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INVENTOR u-match on/off, Service Manual

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INVENTOR u-match on/off Service Manual Download Page 128

U-MATCH AIR CONDITIONERS                                                 MAINTENANCE 

 

125

5. Assembly of new 

electrical parts box 

modules 

 

Position accurately the 

new electrical parts box. 

Re-fasten the electrical 

parts box modules and 

screw down with 

screwdriver. 

6. Connection of power 

supply wires of each 

component 

Re-connect the connection 

wires of each components 

with right position 

according to the order of 

disassembly. 

7. Assembly of electrical 

parts box 

Assembly accurately the 

electrical parts box. 

Re-fasten and screw down 

the surrounding fixing screw 

with screwdriver. 

 

 

Summary of Contents for u-match on/off

Page 1: ......

Page 2: ...frosting 28 2 5 Fan Mode 29 3 WIRELESS REMOTE CONTROLLER 30 3 1 Operation View 30 3 2 Display View 32 4 WIRED REMOTE CONTROLLER 33 4 1 Operation View 33 4 2 Display View 35 4 3 Dimension 36 4 4 Instal...

Page 3: ...LECTRIC WIRING WORK 79 4 1 Wiring Principle 79 4 2 Electric Wiring Design 83 4 3 Specification of Power Supply Wire and Air Switch 86 MAINTENANCE 89 1 TROUBLE TABLE 89 2 FLOW CHART OF TROUBLESHOOTING...

Page 4: ...INVENTOR COMMERCIAL AIR CONDITION U MATCH AIR CONDITIONERS 1 PRODUCT...

Page 5: ...R410a 220 240 1 50 ULS 12 11940 12283 R410a 220 240 1 50 ULS 18 17060 19448 R410a 220 240 1 50 ULS 24 23884 27296 R410a 220 240 1 50 ULS 36 33437 37532 R410a 220 240 1 50 ULT 36 34120 37532 R410a 380...

Page 6: ...or Ceiling Type IKI 09 8870 9720 R410a 220 240 1Ph 50Hz IKI 12 11940 12283 IKI 18 17060 19448 IKI 24 23880 27300 IKI 36 33437 36781 IKI 45 42000 48000 IKI 50 48000 53000 Cassette Type ICI 12 11940 122...

Page 7: ...Heaters 4 Power Supply Code N Constant Frequency D DC Inverter A AC Inverter 5 Nominal Cooling Capacity Nominal Cooling Capacity Number 1000Btu h 6 Climate Type N Climate T1 Condition T Climate T3 Con...

Page 8: ...ting the lower unit The weekly timing function is able to realized four timing ON OFF periods for any unit every day so as to achieve fully automatic operation No timing control can be set for holiday...

Page 9: ...und Pressure Level H M L dB A 37 36 34 40 38 36 42 40 38 Air Filter Standard washable synthetic Drain Piping mm 20 1 2 20 1 2 30 1 5 Dimensions H W D Outline Package mm 220 913 680 258 995 750 220 913...

Page 10: ...U MATCH AIR CONDITIONERS PRODUCT 7 Max Height Difference m 15 15 15 Continued 1 Model Indoor unit IDI 24 IDI 36 IDI 36...

Page 11: ...ping mm 20 1 2 20 1 2 20 1 2 Dimensions W H D Outline Package mm 1270 268 504 1345 268 594 1251 290 744 1335 290 834 1251 290 744 1335 290 834 Weight Net Gross kg 37 45 57 67 57 67 Outdoor Unit ULS 24...

Page 12: ...L dB A 50 48 46 50 48 46 53 50 48 Air Filter Standard washable synthetic Drain Piping mm 20 1 2 20 1 2 32 1 5 Dimensions W H D Outline Package mm 1251 290 744 1335 290 834 1251 290 744 1335 290 834 1...

Page 13: ...itions Indoor Outdoor Cooling DB 27 80 6 WB 19 66 2 DB 35 95 WB 24 75 2 Heating DB 20 68 WB DB 7 44 6 WB 6 42 8 Piping Length 5m The air volume is measured at the relevant standard external static pre...

Page 14: ...7 44 41 46 44 41 54 50 46 Air Filter Standard washable synthetic Drain Piping mm 28 1 5 Dimensions W H D Outline Package mm 836 238 695 935 295 805 836 238 695 935 295 805 836 238 695 935 295 805 Weig...

Page 15: ...Sound Pressure Level H M L dB A 50 48 46 54 51 48 54 51 48 Air Filter Standard washable synthetic Drain Piping mm 28 1 5 Dimensions H W D Outline Package mm 1300 188 600 1414 248 724 1590 238 695 1714...

Page 16: ...220 240V 1Ph 50HZ Heat Exchange Cross Fin Coil Fan Type Centrifugal fan Drive Direct Driver Motor Output kW 0 085 2 0 18 2 Air Flow m3 h 1800 2100 Sound Pressure Level H M L dB A 54 51 48 58 55 52 Air...

Page 17: ...50 Max Height Difference m 30 Note Nominal capacities are based on the follow conditions Indoor Outdoor Cooling DB 27 80 6 WB 19 66 2 DB 35 95 WB 24 75 2 Heating DB 20 68 WB DB 7 44 6 WB 6 42 8 Pipin...

Page 18: ...ow m3 h 550 600 1180 Sound Pressure Level H M L dB A 47 45 43 Air Filter Standard washable synthetic Drain Piping mm 31 3 31 3 32 3 Indoor Unit Dimensions Outline Package W H D mm 600 230 600 848 310...

Page 19: ...Outline Package mm 848 540 320 878 590 360 848 540 320 878 590 360 1018 700 412 1100 755 450 Weight Net Gross kg 32 37 40 45 59 64 Piping Connections Liquid mm 6 35 6 35 9 52 Gas mm 12 7 12 7 15 8 Ma...

Page 20: ...ir Filter Standard washable synthetic Drain Piping mm 32 3 Indoor Unit Dimensions Outline Package W H D mm 840 320 840 960 394 960 Panel Dimensions Outline Package H W D mm 60 950 950 115 1040 1025 We...

Page 21: ...48 Air Filter Standard washable synthetic Drain Piping mm 32 3 Indoor Unit Dimensions Outline Package H W D mm 840 320 840 960 394 960 Panel Dimensions Outline Package H W D mm 60 950 950 115 1040 102...

Page 22: ...ting DB 20 68 WB DB 7 44 6 WB 6 42 8 Piping Length 5m The air volume is measured at the relevant standard external static pressure Noise is tested in the Semianechoic room so it should be slightly hig...

Page 23: ...20 1 5 11 3 ICI 18 0 36 6 20 1 11 3 ICI 18 0 1 6 20 1 11 3 ULS 24 ICI 24 1 60 11 2 0 61 1 35 6 25 2 5 14 6 ICI 24 0 9 6 25 1 5 14 6 ICI 24 0 32 6 25 1 14 6 ULS 36 ICI 36 1 97 18 42 0 8 4 5 10 40 5 7...

Page 24: ...U MATCH AIR CONDITIONERS PRODUCT 21 5 PIPING DIAGRAM...

Page 25: ...INVENTOR COMMERCIAL AIR CONDITION U MATCH AIR CONDITIONERS 22 CONTROL...

Page 26: ...U MATCH AIR CONDITIONERS CONTROL 23 CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Dry Operation...

Page 27: ...U MATCH AIR CONDITIONERS CONTROL 24 1 2 Heating Operation...

Page 28: ...ng and the indoor fan is running at a set speed When Tamb t Tpreset 1 the unit is in the cooling shutdown state and the compressor and the outdoor fan stop running and the indoor fan is running at a s...

Page 29: ...2 the unit is in the cooling shutdown state and the compressor and the outdoor fan stop running When Tprese 2 Tamb Tpreset 2 the unit is in the six minute stop and four minute operation state that is...

Page 30: ...conditions When Tamb Tpreset 1 the compressor and the outdoor fan stop running and the four way valve keeps energized and the indoor fan is running according to afterheat blowing conditions When T 1...

Page 31: ...ter 10 seconds the four way valve the indoor fan the outdoor fan and the compressor will run compulsively Defrosting completion conditions when defrosting runs 10 minutes or Tcond 10 defrosting will b...

Page 32: ...9 2 5 Fan Mode OFF OFF OFF OFF OFF OFF H The indoor fan runs at a fast speed for 5s and then runs at a set speed Compressor Outdoor fan Indoor fan 4 way valve Fan Mode Time Manual shutdown Starting up...

Page 33: ...FF button Press the button to set start or close unit 2 Mode button Press the button to select the mode cooling heating fan or auto mode 3 Increase Decrease button Press this button to increase decras...

Page 34: ...ng function 2 Increase Decrease button Press this button to increase decrase the setup temp 3 Mode button Press the button to select the mode cooling heating fan or auto mode 4 ON OFF button Press the...

Page 35: ...Fan Speed auto fan speed low fan speed middle fan speed high fan speed 2 Run Mode Auto running Cool running Dry Running Fan Running Heat running Heat and Cool unit only 3 Setup temp Temperature value...

Page 36: ...AIR CONDITIONERS CONTROL 33 4 WIRED REMOTE CONTROLLER 4 1 Operation View 1 Wired Controller Duct Type MODE ON OFF FAN SLEEP TIMER 2 Wired Controller Cassette Type and Ceiling Type MODE ON OFF FAN SWIN...

Page 37: ...ed off press the FAN button for 5seconds And set up the fresh air setup 3 Outer ambient temperature display Under normal condition ENV will display the room ambient temperature at unit turned on or un...

Page 38: ...4 Set temp display Display set temp value its range is 16 30 5 Run mode display auto mode cool mode dry mode fresh fan mode fan mode heat mode only cool and heat unit 6 Indoor temp display Display sur...

Page 39: ...er if surface mounting or concealed mounting is selected it is required to drill 2 holes in the same level which distance shall be the same as the distance 60mm of installation holes in the bottom pla...

Page 40: ...n No Name 1 Wall Surface 2 Bottom Plate of Wire Controller 3 Screw M4X10 4 Panel of Wire Controller Caution 1 The communication distance between the main board and the wire controller can be as far as...

Page 41: ...sets of units can be controlled simultaneously by the centralized controller not with week timer 5 1 2 Operation View NO Name Function description 1 ON button Press the button to set start unit 2 OFF...

Page 42: ...ctions Up to 16 sets of units can be controlled simultaneously by the centralized controller weekly timer The weekly timer has the function of invalidating the lower unit The weekly timing function is...

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

Page 44: ...hen set unit on on will display off when set unit off off will display 7 timer on time displays Display starts time 8 on control displays When set unit or group on it will display 9 off control displa...

Page 45: ...U MATCH AIR CONDITIONERS CONTROL 42 5 2 4 Dimensions...

Page 46: ...you can put foot 1 2 and 3 of the toggle switch to the opposite of ON and foot 4 to ON Example 2 to get 1010 which represents the serial number 11 you can put foot 2 and 4 of the toggle switch to the...

Page 47: ...rebox Telephonewirebox Telephonewirebox Twisted wirewithcrystaljoint Longest distance 1200m Corresponding relation between code switch and sequence of unit Note Putting code switch to ON means 0 AC LA...

Page 48: ...INVENTOR COMMERCIAL AIR CONDITION U MATCH AIR CONDITIONERS 45 INSTALLATION...

Page 49: ...osion or a fire 1 1 2 Installation Site Ensure the top hanging piece has strong strength to withstand the weight of the unit The drainage pipe has convenient flow of water There is no obstacle blockin...

Page 50: ...l pipes connecting pipes and drainage pipes and cables connecting lines of wire controller indoor unit and outdoor unit must be ready before the installation so as to achieve smooth installation Drill...

Page 51: ...1 1 6 Air Supply Air Intake i Condensate Drainpipe Level Instrument Condensate Drainpipe Enlarged View As the inside of the unit is in the negative pressure status it is required to set up a backwater...

Page 52: ...or of indoor unit Heat insulating material for small connector 1 For refrigerant pipe connector of indoor unit Heat insulation material for drain pipe 2 For packing condensate pipe and rubber plug Nut...

Page 53: ...rubber plugs When connecting the drainage pipe with the unit do not apply excessive force to the pipeline at the side of the unit The fixing position of the pipeline shall be near the unit Purchase ge...

Page 54: ...acilitate the drainage of condensate The joints of the Drainage Pipeline must be covered by thermal insulation materials to avoid generation of exterior condensate As shown in Figure 1 1 10 Figure 1 1...

Page 55: ...n shall be considered in the design and installation of the air pipes Additionally the noise source must be far away from where people stay The air intake shall not be located above the place where us...

Page 56: ...ts at least one keeps open If circular duct is in use air shall be supplied to rooms through circular flexible insulating duct Air supply duct and return duct shall be heat insulated 2 Installation of...

Page 57: ...ange and the air return cover plate should be exchanged in their respective position The air return duct shall be connected to the air return inlet on the indoor unit with rivets and the other end of...

Page 58: ...ge due to transport is existent If any hurt is found on the surface or inside please declare to the transport company or the manufacturer in writing Correct handling route and method shall be decided...

Page 59: ...on conforms to the installation dimension diagram The space around the unit is adequate for ventilation 1 2 3 Caution for Installation Adjust the distance from the unit to the ceiling slab beforehand...

Page 60: ...ible to install using inward facing hanger bracket by not removing the brackets from the indoor unit Refer to Figure 1 2 6 Be sure to use only the specified accessories and parts for installation work...

Page 61: ...also use thermal insulation materials to wrap the blocked outlet When shipped out from factory both the Drainage outlets are blocked by rubber plugs When connecting the drainage pipe with the unit do...

Page 62: ...ully observe the joints to ensure that there is no leakage If the unit is to be installed in a new house carry out testing before decorating the ceiling 3 Matters of Attention The drain pipe outlet di...

Page 63: ...tal part of a building electrical insulation must be in compliance with relevant standards Confirm the installation position is away from storage zone of inflammable and explosive substances or otherw...

Page 64: ...nditioner far from the kitchen so that the lampblack would not be indraft by the air conditioner 1 3 3 Caution for Installation 1 Important notice To guarantee the good performance the unit must be in...

Page 65: ...d sur te a r co e D ing pen g o ilin Ce it n u or do n I s d o r w e scr ng ti s i ho n e e tw be ps Ga ICI 24 ICI 36 ICI 45 ICI 50 Figure 1 3 2 The drilling of holes in the ceiling must be done by th...

Page 66: ...r board can prevent gasket break off Use install cardboard Please refer to the install cardboard about the dimension of ceiling opening The central mark of the ceiling opening is marked on the install...

Page 67: ...MATCH AIR CONDITIONERS INSTALLATION 64 1 3 4 Dimension Data Figure 1 3 5 Model H A B C D E ICI 12 245 650 400 606 440 66 ICI 18 ICI 24 275 950 680 840 720 76 ICI 36 345 950 680 840 720 76 ICI 45 ICI 5...

Page 68: ...e pipeline shall be near the unit Purchase general purpose hard PVC pipe locally to be used as the drainage pipeline When carrying out connection place the end of the PVC pipeline into the drainage ho...

Page 69: ...er of the drain hose should be equal or bigger than the connection pipe s The diameter of polythene pipe Outer diameter 25mm Surface thickness 1 5mm Drain hose should be short and drooping gradient sh...

Page 70: ...10 Drain hose attachment Below75mm Below500mm Figure 1 3 10 Please install the drain hose according to the following process if several drain hoses join together As shown in Figure 1 3 11 T tie in jo...

Page 71: ...utlet vent Way of immiting Test hole Immiting water from the outlet vent terminal Plastic water pot The length of the pipe should be about 100mm Figure 1 3 12 1 3 7 Installation of panel 1 Set the pan...

Page 72: ...the sides of the indoor unit Be careful not to let the swing motor lead wire get caught in the sealing material Screw all 4 hexagon head screws located right beneath the latches in approximately 15mm...

Page 73: ...ft between the ceiling and the panel after screwing the screws readjust the height of the indoor unit body Refer to Figure 1 3 15 Figure 1 3 15 After fixing be sure no gap left between the ceiling and...

Page 74: ...ing principles Outdoor unit shall be installed so that the air discharged by outdoor unit will not r eturn and that sufficient space for repair shall be provided around the unit The installation site...

Page 75: ...ing special attention must be paid to the unit to prevent collision into its sheet metal parts to avoid rust Rubber cushion or spring shock absorber shall be used for outdoor unit to avoid excessive n...

Page 76: ...TALLATION 73 Unit mm Model A B C H D ULS 09 848 320 540 540 286 ULS 12 ULS 18 ULS 24 1018 412 700 572 300 ULS 36 1018 412 840 572 378 ULT 36 ULT 45 950 412 1250 572 378 ULT 50 ULT 60 2 5 Installation...

Page 77: ...e Figure 3 1 1 Align copper pipe flare with the center of screwed connector and tighten fully the nut of the flare by hand Tighten the flare nut with a torque spanner until the torque spanner makes a...

Page 78: ...and connectors should be packed with sponge and tied with plastic adhesive tapes 2 Vacuum pumping and leak detection Dismantle the bonnet of refrigerant valve and air valve Align with the center of pi...

Page 79: ...uring the pressure of the vacuum watch remains Take out the valve cover of the gas valve together with the liquid valve Loosing the cord of liquid valve until the pressure rise to 0 bar Dismantle the...

Page 80: ...break Do not wrap the protective tape too tight otherwise the efficiency of thermal insulation may be decreased Ensure that the condensate drainage flexible tube is separate from the bundled pipes Af...

Page 81: ...6m If heights of indoor unit and outdoor unit are different pipes should be laid out with reference to Figure 3 2 1 Refrigerant pipe thin Air pipe large Figure 3 2 1 3 3 Specification of Connection P...

Page 82: ...the refrigerant pipe will finish Installation should be conducted by National Wiring Regulation The rated voltage and exclusive power supply must be adopted for the air conditioners The power cable sh...

Page 83: ...t be large enough The section area of fitting line in the room shall be larger than 2 5mm2 The lines must be installed by professional personnel An electricity leakage protection switch and an air swi...

Page 84: ...ctions inside the air conditioning unit The manufacturer shall not be liable for any loss or abnormal operation arising from wrong line connections 4 1 3 Power Cable Connection 1 Air conditioning unit...

Page 85: ...ring Plug the signal line of the wire controller onto the 4 bit pin socket at the circuit board of the indoor unit Use cable fastener to bundle and fix the signal cable of the wire controller 4 1 5Co...

Page 86: ...U MATCH AIR CONDITIONERS INSTALLATION 83 4 2 Electric Wiring Design 4 2 1 ULS 09 IDI 09 ULS 12 IDI 12 ULS 18 IDI 18 ULS 24 IDI 24 ULS 36 IDI 36 ULT 36 IDI 36 ULT 45 IDI 45 ULT 50 IDI 50 ULT 60 IDI 60...

Page 87: ...U MATCH AIR CONDITIONERS INSTALLATION 84 4 2 2 ULS 09 IKI 09 ULS 12 IKI 12 ULS 18 IKI 18I ULS 24 IKI 24 ULS 36 IKI 36 ULT 36 IKI 36 ULT 45 IKI 45 ULT 50 IKI 50I ULT 60 IKI 60...

Page 88: ...U MATCH AIR CONDITIONERS INSTALLATION 85 4 2 3 ULS 09 ICI 09 ULS 12 ICI 12 ULS 18 ICI 8 ULS 24 ICI 24 ULS 36 ICI 36 ULT 36 ICI 36 ULT 45 ICI 45 ULT 50 ICI 50 ULT 60 ICI 60...

Page 89: ...4 0 ULS 36 220 240 1 50 40 6 0 6 0 ULT 36 380 415 3 50 16 2 5 2 5 ULT 45 380 415 3 50 20 2 5 2 5 ULT 50 380 415 3 50 20 2 5 2 5 ULT 60 380 415 3 50 20 2 5 2 5 4 3 2 Indoor Unit z Duct Type Model Powe...

Page 90: ...1 50 6 1 0 1 0 IKI 24 220 240 1 50 6 1 0 1 0 IKI 36 220 240 1 50 6 1 0 1 0 IKI 45 220 240 1 50 6 1 0 1 0 IKI 50 220 240 1 50 6 1 0 1 0 z Cassette Type Model Power Supply V Ph Hz Capability of Air Swit...

Page 91: ...INVENTOR COMMERCIAL AIR CONDITION U MATCH AIR CONDITIONERS 88 MAINTENANCE...

Page 92: ...mpressor Low Pressure Protection Low voltage switch When the unit is started or at standby detection will begin 3 minutes after the compressor is started up and detected breakdown of the low voltage s...

Page 93: ...oad protection is detected for continuous 3 seconds relevant compressor and fan shall be shut off immediately and a fault code E8 is displayed and at the same time the buzzer gives out an alarm Push t...

Page 94: ...itself and display fault elimination after the fault is removed Under air supply mode only the fault is displayed and the indoor unit is running normally The fault display disappears when the fault i...

Page 95: ...ved the system will restore by itself and clear the fault code F5 Failure of Indoor Room Sensor at Wire Controller Line controller Open circuit or short circuit of line controller thermal bulb is dete...

Page 96: ...Observe the status of the complete device and do not observe the partial z It is advised to start from the simple operation during analyzing judging and confirming malfunction reason then conduct the...

Page 97: ...U MATCH AIR CONDITIONERS MAINTENANCE 94 Malfunction display E1 Compressor High Pressure Protection...

Page 98: ...U MATCH AIR CONDITIONERS MAINTENANCE 95 Malfunction display E3 Compressor Low Pressure Protection...

Page 99: ...solenoid valve works properly or the capillary is clogged check if the liquid bypass plug is connected when the air exhaust temperature of the compressor exceeds 115 Check if the air exhaust temperat...

Page 100: ...s ok if the high pressure of the assembly is ok if the current value is higher than the set value of the protector if the compressor cable is properly connected Yes Yes Yes Yes replace over current pr...

Page 101: ...U MATCH AIR CONDITIONERS MAINTENANCE 98 Malfunction display E6 Communications Failure...

Page 102: ...jammed or if water flows smoothly check if the water drainage pump works check if water overflows Yes Yes Yes check if the voltage of liquid level switch end is ok replace the main board of the indoor...

Page 103: ...ensor Failure of Condenser Temp Sensor Remove the temperature sensor to check if the resistance value is ok Check if the plug of the temperature sensor is correctly connected with socket on the main b...

Page 104: ...the main board of the indoor unit No No replace the temperature sensor check the directions of the plug and the socket Yes Malfunction display F4 Failure of Exhaust Temp Sensor Failure of Exhaust Temp...

Page 105: ...oom Sensor at Wire Controller Remove the temperature sensor to check if the resistance value is ok Check if the plug of the temperature sensor is correctly connected with socket on the main board Yes...

Page 106: ...U MATCH AIR CONDITIONERS MAINTENANCE 103 3 WIRING DIADRAM 3 1 Wiring Diagram Outdoor Units 1 ULS 09 WITH FUNCTION OF LOW TEMP COOLING WITHOUT FUNCTION OF LOW TEMP COOLING...

Page 107: ...U MATCH AIR CONDITIONERS MAINTENANCE 104 2 ULS 12 WITH FUNCTION OF LOW TEMP COOLING WITHOUT FUNCTION OF LOW TEMP COOLING...

Page 108: ...U MATCH AIR CONDITIONERS MAINTENANCE 105 3 ULS 18 WITH FUNCTION OF LOW TEMP COOLING WITHOUT FUNCTION OF LOW TEMP COOLING...

Page 109: ...U MATCH AIR CONDITIONERS MAINTENANCE 106 4 ULS 24 WITH FUNCTION OF LOW TEMP COOLING WITHOUT FUNCTION OF LOW TEMP COOLING...

Page 110: ...U MATCH AIR CONDITIONERS MAINTENANCE 107 5 ULS 36 WITH FUNCTION OF LOW TEMP COOLING J WITHOUT FUNCTION OF LOW TEMP COOLING J...

Page 111: ...U MATCH AIR CONDITIONERS MAINTENANCE 108 6 ULT36 WITH FUNCTION OF LOW TEMP COOLING WITHOUT FUNCTION OF LOW TEMP COOLING...

Page 112: ...U MATCH AIR CONDITIONERS MAINTENANCE 109 7 ULT 45 WITH FUNCTION OF LOW TEMP COOLING WITHOUT FUNCTION OF LOW TEMP COOLING...

Page 113: ...U MATCH AIR CONDITIONERS MAINTENANCE 110 8 ULT 50 ULT 60 WITH FUNCTION OF LOW TEMP COOLING WITHOUT FUNCTION OF LOW TEMP COOLING...

Page 114: ...ring Diagram Indoor units 3 2 1 Duct Type Model IDI 09 IDI 12 IDI 18 IDI 24 IDI 36 IDI 45 IDI 50 IDI 60 3 2 2 Ceiling Type Model ICI 12 ICI 18 ICI 24 ICI 36 ICI 45 ICI 50 3 2 3 Cassettle Type Model IK...

Page 115: ...U MATCH AIR CONDITIONERS MAINTENANCE 112...

Page 116: ...crewdriver Remove coping from the unit 2 Disassembly of screen Loose fixing screw surronding the screen with screwdriver Remove screen from the unit 3 Disassembly of panel grating Disassemble the scre...

Page 117: ...driver 7 Assembly of new panel external casing Put new panel external casing into right position on the unit Screw down the surrounding fixing screw with screwdriver Some types 24k and above need to b...

Page 118: ...U MATCH AIR CONDITIONERS MAINTENANCE 115 10 Assembly of new coping Put the new coping into the right position on the unit Screw down the surrounding fixing screw with screwdriver...

Page 119: ...mark wire color with the corresponding joint number in case of wrong connection 2 Disassembly of fixing nuts on compressor Disassemble the fixing nut on the compressor with wrench 3 Disassembly of suc...

Page 120: ...uction and discharge pipe with gas welding before removing compressor rovide nitrogen protection during gas welding and the nitrogen pressure should be 0 5 0 1kgf cm2 relative pressure Please pay atte...

Page 121: ...nit nameplate Disassembly and Assembly of 4 way valve Remark Make sure there isn t any refrigerant in pipe system and the power supply is cut off before removal of the 4 way valve Step Illustration Ha...

Page 122: ...accurately the new 4 way valve Connect new 4 way valve with pipe line Wrap the valve with wet cloth when welding 4 way valve in case sliding block inside the valve should be burnt and water flow into...

Page 123: ...before removal of the capillary Step Illustration Handling Instruction 1 Disassembly of capillary Weld two welding points connecting capillary with other pipe lines Remove capillary 2 Assembly of new...

Page 124: ...ion 1 Disassembly of Fixing screw for liquid reservoir Disassemble two fixing screws for reservoir pothook with screwdriver 2 Disassembly of Vapor liquid separator Weld open two pipes connecting vapor...

Page 125: ...mble outer parts of unit coping panel external casing screen etc according to the discription above in order to disassemble axial flow fan and motor conveniently 3 Disassembly of fan motor Hold the fa...

Page 126: ...rew to fasten the motor Connect the motor wire through the hole with the corresponding position inside the electrical parts box and fasten the connecting plug Close the cover and screw down the screw...

Page 127: ...ply wires for components like motor etc Disassemble electrical components like mainboard inside the electrical parts box connected with outer componets power loaded wires for componets like compressor...

Page 128: ...parts box modules and screw down with screwdriver 6 Connection of power supply wires of each component Re connect the connection wires of each components with right position according to the order of...

Page 129: ...s surrounding the coping with screwdriver Remove coping from the unit 2 Disassembly of screen Loose the fixing screws surrounding the screen with screwdriver Remove screen from the unit 2 Disassembly...

Page 130: ...assembly of back panel Loose the fixing screws surrounding the back panel with screwdriver Remove the back panel from the unit 6 Assembly of new back panel Position accurately the new back panel Screw...

Page 131: ...h screwdriver 9 Assembly of new front panel Position accurately the new front panel Screw down the surrouding fixing screws with screwdriver 10 Assembly of new screen Position accurately the new scree...

Page 132: ...orresponding joint number in case of wrong connection 2 Disassembly of fixing nuts on compressor Disassemble fixing nuts on compressor with wrench 3 Disassembly of suction and discharge pipe Heat the...

Page 133: ...n compressor during assembly 6 Connection of suction and discharge pipe with pipeline system Connect compressor with other pipeline using gas welding Provide nitrogen protection during gas welding and...

Page 134: ...he order of disassembly Screw down the fixing screw for the power supply wires with screwdriver 8 Vacuum pumping and cooling medium filling through valve Pump the system vacuum through valve before re...

Page 135: ...id valve Cut off power supply and reclaim cooling medium properly Disassemble the assembling screw for solenoid valve Disassemble solenoid valve with wrench 3 Disassembly of 4 way valve Heat connectio...

Page 136: ...e burnt and water flow into the pipe line Welding with nitrogen and the nitrogen pressure shall be 0 5 0 1kgf c relative pressure 6 Assembly of solenoid valve Assemble solenoid valve onto the new 4 wa...

Page 137: ...pillary Step Illustration Handling Instruction 1 Disassembly of Capillary Assemble solenoid valve Weld two welding points connecting capillary with other pipe lines Remove capillary 2 Assembly of New...

Page 138: ...r Disassemble the fixing screws on the pothooks and retaining clips of the reservoir with screwdriver 2 Removal of retaining clips for liquid reservoir Remove the retaining clips for liquid reservoir...

Page 139: ...U MATCH AIR CONDITIONERS MAINTENANCE 136 5 Assembly of retaining clips for liquid reservoir Re assemble the retaining clips for liquid reservoir and screw down the fixing screw...

Page 140: ...flow fan Hold the fans without movement Disassemle fixing nuts for the fans with wrench Take down and remove fans from motor 3 Disassembly of fan motor Loose the connecting plug for motor wires and p...

Page 141: ...ug 5 Assembly of new axial flow fan Position reliably the new fan on the motor axis Hold the fans without movement Screw down fixing screws for fan with wrench 6 Assembly of outer parts Re assemble th...

Page 142: ...isassemble electrical components like mainboard inside the electrical parts box connected with outer componets power loaded wires for componets like compressor motor Attention Record right position fo...

Page 143: ...tion accurately the new electrical parts box Re fasten the electrical parts box modules and screw down with screwdriver 5 Connection of power supply wires of each component Re connect the connection w...

Page 144: ...ens for back return air As shown in the graph the arrow represents filter screens for back return air 2 Disassembly of side panel for back return air Disassemble the fastening screws for back return a...

Page 145: ...away the water containing plate As shown in the graph the arrow represents water containing plate Disassembly of fans and motors Remark Make sure the power supply is cut off before disassembling and...

Page 146: ...ents inner hexagonal and the position of fastening screws under its influence and arrow represents centrifugal fan 3 Disassembly of motor support module Disassemble the fastening screws for motor supp...

Page 147: ...ht panel 2 Disassembly of left panel Disassemle the fastening screws on the left panel and remove left panel as is shown in the graph arrow represents left panel 3 Disassembly of evaporator Disassemle...

Page 148: ...r screen for return air Disassembly of electrical parts box cover panel and electrical parts box Remark Make sure the power supply is cut off before disassembling and protect all the parts during disa...

Page 149: ...ge pump As is shown in the graph the circle represents the position of screws 3 Removal of condensed water drainage pump Removed condensed water drainage pump is shown in the graph Disassembly of wate...

Page 150: ...otect the copper tube and aluminum fin If the time for disassembly shall be long put the copper tube under pressurized condition Step Illustration Handling Instruction 1 Disassembly of fixing screws o...

Page 151: ...isassembling and protect all the parts during disassembly Step Illustration Handling Instruction 1 Disassembly of fastening screws between cover plates Disassemble the fastening screws between right a...

Page 152: ...wo clips for each grating Disassembly of right and left finishing plates Remark Make sure the power supply is cut off before disassembling and protect all the parts during disassembly Do not scratch t...

Page 153: ...disassembling and protect all the parts during disassembly especially the components inside the box in case of water and hit Step Illustration Handling Instruction 1 Disassembly of electrical parts bo...

Page 154: ...sure the power supply is cut off before disassembling and protect all the parts during disassembly Step Illustration Handling Instruction Disassemble of water containing plate modules Disassemble 4 s...

Page 155: ...f fixing plate modules for air sweeping fans Remark Make sure the power supply is cut off before disassembling and protect all the parts during disassembly Step Illustration Handling Instruction Disas...

Page 156: ...cases with hands and pull upward to remove the front scroll case Then remove the screws on the back scroll case Lift the buckle of back scroll case with hands and remove it As is shown in the graph ci...

Page 157: ...ining clio for motor Disassembly of right and left fixing plates Remark Make sure the power supply is cut off before disassembling and protect all the parts during disassembly Step Illustration Handli...

Page 158: ...ction 1 Disassembly of grating Push the right and left clips on the panel to the middle and pull upward at the same time Pull backward when at 45 The position of clips is shown by the arrow in the gra...

Page 159: ...Handling Instruction 1 Disassembly of angular shell Pull angular shell outside with hands and remove it 2 Disassembly of screws Disassemble the screws with screwdriver and loose the fixing clip on th...

Page 160: ...nal wires inside the electrical parts box connecting with the electrical componets under the water containing plate 2 Disassembly of water containing plate Disassemble the screws on the four corners a...

Page 161: ...isassembly of fan Disassemble the nuts with wrench and pull upper side to remove the fan The position of washer nuts is shown by the arrow in the graph Disassembly of motor Remark Cut off the power su...

Page 162: ...cting plate in good condition and the power supply is cut off Step Illustration Handling Instruction 1 Disassembly of screws Remove part of the insulating sponge on four corners on the panel and remov...

Page 163: ......

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