right panel assembly 10 13 4 Remove electric assembly 12 Outdoors motor 1 Remove top cover assem...

Page 18: ...Exploded view dismantling sequence of parts 16 V Exploded view and dismantling sequence of indoor unit of FR95 C FR125 C S 1 Exploded view of indoor unit of FR95 C and FR125 C S...

Page 19: ...mbly 5 Left support plate 6 Small side plate assembly 7 Fixing support assembly 8 Fixing support cover plate assembly 9 Spiral casing assembly 10 Centrifugal impeller 11 Strainer frame 12 Motor 13 Mot...

Page 20: ...Remove 19 12 Remove 20 13 Remove 5 18 17 14 Remove 15 Annex Dismantling sequence of typical parts Indoor capacitor 1 Remove 1 2 Remove 11 14 3 Remove capacitor Indoors motor 1 Remove electric box 4 2...

Page 21: ...ling sequence of parts 19 VI Exploded view and dismantling sequence of indoor unit of FR D 95 and FR D 125 S 1 Exploded view of indoor unit of FR D 95 and FR D 125 S Exploded view of indoor unit of FR...

Page 22: ...ing strip 7 Left side plate assembly 8 Fixing block 9 Left small hole cover plate 10 Square hole cover plate assembly 11 Air intake 12 Bottom plate assembly 13 Impeller 14 Spiral casing assembly 15 Ta...

Page 23: ...en tapping screws on retainer 26 rotate retainer 26 2 Remove right small hole cover plate assembly 10 3 Remove capacitor clip 20 Indoor motor 1 Loosen tapping screws on retainer 26 rotate retainer 26...

Page 24: ...box of FRD95 and FRD125 S No Description Remark 1 Top plate 2 Frame assembly 3 Left side plate assembly 4 Bottom plate assembly II 5 Bottom plate assembly I 6 PTC electric heater 7 Right side plate as...

Page 25: ...ling sequence of outdoor unit of FR D 95 FR D 125 S FR D 100 B FR95 C and FR125 C S 1 Exploded view of outdoor unit of FR D 95 FR D 125 S FR D 100 B FR95 C FR125 C S Exploded view of outdoor unit of F...

Page 26: ...apillary assembly 7 T pipe assembly 8 Valve Dg8 9 Motor support 10 Flat washer 5 11 Spring washer 5 12 Motor 13 Nut M5 14 Axial flow fan 15 Front panel assembly 16 Handle 17 Electric assembly 18 Baffl...

Page 27: ...uence of typical parts Outdoor electric assembly 1 Remove top cover 1 2 Remove right panel assembly 4 3 Remove cover plate on electric assembly 17 Outdoor motor 1 Remove top cover assembly 1 2 Remove...

Page 28: ...nce of parts 26 IX Exploded view and dismantling sequence of indoor unit of FR D 180 S and FR D 260 S 1 Exploded view of indoor unit of FR D 180 S and FR D 260 S Exploded view of indoor unit of FR D 1...

Page 29: ...ning strip 7 Left side plate assembly 8 Fixing block 9 Left small hole cover plate 10 Square hole cover plate assembly 11 Air intake 12 Bottom plate assembly 13 Impeller 14 Spiral casing assembly 15 T...

Page 30: ...ole cover plate assembly 10 3 Remove capacitor clip 20 Indoors left motor capacitor seen from air exhaust 1 Remove 1 2 Remove capacitor clip 20 Indoor motor 1 Remove 1 2 Remove 14 3 Same method as for...

Page 31: ...oded view dismantling sequence of parts 29 X Exploded view and dismantling sequence of outdoor unit of FR D 180 S 1 FR D 180 S outdoor unit exploded view FR D 180 S outdoor unit exploded view Outdoor...

Page 32: ...lary assembly 7 Manifold assembly 8 Valve Dg10 9 Motor support 10 Flat washer 5 11 Spring washer 5 12 Motor 13 Nut M5 14 Axial flow fan 15 Front panel assembly 16 Handle 17 Electric assembly 18 Cover...

Page 33: ...ypical parts A Outdoor electric assembly 1 Remove top cover 1 2 Remove right panel assembly 4 3 Remove cover plate 18 on electric assembly 17 B 1 Remove top cover assembly 1 2 Remove left panel assemb...

Page 34: ...dismantling sequence of parts 32 XI FR D 260 S outdoor unit exploded view and dismantling sequence 1 FR D 260 S outdoor unit exploded view and dismantling sequence FR D 260 S outdoor unit exploded vie...

Page 35: ...ir intake pipe assembly 1 9 LP valve assembly 1 29 Right air exhaust pipe assembly 1 10 Bolt M8 30 12 30 Connector assembly 1 11 Washer 8 12 31 Right side plate assembly 1 12 Spring washer 8 32 Air wa...

Page 36: ...Mass Outdoor unit kg 28 35 52 Indoor unit dB A 38 44 48 Noise Outdoor unit dB A 50 52 56 Refrigerant kg R22 0 71 R22 1 24 R22 1 6 Liquid pipe mm 6 Connecting pipe size Air pipe mm 10 12 Air exhaust si...

Page 37: ...ting 2420W 3100W Cooling 13 4A 17 8A Rated input current Heating 11 8 A 11 8 10 5 A 14 2 A 14 2 10 5 A Air circulation flow 1500 m3 h 2000 m3 h Air exhaust static pressure 30Pa Indoor unit noise 54dB...

Page 38: ...Main technical parameters 36 3 Value in is nominal value for auxiliary electric heating...

Page 39: ...Indoor unit noise 52dB A 54dB A Outdoor unit noise 62dB A 64dB A R22 filling amount 2 95Kg 3 2Kg Climate type T1 Remote control Yes Indoor unit 47Kg 52Kg Mass Outdoor unit 85Kg 95Kg Liquid pipe 10 1 L...

Page 40: ...6Pa 127Pa Indoor unit noise 61dB A 64dB A Outdoor unit noise 62dB A 64dB A R22 filling amount 2 95Kg 3 2Kg Climate type T1 Remote control Yes Indoor unit 35Kg 43Kg Mass Outdoor unit 85Kg 95Kg Liquid p...

Page 41: ...air static pressure 76Pa 127Pa Indoor unit noise 63dB A 66dB A Outdoor unit noise 65dB A 68dB A R22 filling amount 5 8Kg 11 5Kg Climate type T1 Remote control Yes Indoor unit 65Kg 46 85Kg 62 Mass Out...

Page 42: ...static pressure performance curve 1 Air flow static pressure performance curve for FR D 71 B FR D 100 B FR D 95 and FR D 125 S 2 Air flow static pressure performance curve of FR D 180 S and FR D 260...

Page 43: ...Circuit diagrams 41 Chapter V Circuit diagrams I Circuit diagrams...

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Page 53: ...Circuit diagrams 51...

Page 54: ...Circuit diagrams 52...

Page 55: ...Circuit diagrams 53...

Page 56: ...Circuit diagrams 54...

Page 57: ...contactor coil L Phase line feedline of power cable user supplied N Zero line feedline of power cable user supplied L Phase line of indoor outdoor connecting cable of power connecting cable user suppl...

Page 58: ...door connecting cable user supplied outdoor fan motor high speed 2 Indoor outdoor connecting cable user supplied outdoor fan motor medium speed 3 Indoor outdoor connecting cable user supplied reversin...

Page 59: ...C S and FRD125 S signal line terminals 1 Outdoor fan motor high speed 2 Outdoor fan motor medium speed 3 Reversing valve coil 4 Compressor AC contactor coil N Power supply zero line L1 3 phase power...

Page 60: ...Circuit diagrams 58 2 Gray Outdoors tube temperature sensor 3 Purple HP pressure controller 4 Orange LP pressure controller 5 Black Phase sequence 1 6 White Phase sequence 2 7 Brown Overcurrent...

Page 61: ...W 020 07 50 2 5 FAC 450V Comm line RF10W FG 000 01 OD PT probe wire FRD35 D 000 01 MC Compressor YZG 25RT1 YZG 39RCT1 SHX33SC4 U MF2 OD fan motor FRD35W 100 00WX FRD50W 080 01WX Axial flow fan FRD35W...

Page 62: ...h YK 3 1 2 25 M1 Outdoor fan motor YDK5120 30 6 YDK1120 45 6 C2 Capacitor Startup capacitance 6 F AC 450V M2 Compressor Q2 2 ZR47K3 PFJ M M Indoor fan motor YDK110 30 4 YDK5110 30 4 FU Indoor fuse 5A...

Page 63: ...8 F AC 450V C3 Capacitor CBB65A 60 F AC 450V C4 Capacitor CBB65A 1K 50 F AC450V Communication line RF10AW FG 000 01 RF10AW FG 000 01 OD pipe temp probe line RF10AW FG 000 02 RF10AW FG 000 02 M1 Outdoo...

Page 64: ...Capacitor CBB65A 1K 50 F AC450V Communication line RF10AW FG 000 01 RF10AW FG 000 01 OD pipe temp probe line RF10AW FG 000 02 RF10AW FG 000 02 M1 Outdoor fan motor YDK3120 45 6 YDK2120 45 6 M2 Compre...

Page 65: ...7 List of main parts wear parts of FR180 S and FR260 S Size Model Symbol Description FR D 180 S FR D 260 S PCB1 Main control board PCB2 Wire controller PCB3 Remote controller RT1 Temperature sensor 33...

Page 66: ...62 00 8 List of special main parts wear parts for FRD180 S FRD260 S aux electric heating Size Model Symbol Description FRD180 s FRD260 S PCB1 Main control board FT1 2 3 4 5 6 1 time fuse 153 10A 153 1...

Page 67: ...nstaller or designer is unaware of the relation between static pressure and noise level and fails to select proper model user may think that high static pressure air duct type air conditioner has low...

Page 68: ...ased on FR260 S Outdoor unit Indoor unit Air delivery pipeline Air delivery port Branch air return port Air return port Wire controller Connecting pipeline Medium static pressure air duct air conditio...

Page 69: ...bject to potential hazard before installation Position of installation shall ensure shortest connecting hose between indoor and outdoor units and length of indoor air duct shall be suitable Sufficient...

Page 70: ...68 FR D 95 FR D 125 S a mm b mm c mm d mm e mm FR D 95 655 300 698 FR D 125 S 865 400 618 330 908 FR D 71 B FR D 100 B Code Model a mm b mm c mm d mm e mm FR D 71 B 1200 1160 1230 FR D 100 B 1820 226...

Page 71: ...Installation 69 FR95 C FR125 C S FR D 180 S FR D 260 S Code Model A mm B mm C mm D mm E mm F mm FR D 180 S 1309 300 654 1352 FR D 260 S 1800 618 400 330 888 1843...

Page 72: ...ing hook on indoor unit Use 4 M10 expansion bolts to fix lifting hook on bearing mounting face 2 Installation mode for other models based on FR180 S and FR260 S The following is an ideal installation...

Page 73: ...ust air port inside the machine 1 Auxiliary electric heater installation dimensions Refer to the following figure and table for installation dimensions of FRD95 FRD125 S FRD180 S and FRD260 S auxiliar...

Page 74: ...not be lower than required in the figure below Avoid low place where water can accumulate A location where piping of indoor and outdoor units and power cables can be easily arranged to facilitate ins...

Page 75: ...ation 2 Installation of outdoor unit To avoid center of gravity offset and protect compressor never tilt the machine by more than 45 degrees during transportation Use M12 bolts to fix machine chassis...

Page 76: ...strictly follow instruction manual When arranging rain shelter do not affect heat dissipation of the machine IV Installation of air duct 1 The following shows a number of typical installation modes fo...

Page 77: ...duct shall meet specification In case of noise requirement by user follow relevant requirements described in air duct design and noise reduction sections of this manual 3 Recommended distance from mai...

Page 78: ...d one fresh air port is provided at each side of the unit and can be open to needs Refer to installation mode 3 for fresh air port arrangement for FR D 95 FR D 125 S FR D 71 B FR D 100 B FR D 180 S an...

Page 79: ...justment can be made according to height of indoor ceiling Return air grating with washable air strainer must be installed to prevent dust from entering the unit Recommended distance between return ai...

Page 80: ...team to avoid change of position and installation mode of installed indoor unit keep indoor unit condensate pipe clean and reserve maintenance openings for future maintenance V Installation of LCD wir...

Page 81: ...and drain pipe so as to prevent ingress of rainwater and air 2 Installation of condensate drain pipe 1 Condensate drain pipe shall be normal PVC pipe of 16 17 inner diameter FR95 C FR125 C S water dis...

Page 82: ...air is basically vent Immediately tighten air pipe nut with spanner Then open both shutoff ball valve cores put on valve core nuts and tighten Note Use of the unit without opening all valve cores will...

Page 83: ...R D 95 FR D 125 S FR95 C FR125 C S FR D 180 S FR D 260 S Recommended max length m 15 20 20 20 20 Recommended max HGTdiff m 5 8 8 8 10 Recommended max elbows 3 5 5 5 5 When length and height exceed abo...

Page 84: ...h normal operation reverse compressor rotation can cause high noise and small current FR D 180 S and FR D 260 S wire controller will indicate E6 confirm no absent phase for reverse compressor rotation...

Page 85: ...t and air port air speed according to state codes and standards Product installation and operation manual and Chunlan design code for home commercial centralized air conditioning system Data in follow...

Page 86: ...peed Remark Orifice 3 5 Seam port 2 4 Spout 4 10 Upper limit is preferred for high even delivery requirement or hot air for high installed position of port or higher air speed is allowed in area of pe...

Page 87: ...higher user requirement on noise silencers shall be installed on air delivery return ducts a Resistive silencer By means of sound absorbing material stuck on inner wall of air duct sound energy propag...

Page 88: ...rom environment and rooms that require quietness The unit can be can be installed in special equipment room toilet storeroom or other ancillary rooms If this is not feasible make sure to contact our q...

Page 89: ...product samples for preliminary determination of air port size 3 Calculate air resistance in air delivery return systems Further verify correct type selection of air duct and ports by referencing uni...

Page 90: ...ght tube branch tube elbow or air port for particular type selection reference manufacturer product samples 4 Increase thickness of air duct wall and wrap ultra fine glass wool or other sound absorbin...

Page 91: ...ating status With unit in operating status press power ON OFF key will stop the unit and place it in standby status After pressing power ON OFF key if power supply is interrupted and resumed the unit...

Page 92: ...erate in set mode and timing status automatically changes to normal operation Time setting is 01 24h Initial value is 01 interval is 1h and this setting will increase 1h every time the timing key is p...

Page 93: ...ess this key to decrease temperature by 1 degree Temperature setting range is 12 32 when temperature display is 12 temperature decrease key is not functional when temperature display is 32 temperature...

Page 94: ...to polarity requirement in battery chamber Close batteries cover by pushing upward Notes 1 Use 2 5 1 5V batteries do not mix different batteries 2 Remove batteries if the remote controller will not be...

Page 95: ...ower than current indoor temperature otherwise the unit will be in ventilating mode b If ambient is too high cooling load will be too high so that set temperature won t be met c For your health and po...

Page 96: ...n installation position and environment Frequently clean indoor strainer to avoid failure Indoor units of FR D 95 FR D 125 S FR D 180 S FR D 260 S FR95 C and FR125 C S are complete with strainer Indoo...

Page 97: ...n E8 E8 E8 E8 Low pressure protection E9 In case of repeated protections of air conditioner cut off power supply and have failure corrected by specialty maintenance personnel before restarting the mac...

Page 98: ...shooting 1 Neither indoor unit nor outdoor unit operating Phenomena Possible causes Correction method Power outage Restore power supply Transformer burnt down Locate fault repair replace transformer S...

Page 99: ...a Possible causes Correction method Neither outdoor fan nor compressor operating at Cooling or Heating OD control board relay coil broken wire or bad contact Replace relay OD fan motor failure or dama...

Page 100: ...in long operation will reduce air cycle and lower evaporator heat exchange efficiency hence cooling effect Clean strainer to remove dust and let it dry in cool air before reinstallation Dust accumula...

Page 101: ...ng HP and LP etc Replace compressor Bad thermal insulation of indoor outdoor unit connecting pipe Apply separate thermal insulation for bid and small pipes Reversing valve failure Replace reversing va...

Page 102: ...Replace with insulated pipe or wrap drain pipe with insulation Clogged or broken drain pipe Clean or replace drain pipe Wrapping of pipe connector not tight dewing Wrap tight Water leakage in indoor c...

Page 103: ...or if normal check if R7 on ID board is 10K ID pipe temp probe broken wire short circuit Wire controller displays E3 put it into operation after re powerup First check ID pipe temperature sensor conne...

Page 104: ...main control board damage No heating function Check for normal temperature sensor RT1 Check for normal DC12V DC5V power supply Check for reliable output port connection of compressor reversing valve I...

Page 105: ...n wire short circuit Wire controller displays E3 only put it to operation after re powerup First check for bad contact in indoor pipe temperature sensor connection Check for broken wire or short circu...

Page 106: ...or bad contact at ID OD connecting cable Check for damaged OD board current transformer Load relief protection Wire controller displays E8 only put it to operation after re powerup Check for normal co...

Page 107: ...r intact fan capacitors Outdoor fan failure Check for intact connection of outdoor unit wiring terminal Check for damaged main control board Check for intact outdoor fans Check for intact fan capacito...

Page 108: ...r re powerup First check ID pipe temperature sensor connection for bad contact check for broken wire or short circuit in sensor if normal check if R6 on ID board is 10K OD pipe temp probe broken wire...

Page 109: ...V batteries Check crystal oscillator circuit Check for normal transmitter Check for displaced or bad contact in conducting rubber No cooling function Check for normal temperature sensor RT1 Check for...

Page 110: ...tion Check for intact indoor fans Check for intact fan capacitors Outdoor fan failure Check for intact connection of outdoor unit wiring terminal Check for damaged main control board Check for intact...

Page 111: ...ch hose leading 2 lines of right angle bends This branch hose was 20cm diameter round corrugated plastic hose and total air delivery cross sectional area was less than 0 1 m2 hence air delivery side w...

Page 112: ...es noise level is apparently high 2 Unit installed on support angle steel by hard contact causes resonance and hard contact between metal air duct and ceiling running water pipe aggravates the resonan...

Page 113: ...ol boards and wire controllers of two units the same protections occurred on the same unit Analysis According to past maintenance experience main control board manufactured before 2002 and used in hum...

Page 114: ...r complained about poor cooling and heating effect Analysis 1 There were a total of 3 air delivery ports one was too near and the other two had small delivery speed 2 Incorrect air delivery angle Solu...

Page 115: ...air delivery port had high noise Analysis 1 Fixing of indoor unit did not follow instruction manual requirements 2 Distance between return air box and ceiling was only 12cm and return air space was t...

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