Klimaire KDIR09-H2 Service Manual

Klimaire KDIR09-H2 Service Manual

Light commercial air conditioner

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Table of Contents
1.
Precaution
2.
Part Names And Functions
3.
Dimension
4.
Service space
5.
Refrigerant Cycle Diagram
6.
Wiring Diagram
7.
Static Pressure
8.
Electric Characteristics
9.
Sound Level
10. Accessories
11. The Specification of Power
12. Installation Details
13. Operation Characteristics
14. Electronic Function
15. Solar Panel
16. Troubleshooting
17. Disassembly Instructions
WARNING
Installation MUST conform with local building codes or, in the absence of local codes, with the
National Electrical Code NFPA70/ANSI C1-1993 or current edition and Canadian Electrical
Code Part1 CSA C.22.1.
The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments
Installation or repairs made by unqualified persons can result in hazards to you and others.
Failure to carefully read and follow all instructions in this manual can result in equipment
malfunction, property damage, personal injury and/or death.
This service manual is for the use of the service engineer only
Model Numbers:
Indoor Unit:
KDIR09-H2, KTIR09-H2, KDIR12-H2, KTIR12-H2, KDIR18-H2, KTIR018-H2, KUIR18-H2,
KDIR24-H2, KTIR24-H2, KUIR24-H2, KTIR036-H2G1, KFUF036-H2G1, KTIR048-H2G1,
KFUF048-H2G1, KFUF060-H2G1; KDIP09-H2, KDIP012-H2; KDIP018-H2; KDIP24-H2;
KDIR036-H2G1; KDIR048-H2G1; KDIS060-H2G1;
Outdoor Unit:
KSIE009-H221-O; KSIE012-H220-O; KSIE018-H220-O; KSIE024-H220-O; KSIR036-H218;
KSIR048-H218; KSIR060-H218
Light commercial
Air Conditioner
SERVICE MANUAL

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Summary of Contents for Klimaire KDIR09-H2

  • Page 1 SERVICE MANUAL Table of Contents Model Numbers: Precaution Indoor Unit: Part Names And Functions KDIR09-H2, KTIR09-H2, KDIR12-H2, KTIR12-H2, KDIR18-H2, KTIR018-H2, KUIR18-H2, Dimension KDIR24-H2, KTIR24-H2, KUIR24-H2, KTIR036-H2G1, KFUF036-H2G1, KTIR048-H2G1, Service space KFUF048-H2G1, KFUF060-H2G1; KDIP09-H2, KDIP012-H2; KDIP018-H2; KDIP24-H2; Refrigerant Cycle Diagram KDIR036-H2G1; KDIR048-H2G1; KDIS060-H2G1;...
  • Page 2: Table Of Contents

    CONTENTS 1. Precaution ..............................1 1.1 Safety Precaution .......................... 1 1.2 Warning ............................1 2. Part Names and Features..........................4 2.1 Model Names of Indoor/Outdoor units ..................4 2.2 Part names of Indoor/Outdoor units ....................5 2.3 Features ............................11 3.
  • Page 3 15.2 Display function ........................130 15.3 Main Protection ........................130 15.4 Operation Modes and Functions ..................... 132 16. Troubleshooting ............................. 138 16.1 Indoor Unit Error Display ......................139 16.2 Error Display on Two Way Communication Wired Controller ..........140 16.3 Outdoor unit error display ......................141 16.4 Diagnosis and Solution ......................
  • Page 4: Precaution

    Be caution when unpacking and  installing the product. 1. Precaution Sharp edges could cause injury, be especially careful of the case edges and the fins on the 1.1 Safety Precaution condenser and evaporator. For installation, always contact the  To prevent injury to the user or other ...
  • Page 5 If strange sounds or smoke comes Install the drain hose to ensure that   from product, turn the breaker off or water is drained away properly. disconnect the power supply cable. A bad connection may cause water leakage. There is risk of electric shock or fire. Keep level even when installing the ...
  • Page 6 Do not insert hands or other objects  through air inlet or outlet while the product is operated. Do not drink the water drained from  the product. Use a firm stool or ladder when  cleaning or maintaining the product. Be careful and avoid personal injury.
  • Page 7: Part Names And Features

    2. Part Names and Features 2.1 Model Names of Indoor/Outdoor units Outdoor units Series Capacity Indoor units Cassette KTIR09-H2 A5 Duct KDIR09-H2 KSIE009-H221-O A6 Duct KDIP090-H2 Cassette KTIR12-H2 A5 Duct KDIR12-H2 KSIE012-H221-O A6 Duct KDIP012-H2 Cassette KTIR018-H2 A5 Duct KDIR18-H2...
  • Page 8: Part Names Of Indoor/Outdoor Units

    2.2 Part names of Indoor/Outdoor units Cassette Units...
  • Page 9 KDIR Duct Units...
  • Page 10 KDIP Duct Units...
  • Page 11 Ceiling-floor Units...
  • Page 12 HESP DUCT Units...
  • Page 13: Features

    2.3 Features 2.3.1 KDIR Duct Units 2.3.1.1 Easy Installation: Two air Inlet Styles (Bottom side or Rear side) Air inlet from rear is standard for all capacity; air inlet from bottom is optional.  The size of air inlet frame from rear and bottom is same, it’s very easy to move the cover from ...
  • Page 14 Motor Blower Housing Ventilated Panel 2.3.1.4 Reserved Remote On-off and Central Control Ports Reserved remote on-off ports and central control ports, can connect the cable of an on-off  controller or a central controller to realize remote on-off control function or group control function. Remote on-off ports Central control ports 2.3.1.5 Built-in Drain Pump (Optional):...
  • Page 15 2.3.1.6 Built-in Display Board The standard indoor unit can be controlled by wired controller.  There is a display board with a receiver in the E-box. Move out the display, and fix it in other place,  even in the distance of 2m. The unit will realized remoter control. The wired controller and the display board can display the error code or production code when the ...
  • Page 16 2.3.2 Cassette Units 2.3.2.1 Lower Noise Optimize air channel system design to ensure the maximum quietness and comfort.  Noise max down 6dB.  2.3.2.2 Turbo Mode (Optional) Turbo function can boost cooling or heating speed in a short period, and makes the room cool ...
  • Page 17 2.3.2.6 Build-in Drain Pump  The drain pump can lift the condensing water up to 750mm upmost.  It’s convenient to install drainage piping under most space condition. 2.3.2.7Terminals For Alarm Lamp and Long-distance On-off Controller Connection Are Standard Reserve terminals for the connection of alarm lamp and long-distance on-off controller, more ...
  • Page 18 2.3.4 Ceiling-floor Units 2.3.4.1 Two-way Installation The rounded design of the ceiling and floor type air conditioner allows either ceiling or floor-level  installation. Ceiling installation saves room space, while floor installation helps prevent the loss of warm air. 2.3.4.2 Brief Design Brief design that is suitable for any interior will not only give you cooling and heating performance ...
  • Page 19 2.3.4.7 Outside Water Pump for Optional When Ceiling Installation.
  • Page 20 2.3.5 KDIP Duct Units Higher Static Pressure 2.3.5.1. As a ducted air conditioner with medium static pressure, it has the widest static pressure range.  The maximum static pressure reaches 160Pa  Slim Design 2.3.5.2. The industry Lowest height is designed to be fitted into tight roof spaces. ...
  • Page 21 Air intake from bottom (Optional) Air intake from rear (Standard) 2.3.5.5. Communication wire connection A6 duct uses two wires without polarity connection way, which almost has no mistake during the  installation. Easy Clean 2.3.5.6. With a larger window design, once the motor and the blower wheels have been detached, heat ...
  • Page 22 A ventilation motor (provided by the installer) can be installed inside the fresh air duct to improve  the fresh air volume. There are reserved ports for this motor on main PCB (Standard for 3D inverter units, and only optional for DC inverter 53~160 units). 2.3.5.8.Drain pump (Optional) Built-in drain pump can lift the water to 750mm upmost, which widens the drainage piping range.
  • Page 23 2.3.6 HESP DUCT Units 2.3.6.1 High static pressure design Max static pressure of indoor unit is 200Pa.  The longest distance of air supply is 40m, the max height of air supply is 6.5m.  Specially recommended for spacious and large rooms like large stores and factories. ...
  • Page 24: Dimension

    3. Dimension 3.1 Indoor Unit KDIR Duct Units air inlet from rear side Air filter ( optional ) 4-install hanger Liquid side Gas side 25 Drain pipe 25 Drain pipe Test mouth & Test cover 25 Drain connecting pipe ( for pump ) Electric control box Fresh air intake Air filter ( optional )
  • Page 25 Cassette Units(9K, 12K, 18K) Liquid side Gas side Body Drain hole Wiring connection port ( for Service ) E-parts box 4-Screw hole (for install panel) 4-install hanger Drain pipe Fresh air intake Wiring connection port Panel...
  • Page 26 Cassette Units (24K, 36K, 48K) 92 92 Fresh air intake 4-install hanger Body Gas side Liquid side Wiring connection port E-parts box Service hole for Test mouth & Test cover draining pump Drain hole 92 92 92 92 Panel Capacity (Btu/h) inch 6.30 2.95...
  • Page 27 Ceiling-floor Units (18K-60K) Wiring connection port Drain discharge port Fresh air intake Refrigerant pipe hole Hanging arm Capacity (Btu/h) 1068 18K / 24K inch 42.05 26.57 9.25 38.70 1285 1200 inch 50.59 26.57 9.25 47.24 1650 1565 48K/60K inch 64.96 26.57 9.25 61.61...
  • Page 28 KDIP Duct Units Model unit (KBtu/h) 9/12 inch 27.6 19.9 17.7 21.1 23.6 29.2 14.2 inch 34.6 26.5 23.6 27.8 30.8 36.2 20.0 1100 1001 1140 inch 43.3 30.5 27.6 36.5 39.4 44.9 23.5 1360 1186 1261 1400 inch 53.5 30.5 27.6 46.7...
  • Page 29 KDIS060-H2G1 (suspension position) 2-Φ 3.2 Φ 5 NOTE:16 groups all around(the same of the air inlet flange)
  • Page 30: Outdoor Unit

    3.2 Outdoor Unit Note: The above drawing is only for reference. The appearance of your units may be different. Model unit KSIE009-H221-O inch 30.3 11.8 21.9 33.1 19.2 11.7 KSIE012-H220-O inch 31.5 13.1 21.8 34.3 20.2 13.4 KSIE018-H220-O inch 33.3 14.3 27.6 36.0...
  • Page 31 KSIE024-H220-O inch 37.2 16.1 31.9 40.6 26.5 15.9 KSIR036-H218...
  • Page 32 Model 1333 1045 KSIR048-H218 KSIR060-H218 inch 37.5 16.3 52.5 41.1 25.0 15.9...
  • Page 33: Service Space

    4. Service Space 4.1 Indoor Unit KDIR / KDIP Duct Units Ensure enough space required for installation and maintenance. 200mm(7.87in) or more 300mm(11.81in) or more 600mmx600mm/23.62inx23.62in Check orifice All the indoor units reserve the hole to connect the fresh air pipe. The hole size as following Cassette Units Unit: mm...
  • Page 34 Ceiling-floor Units...
  • Page 35: Indoor Unit

    HESP DUCT 500mm or more 600mm or more Indoor unit Maintenance and repair space 600mmx600mm 4.2 Outdoor Unit (Wall or obstacle) More than 30cm(11.81in) Air inlet More than 60cm More than 30cm (23.62in) (11.81in) Maintain channel More than 60cm Air inlet (23.62in) Air outlet More than 200cm(78.74in)
  • Page 36: Refrigerant Cycle Diagram

    5. Refrigerant Cycle Diagram KSIE024-H220-O INDOOR OUTDOOR Electronic CAPILIARY TUBE expansion valve LIQUID SIDE 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE (EVAPORATOR) HEAT T4 Ambient T1 Room temp. EXCHANGE temp. sensor sensor (CONDENSER) T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE 3-WAY VALVE T5 Discharge...
  • Page 37 KSIR036-H218, KSIR048-H218, KSIR060-H218 INDOOR OUTDOOR Electronic CAPILIARY TUBE expansion valve LIQUID SIDE 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE HEAT (EVAPORATOR) T4 Ambient T1 Room temp. EXCHANGE temp. sensor sensor (CONDENSER) T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE High pressure switch 3-WAY VALVE Accumulator...
  • Page 38: Wiring Diagram

    6. Wiring Diagram 6.1 Indoor Unit KTIR09-H2, KTIR12-H2, KTIR018-H2, KTIR24-H2 KDIR09-H2, KDIR12-H2, KDIR18-H2, KDIR24-H2...
  • Page 39 KTIR036-H2G1, KTIR048-H2G1...
  • Page 40 KUIR18-H2, KUIR24-H2...
  • Page 41 KFUF036-H2G1 KFUF048-H2G1...
  • Page 42 KFUF060-H2G1...
  • Page 43 KFUF036-H2G1,KFUF048-H2G1...
  • Page 44 KDIP090-H2, KDIP012-H2, KDIP018-H2, KDIP24-H2...
  • Page 45 KDIR036-H2G1 , KDIR048-H2G1, KDIS060-H2G1 6.1.1 Some connectors introduce: KTIR09-H2, KTIR12-H2, KTIR018-H2, KTIR24-H2, KTIR036-H2G1, KTIR048-H2G1 A For remote control (ON-OFF) terminal port CN23 and short connector of JR6 1. Remove the short connector of JR6 when you use ON-OFF function; 2. When remote switch off (OPEN), the unit would be off; 3.
  • Page 46 B For ALARM terminal port CN33 1. Provide the terminal port to connect ALARM ,but no voltage of the terminal port , the power from the ALARM system (not from the unit ) 2. Although design voltage can support higher voltage, but we strongly ask you connect the power less than 24V, current less than 0.5A 3.
  • Page 47 , the new fresh motor would be stopped ; 5. When the unit enter force cooling mode or capacity testing mode, the fresh motor isn’t work . KDIR09-H2, KDIR12-H2, KDIR18-H2, KDIR24-H2, KUIR18-H2, KUIR24-H2, KFUF036-H2G1, KFUF048-H2G1, KFUF060-H2G1 A For remote control (ON-OFF) terminal port CN23 1.
  • Page 48 B For ALARM terminal port CN33 1. Provide the terminal port to connect ALARM, but no voltage of the terminal port , the power from the ALARM system (not from the unit ) 2. Although design voltage can support higher voltage, but we strongly ask you connect the power less than 24V, current less than 0.5A 3.
  • Page 49 1. Connect the fan motor to the port, no need care L/N of the motor; 2. The output voltage is the power supply; 3. The fresh motor cannot excess 200W or 1A, follow the smaller one; 4. The new fresh motor will be worked when the indoor fan motor work ;when the indoor fan motor stops, the new fresh motor would be stopped;...
  • Page 50 KDIP090-H2, KDIP012-H2, KDIP018-H2, KDIP24-H2, KDIR036-H2G1 , KDIR048-H2G1, KDIS060-H2G1 A. For new fresh motor terminal port (also for Anion generator) CN43: 1. Connect the fan motor to the port, no need care L/N of the motor; 2. The output voltage is the power supply; 3.
  • Page 51 B For ALARM terminal port CN33 1. Provide the terminal port to connect ALARM, but no voltage of the terminal port, the power from the ALARM system (not from the unit ) 2. Although design voltage can support higher voltage, but we strongly ask you connect the power less than 24V, current less than 0.5A 3.
  • Page 52 6.1.2 Micro-Switch Introduce: KTIR09-H2, KTIR12-H2, KTIR18-H2 A. Micro-switch SW1 is for selection of indoor fan stop temperature (TEL0) when it is in anti-cold wind action in heating mode. Range: 24 C, 15 C, 8 C, according to EEROM setting (reserved for special customizing). TEL0+16 Setting fan speed TEL0+14...
  • Page 53 Range: Active, inactive D. Micro-switch SW5 is for setting mode priority of multi connection. Range: Heat, cool. E.Micro-switch SW6 is for selection of temperature compensation in heating mode. This helps to reduce the real temperature difference between ceiling and floor so that the unit could run properly. If the height of installation is lower, smaller value could be chosen.
  • Page 54 KTIR09-H2, KTIR12-H2, KTIR18-H2, KTIR24-H2 A. Micro-switch SW1 is for selection of indoor fan stop temperature (TEL0) when it is in anti-cold wind action in heating mode. Range: 24 C, 15 C, Fan motor do not stop, According to EEROM setting (reserved for special customizing).
  • Page 55 D. Micro-switch SW5 is for setting mode priority of multi connection.(Only for KTIR09-H2, KTIR12- H2, KTIR18-H2, KTIR24-H2) Range: Heat, cool. E.Micro-switch SW6 is for selection of temperature compensation in heating mode. This helps to reduce the real temperature difference between ceiling and floor so that the unit could run properly. If the height of installation is lower, smaller value could be chosen.
  • Page 56 KTIR036-H2G1, KTIR048-H2G1 A. Micro-switch SW1 is for selection of indoor fan stop temperature (TEL0) when it is in anti-cold wind action in heating mode. Range: 24 C, 15 C, 8 C, according to EEROM setting (reserved for special customizing). TEL0+16 Setting fan speed TEL0+14 TEL0+12...
  • Page 57 D. Micro-switch SW5 is for setting the master or slave unit when the unit is in twin connection. Range: Master no slave (Normal 1 drive 1 connection), Master (2 positions without difference), Slave E.Micro-switch SW6 is for selection of temperature compensation in heating mode. This helps to reduce the real temperature difference between ceiling and floor so that the unit could run properly.
  • Page 58 G. Dial-switch ENC1: The indoor PCB is universal designed for whole series units from 18K to 55K. This ENC1 setting will tell the main program what size the unit is. NOTE: Usually there is glue on it because the switch position cannot be changed at random unless you want to use this PCB as a spare part to use in another unit.
  • Page 59 For KUIR18-H2: TEL0+23- TE1 Setting fan speed TEL0+18- TE1 TEL0+21- TE1 TEL0+19- TE1 TEL0+16- TE1 TEL0+17- TE1 TEL0+14- TE1 TEL0+15- TE1 TEL0+12- TE1 TEL0+10- TE1 TEL0+13- TE1 Super slow TEL0 Fan off B. Micro-switch SW2 is for selection of indoor FAN ACTION if room temperature reaches the setponit and the compressor stops.
  • Page 60 E.Micro-switch SW6 is for selection of temperature compensation in heating mode. This helps to reduce the real temperature difference between ceiling and floor so that the unit could run properly. If the unit is on-floor installed, 0 should be chosen. Range: 0 C, 2 C, 4...
  • Page 61 TEL0+23- TE1 Setting fan speed TEL0+21- TE1 TEL0+18- TE1 TEL0+19- TE1 TEL0+16- TE1 TEL0+17- TE1 TEL0+14- TE1 TEL0+15- TE1 TEL0+12- TE1 TEL0+10- TE1 TEL0+13- TE1 Super slow TEL0 Fan off B. Micro-switch SW2 is for selection of indoor FAN ACTION if room temperature reaches the setponit and the compressor stops.
  • Page 62 Range: Single Fan, Double Fan E.Micro-switch SW6 is for selection of temperature compensation in heating mode. This helps to reduce the real temperature difference between ceiling and floor so that the unit could run properly. If the unit is on-floor installed, 0 should be chosen. Range: 0 C, 2 C, 4...
  • Page 63 KFUF060-H2G1 A. Micro-switch SW1 is for selection of indoor fan stop temperature (TEL0) when it is in anti-cold wind action in heating mode. Range: 24 C, 15 C, 8 C , According to EEROM setting (reserved for special customizing). Setting fan speed TEL0+23- TE1 TEL0+18- TE1 TEL0+21- TE1...
  • Page 64 D.Micro-switch SW6 is for selection of temperature compensation in heating mode. This helps to reduce the real temperature difference between ceiling and floor so that the unit could run properly. If the unit is on-floor installed, 0 should be chosen. Range: 0 C, 2 C, 4...
  • Page 65 KDIP090-H2, KDIP012-H2, KDIP018-H2, KDIP24-H2 A. Micro-switch SW1 is for selection of indoor fan stop temperature (TEL0) when it is in anti-cold wind action in heating mode. Range: 24 C, 15 C, 8 C, according to EEROM setting (reserved for special customizing). Setting fan speed TEL0+23- TE1 TEL0+18- TE1...
  • Page 66 of installation is lower, smaller value could be chosen. Range: 6 C, 4 C, 2 C, E function (reserved for special customizing) D. Micro-switch S1 and dial-switch S2 are for address setting when you want to control this unit by a central controller.
  • Page 67 B. Micro-switch SW3 is for selection of auto-restart function. Range: Active, inactive C. Micro-switch SW5 is for setting the master or slave unit when the unit is in twin connection. Range: Master no slave (Normal 1 drive 1 connection), Master (2 positions without difference), Slave D.Micro-switch SW6 is for selection of temperature compensation in heating mode.
  • Page 68 E. Micro-switch S1 and dial-switch S2 are for address setting when you want to control this unit by a central controller. Range: 00-63 F. Dial-switch ENC1: The indoor PCB is universal designed for whole series units from 18K to 55K. This ENC1 setting will tell the main program what size the unit is.
  • Page 69: Outdoor Unit

    6.2 Outdoor Unit KSIE018-H220-O, KSIE024-H220-O...
  • Page 70 KSIE009-H221-O, KSIE012-H220-O...
  • Page 71 KSIR036-H218...
  • Page 72 KSIR048-H218, KSIR060-H218 PCB board of KSIE018-H220-O KSIE024-H220-O 290-330VDC standby 210-300VDC running connect to the DR module bridge connect to reactance connect to earth fuse 250V 30A [V1.8] 2015-01-16 CN22 R141 CN6-1 PTC1 DSA1 R154 N-IN R155 R153 power supply 208-230V AC connect to the terminal L-IN FUSE1 65T 250V30A...
  • Page 73 For KSIR036-H218 Connect to the Indoor evap.pipe out temp. sensor T2B-A、T2B-B、T2B-C、T2B-D、T2B-E external drive DC fan 6 5 4 3 2 1 motor connector Electric Expansion testPort Electric Expansion Electric Expansion Electric Expansion Electric Expansion external drive DC fan Value C external drive DC fan Value E Value B...
  • Page 74 For KSIE009-H221-O, KSIE012-H220-O LED101 status light (Red) Connect to DR module slow flicker:standby( 0.5Hz ) FUSE1 20A/250VAC Connect to reactor quick flicker:error( 2Hz ) continuous light: normally running power supply 17122000002718 CN1A CN10 DR_N DAS1 CN3_1 L3 L2 connect to earth power supply 208-230V AC connect to the terminal...
  • Page 75 For KSIR048-H218, KSIR060-H218 IPM board of KSIR036-H218 connect to DC fan motor TO MAIN 0VAC (standby) CN19 CN55 10-200VAC (running) EU-KFR105W/BP2T3N1-350(767).D.13.MP2-1 202302141237 IC17 IC11 R114 R107 IC12 IPM2 R111 IC16 CN57 R174 C103 R144 R147 R182 C102 R179 C101 CN57 R184 C106 R180...
  • Page 76: Fan Curves

    For KSIR048-H218, KSIR060-H218 7. Fan Curves Static Pressure ENC2 Range In. WG (Pa) Model 0.02 0.04 0.08 0.12 0.16 0-0.18 Model≤12 (10) (20) (30) (40) (0-45) 0.04 0.10 0.14 0.18 0.22 0-0.28 Model Model=18 (10) (25) (35) (45) (55) (0-70) (K Btu/h) 0.04 0.10...
  • Page 77 KDIR09-H2 Code 0 Code 1 Code 2 Code 3 Code 4...
  • Page 78 KDIR12-H2 Code 0 Code 1 Code 2 Code 3 Code 4...
  • Page 79 KDIR18-H2 Code 0 Code 1 Code 2 Code 3 Code 4...
  • Page 80 KDIR24-H2 Code 0 Code 1 Code 2 Code 3 Code 4...
  • Page 81 KDIP090-H2, Air volume m3/h(CFM) Air volume m3/h(CFM) 1200(706) 1200(706) 1100(647) 1100(647) 1000(588) 1000(588) 900(529) 900(529) 800(471) 800(471) 700(412) 700(412) 600(353) 600(353) Rated point 500(294) Rated point 500(294) 400(235) Limit 400(235) 300(176) 300(176) 200(118) Limit 200(118) 100(59) 100(59) (0.04) (0.08) (0.10) (0.12) (0.16) (0.20)
  • Page 82 KDIP012-H2 Air volume m3/h(CFM) Air volume m3/h(CFM) 1200(706) 1200(706) 1100(647) 1100(647) 1000(588) 1000(588) 900(529) 900(529) 800(471) 800(471) 700(412) 700(412) Rated point Rated point 600(353) 600(353) Limit 500(294) 500(294) 400(235) 400(235) Limit 300(176) 300(176) 200(118) 200(118) 100(59) 100(59) (0.12) (0.16) (0.20) (0.16) (0.04) (0.08)
  • Page 83 KDIP018-H2 Air volume m3 /h(CFM) Air volume m3 /h(CFM) 1800(1059) 1800(1059) 1700(1000) 1700(1000) 1600(941) 1600(941) 1500(882) 1500(882) 1400(823) 1400(823) 1300(765) 1300(765) 1200(706) Limit 1200(706) Limit 1100(647) 1100(647) 1000(588) 1000(588) Rated Point 900(529) Rated Point 900(529) 800(471) 800(471) 700(412) High 700(412) High 600(353) 600(353)
  • Page 84 KDIP24-H2 Air volume m3 /h(CFM) Air volume m3 /h(CFM) 2600(1529) 2600(1529) 2400(1412) 2400(1412) 2200(1294) 2200(1294) 2000(1176) 2000(1176) 1800(1059) 1800(1059) 1600(941) 1600(941) Rated Point Limit Rated Point Limit 1400(823) 1400(823) 1200(706) 1200(706) 1000(588) 1000(588) High High 800(471) 800(471) Middle Middle 600(353) 600(353) 400(235) 400(235)
  • Page 85 KDIR036-H2G1 Air volume m3 /h(CFM) Air volume m3 /h(CFM) 3600(2118) 3600(2118) 3400(2000) 3400(2000) 3200(1882) 3200(1882) 3000(1765) 3000(1765) 2800(1647) 2800(1647) 2600(1529) 2600(1529) 2500(1471) 2500(1471) 2400(1412) 2400(1412) 2200(1294) 2200(1294) 2000(1176) 2000(1176) Rated Point Rated Point 1800(1059) 1800(1059) 1600(941) 1600(941) Limit 1400(823) 1400(823) Limit High High...
  • Page 86 KDIR048-H2G1 Air volume m3 /h(CFM) Air volume m3 /h(CFM) 4200(2471) 4200(2471) 4000(2353) 4000(2353) 3800(2235) 3800(2235) 3600(2118) 3600(2118) 3400(2000) 3400(2000) 3200(1882) 3200(1882) 3100(1824) 3100(1824) 3000(1765) 3000(1765) 2800(1647) 2800(1647) 2600(1529) 2600(1529) 2400(1412) Rated Point 2400(1412) Rated Point Limit 2200(1294) 2200(1294) 2000(1176) 2000(1176) 1800(1059) Limit 1800(1059)
  • Page 87 KDIS060-H2G1 Air volume m3/h(CFM) Air volume m3/h(CFM) 4600(2706) 4600(2706) 4400(2588) 4400(2588) 4200(2471) 4200(2471) 4000(2353) 4000(2353) 3800(2235) 3800(2235) 3600(2118) 3600(2118) 3400(2000) 3400(2000) 3200(1882) 3200(1882) 3000(1765) Rated Point Rated Point 2800(1647) 3000(1765) 2800(1647) 2600(1529) 2600(1529) 2400(1412) 2400(1412) 2200(1294) 2200(1294) 2000(1176) Limit Limit 2000(1176) 1800(1059) High...
  • Page 88: Electric Characteristics

    253V KTIR18-H2 208-230V 187V 253V 208-230V 187V 253V KTIR24-H2 KTIR036-H2G1 208-230V 187V 253V KTIR048-H2G1 208-230V 187V 253V 208-230V 187V 253V KDIR09-H2 208-230V 187V 253V KDIR12-H2 208-230V 187V 253V KDIR18-H2 KDIR24-H2 208-230V 187V 253V 208-230V 187V 253V KDIR036-H2G1 208-230V 187V 253V...
  • Page 89: Sound Level

    9 Sound Level 9.1 Indoor unit Concealed Duct Type Discharge Suction Duct Duct 1.4m Microphone Noise level dB(A) Model KDIR09-H2 KDIR12-H2 KDIR18-H2 KDIR24-H2) KDIP090-H2 KDIP012-H2 KDIP018-H2 KDIP24-H2 KDIR036-H2G1 KDIR048-H2G1 KDIS060-H2G1...
  • Page 90 1.4m Microphone Noise level dB(A) Model KTIR09-H2 KTIR12-H2 KTIR018-H2 KTIR24-H2 KTIR036-H2G1 KTIR048-H2G1...
  • Page 91 Noise level dB(A) Model KUIR24-H2 KFUF036-H2G1 KFUF048-H2G1 KFUF060-H2G1...
  • Page 92: Outdoor Unit

    9.2 Outdoor unit Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Model Noise Level dB(A) KSIE009-H221-O KSIE012-H220-O KSIE018-H220-O KSIE024-H220-O KSIR036-H218 KSIR048-H218 KSIR060-H218...
  • Page 93: Accessories

    10 Accessories Duct Units Name Shape Quantity Soundproof / insulation sheath Tubing & Fittings Binding tape Seal sponge Drain joint Drainpipe Fittings (for cooling & heating) Seal ring Wired controller & Its Frame Wired controller Owner's manual Others Installation manual Magnetic ring (twist the electric wires L EMS &...
  • Page 94 Mounting screw(ST2.9×10-C-H) Remote controller manual Alkaline dry batteries (AM4) Owner's manual Others Installation manual Installation accessory Expansible hook (The product you have might not be provided the Installation hook following accessories Orifice Console Units Name Shape Quantity Installation fittings Hook Remote controller Remote controller &...
  • Page 95: The Specification Of Power

    11. The Specification of Power Type 9K-18K Phase 1-phase 1-phase Power Frequency and Voltage 208-230V, 60Hz 208-230V, 60Hz Circuit Breaker/ Fuse (A) 25/20 25/20 Indoor Unit Power Wiring 3-core cable 3-core cable Outdoor Unit Power Wiring (14AWG) (14AWG) 4-core cable 4-core cable (16AWG) (16AWG)
  • Page 96 12 Field Wiring 9K~24K 36K, 48K...
  • Page 98: Installation Details

     There is enough room for installation and mounted plug Model maintenance.  The air outlet and the air inlet are not KDIR09-H2 impeded, and not face the strong wind. KDIR12-H2 29.13 13.78  It is easy to install the connecting pipes and cables.
  • Page 99 48.82 19.69 them using the washers and nuts provided. KDIP090-H2/ KDIP012-H2 29.2 14.2 KDIP018-H2 36.22 1140 KDIP24-H2 44.88 23.54 1400 KDIR036-H2G1 55.12 23.54 1240 KDIR048-H2G1 48.82 27.44 9. Mount the indoor unit onto the hanging 13.2.1.3 Hang indoor unit screw bolts with a block. Position the 1.
  • Page 100 5.Please refer to the following static pressure to capacity has been set in the install. factory, anyone can’t adjust it 10.5 Model Static Pressure(Pa) except the KDIR09-H2 KDIR12- 0-45 qualified person KDIR18-H2 0-70 2. Network address set KDIR24-H2 0-100 Every air-conditioner in network has only one KDIP018-H2...
  • Page 101 2.Change the mounting positions of ventilation panel and air return flange . 3. When installing the filter mesh, fit it into the flange inclined from air return opening, and 3. When installing the filter mesh, fit it into the then push up. flange as illustrated in the following figure.
  • Page 102 Face the concave side of the installation hooks toward the expansible hooks. Determine the length of the installation hooks from the height of ceiling, then cut off the unnecessary part. If the ceiling is extremely high, please determine the length of the installation hook depending on the real situation.
  • Page 103 Locate the air conditioner firmly by wrenching the nuts after having adjusted the body's position well. Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water. 13.2.2.5 Install the panel Remove the grille Hang the air-in grill to the panel, then connect the lead terminator of the swing motor and that control...
  • Page 104 13.2.3.2 Install the main body Fix the hook with tapping screw onto the  wall Capacity (Btu/h) 18K / 24K inch 38.70 8.66 Hang the indoor unit on the hook.  1200 (The bottom of body can touch with floor or inch 47.24 8.66...
  • Page 105 13.2.4.4 Install the main body ② Wall-mounted installation ① Ceiling installation (The only installation Hang the indoor unit by insert the tapping method for the unit with drain pump) screws into the hanging arms on the main unit. Remove the side board and the grille. (The bottom of body can touch with floor or suspended, but the body must install vertically.) 13.2.5...
  • Page 106 Adjust the position to ensure the gaps between >275 inch 9.65 >10.83 the body and the four sides of ceiling are even. >317 The body's lower part should sink into the inch 11.30 >12.48 ceiling for 10~12 mm. In general, L is half of the screw length of the installation hook.
  • Page 107 Note: The panel shall be installed after the wiring connected. Hang the panel to the hooks on the mainbody. If 13.2.6 HESP duct indoor unit installation the panel is with auto-lift grille, please watch the 13.2.6.1 Service space for indoor unit ropes lifing the grille, DO NOT make the ropes enwinded or blocked.
  • Page 108: Outdoor Unit Installation

    13.3 Outdoor unit installation 13.3.1 Service space for outdoor unit (Wall or obstacle) More than 30cm(11.81in) Air inlet More than 30cm (11.81in) Maintain channel 13.2.6.4 Install the main body More than 60cm Air inlet (23.62in) Make the 4 suspender through the 4 hanger of Air outlet More than 200cm(78.74in) the main body to suspend it.
  • Page 109: Refrigerant Pipe Installation

    Do not lean it more than 45, and do not lay it sidelong. Make concrete foundation according to the Lean Crude Burr specifications of the outdoor units. Fasten the feet of this unit with bolts firmly to prevent it from collapsing in case of earthquake or strong wind.
  • Page 110 For horizontal refrigerant pipe, the distance  between supporters should not be exceed For vertical refrigerant pipe, the distance  between supporters should not be exceed 1.5m. Connect the pipe to indoor unit and outdoor unit by using two spanners. Be sure to use two spanners and proper ...
  • Page 111 2. Air Purging Using Refrigerant Procedure Procedure: 1). Connect the charge hose to the 3-way 1). Confirm that both the 2-way and 3-way service port and open the 2-way and 3-way valves are set to the closed position. valve. 2). Connect the charge set and a charging Connect the charge hose to the valve at the cylinder to the service port on the 3-way valve.
  • Page 112 Procedure Procedure: 1). Confirm that both the 2-way and 3-way 1). Confirm that both the 2-way and 3-way valves are open. valves are closed. Remove the valve stem caps and confirm that 2). Connect the charge set and a charging the valve stems are open.
  • Page 113: Drainage Pipe Installation

    the check valve on the charge set (be careful of the liquid refrigerant). 3) Place the charging cylinder onto the electronic scale and record the weight. 4). Open the valves (Low side) on the charge set and charge the system with liquid refrigerant If the system cannot be charged with the specified amount of refrigerant, or can be charged with a only a small amount at a time...
  • Page 114 intersection with other pipelines and ensure for confluence PVC50 1440 pipe slope is straight. PVC63 2760 Drainage pipe selection PVC75 5710 The drainage pipe diameter shall not small  PVC90 8280 than the drain hose of indoor unit Attention: Adopt PVC40 or bigger pipe to be the According to the water flowrate and ...
  • Page 115 The false installation will cause converse  Blowhole water flow and the slope of the branch pipe Indoor unit Indoor unit cannot be adjusted. Plug Plug Water storage pipe setting If the indoor unit has high extra static  pressure and without water pump to elevate the condensate water, such as high extra static pressure duct unit , the water storage pipe should be set to avoid...
  • Page 116: Vacuum Drying And Leakage Checking

    Continuously infusing water until water level alarmed, check whether the drainage pump could discharge water at once. If water level does not decline under warning water level 3 minutes later, it shall cause shutdown of unit. When this situation happens, the normal startup only can be recovered by turning down power supply and eliminating accumulated water.
  • Page 117: Additional Refrigerant Charge

    namely ordinary vacuum drying and special Procedures of special vacuum drying are as vacuum drying. follows: Vacuum drying for 1 hour.  Ordinary vacuum drying Vacuum damage, filling nitrogen to reach  When conduct first vacuum drying, connect  0.5Kgf/cm2 . pressure gauge to the infusing mouth of Because nitrogen is dry gas, vacuum gas pipe and liquid pipe, and keep vacuum...
  • Page 118: Engineering Of Insulation

    Refrigerant may only be charged after The burning performance should over   performed the vacuum drying process. 120℃ Always use gloves and glasses to protect  According to the local law to choose  your hands and eyes during the charge insulation materials work.
  • Page 119: Engineering Of Electrical Wiring

    Do not use metal wire tube at the place with  The temperature of condensate drainage water acid or alkali corrosion, adopt plastic wire is very low. If insulation is not enough, it shall tube to replace it. form dew and cause leakage to damage the There must be not wire connect joint in the ...
  • Page 120 Whether the drainage is normal.  Whether there is vibration or abnormal  noise during operation. Outdoor unit Whether there is vibration or abnormal  noise during operation. Whether the generated wind, noise, or  condensed of by the air conditioner have influenced your neighborhood.
  • Page 121: Operation Characteristics

    14. Operation Characteristics Temperature Cooling operation Heating operation Drying operation Mode 0℃~30℃ 10℃~32℃ Room temperature 17℃~32℃(62℉~90℉) (32℉~86℉) (50℉~90℉) 0℃~50℃ (32℉~122℉) Outdoor temperature -15℃~30℃ (-15℃~50℃(5℉~122℉):For (Entry level) (5℉~86℉) the models with low temperature 0℃~50℃ cooling system) (32℉~122℉) Outdoor temperature -25℃~30℃ -25℃~50℃(-13℉~122℉) (E-Star level) (-13℉~86℉) Outdoor temperature...
  • Page 122: Electronic Function

    15. Electronic Function 15.1 Abbreviation T1: Indoor room temperature 15.2.5 Icon explanation on indoor display board T2: Coil temperature of indoor heat exchanger (Ceiling Floor) T3: Coil temperature of condenser T4: Outdoor ambient temperature T5: Compressor discharge temperature Td: Target temperature 15.2 Display function 15.2.1 Icon explanation on indoor display board (Duct)
  • Page 123 off and restart 30s later, if protection happened The Inverter module has a protection function 3 times when fan motor restarts continuously, about current, voltage and temperature. If these the unit will stop and the LED will display the protections happen, the corresponding code failure.
  • Page 124: Operation Modes And Functions

    ---4°C(39.2°F)≤T2≤7°C(44.6°F), Setting fan T1-Td ℃(°F) Actual fan speed speed compressor will keep the current frequency. H+(H+=H+G) 4.5(8.1) ---T2>7°C(44.6°F), the compressor frequency H(=H) 3.0(5.4) will not be limited. 1.5(2.7) H-(H-=H-G) M+(M+=M+Z) 4.5(8.1) M(M=M) 3.0(5.4) 15.4 Operation Modes and Functions 1.5(2.7) M-(M-=M-Z) L+(L+=L+D) 4.5(8.1) 15.4.1 Fan mode...
  • Page 125 T1-Td+1.5°C(34.7°F) 0.0°C(0°F) (H+-L)*0.2+L -1°C(-1.8°F) TEstop (H+-L)*0.4+L -2°C(-3.6°F) Decrease TEdown -3°C(-5.4°F) (H+-L)*0.6+L -4°C(-7.2°F) Hold (H+-L)*0.8+L -5°C(-9°F) TEH2 Resume -6°C(-10.8°F) -6.5°C(-11.7°F) 15.4 .3.3 Defrosting mode Off: Compressor stops. If any one of the following items is satisfied, AC Decrease: Decrease the running frequency to will enter the defrosting mode.
  • Page 126 15.4.6.1 Timing range is 24 hours. failure, the module memorizes the setting 15.4.6.2 Timer on. The machine will turn on conditions before the power failure. The unit will automatically when reaching the setting time. resume the previous operation setting (not 15.4.6.3 Timer off.
  • Page 127 15.4.11 Drain pump control Adopt the water-level switch to control the action of drain pump. Main action under different condition :( every 5 seconds the system will check the water level one time) 1. When the A/C operates with cooling (including auto cooling), dehumidifying, and forced cooling mode, the pump will start running immediately and continuously, till stop...
  • Page 128 15.4.12 Point check function Press the LED DISPLAY or LED or MUTE button of the remote controller three times, and then press the AIR DIRECTION or SWING button three times in ten seconds, the buzzer will keep ring for two seconds.
  • Page 129 Enquiry Display value Meaning Remark information T1,T2,T3,T4, -1F,-1E,-1d,-1c,- -25,-24,-23,-22,-21,-2 1. All the displaying temperature is actual T2B,TP,TH, 1b,-1A value. Targeted 2. All the temperature is °C no matter what -19—99 -19—99 Frequency, kind of remote controller is used. A0,A1,…A9 100,101,…109 Actual 3.
  • Page 130: Troubleshooting

    16. Troubleshooting Safety Electricity is stored in capacitors, even when the power supply is shut off. Do not forget to discharge the electricity in the capacitors. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) For other models, For other models, connect a discharge resistor (approx.100Ω 40W) or a soldering iron plug between the + and - terminals of the electrolytic capacitor on the opposite side of the outdoor printed circuit board (PCB).
  • Page 131 16.1 Indoor Unit Error Display Operation Timer lamp Display LED STATUS lamp ☆ 1 time Indoor unit EEPROM parameter error Communication malfunction between indoor and ☆ 2 times outdoor units ☆ 4 times Indoor fan speed malfunction ☆ 5 times Indoor room temperature sensor (T1 ) malfunction ☆...
  • Page 132: Error Display On Two Way Communication Wired Controller

    16.2 Error Display on Two Way Communication Wired Controller Display LED STATUS Communication error between wired controller and indoor unit The cassette faceplate is abnormal Indoor unit EEPROM parameter error Communication malfunction between indoor and outdoor units Indoor fan speed malfunction Indoor room temperature sensor (T1 ) malfunction Evaporator coil temperature sensor (T2) malfunction Refrigerant leakage detection...
  • Page 133: Outdoor Unit Error Display

    16.3 Outdoor unit error display For 9K-24K outdoor unit: LED2 LED1 Problems IU display (Green) (Red) standby for normal Operation normally Compressor drive board EEPROM error ☆ IPM malfunction or IGBT over-strong current protection ☆ Over voltage or too low voltage protection Inverter compressor drive error ☆...
  • Page 134 For 36K-60K Outdoor Unit Problems Error Code Communication malfunction between indoor and outdoor units Current overload protection Outdoor ambient temperature sensor (T4 ) malfunction Condenser coil temperature sensor (T3) malfunction Compressor discharge temperature sensor (T5) malfunction Outdoor unit EEPROM parameter error Outdoor fan speed malfunction Inverter module (IPM) malfunction Over-voltage or under-voltage protection...
  • Page 135 will show “-9”.If the temp. is higher than 70 degree, the Outdoor ambient temp.(T4) digital display tube will show “70”. If the indoor unit is not connected, the digital display tube will show: “――” The display value is between 13~129 degree. If the temp. is lower than 13 degree, the digital display tube will show “13”.If the temp.
  • Page 136 connected, the digital display tube will show: “――” Actual data*HP*10 1# Indoor unit capacity demand code If capacity demand code is higher than 99, the digital display tube will show single digit and tens digit. (For example, the 2# Indoor unit capacity demand code digital display tube show “5.0”,it means the capacity demand is 15.
  • Page 137 16.4 Diagnosis and Solution 16.4.1 EEPROM parameter error diagnosis and solution (E0/F4) E0/F4 Error Code Malfunction conditions Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip. Potential causes Installation mistake ● Faulty PCB ● Trouble shooting: Power off, then restart the unit 2 minutes later.
  • Page 138 16.4.2 Communication malfunction between indoor and outdoor units diagnosis and solution (E1) For 9K-24K: Error Code Malfunction conditions If the indoor unit does not receive feedback from outdoor unit for 110 seconds 4 consecutive times. Potential causes Wiring mistake ● Faulty indoor or outdoor PCB ●...
  • Page 139 Remark: Use a multimeter to test the DC voltage between 2 port and 3 port of outdoor unit. The red pin of multimeter connects with 2 port while the black pin is for 3 port. When AC is normal running, the voltage will move alternately between -50V to 50V.
  • Page 140 For 36K-48K: Malfunction Indoor unit does not receive feedback from outdoor unit for 60 conditions seconds OR outdoor unit does not receive feedback from indoor unit for 120 seconds. Possible causes ● Wiring mistakes ● Faulty indoor or outdoor PCB E1 displayed E1 displayed Communication malfunction between indoor...
  • Page 141 16.4.3 Fan speed malfunction diagnosis and solution (E3/F5) E3/F5 Error Code Malfunction conditions When indoor fan speed is too low (300RPM) for a certain period of time, the unit ceases operation and the LED displays a failure code. Potential Causes Wiring mistake ●...
  • Page 142 Index 1: 1. Indoor or outdoor DC fan motor (Control Chip is in Fan Motor) Turn power on and while the unit is on standby, measure the voltage between pin1 and pin3 as well as between pin4 and pin3 in fan motor connector. If the value of the voltage is not within the range shown in the following table, the PCB may be experiencing problems and need to be replaced.
  • Page 143 16.4.4 Open or short circuit of temperature sensor diagnosis and solution (E4/E5/F1/F2/F3) E4/E5/F1/F2/F3 Error Code Malfunction conditions If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays a failure. Potential causes Wiring mistake ● Faulty sensor ●...
  • Page 144 16.4.5 Refrigerant Leakage Detection diagnosis and solution (EC) Error Code Malfunction conditions Define the evaporator coil temperature T2 of the compressor starts running as Tcool. If the following occurs 3 times, the display shows "EC" and the unit switches off: In the first 8 minutes after the compressor starts up, if T2 <...
  • Page 145: Diagnosis And Solution

    Water-level alarm malfunction 16.4.6 diagnosis and solution Error Code Malfunction conditions If the sampling voltage is not 5V, the LED will display the failure code. Possible causes ● Wiring mistakes ● Faulty water-level switch ● Faulty water pump ● Faulty indoor PCB Power off, then restart the unit 3 minutes Power off, then restart the unit 3 minutes later.
  • Page 146 16.4.7 IPM malfunction or IGBT over-strong current protection diagnosis and solution (P0) Error Code Malfunction When the voltage signal the IPM sends to the compressor drive conditions chip is abnormal, the display LED shows “P0” and the AC turn Possible causes off.
  • Page 149 16.4.8 Over-voltage or under-voltage protection diagnosis and solution (P1) Error Code Malfunction conditions Abnormal increases or decreases in voltage are detected by checking the specified voltage detection circuit. Potential causes Power supply issues ● System leakage or blockage ● Faulty PCB ●...
  • Page 150 16.4.9 High temperature protection of compressor top diagnosis and solution (P2) Error Code Malfunction decision If the sampling voltage is not 5V, the LED will display the failure. conditions Power supply problems. ● Supposed causes System leakage or block ● PCB faulty ●...
  • Page 151 High temperature protection of IPM board diagnosis and solution (P2) High temperature protection of IPM High temperature protection of IPM board board Check whether the radiator Check whether the radiator Fix the radiator well Fix the radiator well is fixed well ? is fixed well ? Check whether electronic Check whether electronic...
  • Page 152 16.4.10 Inverter compressor drive error diagnosis and solution(P4) Error Code Malfunction conditions Abnormalities in the inverter compressor drive is detected by a special detection circuit, which can perform communication signal detection, voltage detection, and compressor rotation speed signal detection. Potential causes Wiring mistake ●...
  • Page 153 16.4.11 Outdoor IPM module temperature sensor malfunction diagnosis and solution (P7) Error Code Malfunction conditions If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays a failure. Potential causes Wiring mistake ● Faulty sensor ● Faulty PCB Trouble shooting: ●...
  • Page 154 16.4.12. J0 Malfunction Malfunction conditions When evaporator coil temperature is more than 60°C, the unit stops. It starts again only when the evaporator coil temperature is less than 54°C Possible causes Faulty evaporator coil temperature sensor   Dirty heat exchanger Faulty fan ...
  • Page 155 16.4.13. J1 Malfunction Malfunction conditions When the outdoor pipe temperature is more than 65°C, the unit stops. It starts again only when the outdoor pipe temperature is less than 52°C. Possible causes ● Faulty condenser temperature sensor ● Dirty heat exchanger ●...
  • Page 156 16.4.14. J2 Malfunction Malfunction conditions When the compressor discharge temperature (T5) is more than 115℃ for 10 seconds, the compressor will stop and not restart until T5 is less than 90℃. Possible causes ● Refrigerant leakage ● Wiring mistake ● Faulty discharge temperature sensor ●...
  • Page 157 16.4.15. J3 Malfunction Malfunction decision conditions When the voltage signal that IPM send to compressor drive chip is abnormal, the display LED will show “J3” and AC will turn off. Supposed causes ● Wiring mistake ● Faulty IPM board ● Faulty outdoor fan ass’y ●...
  • Page 158 16.4.16. J4 Malfunction J4 displayed J4 displayed Communication error between outdoor main Communication error between outdoor main chip and compressor driven chip chip and compressor driven chip Is there at least one LED in the Is there at least one LED in the compressor driven chip light? compressor driven chip light? Check the signal wire between the...
  • Page 159 16.4.17. J5 Malfunction Malfunction conditions If the sampling voltage is not 5V, the LED displays a failure code. Possible causes Wiring mistakes ● Faulty overload protector ● System blockages ● Faulty outdoor PCB ● J5 displayed J5 displayed High pressure protection High pressure protection Are the high pressure Connect high pressure...
  • Page 160 16.4.18. J6/P6 Malfunction Malfunction conditions If the sampling voltage is not 5V, the LED displays a failure code. Possible causes Wiring mistake ● Faulty over load protector ● System blockages ● Faulty outdoor PCB ● J6 displayed J6 displayed Low pressure protection Low pressure protection Are the low pressure Reconnect the low pressure...
  • Page 161 16.4.19. J8 malfunction Malfunction decision An abnormal voltage rise or drop is detected by checking the specified conditions voltage detection circuit. Supposed causes Abnormal power supply  Wiring mistake  Faulty bridge rectifier  Faulty IPM board ...
  • Page 162 J8 display J8 display AC power input voltage AC power input voltage protection protection Check whether the power Restart the unit when the power Check whether the power Restart the unit when the power voltage is normal. supply gets normal voltage is normal.
  • Page 163: Main Parts Check

    16.5 Main parts check 1. Temperature sensor checking Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor discharge temp.(T5) sensor. Measure the resistance value of each winding by using the multi-meter.
  • Page 164 Appendix 1 Temperature Sensor Resistance Value Table for T1,T2,T3,T4 (℃--K) K Ohm K Ohm K Ohm K Ohm ℃ ℉ ℃ ℉ ℃ ℉ ℃ ℉ 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865...
  • Page 165 Appendix 2 Temperature Sensor Resistance Value Table for T5,TH (℃--K) K Ohm K Ohm K Ohm K Ohm ℃ ℉ ℃ ℉ ℃ ℉ ℃ ℉ 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392 430.5 57.37...
  • Page 166 Appendix 3: 10 11 12 13 14 15 16 17 18 19 20 21 22 ℃ 48 50 52 54 56 58 60 62 64 66 68 70 72 ℉ 23 24 25 26 27 28 29 30 31 32 33 34 35 ℃...
  • Page 167 2. Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value ATF310D43UMT ATQ420D1UMU ATM115D43UFZ2 ASN98D22UFZ ASM135D23UFZ ATF235D22UMT ATF250D22UMT Blue - Blue - 1.57Ω 1.75 Ω 0.75 Ω 0.75 Ω 0.65 Ω 0.38Ω 1.87Ω Black Red - Blue...
  • Page 168 3. IPM continuity check Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital tester to measure the resistance between P and UVWN; UVW and N. Digital tester Normal resistance value Digital tester Normal resistance value (+)Red...
  • Page 169 Heating Chart: HEATING MODE Outdoor temp. Indoor ℉ (℃) Temp. 57 (13.89) 47 (8.33) 37 (2.78) (-2.78) (-8.33) 30.3 28.5 25.3 22.8 20.8 32.5 30.0 26.6 25.4 23.3 33.8 31.5 27.8 26.3 24.9 3.03 2.85 2.53 2.28 2.08 3.25 3.00 2.66 2.54 2.33...
  • Page 170: Disassembly Instructions

    17. Disassembly Instructions Note: This part is for reference, the photos may have slight difference with your machine. 17.1 Indoor unit KDIRDuct Unit  Parts name Procedures Remarks Remove the 1) Screw off the screws to electronic remove the cover of control box electronic control box Four screws...
  • Page 171 3)Move the display board according to the arrow direction to disassemble Remove the 1) Remove the cover of Repeat the operation of step1 of No1 electronic control box Pull out all the plugs or connectors connected to the PCB and remove the ground wire after remove the screw.
  • Page 172 Remover 1) Screw off the fixing the fan screws to remove the motor rear cover board Rear cover board 5 screws 2) Screw off the fixing screws to remove the Rear beam rear beam Total four screws at the left side and right side 3) Remove room Cut off the fastening temperature sensor...
  • Page 173 Remove the 1) Remove the rear cover Repeat the operation of step1 of No.5 water board collector 2) Screw off the screws to 4 screws assembly remove the water collector assembly 3 screws 3 screws 3 screws Water collector assembly Remove the 1) Remove the water Repeat the operation of No.6...
  • Page 174 4) Remove the evaporator support board 4 screws 5) Screw off the fixing screws to remove the evaporator 1 screw...
  • Page 175 Cassette Unit  Parts name Procedures Remarks Remove the 3) Open the grille filter Grill switch 4) Remove the filter Note: the filter is easy to be damaged, be careful when removing it. Remove the 4) Open the grille Repeat the operation of step1 of No.1 panel 5) Remove the grille Screw off two screws.
  • Page 176 board 3) Disassemble the display board Remove the display  4 screws board cover(4 screws) Remove the display  board(4 screws) 4 screws Remove the 1) Remove the panel Repeat the operation of step1,2,3 of No.2 swing 2) Screw off 3 screws to motor remove the swing motor assy.
  • Page 177 3) Pull out all the Indoor fan Pump connection wires to other Water lever Temp. sensors parts, then the PCB can be replaced. Swing motor Power Input Display board 4) There are 2 buckles fixing the PCB. To draw out the PCB, you should open them.
  • Page 178 wheel 2) Remove the ventilation ring Release the 4 screws to disassemble it. 4 screws 3) Remove the fixing nut to disassemble the fan wheel 4) Pull out the fan wheel Remove the 1) Repeat the operation of fan motor No.6 2) Remove the fixing board of fan motor wire...
  • Page 179 3) Remove the 5 screws to disassemble the fan motor 5 screws Remove the 6) Remove the panel Repeat the operation of No.2 water 7) Remove the electronic Repeat the operation of No.6 collecting control box assembly 8) Screw off the 4 screws inside 4 holes (1 is under a protection cover) to remove the water...
  • Page 180 5) Release 2 screws to remove the pump supporter. Be careful of the connection wires. 6) There are 2 screws under the supporter to fixing the pump. Release them to take the pump out of the supporter. Remove the 1) Remove the water Repeat the operation of No.9 evaporator collecting assembly...
  • Page 181 4) Remove the evaporator fixing clamps to disassemble the evaporator. Fixing clamps 1 screw...
  • Page 182 KDIP Duct  Unit Parts name Procedures Remarks Remove the 6) Screw off the screws to electronic remove the cover of control box electronic control box Five screws 7) Disconnect the fan motor Plug of room temperate sensor wire, room temperature and evaporator sensor wire and temperature sensor...
  • Page 183 10) Remove the PCB from the electronic control Press the two fixing holders to remove the Remove the 6) Remove the cover of Repeat the operation of step1 of No1 reactance electronic control box 7) Disconnect the reactance wire Reactance wire 8) Screw off the screw to remover it...
  • Page 184 Remover 9) Screw off the fixing the fan screws to remove the motor rear cover board 10 screws Rear cover board 10) Remove the volute shell Press Press the clips to take off the volute shell 11) Remove the fan motor Refer the operation of step2 of No.1 wire from the electronic control box...
  • Page 185 Water collector assembly Remove the 10) Remove the water Repeat the operation of No.6 evaporator collector 11) Remove the evaporator sensor Evaporator sensor 12) Remove the pipe clamp board 2 screws 13) Remove the evaporator support board 4 screws 14) Screw off the fixing screws to remove the evaporator 1 screw...
  • Page 186 KSIE009-H221-O  Part name Procedures Remarks Panel plate How to remove the panel Screws of top panel (3 screws,1 screws is under the big handle) plate. 3 screw of Stop operation of the big handle air conditioner and turn “OFF” the power breaker. Remove the big handle first,then remove the top cover (3 screws)
  • Page 187 panel plate following ○ procedure 1. 2) Remove the nut fixing the fan, and remove the fan. 3) After remove the top cover .Unfix the hooks and ○ then open the electronic control box cover. T3,T4,T5 sensor Electronic expansion valve 4) Disconnect the connector for fan motor Motor...
  • Page 188 5) Remove the four fixing screws of the fan motor, then remove the motor. ④ ○...
  • Page 189 Electrical How to remove the parts electrical parts. After finish work of item 1 and item 2, remove the connector for the compressor . ○ Pull out the two blue wires connected with the four way valve. ○ ○ 3) Pull out connectors of the condenser coil temp.
  • Page 190 4) Disconnect the electronic expansion valve ④ wire from the control board 5) Remove the ground wires . ○ ○ 6) Remove the wires(1,2,3). 7) Then remove the electronic control box.
  • Page 191 Four-way How to remove the valve The picture of four-way valve may be different from four-way valve. the one on your side. ④ 1)Perform work of item ○ 1,3. 2)Recover refrigerant from the refrigerant circuit. 3)Remove the screw of the coil and then remove the coil.
  • Page 192  KSIE012-H220-O Part name Procedures Remarks Panel plate How to remove the panel plate. Screws of top panel (3 screws, 1 screw is under the big handler) 1) Stop operation of the air conditioner and 3 screws turn “OFF” the power of the big handler breaker.
  • Page 193 ○ Fan ass’y How to remove the fan ass’y. 1) After remove the panel plate following procedure 1, remove the hex nut fixing the fan and then remove the fan. ○ 2) Unfix the hooks and then open the electronic compressor T3,T4,T5 sensor control box cover.
  • Page 194 3) Disconnect the connector for fan motor from the electronic control ○ board. ○ 4) Remove the four fixing screws of the fan motor. Then remove the fan motor. Electrical How to remove the parts ○ electrical parts. 1) After finish work of item 1 and item 2, remove the connectors for the compressor.
  • Page 195 ○ 3) Pull out connectors of the condenser coil temp. sensor(T3),outdoor ambient temp. sensor(T4) and discharge temp. sensor(T5). 4) disconnect the ○ electronic expansion valve wire 5) Remove the ○ ○ grounding screw. 6) Remove the Wires (1,2,3). Then remove the electronic control box.
  • Page 196 Four-way How to remove the valve The picture of four-way valve may be different from four-way valve. the one on your side. ○ ○ 1) Perform work of item1,3. 2) Recover refrigerant from the refrigerant circuit. 3) Remove the screw of the coil and then remove the coil.
  • Page 197 KSIE018-H220-O  Part name Procedures Remarks Panel plate How to remove the panel plate. 1) Stop operation of 3 screws of top panel the air conditioner and turn “OFF” the power breaker. 3 screws of big handle 9 screws of front panel 2) Remove the top panel(3 screws).
  • Page 198 Fan ass’y How to remove the fan ass’y. ○ 1) After remove the panel plate following procedure 1, remove the hex nut fixing the fan and then remove the fan. ○ 2) After remove the top cover . Unfix the hooks and then open the electronic control box cover.
  • Page 199 ○ 3) Disconnect the connector for fan motor from the electronic control board. ○ 4) Remove the four fixing screws of the fan motor. Then remove the fan motor. Electrical How to remove the parts ○ electrical parts. 1) After finish work of item 1 and item 2, remove the connectors for the compressor and reactor.
  • Page 200 ○ 2) Pull out the two blue wires connected with the four way valve. ○ 3) Pull out connectors of the condenser coil temp. ○ sensor(T3),outdoor ambient temp. sensor(T4) and discharge temp. sensor(T5). 4) disconnect the electronic expansion valve wire ○...
  • Page 201 ○ 6) Remove the grounding screw. 7) Remove the Wires (1,2,3 or L1,L2,S).Then remove the electronic control box. ⑥ ○...
  • Page 202 Four-way How to remove the valve The picture of four-way valve may be different from four-way valve. the one on your side. 1) Perform work of ④ ○ item1,3. 2) Recover refrigerant from the refrigerant circuit. 3) Remove the screw of the coil and then remove the coil.
  • Page 203 KSIE024-H220-O, KSIR036-H218  Part name Procedures Remarks Panel plate How to remove the panel 4 screws of big handle plate. Screws of top panel(3screws,1screws is under the big handle) 1) Stop operation of the air conditioner and turn “OFF” the power breaker. Screws of big handle (3 screws)
  • Page 204 Fan ass’y How to remove the fan ass’y. Electronic control box 1) After remove the panel plate following procedure 1 compressor ○ 2) Remove the nut fixing the fan,and remove the fan. ○ 3) Unfix the hooks and remove the screws, then open the electronic control box cover.
  • Page 205 Compressor T3,T4,T5,sensor Pressure switch wire ○ 4) Disconnect the connector for fan motor Motor wire Electronic expansion 4 way valve from the electronic control ○ board. 5) Remove the four fixing screws of the fan motor, then remove the motor. ○...
  • Page 206 Electrical How to remove the parts ○ electrical parts. 1) After finish work of item 1 and item 2, remove the connector for the compressor ○ 2) Pull out the two blue wires connected with the four way valve. 3) Pull out connectors of ○...
  • Page 207 ○ 4)Disconnect the pressure switch connector. ○ 5) Disconnect the electronic expansion valve wire from the control board ○ ○ 6) Remove the ground wires . 7) Remove the wires(1,2,3 or L1,L2,S). Then remove the electronic control box.
  • Page 208 Four-way How to remove the valve The picture of four-way valve may be different from four-way valve. the one on your side. 1) Perform work of item 1,3. 2) Recover refrigerant from the refrigerant circuit. 3) Remove the screw of the coil and then remove the coil.
  • Page 209 KSIR048-H218, KSIR060-H218  Part name Procedures Remarks Fan ass’y How to remove the fan ass’y. 1) Stop operation of the air conditioner and turn “OFF” the power breaker. 2) Remove the screws of air outlet grille(8 screws) 3) Remove the hex nut fixing the fan.
  • Page 210 6) Remove the screws of right front side panel, and remove the right front side panel (1 screw) ⑥ 7) Disconnect the fan motor connectors FAN1(3p,white) and FAN2(3p,white) from DC motor ⑦ driver board. ⑧ 8) Remove the fan motor after unfastening fixing screws.
  • Page 211 1) Remove two screws of terminal board and seven screws of right-rear panel, Screws of right-rear panel and remove the right-rear panel. Electrical How to remove the electrical parts parts. 1) Perform work of item 1 step 5~6 and item 2. IPM board DC Fan PCB board...
  • Page 212 4) Remove the screws fixing the IPM board and remove the IPM board. Disconnect the connectors and wires connected from PCB and other parts. Connectors: CN8: Discharge temperature sensor CN1/CN3 (2p,white) CN12:Heatsink temperature sensor(2p,red) CN9:T3/T4 temperature sensor (2p/2p,white) CN15: Electronic expansion valve (6p,red) CN10: High and low pressure switch (2p/2p, white)
  • Page 213 6) Disconnect the grounding wire (yellow-green) after ⑥ removing the big handle. Remove the PCB board. Compressor How to remove the compressor. 1) Perform work of item 1 step 5~6 and item 2.. 2) Extract refrigerant gas. 3) Remove the sound insulation material and crankcase heating cable.
  • Page 214 The 4-way How to remove the 4-way valve valve 1) Perform work of item 1 step 5~6 and item 2.. Coil 2) Extract refrigerant gas. Welded parts 3) Remove the electrical parts from item 3. 4) Remove fixing screw of the coil, and remove the coil.
  • Page 215 The Klimaire logo is a registered Trademark of Klimaire Products inc. Copyright 2019 Klimaire Products Inc. 2190 NW 89 Place, Doral, FL 33172 - USA Tel: (305)593-8358 Fax (305) 675-2212 sales@klimaire.com www.klimaire.com The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency...

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