INVENTOR u-match on/off Service Manual
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INVENTOR u-match on/off Service Manual

INVENTOR u-match on/off Service Manual

Air conditioning systems
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  • Page 2: Table Of Contents

    CONTENTS PRODUCT ............................2 1 MODELS LIST ........................2 1.1 Outdoor Unit ....................... 2 1.2 Indoor Unit ........................3 2 NOMENCLATURE ......................4 3 FUNCTION .......................... 4 4 PRODUCT DATA ........................ 5 4.1 Product Data at Rated Condition ................. 6 4.2 Operation Range ......................
  • Page 3 2.2 Installation Site ......................71 2.3 Caution for Installation ..................... 71 2.4 Dimension Data ......................72 2.5 Installation Clearance Data ..................73 3 REFRIGERATION PIPING WORK ................74 3.1 Refrigeration Piping Work Procedures ..............74 3.2 Caution in Connecting Pipes ..................77 3.3 Specification of Connection Pipe ................
  • Page 4 INVENTOR COMMERCIAL AIR CONDITION U-MATCH AIR CONDITIONERS PRODUCT...

  • Page 5: Product

    U-MATCH AIR CONDITIONERS PRODUCT PRODUCT 1 MODELS LIST 1.1 Outdoor Unit Nominal Capacity Power Model Cooling/Heating Ref. Supply (Btu/h) ULS-09 8870/9720 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...

  • Page 6: Indoor Unit

    U-MATCH AIR CONDITIONERS PRODUCT 1.2 Indoor Unit Nominal Capacity Power Type Model Cooling/Heating Ref. Supply (Btu/h) IDI-09 8870/9720 IDI-12 11940/12283 IDI-18 17060/19448 220-240 IDI-24 23880/27300 Duct R410a Type IDI-36 33437/37500 50Hz IDI-45 42000/48000 IDI-50 48000/53000 IDI-60 60000/63120 IKI-09 8870/9720 IKI-12 11940/12283 IKI-18 17060/19448...

  • Page 7: Nomenclature

    U-MATCH AIR CONDITIONERS PRODUCT 2 NOMENCLATURE Description Options INVENTOR U=Match Outdoor Unit F=Duct Type Unit Type K=Cassette Type T= Ceiling Type C=Cool Only Product Type H=Heat Pump without Aux Electric Heaters N=Constant Frequency Power Supply Code D=DC Inverter A=AC Inverter...

  • Page 8: Product Data

    U-MATCH AIR CONDITIONERS PRODUCT Function Description when unit restart after power off, it will run on former status, the mode and Memory function parameter are kept the same wireless controller and remote controller can be opted, and the maximum Remote control function control distance of remote controller is 10m.

  • Page 9: Product Data At Rated Condition

    U-MATCH AIR CONDITIONERS PRODUCT 4.1 Product Data at Rated Condition 4.1.1 Duct Type Indoor unit IDI-09 IDI-12 IDI-18 Model Outdoor unit ULS-09 ULS-12 ULS-18 Cooling Btu/h 8870 11940 17060 Nominal Capacity 2.85 Heating Btu/h 9720 12283 19448 Cooling 1.35 Power Input Heating EER/COP...
  • Page 10 U-MATCH AIR CONDITIONERS PRODUCT Max. Height Difference Continued Model Indoor unit IDI-24 IDI-36 IDI-36...
  • Page 11 U-MATCH AIR CONDITIONERS PRODUCT Outdoor unit ULS-24 ULS-36 ULS-36 Cooling Btu/h 23880 33437 36000 Nominal Capacity Heating Btu/h 27300 37500 37500 Cooling 2.66 Power Input Heating 2.51 EER/COP 2.63/3.19 2.5/3.14 2.5/3.14 IDI-24 IDI-36 IDI-36 Indoor Unit Power Supply 220-240V~/1 Ph/50HZ Heat Exchange Cross Fin Coil Type...
  • Page 12 U-MATCH AIR CONDITIONERS PRODUCT Max. Height Difference Continued Indoor unit IDI-45 IDI-50 IDI-60 Model Outdoor unit ULT-45 ULS-48N ULS-60 Cooling Btu/h 42000 48000 60000 Nominal Capacity 15.5 18.5 Heating Btu/h 48000 53000 63120 Cooling Power Input Heating EER/COP 2.26/2.86 2.41/2.87 2.46/3.27 IDI-45 IDI-50...
  • Page 13 U-MATCH AIR CONDITIONERS PRODUCT Max. Length Max. Height Difference Note Nominal capacities are based on the follow conditions. Indoor Outdoor Cooling DB 27 (80.6 ) DB 35 (95 ) WB 19 (66.2 ) WB 24 (75.2 ) Heating DB 20 (68 ) DB 7 (44.6 ) WB -- (-- ) WB 6 (42.8 )
  • Page 14 U-MATCH AIR CONDITIONERS PRODUCT 4.1.2 Ceiling Type Indoor unit IKI-09 IKI-12 IKI-18 Models Outdoor unit ULS-09 ULS-12 ULS-18 Cooling Nominal Btu/h 8870 11940 17060 Capacity 2.85 Heating Btu/h 9720 12280 19448 Power Cooling 1.17 2.03 Input Heating 2.07 EER/ COP 2.6/2.85 2.99/3.55 2.46/2.8...
  • Page 15 U-MATCH AIR CONDITIONERS PRODUCT Max. Height Difference Continued Indoor unit IKI-24 IKI-36 IKI-36 Models Outdoor unit ULS-24 ULT-36 ULS-24 Cooling Btu/h 23880 33440 36000 Nominal Capacity 10.78 Heating Btu/h 27300 36780 37500 Cooling 2.61 Power Input Heating 2.59 EER/ COP 2.68/3.09 2.78/3.33 2.78/3.33...
  • Page 16 U-MATCH AIR CONDITIONERS PRODUCT Weight Net/Gross 59/64 90/100 90/100 Liquid 9.52 12.7 12.7 15.8 19.05 19.05 Piping Max. Length Connections Max. Height Difference Continued Indoor unit IKI-45 IKI-50 Models Outdoor unit ULT-45 ULT-50 Cooling Nominal Btu/h 42000 48000 Capacity 15.5 Heating Btu/h 48000...
  • Page 17 U-MATCH AIR CONDITIONERS PRODUCT Dimensions (W×H×D) 950×1250×412/ 950×1250×412/ (Outline/Package) 1110 ×1385× 450 1110 ×1385× 450 Weight Net/Gross 112/123 Liquid 12.7 Piping 19.05 Connections Max. Length Max. Height Difference Note Nominal capacities are based on the follow conditions. Indoor Outdoor DB 27 (80.6 ) DB 35 (95 ) Cooling WB 19 (66.2 )
  • Page 18 U-MATCH AIR CONDITIONERS PRODUCT 4.1.3 Cassette Type ICI-24 Indoor unit ICI-12 ICI-18 Models ULS-24 Outdoor unit ULS-12 ULS-18 Cooling 23200 Btu/h 11940 17060 Nominal Capacity Heating 25590 Btu/h 12280 19450 2.62 Cooling 1.17 Power Input Heating 2.67/3.2 EER/COP 2.8/3.2 2.5/3.05 ICI-24 ICI-12 ICI-18...
  • Page 19 U-MATCH AIR CONDITIONERS PRODUCT 1018×700×412/ Dimensions (W×H×D) 848×540×320/ 848×540×320/ 1100×755×450 (Outline/Package) 878×590×360 878×590×360 59/64 Weight Net/Gross 32/37 40/45 9.52 Liquid 6.35 6.35 15.8 12.7 12.7 Piping Connections Max. Length Max. Height Difference...
  • Page 20 U-MATCH AIR CONDITIONERS PRODUCT Continued Indoor unit ICI-36 ICI-36 Models Outdoor unit ULT-36 ULS-36 Cooling Btu/h 36000 36000 Nominal Capacity Heating Btu/h 37500 37500 Cooling Power Input Heating EER/COP 2.78/3.55 2.78/3.33 Indoor Unit ICI-36 ICI-36 Power Supply 220-240V~/1 Ph/50HZ Heat Exchange Cross Fin Coil Type Centrifugal fan...
  • Page 21 U-MATCH AIR CONDITIONERS PRODUCT Continued Indoor unit ICI-45 ICI-50 Models Outdoor unit ULT-45 ULT-50 Cooling Btu/h 42000 48000 Nominal Capacity 15.5 Heating Btu/h 48000 53000 Cooling Power Input Heating EER/COP 2.5/2.8 2.3/2.67 Indoor Unit ICI-45 ICI-50 Power Supply 220-240V~/1 Ph/50HZ Heat Exchange Cross Fin Coil Type...

  • Page 22: Operation Range

    U-MATCH AIR CONDITIONERS PRODUCT Note Nominal capacities are based on the follow conditions. Indoor Outdoor Cooling DB 27 (80.6 ) DB 35 (95 ) WB 19 (66.2 ) WB 24 (75.2 ) Heating DB 20 (68 ) DB 7 (44.6 ) WB -- (-- ) WB 6 (42.8 ) Piping Length...

  • Page 23: Electrical Data

    U-MATCH AIR CONDITIONERS PRODUCT 4.3 Electrical Data Compressor Fan Motor Max. Fuse Min. Supply Breaker Size Disconnect Size Power Condenser Qty. LRA RLA Blower (Indoor/Outdoor) (Indoor/Outoor) Model Supply Fan Motors Motor V,Ph,Hz Each Each Amperes Amperes Each Each IDI-09 0.18 6/10 1/5.7 ULS-09...

  • Page 24: Piping Diagram

    U-MATCH AIR CONDITIONERS PRODUCT 5 PIPING DIAGRAM...
  • Page 25 INVENTOR COMMERCIAL AIR CONDITION U-MATCH AIR CONDITIONERS CONTROL...

  • Page 26: Control

    U-MATCH AIR CONDITIONERS CONTROL CONTROL 1 OPERATION FLOWCHART 1.1 Cooling/Dry Operation...

  • Page 27: Heating Operation

    U-MATCH AIR CONDITIONERS CONTROL 1.2 Heating Operation...

  • Page 28: Main Logic

    U-MATCH AIR CONDITIONERS CONTROL 2 MAIN LOGIC 2.1 Cooling Cooling mode Manual shutdown Starting up Compressor Outdoor fan H grade Operation at a set speed Indoor fan 4-way valve Time When T •T +1 , the unit begins cooling operation and the compressor and the outdoor amb.

  • Page 29: Dry Mode

    U-MATCH AIR CONDITIONERS CONTROL 2.2 Dry Mode Dry Mode Starting up Manual shutdown Compressor Outdoor fan H grade Operation at a low speed Indoor fan 4-way valve Time When T •T +2 , the unit begins cooling operation and the compressor and the outdoor fan amb.

  • Page 30: Heating Mode

    U-MATCH AIR CONDITIONERS CONTROL 2.3 Heating Mode Heating Mode Starting up Manual shutdown Compressor Outdoor fan Operation at a Operation in blowing afterheat state set speed Indoor fan Operation under normal conditions Auxiliary heating 4-way valve Time Cold blast prevention When T ”T -1 , the unit begins heating operation and the compressor and the outdoor fan...

  • Page 31: Defrosting

    U-MATCH AIR CONDITIONERS CONTROL 2.4 Defrosting Defrosting Withdraw the Enter the defrosting mode defrosting mode Compressor Outdoor fan Operation at a set speed Indoor fan Operation under normal conditions Auxiliary heating 4-way valve Time Cold blast prevention Defrosting start conditions: after the heating operation runs for an accumulated period of 44 minutes and the compressor continues to operate for 4 hours and 50 seconds, and a one-minute duration of T ”-5 is detected, the unit begins defrosting.

  • Page 32: Fan Mode

    U-MATCH AIR CONDITIONERS CONTROL 2.5 Fan Mode Fan Mode Starting up Manual shutdown Compressor Outdoor fan Operation at a H grade set speed Indoor fan 4-way valve Time The indoor fan runs at a fast speed for 5s and then runs at a set speed.

  • Page 33: Wireless Remote Controller

    U-MATCH AIR CONDITIONERS CONTROL 3 WIRELESS REMOTE CONTROLLER 3.1 Operation View (1) Controller-Duct Type Name Function description ON/OFF button Press the button to set start or close unit Press the button to select the mode, Mode button cooling , heating , fan or auto mode. Increase/Decrease button Press this button to increase/decrase the setup temp LCD Screen...
  • Page 34 U-MATCH AIR CONDITIONERS CONTROL (2)Controller-Cassette Type and Ceiling Type Name Function description Swing button Press this button to set swing function Increase/Decrease button Press this button to increase/decrase the setup temp Press the button to select the mode, Mode button cooling , heating , fan or auto mode.

  • Page 35: Display View

    U-MATCH AIR CONDITIONERS CONTROL 3.2 Display View Display Function description auto fan speed, low fan speed, Fan Speed middle fan speed high fan speed Auto running Cool running Run Mode Dry Running Fan Running Heat running (Heat and Cool unit only) Setup temp Temperature value of setting Swing function...

  • Page 36: Wired Remote Controller

    U-MATCH AIR CONDITIONERS CONTROL 4 WIRED REMOTE CONTROLLER 4.1 Operation View 1 Wired Controller-Duct Type MODE SLEEP TIMER ON/OFF 2 Wired Controller-Cassette Type and Ceiling Type MODE SWING TIMER ON/OFF...
  • Page 37 U-MATCH AIR CONDITIONERS CONTROL Name Function description Press the button to select the mode, MODE button cooling , heating , fan or auto mode. Increasing button Press this button to increase the setup temp. Decreasing button Press this button to decrase the setup temp. Fan speed button Press this button to set fan speed Sleep/SWING button...

  • Page 38: Display View

    U-MATCH AIR CONDITIONERS CONTROL 4.2 Display View MODE SWING TIMER ON/OFF Name Function description Timer value Display time value Timer on/off display timer on :display timer off auto fan speed low fan speed Fan speed display middle fan speed high fan speed Set temp display Display set temp value its range is 16~30 auto mode...

  • Page 39: Dimension

    U-MATCH AIR CONDITIONERS CONTROL 4.3 Dimension 4.4 Installation First select an installation position. According to the size of the communication line of the wire controller, leave a recess or a embedded wire hole to bury the communication line. If the communication line between the wire controller (85×85×20) and the indoor unit is surface-mounted, use 1# PVC pipe and make matching recess in the wall (refer to Figure 6);...
  • Page 40 U-MATCH AIR CONDITIONERS CONTROL Fig6 Surface Mounting of Cable Fig7 Concealed mounting of Cable Fig 8 Schematic Diagram of Installation Name Wall Surface Bottom Plate of Wire Controller Screw M4X10 Panel of Wire Controller Caution: 1. The communication distance between the main board and the wire controller can be as far as 20m (The standard distance is 8m).

  • Page 41: Centralized Controller

    U-MATCH AIR CONDITIONERS CONTROL 5 CENTRALIZED CONTROLLER 5.1 Centralized Controller-not with week timer 5.1.1 Function Centralized Controller-not with week timer only control on-off function of every units. Up to 16 sets of units can be controlled simultaneously by the centralized controller-not with week timer. 5.1.2 Operation View Name Function description...

  • Page 42: Centralized Controller-Week Timer

    U-MATCH AIR CONDITIONERS CONTROL 5.1.4 Dimensions 5.2 Centralized Controller-week timer 5.2.1 Function Centralized Control and Week Timer Functions: The centralized controller and the weekly timer are integrated in the same wire controller. The system has both the centralized control and the week timing functions.
  • Page 43 U-MATCH AIR CONDITIONERS CONTROL 5.2.2 Operation View Name Function description ENTER button when “enter” is pressed the setting is validate. Press “ ” and selected the unit or a certain day in one week or specific value. Increasing button Press “ ” can set week part of time. Press “...
  • Page 44 U-MATCH AIR CONDITIONERS CONTROL 5.2.3 Display View Name Function description unit’s no. displays Display unit’s numbers Group control displays when group controls, it will display Single control displays when single unit controls, it will display Timer time in week displays Display time in week Timer displays Display time...
  • Page 45 U-MATCH AIR CONDITIONERS CONTROL 5.2.4 Dimensions...

  • Page 46: Field Setting

    U-MATCH AIR CONDITIONERS CONTROL 5.3 Field Setting The centralized controller displays code of various units: unit code is determined by the position (on the back of the manual operator) of the toggle switch of the manual operator on each flue pipe air conditioner. Toggling values are corresponding to the 4-1 feet from the right to left of the toggle switch.

  • Page 47: Control Wiring Design

    U-MATCH AIR CONDITIONERS CONTROL 5.4 Control Wiring Design Week timer Wired remote controller Wired remote controlle 16 Units in Max Telephone wire box Telephone wire box Telephone wire box Power supply Twisted-wire with crystal joint Longest distance 1200m AC-LAC-N Corresponding relation between code switch and sequence of unit (Note:Putting code switch to ON means 0.) 0000 0010...
  • Page 48 INVENTOR COMMERCIAL AIR CONDITION U-MATCH AIR CONDITIONERS INSTALLATION...

  • Page 49: Installation

    U-MATCH AIR CONDITIONERS INSTALLATION INSTALLATION 1 INDOOR UNIT INSTALLATION 1.1 Installation of Duct Type 1.1.1 Before Installation ‹ When the unit arrives, please check if any damage 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. ‹...
  • Page 50 U-MATCH AIR CONDITIONERS INSTALLATION Figure 1-1-1 Figure 1-1-2 Figure 1-1-3 Install the hanger onto the indoor unit as Figure 1-1-2 and Figure 1-1-3 shows. Install the indoor unit at the ceiling as Figure 1-1-5shows. Screw Hanger Air Intake Air Supply Enlargement Figure 1-1-5 Precautions for unfavorable installation:...
  • Page 51 U-MATCH AIR CONDITIONERS INSTALLATION After installation of indoor unit, level detection for the complete unit must be done to ensure levelness, as shown in Fig. 1-1-6. Level Instrument Air Intake Air Supply Condensate Drainpipe Enlarged View As the inside of the unit is in the negative Condensate Drainpipe pressure status, it is required to set up a backwater elbow.
  • Page 52 U-MATCH AIR CONDITIONERS INSTALLATION Unit mm Model IDI-09 IDI-12 IDI-18 1012 IDI-24 1101 1159 1207 1002 IDI-36 IDI-45 1011 1115 1251 IDI-50 IDI-60 1015 1115 1251 List of Accessories for Installation of Indoor Unit Designation and shape Description Operation and installation instructions Heat insulating material for large For air pipe connector of indoor unit connector...
  • Page 53 U-MATCH AIR CONDITIONERS INSTALLATION 1.1.5 Installation Clearance Data Nut with washer Nut spring washer only for GFH24 and above models Indoor Unit Figure 1-1-8 1.1.6 Drain Piping Work Installation of Drainage Pipeline ‹ A drainage outlet is located at both the left and right sides of the indoor unit. After selecting one drainage outlet, the other outlet shall be blocked by rubber plug.
  • Page 54 U-MATCH AIR CONDITIONERS INSTALLATION Sponge(attachment) Clamp Clamp(attachment) Sponge (gray) Drain hose Below 4mm Figure 1-1-9 Testing of Drainage System ‹ After the electrical installation is completed, carry out the testing of the drainage system. ‹ During the test, check if the water correctly flows through the pipelines. Carefully observe the joints to ensure that there is no leakage.
  • Page 55 U-MATCH AIR CONDITIONERS INSTALLATION iron supports. The joints of the pipes must be sealed by glue so as to avoid leakage. ‹ The design and installation of air pipes must be in conformity with the relevant state engineering criteria. ‹ The edge of the air intake pipe must be at least 150mm away from the wall.
  • Page 56 U-MATCH AIR CONDITIONERS INSTALLATION Figure 1-1-12 Designation Designation Hanger rod Transition duct Air return duct Air supply duct Canvas duct Air diffuser Return air shutter Connector of air diffuser Air outlet Note: The above two diagrams show how back return air inlets are installed. Lower return air inlets shall be used according to actual installation demands.
  • Page 57 U-MATCH AIR CONDITIONERS INSTALLATION Round air duct Figure 1-1-13 Installation of air return duct ‹ Square flanges at ex-factory shall be defaulted to installation at the back and the air return cover plate shall be mounted at the lower, as shown in figure 1-1-14. Figure 1-1-14 ‹...

  • Page 58: Installation Of Ceiling Type

    U-MATCH AIR CONDITIONERS INSTALLATION Designation Designation Air return window Indoor unit canvas duct Air supply duct Air return duct Check grating Figure 1-1-15 Installation of circular air supply outlet Figure 1-1-16 1.2 Installation of Ceiling Type 1.2.1 Before Installation ‹ When the unit arrives, please check if any damage due to transport is existent.
  • Page 59 U-MATCH AIR CONDITIONERS INSTALLATION otherwise leakage of inflammable and explosive substances may lead to explosion or a fire. 1.2.2 Installation Site ‹ Such a place where cool air can be distributed throughout the room. ‹ Such a place where condensation water is easily drained out. ‹...
  • Page 60 U-MATCH AIR CONDITIONERS INSTALLATION Figure 1-2-3 Hanger bracket Figure 1-2-4 In case of hanging: It is possible 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 U-MATCH AIR CONDITIONERS INSTALLATION IKI-12 IKI-18 1300 1202 IKI-24 IKI-36 IKI-45 1590 1491 IKI-50 1.2.5 Installation Clearance Data Figure 1-2-8 1.2.6 Drain Piping Work Installation of Drainage Pipeline ‹ A Drainage outlet is located at both the left and right sides of the indoor unit. After selecting one Drainage outlet, the other outlet shall be blocked by rubber plug.

  • Page 62: Drain Hose

    U-MATCH AIR CONDITIONERS INSTALLATION ‹ When the laid drainage pipe is used for multiple units, the common pipe shall be about 100mm lower than the drainage outlet of each set of unit. A pipe with thicker wall shall be used for such purpose. Sponge(attachment) Clamp Clamp(attachment)

  • Page 63: Installation Of Cassette Type

    U-MATCH AIR CONDITIONERS INSTALLATION the air outlet for confirming drainage. (Refer to Figure 1-2-12) Figure 1-2-11 Figure 1-2-12 1.3 Installation of Cassette Type 1.3.1 Before Installation ‹ When the unit arrives, please check if any damage 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.
  • Page 64 INVENTOR would not deal with on time by the inconvenience of the business contact. Dimension of ceiling opening and location of the hoisting screw (M10)
  • Page 65 U-MATCH AIR CONDITIONERS INSTALLATION Figure 1-3-1 i st ng s i t s ndoo ng openi ICI-24/ICI-36/ICI-45 /ICI-50 Figure 1-3-2 The drilling of holes in the ceiling must be done by the professional personnel. Figure 1-3-3 Cautions: The dimension for the ceiling openings with * marks can be as large as 910mm. But the overlapping sections of the ceiling and the decorated surface boards should be maintained at no less than 20mm.
  • Page 66 U-MATCH AIR CONDITIONERS INSTALLATION Main body of hoisting air conditioner Nut (supplied at scene) Gasket (attachment) Insert Hoisting stand Gasket anchor board (attachment) Tighten (double nuts) [Fix the gasket firmly] [Fix the hoisting stand firmly] Bolt of one of the angle of outlet pipe is fix on the angle of the drainage slot Center of the ceiling Install cardboard...
  • Page 67 U-MATCH AIR CONDITIONERS INSTALLATION 1.3.4 Dimension Data Figure 1-3-5 Model ICI-12 ICI-18 ICI-24 ICI-36 ICI-45 ICI-50...
  • Page 68 U-MATCH AIR CONDITIONERS INSTALLATION 1.3.5 Installation Clearance Data Figure 1-3-6 Models H(mm) ICI-12 ICI-18 ICI-24 ICI-36 ICI-45 ICI-50 1.3.6 Drain Piping Work Installation of Drainage Pipeline ‹ When connecting the drainage pipe with the unit, do not apply excessive force to the pipeline at the side of the unit.
  • Page 69 U-MATCH AIR CONDITIONERS INSTALLATION Sponge(attachment) Clamp Clamp(attachment) Drain hose Sponge (gray) Below 4mm Figure 1-3-7 Testing of Drainage System ‹ After the electrical installation is completed, carry out the testing of the drainage system. ‹ During the test, check if the water correctly flows through the pipelines. Carefully observe the joints to ensure that there is no leakage.
  • Page 70 U-MATCH AIR CONDITIONERS INSTALLATION with in 300mm 1-1.5m Hanger bracket Drainage hose (attachment) Above Drainage raising pipe 280mm Below Celling 1120mm Cassette type unit 200mm Clamp(attachment) Figure 1-3-9 ‹ The slant gradient of the attached drain hose should be within 75mm so that the drain hole doesn’t has to endure the unnecessary outside force.
  • Page 71 U-MATCH AIR CONDITIONERS INSTALLATION [Way of immiting] Drain hose est hole cover Drain vent for repair use (plastic stopper is included) (drain the water in waterspout by this outlet vent) Test hole < Immiting water from the rest hole> Plastic water pot (The length of the pipe should be about 100mm.) <Immiting water from the outlet vent terminal>...
  • Page 72 U-MATCH AIR CONDITIONERS INSTALLATION Figure 1-3-13 ‹ Hang the latch, which is located on the opposite side of the swing flap motor on the panel, temporarily to the book of the indoor unit. (2 Positions) ‹ Temporarily hang the remaining 2 latches to the hooks on the sides of the indoor unit.(Be careful not to let the swing motor lead wire get caught in the sealing material.) ‹...
  • Page 73 U-MATCH AIR CONDITIONERS INSTALLATION Precautions: ‹ Improper screwing of the screws may cause the troubles shown in Figure 1-3-14. Figure 1-3-14 ‹ If gap is still left 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 ‹...

  • Page 74: Outdoor Unit Installation

    U-MATCH AIR CONDITIONERS INSTALLATION 2 OUTDOOR UNIT INSTALLATION 2.1 Before Installation ‹ When the unit arrives, please check if any damage 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.

  • Page 75: Dimension Data

    U-MATCH AIR CONDITIONERS INSTALLATION ‹ Installation of outdoor unit shall not allow discharged air to return, and sufficient maintenance space shall be left around the unit. ‹ Installation position must be well-ventilated, enabling the unit to absorb and discharge enough air. Inlet and outlet must be free of obstruction. Any obstacle blocking air going in and out must be removed.

  • Page 76: Installation Clearance Data

    U-MATCH AIR CONDITIONERS INSTALLATION Unit mm Model ULS-09 ULS-12 ULS-18 ULS-24 1018 ULS-36 1018 ULT-36 ULT-45 ULT-50 1250 ULT-60 2.5 Installation Clearance Data Figure 2-5-1...

  • Page 77: Refrigeration Piping Work

    U-MATCH AIR CONDITIONERS INSTALLATION 3 REFRIGERATION PIPING WORK 3.1 Refrigeration Piping Work Procedures Connecting pipelines ‹ Connection pipes must be in accordance with the following requirements: the basic principle --- keeping dry, clean and no leakage inside. Figure 3-1-1 ‹ Align copper pipe flare with the center of screwed connector and tighten fully the nut of the flare by hand.
  • Page 78 U-MATCH AIR CONDITIONERS INSTALLATION ‹ Curvature of piping shall not be too small, or otherwise piping may be broken. So installation personnel should use a pipe bender to bend pipes. ‹ Upward or longitudinal welding joint method is usually applied to the welding of pipelines. The welding method that mouth of pipe is downward (face-down welding) should be avoided as far as possible, because such method is prone to welding defects and even would cause leakage, as shown in Figure 3-1-3.
  • Page 79 U-MATCH AIR CONDITIONERS INSTALLATION ‹ Tighten the valve caps and use soapy water or a leak detector to check any leakage on indoor unit, outdoor unit and connection parts of pipes. Caution If conditions are allowed, a vacuum pump shall be used for drawing off air inside the system at a valve.

  • Page 80: Caution In Connecting Pipes

    U-MATCH AIR CONDITIONERS INSTALLATION to Figure 3-1-6. Figure 3-1-6 Figure 3-1-7 ‹ Use adhesive tape to bundle the connecting pipe and the cables together. To prevent condensate from overflowing out from the drainage pipe, separate the drainage pipe firm the connecting pipe and the cables.

  • Page 81: Specification Of Connection Pipe

    U-MATCH AIR CONDITIONERS INSTALLATION connecting pipe is needed to lengthen, appropriate amount of refrigerant should be added. How much refrigerant should be added for every meter extension refers to the following table. Allowable maximum pipe length is 30m. ‹ If height difference between indoor unit and outdoor unit exceeds 10m in installation of air conditioner, an oil return bend must be mounted at an interval of 6m.

  • Page 82: Electric Wiring Work

    U-MATCH AIR CONDITIONERS INSTALLATION ULT-36 ULT-45 ULT-50 ULT-60 4 ELECTRIC WIRING WORK 4.1 Wiring Principle 4.1.1General ‹ Perform wiring of the power supply in conformance with the regulations of the local electric company. ‹ For the control wires connecting indoor units, and between indoor and outdoor units, use of double-core shield wires is recommended to prevent noise trouble.
  • Page 83 U-MATCH AIR CONDITIONERS INSTALLATION ‹ Air conditioner is the “I” class electric appliance, thus please do conduct reliable grounding measure. ‹ The yellow-green two-color wiring of air conditioner is grounding wire and cannot be used for other purposes. It cannot be cut off and be fixed by screw, otherwise it would cause electric shock.
  • Page 84 U-MATCH AIR CONDITIONERS INSTALLATION Warning: ‹ If the power supply flexible line or the signal line of the equipment is damaged, only use special flexible line to replace it. ‹ Before connecting lines, read the voltages of the relevant parts on the nameplate. Then carry out line connection according to the schematic diagram.
  • Page 85 U-MATCH AIR CONDITIONERS INSTALLATION connecting line between the indoor unit and the outdoor unit. ‹ In case the unit is installed in a place vulnerable by electromagnetic interference, it is better to use shielded cable or double-twisted cable as the signal line of the wire controller. ‹...

  • Page 86: Electric Wiring Design

    U-MATCH AIR CONDITIONERS INSTALLATION 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 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 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: Specification Of Power Supply Wire And Air Switch

    U-MATCH AIR CONDITIONERS INSTALLATION 4.3 Specification of Power Supply Wire and Air Switch 4.3.1 Outdoor Unit Minimum Sectional Capability of Minimum Sectional Power Supply Area of Power Air Swith Area of Earth Wire Model Supply Wire V Ph Hz ULS-09 220-240 1 50 ULS-12 220-240 1 50...
  • Page 90 U-MATCH AIR CONDITIONERS INSTALLATION Ceiling Type Minimum Sectional Capability of Minimum Sectional Power Supply Area of Power Air Swith Area of Earth Wire Model Supply Wire V Ph Hz IKI-09 220-240 1 50 IKI-12 220-240 1 50 IKI-18 220-240 1 50 IKI-24 220-240 1 50 IKI-36...
  • Page 91 INVENTOR COMMERCIAL AIR CONDITION U-MATCH AIR CONDITIONERS MAINTENANCE...

  • Page 92: Maintenance

    U-MATCH AIR CONDITIONERS MAINTENANCE MAINTENANCE 1 TROUBLE TABLE Trouble Origin of Trouble Name Control Description Code Trouble Signal If water full protection continues for 2 hours and fails to restore, Pump Failure Pump it is believed that the water pump is at fault and all loads are shut off and fail to restore automatically.
  • Page 93 U-MATCH AIR CONDITIONERS MAINTENANCE Trouble Origin of Trouble Name Control Description Code Trouble Signal 30 minutes, the unit can not be restored itself and the buzzer will give out an alarm. Push the ON/OFF button to shut off the unit. And then push ON/OFF button again, if high voltage protection disappears, operation will restore, or otherwise, the fault is displayed.
  • Page 94 U-MATCH AIR CONDITIONERS MAINTENANCE Trouble Origin of Trouble Name Control Description Code Trouble Signal fault is displayed and the indoor fan is running normally. The fault display disappears when the fault is removed. Open-circuit or short-circuit of evaporator thermal bulb is detected for continuous 5 seconds, under refrigeration and dehumidification mode, the system will be shut off;...
  • Page 95 U-MATCH AIR CONDITIONERS MAINTENANCE Trouble Origin of Trouble Name Control Description Code Trouble Signal If discharge thermal bulb is short circuited, under refrigeration and dehumidification mode, all loads will be shut off. Under heating mode, all loads except for the four way valve are shut off.

  • Page 96: Flow Chart Of Troubleshooting

    U-MATCH AIR CONDITIONERS MAINTENANCE 2 FLOW CHART OF TROUBLESHOOTING Service personnel shall collect the malfunction information as much as possible and research them thoroughly, list these electrical parts which may cause malfunction, service personnel shall be able to determine the specific reason and solve the faulted parts. Observe the status of the complete device and do not observe the partial It is advised to start from the simple operation during analyzing ,judging and confirming malfunction reason, then conduct the complicated operations such removal of device, part...
  • Page 97 U-MATCH AIR CONDITIONERS MAINTENANCE ‹ Malfunction display: E1 Compressor High Pressure Protection...
  • Page 98 U-MATCH AIR CONDITIONERS MAINTENANCE ‹ Malfunction display: E3 Compressor Low Pressure Protection...
  • Page 99 U-MATCH AIR CONDITIONERS MAINTENANCE ‹ Malfunction display: E4 Compressor Exhaust High Temperature Protection Compressor Exhaust High Temperature Protection Check if the air exhaust temperature has Check if the resistance value of the replace the corresponding reached 130 sensor is correct? discharge temperature sensor check if the liquid bypass plug is connected Replace the main board of the...
  • Page 100 U-MATCH AIR CONDITIONERS MAINTENANCE ‹ Malfunction display: E5 Compressor Overheat Compressor Overheat if the compressor cable is properly adjust the compressor cable connected connection if the current value is higher than the set replace over-current protector value of the protector if the high pressure of the refer to assembly is ok...
  • Page 101 U-MATCH AIR CONDITIONERS MAINTENANCE ‹ Malfunction display: E6 Communications Failure...
  • Page 102 U-MATCH AIR CONDITIONERS MAINTENANCE ‹ Malfunction display: E9 Full Water Protection Full Water Protection check if the voltage of liquid level replace the main board of the check if water overflows? switch end is ok? indoor unit check the liquid level switch replace the main board of the indoor unit check if the voltage for the water...
  • Page 103 U-MATCH AIR CONDITIONERS MAINTENANCE ‹ Malfunction display: F0 Failure of Indoor Room Sensor at Air Intake ‹ Malfunction display: F1 Failure of Evaporator Temp. Sensor Failure of Condenser Temp. Sensor Check if the plug of the temperature sensor check the directions of the is correctly connected with socket on the plug and the socket main board?
  • Page 104 U-MATCH AIR CONDITIONERS MAINTENANCE ‹ Malfunction display: F3 Failure of Outdoor Ambient Sensor Failure of Outdoor Ambient Sensor Check if the plug of the temperature sensor check the directions of the is correctly connected with socket on the plug and the socket main board? Remove the temperature sensor to check if replace the temperature...
  • Page 105 U-MATCH AIR CONDITIONERS MAINTENANCE ‹ Malfunction display: F5 Failure of Indoor Room Sensor at Wire Controller Failure of Indoor Room Sensor at Wire Controller Check if the plug of the temperature sensor check the directions of the is correctly connected with socket on the plug and the socket main board Remove the temperature sensor to check if...

  • Page 106: Wiring Diadram

    U-MATCH AIR CONDITIONERS MAINTENANCE 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 2, ULS-12 WITH FUNCTION OF LOW TEMP. COOLING: WITHOUT FUNCTION OF LOW TEMP. COOLING:...
  • Page 108 U-MATCH AIR CONDITIONERS MAINTENANCE 3, ULS-18 WITH FUNCTION OF LOW TEMP. COOLING: WITHOUT FUNCTION OF LOW TEMP. COOLING:...
  • Page 109 U-MATCH AIR CONDITIONERS MAINTENANCE 4, ULS-24 WITH FUNCTION OF LOW TEMP. COOLING: WITHOUT FUNCTION OF LOW TEMP. COOLING:...
  • Page 110 U-MATCH AIR CONDITIONERS MAINTENANCE 5, ULS-36 WITH FUNCTION OF LOW TEMP. COOLING: WITHOUT FUNCTION OF LOW TEMP. COOLING:...
  • Page 111 U-MATCH AIR CONDITIONERS MAINTENANCE 6, ULT36 WITH FUNCTION OF LOW TEMP. COOLING: WITHOUT FUNCTION OF LOW TEMP. COOLING:...
  • Page 112 U-MATCH AIR CONDITIONERS MAINTENANCE 7, ULT-45 WITH FUNCTION OF LOW TEMP. COOLING: WITHOUT FUNCTION OF LOW TEMP. COOLING:...
  • Page 113 U-MATCH AIR CONDITIONERS MAINTENANCE 8, ULT-50 ULT-60 WITH FUNCTION OF LOW TEMP. COOLING: WITHOUT FUNCTION OF LOW TEMP. COOLING:...

  • Page 114: Wiring Diagram-Indoor Units

    U-MATCH AIR CONDITIONERS MAINTENANCE 3.2 Wiring 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: IKI-09 IKI-12 IKI-18 IKI-24 IKI-36 IKI-45 IKI-50...
  • Page 115 U-MATCH AIR CONDITIONERS MAINTENANCE...

  • Page 116: Disassembly And Assembly Procedure Of Main Parts

    U-MATCH AIR CONDITIONERS MAINTENANCE 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS_ 4.1 Outdoor Unit ULS-09~ ULS-36 Disassembly and Assembly of external casing Remark: Make sure that power supply is cut off before disassembling the external casing. Step Illustration Handling Instruction Disassemble the fixing screw surrounding...
  • Page 117 U-MATCH AIR CONDITIONERS MAINTENANCE removing it. Disassemble the screws surrounding right (back) panel with 5. Disassembly of right screwdriver. (back) panel Remove the right (back) panel from the unit. Put new right (back) panel into right position. Screw down 6. Assembly of new right surrounding fixing screw (back) panel with screwdriver.
  • Page 118 U-MATCH AIR CONDITIONERS MAINTENANCE Put the new coping into the right position on the unit. Screw down 10. Assembly of new surrounding fixing screw coping with screwdriver.
  • Page 119 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of Compressor Remark : Make sure there isn’t any refrigerant in pipe system and the power supply is cut off before removal of the compressor.. Step Illustration Handling Instruction Loose the fixing screw Disassemble for the power supply wire compressor wire...
  • Page 120 U-MATCH AIR CONDITIONERS MAINTENANCE Remove compressor from underpan. 4. Removal of compressor Position accurately new compressor on the Mount unit. compressor and Assembly Screw down fixing nut for compressor compressor with wrench. underpan up-side-down compressor during assembly. Heat suction and discharge pipe with welding...
  • Page 121 U-MATCH AIR CONDITIONERS MAINTENANCE Pump vacuum through fluorin injection mouth. Vacuum pumping 8. Vacuum pumping with through fluorin injection mouth process pipe Refill cooling medium into system through fluorin Vacuum injection mouth pumping 9. Refill of cooling medium Volume of refilling should through through fluorin injection...
  • Page 122 U-MATCH AIR CONDITIONERS MAINTENANCE Heat connection pipes for 4 pipes of 4-way valve with gas welding before removal of 4-way valve. 3. Disassembly of 4-way Record the direciton of the Disassemble valve 4-way valve connecting installation postition pipes at E,S,D each pipe before welding and C orifices away 4-way valve.
  • Page 123 U-MATCH AIR CONDITIONERS MAINTENANCE filling system leak test passes. Disassembly and Assembly of capillary Remark: Make sure there isn’t any refrigerant in pipe system and the power supply is cut off before removal of the capillary. Step Illustration Handling Instruction Weld two welding points Weld point connecting capillary with...
  • Page 124 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of Vapour Liquid Separator Remark: Make sure there isn’t any refrigerant in pipe system and the power supply is cut off before removal of the vapor liquid separator. Needless for types under 24kBtu/h Step Illustration Handling Instruction...
  • Page 125 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of Axial Flow Fan and motor Remark: Make sure power supply of the unit is cut down before removal of axial flow fan and motor. Step Illustration Handling Instruction Handling Instruction 1. Disassembly of outer parts Disassemble outer parts unit...
  • Page 126 U-MATCH AIR CONDITIONERS MAINTENANCE Position accurately new motor motor support. Screw down the fixing screw fasten motor. 5. Assembly of new axial Connect the motor wire flow fan through the hole with the corresponding position inside the electrical parts fasten connecting plug.
  • Page 127 U-MATCH AIR CONDITIONERS MAINTENANCE electrical parts box Disassembly and Assembly of Remark: Make sure power supply of the unit is cut down before removal of electrical parts box or electrical parts box modules. Step Illustration Handling Instruction Cut off the power supply. Disassemble fixing screw between electrical parts box 1.
  • Page 128 U-MATCH AIR CONDITIONERS MAINTENANCE Position accurately new electrical parts box. Re-fasten electrical Assembly parts modules electrical parts screw down with modules screwdriver. Re-connect the connection wires of each components with right position 6. Connection of power according to the order of supply wires each...
  • Page 129 U-MATCH AIR CONDITIONERS MAINTENANCE ULT-45~ ULT-60 Disassembly and Assembly of external casing Remark: Make sure power supply of the unit is cut down before removal of external casing. Step Illustration Handling Instruction Disassemble fixing screws surrounding coping with screwdriver. Remove coping from the Disassembly unit.
  • Page 130 U-MATCH AIR CONDITIONERS MAINTENANCE Loose the fixing screws surrounding external casing with screwdriver. Remove external Disassembly casing from the unit. external casing Loose the fixing screws surrounding the back panel with screwdriver. Remove the back panel 5. Disassembly of back from the unit.
  • Page 131 U-MATCH AIR CONDITIONERS MAINTENANCE Position accurately the new panel grating on the unit panel. Screw down 8. Assembly of new surrouding fixing screws panel grating with screwdriver. Position accurately the new front panel. Screw down surrouding fixing screws 9. Assembly of new with screwdriver.
  • Page 132 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of Compressor Remark : Make sure there isn’t any refrigerant in pipe system and the power supply is cut off before removal of the compressor.. Step Illustration Handling Instruction Loose the fixing screws for power supply wire.
  • Page 133 U-MATCH AIR CONDITIONERS MAINTENANCE Remove compressor from underpan. Removal compressor Position accurately new compressor. Screw down fixing nuts for compressor with wrench. Assembly up-side-down compressor onto compressor during Fix the fixing underpan assembly. compressor Connect compressor with other pipeline using gas welding.
  • Page 134 U-MATCH AIR CONDITIONERS MAINTENANCE Assemble power supply wires onto right position according to the order of disassembly. Connection power Screw down the fixing supply wires screw for the power supply compressor wires with screwdriver. Pump the system vacuum through valve before refill cooling medium.
  • Page 135 U-MATCH AIR CONDITIONERS MAINTENANCE 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 4-way valve. Step Illustration Handling Instruction Cut off power supply and reclaim cooling medium...
  • Page 136 U-MATCH AIR CONDITIONERS MAINTENANCE Position accurately new 4-way valve. Connect new 4-way valve with pipe line. Wrap the valve with wet Mount the new 4-way cloth when welding 4-way valve and weld the 5. Assembly of New valve in case sliding block joints with other...
  • Page 137 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of capillary Remark: Make sure there isn’t any refrigerant in pipe system and the power supply is cut off before removal of the capillary. Step Illustration Handling Instruction Assemble solenoid valve Weld two welding points connecting capillary with other pipe lines.
  • Page 138 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of Vapour Liquid Separator Remark: Make sure there isn’t any refrigerant in pipe system and the power supply is cut off before removal of the vapor liquid separator. Step Illustration Handling Instruction Disassemble the fixing screws on the pothooks and retaining clips of the Fix screw...
  • Page 139 U-MATCH AIR CONDITIONERS MAINTENANCE Re-assemble the retaining clips for liquid reservoir and screw down the fixing Assembly screw retaining clips for liquid reservoir...
  • Page 140 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of Axial Flow Fan and motor Remark: Make sure power supply of the unit is cut down before removal of axial flow fan and motor. Step Illustration Handling Instruction Disassemble outer parts unit coping, panel(external casing),...
  • Page 141 U-MATCH AIR CONDITIONERS MAINTENANCE inside the electrical parts fasten connecting plug. Position reliably the new fan on the motor axis. Hold the fans without movement. Screw down fixing 5. Assembly of new screws with axial flow fan wrench. Re-assemble the outer parts of unit coping, panel (external casing)
  • Page 142 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of electrical parts box Remark: Make sure power supply of the unit is cut down before removal of electrical parts box or electrical parts box modules. Step Illustration Handling Instruction Disassemble electrical components, like mainboard inside the electrical parts box connected with outer 1.
  • Page 143 U-MATCH AIR CONDITIONERS MAINTENANCE Position accurately Fix screws new electrical parts box. Re-fasten electrical parts modules Assembly screw down with electrical parts screwdriver. modules Re-connect the connection wires of each components with right position according to the order of 5. Connection of power disassembly.

  • Page 144: Indoor Unit

    U-MATCH AIR CONDITIONERS MAINTENANCE 4.2 Indoor Unit 4.2.1 Duct Type IDI-09, IDI-12, IDI-18 Disassembly procedure Disassembly of External Casing of Group Remark: Make sure the power supply is cut off before removal and protect all the parts during disassembly, especially the screws that should be collected together, in case of missing them.
  • Page 145 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of water-containing plate Remark Make sure the power supply is cut off before disassembling and protect all the parts during disassembly. Step Illustration Handling Instruction Disassemble the fastening screws for water-containing plate and take away the water-containing plate shown in the graph, the Removal...
  • Page 146 U-MATCH AIR CONDITIONERS MAINTENANCE Disassemble fastening screws for fans with inner hexagonal. Remove the centrifugal fan. (As is shown in Grapgh 7, the line 2. Disassembly of without an arrow centrifugal fan represents inner hexagonal and the position of fastening screws under influence, and arrow...
  • Page 147 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of evaporator Remark: Make sure the power supply is cut off and protect 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 Disassemle the fastening...
  • Page 148 U-MATCH AIR CONDITIONERS MAINTENANCE IDI-24, IDI-36, IDI-45, IDI-50, IDI-60I Disassembly procedure Disassembly of filter screen for return air Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly. Do not put filter screen near the high temperature heat source. Step Illustration Handling Instruction...
  • Page 149 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of drainage pump Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly. Step Illustration Handling Instruction Disassemble the fastening screws on seal-plates of inner 1. Disassembly of panels and the pump drainage fastening screws...
  • Page 150 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of fan and motor Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly. Step Illustration Handling Instruction Disassemble the fixing screws on the fan components. (As is shown in Graph 10, circle represents 6 screws.) 1.
  • Page 151 U-MATCH AIR CONDITIONERS MAINTENANCE Remove the evaporator. Removed evaporator is shown in the graph. Removal evaporator Disassembly of External casing cabinet Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly. Step Illustration Handling Instruction Disassemble the fastening screws...
  • Page 152 U-MATCH AIR CONDITIONERS MAINTENANCE 4.2.2 Ceiling Type Disassembly of panel grating module Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly. Do not put filter screen near the high temperature heat source. Step Illustration Handling Instruction...
  • Page 153 U-MATCH AIR CONDITIONERS MAINTENANCE Disassemble the 8 screws shown by the arrow in the graph with screwdriver (two on both right and left and 4 in the front) and then remove the panel parts. Disassembly panel parts Disassembly of electrical parts box components Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly, especially the components inside the box in case of water and hit.
  • Page 154 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of air deflecting plate modules Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly, especially the joints of the air deflecting plate. Step Illustration Handling Instruction Remove the air deflecting plates from the air deflecting plate support assembly, and...
  • Page 155 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of evaporator components Remark: Make sure the power supply is cut off and protect 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...
  • Page 156 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of fan and motor components Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly, especially the fastening screws for fans. Step Illustration Handling Instruction Press the buckle at the joints of front and back scroll cases with hands pull...
  • Page 157 U-MATCH AIR CONDITIONERS MAINTENANCE Disassemble the bolt shown in the graph with screwdriver and remove the motor press plate and retaining clio for motor. 4. Disassembly of 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 Handling...
  • Page 158 U-MATCH AIR CONDITIONERS MAINTENANCE 4.2.3 Cassette Type Disassembly of panel grating and filter screen Remark: Cut off the power supply and make sure the panel grating in good condition during assembly. Step Illustration Handling Instruction Push the right and left clips on the panel to the middle and pull upward at the same time.
  • Page 159 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of panels Remark: Cut off the power supply and make sure the panels and angular shell in good condition. Step Illustration Handling Instruction Pull angular shell outside with hands and remove it. 1. Disassembly of angular shell Disassemble the screws with screwdriver and loose the...
  • Page 160 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of water-containing plate Remark: Cut off the power supply and make sure the power supply wires, signal wires and water-containing plate in good condition. Step Illustration Handling Instruction Disassemble the screws on the electical parts box cover panel and flow deflectin ring.
  • Page 161 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of fan Remark: Cut off the power supply and make sure the fan is in good condition and shape. Step Illustration Handling Instruction Disassemble nuts with wrench and pull upper side to remove the fan (The position Disassembly of fan...
  • Page 162 U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of air-deflecting motor Remark: Make sure the air-deflecting motor in good condition and the power supply is cut off. Step Illustration Handling Instruction Disassemble fitting screws on the air-deflecting motor and remove the motor. Disassembly air-deflecting motor Disassembly of connection rod modules on air-deflecting plate Remark: Make sure the air-deflecting plate in good condition and the power supply is cut off.

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