Skyworth SUV2-H18/3CFA-N Service Manual Download Page 2

Page: 2 / 72

CONTENT

1. Safety Precautions ...................................................................................... 1

2. Speci

cations .............................................................................................. 3

2.1 Unit Speci

cations ..................................................................................................... 3

2.2 Operation Characteristic Curve ............................................................................. 13

2.3 Capacity Variation Ratio According to Temperature ............................................ 13

2.4 Noise Curve .............................................................................................................. 14

3. Construction Views ................................................................................... 15

3.1 Outdoor Unit ............................................................................................................. 15

4. Refrigerant System Diagram .................................................................... 18
5. Schematic Diagram ................................................................................... 18

5.1 Electrical Wiring ....................................................................................................... 18

6. Installation Manual .................................................................................... 22

6.1 Standard Accessory Parts ....................................................................................... 22

6.2 Installation Location and Matters Needing Attention .......................................... 23

6.3 Check after installation ........................................................................................... 31

6.4 Test operation .......................................................................................................... 31

6.5 Conf guration of connection pipe .......................................................................... 32

6.6 Pipe expanding method .......................................................................................... 33

7. Exploded Views and Parts List ................................................................ 34

7.1 Outdoor Unit ............................................................................................................. 34

8. Troubleshooting ........................................................................................ 46

8.1 PCB Printed Diagram ............................................................................................... 46

9. Removal Procedure .................................................................................. 50

9.1 Removal Procedure of Outdoor Unit(18K) ............................................................. 50

9.2 Removal Procedure of Outdoor Unit(24K

、

28K) ................................................... 56

9.3 Removal Procedure of Outdoor Unit(36K

、

42K) ................................................... 62

Summary of Contents for SUV2-H18/3CFA-N

Page 1: ...MODELS SUV2 H18 3CFA N SUV3 H24 3CGA N SUV4 H28 3CGA N SUV4 H36 3CHA N SUV5 H42 3CHA N Refrigerant R32 ...

Page 2: ... 18 6 Installation Manual 22 6 1 Standard Accessory Parts 22 6 2 Installation Location and Matters Needing Attention 23 6 3 Check after installation 31 6 4 Test operation 31 6 5 Conf guration of connection pipe 32 6 6 Pipe expanding method 33 7 Exploded Views and Parts List 34 7 1 Outdoor Unit 34 8 Troubleshooting 46 8 1 PCB Printed Diagram 46 9 Removal Procedure 50 9 1 Removal Procedure of Outdoo...

Page 3: ...Summary and Features Outdoor Unit 18K 24K 28K ...

Page 4: ...36K 42K ...

Page 5: ...e site after installation Make sure no foreign objects are left in the unit Always ensure effective grounding for the unit Incorrect handling could result inpersonal injury or death Incorrect handling may result inminor injury or damage to product or property Warning Caution Warning Caution All electric work must be performed by a licensed technician according to local regulations and the instruct...

Page 6: ...onpolluting refrigerant with no harm to the ozonosphere The influence upon the greenhouse effect is also lower R32 has got very good thermodynamic features which lead to a really high energy efficiency The units therefore need a less filling The Refrigerant WARNING Do not use means to accelerate the defrosting process or to clean other than those recommended by the manufacture Should repair be nec...

Page 7: ...KW 1 40 Heating Power Input KW 1 25 Cooling Rated Power Input KW 2 50 Heating Rated Power Input KW 2 25 Cooling Current Input A 6 21 Heating Current Input A 5 55 Cooling Rated Current Input A 11 09 Heating Rated Current Input A 9 98 Compressor Trademark PANASONIC Compressor Manufacturer PANASONIC WANBAO APPLIANCES COMPRESSOR GUANGZHOU CO LTD Compressor Model 9RD132ZAA21 Compressor Type1 Inverter R...

Page 8: ... Length L Height H Width W mm 875 660 38 1 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Cooling Operation Ambient Temperature Range 15 55 Heating Operation Ambient Temperature Range 20 30 Maximum drive IDU NO unit 2 Defrosting Method Automatic Defrosting Isolation I Moisture Protection IP24 Overload Pr...

Page 9: ...er Input KW 1 70 Cooling Rated Power Input KW 3 30 Heating Rated Power Input KW 3 20 Cooling Current Input A 8 43 Heating Current Input A 7 54 Cooling Rated Current Input A 14 64 Heating Rated Current Input A 14 20 Compressor Trademark PANASONIC Compressor Manufacturer PANASONIC WANBAO APPLIANCES COMPRESSOR GUANGZHOU CO LTD Compressor Model 9RD160ZAA21 Compressor Type1 Inverter Rotary Compressor C...

Page 10: ...r Length L Height H Width W mm 970 748 38 1 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Cooling Operation Ambient Temperature Range 15 55 Heating Operation Ambient Temperature Range 20 30 Maximum drive IDU NO unit 3 Defrosting Method Automatic Defrosting Isolation I Moisture Protection IP24 Overload P...

Page 11: ...ing Rated Power Input KW 10 20 Heating Rated Power Input KW 9 32 Cooling Current Input A 15 97 Heating Current Input A 15 08 Cooling Rated Current Input A Heating Rated Current Input A Compressor Trademark PANASONIC Compressor Manufacturer PANASONIC WANBAO APPLIANCES COMPRESSOR GUANGZHOU CO LTD Compressor Model 9RD198ZAC21 Compressor Type1 Inverter Rotary Compressor Capacity W 5670 Compressor Powe...

Page 12: ...er Length L Height H Width W mm 990 790 38 1 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Cooling Operation Ambient Temperature Range 15 55 Heating Operation Ambient Temperature Range 20 30 Maximum drive IDU NO unit 4 Defrosting Method Automatic Defrosting Isolation I Moisture Protection IP24 Overload ...

Page 13: ... sq in 0 0062 Recommended Power Cable Core 3 Fuse Current A 32 Max Over Current Protection A 32 Cooling Power Input KW 3 6 1 85 5 00 Heating Power Input KW 3 2 1 58 4 50 Cooling Rated Power Input KW 5 75 Heating Rated Power Input KW 5 10 Cooling Current Input A 15 81 7 96 22 0 Heating Current Input A 14 05 6 94 19 76 Cooling Rated Current Input A 25 25 Heating Rated Current Input A 22 63 Compresso...

Page 14: ...ight H Width W mm 945 968 38 1 Condenser Max Allowable Pressure MPa 10 00 Outdoor max operating pressure of heat exchanger MPa 4 30 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Maximum Allowable Pressure MPa 4 3 Cooling Operation Ambient Temperature Range 15 55 Heating Operation Ambient Temperature Ran...

Page 15: ...or sq in 0 0062 Recommended Power Cable Core 3 Fuse Current A 32 Max Over Current Protection A 32 Cooling Power Input KW 4 5 2 30 5 7 Heating Power Input KW 4 2 2 07 5 2 Cooling Rated Power Input KW 6 75 Heating Rated Power Input KW 6 30 Cooling Current Input A 19 76 10 1 24 5 Heating Current Input A 18 45 9 09 22 84 Cooling Rated Current Input A 29 64 Heating Rated Current Input A 27 95 Compresso...

Page 16: ...r Inch FPI 18 14 Condenser Fin Colour blue Condenser Number of Circuits 10in 10out Condenser Length L Height H Width W mm 945 968 38 1 Condenser Max Allowable Pressure MPa 10 00 Outdoor max operating pressure of heat exchanger MPa 4 30 Maximum Allowable Pressure MPa 4 3 Cooling Operation Ambient Temperature Range 15 55 Heating Operation Ambient Temperature Range 20 30 Maximum drive IDU NO unit 5 D...

Page 17: ... 42 43 44 45 46 Capacity ratio Outdoor temp C Capacity ratio Heating Cooling Heating Cooling 20 15 10 5 0 5 10 110 120 130 100 90 80 70 60 50 40 Outdoor temp C 50 60 70 80 90 100 110 120 130 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Capacity ratio Outdoor temp C Capacity ratio 15 10 5 110 100 90 80 70 60 50 40 0 5 7 10 Conditions Indoor DB20 C Indoor air flow Super High Pipe length 5m Outdoor t...

Page 18: ...14 Specifications Specifications 2 4 Noise Curve Outdoor side noise when blowing Compressor frequency Hz 46 48 50 52 54 56 58 60 62 20 0 3 0 4 50 60 70 80 90 Noise dB A 18K 24 28K 36 42K ...

Page 19: ...15 Construction Views Construction Views 3 Construction Views 3 1 Outdoor Unit Unit mm 890 960 700 368 340 396 560 18K ...

Page 20: ...16 Construction Views Construction Views 24K 28K Unit mm 920 990 790 394 370 426 610 ...

Page 21: ...17 Construction Views Construction Views 36K 42K Unit mm 950 1020 997 368 340 396 590 ...

Page 22: ...ed into refrigerant liquid After passing through the throttling device the temperature and pressure of the refrigerant liquid will further decrease and then go the main valve After that it will be divided and go to the heat exchanger of each indoor unit to exchange heat with the air which needs to be conditioned Consequently the refrigerant liquid become low temperature low pressure refrigerant ga...

Page 23: ...19 Schematic Diagram Schematic Diagram SUV2 H18 1CFA N 24K ...

Page 24: ...1 8 6 48 78 7 03 6 1625 7 03 6 1625 6 48 7 03 6 1625 7 03 6 1625 5 5 4 4 9 7521 3 16 21 9 9 9 8 20 36K 6 7 20 5 287 1 9 8 30 20 4 20 4 30 B B1 5 5 287 1 287 29 9 9 9 9 9 9 5 9 9 8 7 03 5 7 03 7 03 33 33 3 3 7 7 7 7 7 20321 17 326 7 21 5 0 3 3 3 0 1 2 5 3 9 9 9 0 1 02725 203 2035 6625 6 7 29 5 2 3527 725 9 7521 1 7 9 9 1 8 7 1 3 2 35 6685 6 7 3 3 57 28778 7 03 6 1625 57 2875221 7 03 6 1625 57 867 7...

Page 25: ...2875221 7 03 6 1625 57 867 7 03 6 1625 7 7 50 1 2 5 7 1 2873 3 7 03 6 1625 6 0 1 0 0 1 2 5 35 6685 6 7 35 6685 6 7 7 50 1 2 5 1 2873 3 7 03 6 1625 1 2873 3 7 03 6 1625 1 2873 3 7 03 6 1625 1 2873 3 7 03 6 1625 4 4 4 4 4 4 4 9 7 7 203 7 5 7 5 1 8 1 1 1 8 1 03D 03D 03D 1 3 1 1 225 81 7 3 7 1 8 1 1 1 225 81 7 3 7 1 8 1 1 1 225 81 7 3 7 1 8 1 1 1 225 81 7 3 7 1 8 1 1 57 57 57 4 4 4 4 3 55 66 5 3 1 225...

Page 26: ...K unit Three for 28K unit Five for 36K 42K unit Others Instructions bar code Table 1 Table 2 90mm Joined with the pipe joint of outdoor Unit Joined with the connection pipe connected with indoor Unit NO Joined with the connection pipe connected with indoor Unit Joined with the pipe joint of outdoor Unit Usage 1 Φ12 7 Φ9 52 one for 18K unit two for 24K 28K unit one for 36K unit 2 Φ15 9 Φ9 52 one fo...

Page 27: ...outdoor ambient temperature is lower than 0 C 32 F Besides the installation of the outdoor unit should not affect the heat radiation of the unit The unit installed in the following places is likely to run abnormally If unavoidable please contact the professional personnel at the appointed service center Where is full of oil Alkaline soil off the sea Where there is sulfur gas like sulfur hot spring...

Page 28: ...location is being considered so as to let the unit run well enough 1 The discharged air from the outdoor unit won t return back and enough space should be left for maintenance around the unit 2 The installation location should be in good condition so that the unit is able to take in and discharge enough air Besides make sure there is no obstacle at the air inlet outlet of the unit If there is remo...

Page 29: ... 52 24 71 Outdoor Unit 18 52 24 71 28 82 36 100 42 120 Table 4 Installation Space Requirements of the Outdoor Unit Units mm 1 The outdoor unit with energy level 18 can drive up to two sets of indoor units the outdoor unit 24 can drive up to three the outdoor unit 28 36 can drive up to four while the outdoor unit 42 can drive up to five 2 The sum of the capacity codes of the indoor units should be ...

Page 30: ...EGN 2 3 N 1 XT2 INDOOR UNIT 2 WH BU BK RD BN PE GN YEGN 2 3 N 1 XT3 INDOOR UNIT 3 WH BU BK RD BN PE GN YEGN 2 3 N 1 XT4 INDOOR UNIT 4 WH BU BK RD BN PE 36K OUTDOOR UNIT L N XT POWER BK BN WH BU GN YEGN GN YEGN 2 3 N 1 XT1 INDOOR UNIT 1 WH BU BK RD BN PE GN YEGN 2 3 N 1 XT2 INDOOR UNIT 2 WH BU BK RD BN PE GN YEGN 2 3 N 1 XT3 INDOOR UNIT 3 WH BU BK RD BN PE GN YEGN 2 3 N 1 XT4 INDOOR UNIT 4 WH BU BK...

Page 31: ...the connection of the indoor unit and the refrigerant pipe never pull any joints of the indoor unit by force otherwise the capillary pipe or other pipe may crack which then would result in leakage 2 The refrigerant pipe should be supported by brackets that is don t let the unit withstand the weight of it 1 The refrigerant pipe should be insulated by the insulating material and plastic tape in orde...

Page 32: ...it from the gas valve 1 Refrigerant Charge in the Outdoor Unit before Shipment Notes 1 The refrigerant charge mentioned in the table above is not include those charged additionally in the indoor unit and the refrigerant pipe 2 The amount of the additional refrigerant charge is dependent on the diameter and length of the liquid refrigerant pipe which is decided by the actual yield installation requ...

Page 33: ...f each liquid refrigerant pipe is a b c d 20 15 15 15 65m Thus the minimum additional refrigerant charge 65 40 0 022 0 55kg Note no additional refrigerant is needed for the liquid pipe within 40m Diameter Total Length m Additional Refrigerant Refrigerant kg Φ15 9 Φ12 7 Φ9 52 Φ6 35 Total No Indoor Unit Model Additional Refrigerant Refrigerant kg 1 2 3 N Total Serial No a b c d Diameter Φ6 35 Φ6 35 ...

Page 34: ...wn or the components may be burnt out Is there any obstacle at the air inlet outlet of the indoor outdoor unit The cooling heating capacity may be poor Have the length of the refrigerant pipe and the refrigerant charge been recorded It may be hard to know the exact refrigerant charge 1 Check before the Trial Running 1 Check if the appearance of the unit and the piping system are damaged during the...

Page 35: ...s the unit grounded securely It may cause electric leakage Does the power cord follow the specification It may cause malfunction or damaging the parts Is there any obstruction in the air inlet and outlet It may cause in sufficient cooling heating capacity The dust and sundries caused during installation are removed It may cause malfunction or damaging the parts The gas valve and liquid valve of co...

Page 36: ...connection pipe is prolonged for 10m at the basis of standard length you should add 5ml of refrigerant oil for each additional 5m of connection pipe Thecalculation methodof additional refrigerant charging amount onthe basis of liquid pipe Additional refrigerant charging amount prolonged length of liquid pipe additional refrigerant charging amount per meter Basing on the length of standard pipe add...

Page 37: ... downwards C Put on suitable insulating pipe D Put on the union nut Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the pipe union pipe pipe E Expand the port Expand the port with expander expander hard mold pipe Note A is different according to the diameter please refer to the sheet below Outer diameter mm A mm Max Min Ф6 6 35 1 4 1 3 0 7 Ф9 52 3 8 1 ...

Page 38: ...and Parts List Exploded Views and Parts List 7 Exploded Views and Parts List 7 1 Outdoor Unit Model 18K 38 39 40 42 41 35 36 37 29 33 30 31 32 34 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17 19 18 20 21 22 23 24 25 26 27 28 12 ...

Page 39: ...g sponge outside K61410062 1 18 big handle K22210007 1 19 valve cover K21420019 1 20 big handle guard board K10620004 1 21 right side panel K10600036P 1 22 vavle stopper K21420020 4 23 valve support subassembly K11200019P 1 24 small valve assembly K14200099Y 1 25 big valve assembly K14200065 1 26 suction pipe K20307062 1 27 compressor and accessory K10001003 1 28 thermal package stents K20305066Y ...

Page 40: ...36 Exploded Views and Parts List Exploded Views and Parts List Model 24K 9 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 39 38 37 36 40 41 42 43 44 45 46 ...

Page 41: ...0 gas liquid separator K14410110 1 21 Partition board subassembly K10440025 1 22 compressor and accessory K10001004 1 23 electric heating belt compressor K30800004 1 24 electronic expansion valve coil K3380001402 1 25 electronic expansion valve coil K3380001401 1 26 electronic expansion valve coil K3380001403 1 27 big valve assembly K14200041 1 28 vavle stopper K21420020 6 29 valve support subasse...

Page 42: ...38 Troubleshooting Troubleshooting Model 28K ...

Page 43: ...our liquid separator K14410110 1 21 Clapboard Sub Assy K10440025 1 22 Compressor and fittings K10000166 1 23 electric heating belt compressor K30800004 1 24 tempreature sensor K3300000301 1 25 tempreature sensor K3300000501 1 26 tempreature sensor K3300000502 1 27 electronic expansion valve coil K3380001401 1 28 electronic expansion valve coil K3380001402 1 29 electronic expansion valve coil K3380...

Page 44: ...40 Troubleshooting Troubleshooting Model 36K ...

Page 45: ...emp sensor 20KT 15KS 50KT JST XARP 06V K33000009 1 19 temp sensor 20KT 15KS 50KT JST XARP 06V K33000010 1 20 temp sensor 20KT 15KS 50KT JST XARP 06V K33000011 1 21 drain joint K13210001 1 22 electric heating cable tabletting K11410002 13 23 electric heating belt chassis K3080000502 1 24 wiring compressor K30204186 1 25 noise absorption sponge inside K1034007301 1 26 noise absorption sponge outside...

Page 46: ...3 plastic fixing coil K22200001 1 44 wiring board K33600008 4 45 wire fix clamp K61000004 5 46 insulation gasket K60600004 5 47 wiring board support K11230027 1 48 fixing board K11240013 1 49 radiator K34810017 1 50 electric box K20400047 1 51 main board W9043AJ K50102280 1 52 main board Q1225 K50102281 1 53 electric box cover K20600034 1 54 top cover K10450035P 1 55 small handle K22210004 1 56 wi...

Page 47: ...43 Troubleshooting Troubleshooting Model 42K ...

Page 48: ...420035 1 17 condenser assembly K10300229 1 18 temp sensor 20KT 15KS 50KT JST XARP 06V K33000009 1 19 temp sensor 20KT 15KS 50KT JST XARP 06V K33000010 1 20 temp sensor 20KT 15KS 50KT JST XARP 06V K33000011 1 21 temp sensor 20KT 20KT XH 4P K3 K33000012 1 22 drain joint K13210001 1 23 electric heating cable tabletting K11410002 13 24 electric heating belt chassis K3080000502 1 25 wiring compressor K...

Page 49: ...8 1 41 air louver K15200051 1 42 inductor K34010014 1 43 plastic fixing coil K22200001 1 44 wiring board K33600008 5 45 wire fix clamp K61000004 5 46 insulation gasket K60600004 5 47 wiring board support K11230027 1 48 fixing board K11240013 1 49 radiator K34810017 1 50 electric box K20400047 1 51 main board W9043AJ K50102279 1 52 main board Q1225 K50102281 1 53 electric box cover K20600034 1 54 t...

Page 50: ...nterface 7 TEMP Temp testing interface Connect temp sensor 8 TUBE Pipe temp testing interface Connect 1 2 pipe temp sensor 9 HEAT B Chassis electrical heater inteace Connect chassis electrical heater belt 10 HEAT C Compressor elec rical hea er in erface Connect compressor electrical heater belt 11 F WAY 4 ay valve interface Connect 4 tay valve 12 OUTFAN2 AC fan interface Connect outdoor AC fan 13 ...

Page 51: ... 4 electronic expansion valve blue interface 8 TUBE3 4 Pipe temp testing interface Connect no 3 temp sensor 9 TEMP rremp sensor interface Connect temp sensor 10 TUBE1 2 Pipe temp testing interface Connect no 1 2 pipe temp sensor 11 OUTFAN Fan interface Connect outdoor fan interface 12 F WAY 4 way valve interface Connect 4 way valve 13 HEAT G Compressor electrical hea er interface Connect compresso...

Page 52: ...to 485 communication interface 3 RE_1 NO 1 reactor interface connect NO 1 reactor 4 AC_N power naught wire interface connect power naught wire 5 RE_2 NO 2 reactor interface connect NO 2 reactor 6 AC_L power live wire connect power live wire 7 RLY_12V relay 12V power line interface connect to relay 8 U BU V YE W BK compressor power line interface connect compressorU BU connect blue V YE connect yel...

Page 53: ...nterface 11 EEV BK electronic expansion valve interface connect NO 1 electronic expansion valve black interface 12 TEMP3 RD temp sensor interface connect NO 3 temp sensor 13 TEMP2 WH temp sensor interface connect NO 2 temp sensor 14 TEMP4 RD temp sensor interface connect NO 4 temp sensor 15 P SW WH pressure switch interface connect pressure switch white 16 TEMP1 WH temp sensor interface connect NO...

Page 54: ... off all power supplies before disassembly Warning 1 Before disassembly 2 Remove top cover Remove connection screws connecting the top cover plate with the front panel and the right side plate and then remove the toppanel Top cover Procedure Note Screw 3 Remove protective grille Remove the screws fixing protective grille and then remove the protective grille ...

Page 55: ... the front panel Grille Front panel 5 Remove axial flow blad and Motor Remove the nut fixing the blade and then remove the axial flow blade Remove tapping screws fixing the motor anddisconnect the leading wire insert of the motor Then remove the motor Axial flow blade Motor 6 Remove big handle valve cover Remove the connection screw fixing the big handle and then remove the handle Use a screwdrive...

Page 56: ...c box to remove it Procedure Note Electric box assy Screw 7 Remove left side plate Remove connection screws connecting the left side plate with the condenser assy Then remove the left side plate 8 Remove right side plate Remove connection screws connecting the right side plate with the valve support and the electric box Then remove the right side plate Right side plate Left side plate ...

Page 57: ...d screw motor bracket is desirable Procedure Note Motor support 12 Remove acoustic cotton Acoustic cotton 1 Acoustic cotton 2 Acoustic cotton 3 Split the acoustic cotton lock and take out 3 pcs slowly NOTE Do not damage the pipe 10 Remove Reactor Reactor Take off the fixed scre and you could take off the reactor ...

Page 58: ...have fixed screw drive remove the partition Procedure Note Warning Discharge the refrigerant completely before unsoldering when unsoldering wrap the gas valve with awet cloth completely to avoid damage to thevalve caused by high temperature Unsolder the spot weld of 4 way valve assy compressor and condenser and then remove the 4 way valve assy When unsoldering the spot weld wrap the 4 way valve wi...

Page 59: ...sor Liquid valve A Remove the 2 screws fixing the gas valve and unsolder the welding joint between the gas valve and the air return pipe to remove the gas valve 15 Remove Expansion valve Assy Unsolder the spot weld of expansion valve assy liquid valve and condenser and then remove the expansion valve assy Expansion valve Assy Gas valve Compressor ...

Page 60: ...val Procedure of Outdoor Unit 24K 28K Warning 1 Before disassembly 2 Remove top cover Remove connection screws connecting the top cover plate with the front panel and the right side plate and then remove the toppanel Top cover Procedure Note 3 Remove protective grille Remove the screws fixing protective grille and then remove the protective grille ...

Page 61: ...to the handle of the side plate hole by hand press make the side plate and on the right side of card board panel button out again ask outside can remove the side plate side plate 5 Remove grille and panel A Remove connection screws between the front grille and the front panel Then remove the front grille B Remove connection screws connecting the front panel with the chassis and the motor support a...

Page 62: ... screw drive pull up to remove the valve cover Big handle Valve cover 8 Remove left side plate Remove connection screws connecting the left side plate with the condenser assy Then remove the left side plate Left side plate 9 Remove right side plate Remove connection screws connecting the right side plate with the valve support and the electric box Then remove the right side plate Right side plate ...

Page 63: ...ic box to remove it Procedure Note Electric box assy Screw 11 Remove Reactor Reactor Take off the fixed scre and you could take off the reactor 12 Remove motor and motor support Remove tapping screws fixing the motor anddisconnect the leading wire insert of the motor Then remove the motor Remove tapping screws fixing the motor andlift the motor support to remove it Motor support Motor ...

Page 64: ...lve with wet cloth completely to avoid damaging the valve due to high temperature 4 way valve assy 15 Gas liquid separator and diaphragm Open the suction of spot welding remove the suction pipe Use screwdriver unscrewed the fixed screw of gas liquid separator the upward gas liquid separator gas liquid separator is desirable Use a screw knife clapboard and chassis have fixed screw drive partition i...

Page 65: ...ket set screw remove the air valve subassembly and hydraulic valve open air valve subassembly of spot welding take down the various valve Screwdriver unscrew the valve bracket and the chassis of the fixed screw take down the valve support 16 Remove Expansion valve Assy Unsolder the spot weld of expansion valve assy liquid valve and condenser and then remove the expansion valve assy Expansion valve...

Page 66: ...Procedure of Outdoor Unit 36K 42K Warning 1 Before disassembly 2 Remove top cover Remove connection screws connecting the top cover plate with the front panel and the right side plate and then remove the toppanel Top cover Procedure Note 3 Remove protective grille Remove the screws fixing protective grille and then remove the protective grille Grille ...

Page 67: ...l button out again ask outside can remove the side plate side plate Remove panel Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Front panel 5 Remove Valve cover Use a screwdriver to fixed valve cover screw drive pull up to remove the valve cover Valve cover Remove left side plate Remove connection screws connecting the lef...

Page 68: ...rt and the electric box Then remove the right side plate Right side plate Electric box assy 8 Remove electric box assy Remove screws fixing the electric box assy loosen the wire bundle and unplug the wiring terminals Then lift the electric box to remove it Reactor Remove Reactor Take off the fixed scre and you could take off the reactor Motor Remove motor Remove tapping screws fixing the motor and...

Page 69: ...pletely to avoid damage to thevalve caused by high temperature Unsolder the spot weld of 4 way valve assy compressor and condenser and then remove the 4 way valve assy When unsoldering the spot weld wrap the 4 way valve with wet cloth completely to avoid damaging the valve due to high temperature 4 way valve assy 11 Remove Expansion valve Assy Unsolder the spot weld of expansion valve assy liquid ...

Page 70: ...Use a screw knife clapboard and chassis have fixed screw drive partition is desirable 13 Split the valve and valve support Pull out the valve block with the hands or tools Screwdriver unscrew the valve and valve bracket set screw remove the air valve subassembly and hydraulic valve open air valve subassembly of spot welding take down the various valve Screwdriver unscrew the valve bracket and the ...

Page 71: ...67 Removal Procedure Removal Procedure Procedure Note Remove the foot nuts on the compressor and then remove the compressor Compressor 18 Remove Compressor ...

Page 72: ...SHENZHEN SKYWORTH AIR CONDITIONING TECHNOLOGY CO LTD NO 12 GAOKE AVENUE BAOLONG INDUSTRIAL CITY LONGGANG DISTRICT SHENZHEN GUANGDONG CHINA Web www skyworth ac com Tel 86 755 26743958 ...

Search results

Summary of Contents for SUV2-H18/3CFA-N

Reviews:

Related manuals for SUV2-H18/3CFA-N

Brands by name

Popular brands

Skyworth SUV2-H18/3CFA-N, Service Manual

Search results

Summary of Contents for SUV2-H18/3CFA-N

Reviews:

Related manuals for SUV2-H18/3CFA-N

Brands by name

Popular brands