ACIQ -09CD-HH-MB Service Manual
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ACIQ -09CD-HH-MB Service Manual

Light commercial mono 3d air conditioner
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CONCEALED DUCT AIR HANDLER & PLATINUM CONDENSER
SERVICE MANUAL
Models Covered:
ACiQ-09CD-HH-MB / ACiQ-09ZPL-HP230B
ACiQ-12CD-HH-MB / ACiQ-12ZPL-HP230B
ACiQ-18CD-HH-MB / ACiQ-18ZPL-HP230B
ACiQ-24CD-HH-MB / ACiQ-24ZPL-HP230B
ACiQ-36CD-HH-MB / ACiQ-36ZPL-HP230B
ACiQ-48CD-HH-MB / ACiQ-48ZPL-HP230B
ACiQ-60CD-HH-MB / ACiQ-60ZPL-HP230B
VERSION DATE: 05-29-24

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Summary of Contents for ACIQ ACiQ-09CD-HH-MB

  • Page 1 CONCEALED DUCT AIR HANDLER & PLATINUM CONDENSER SERVICE MANUAL Models Covered: ACiQ-09CD-HH-MB / ACiQ-09ZPL-HP230B ACiQ-12CD-HH-MB / ACiQ-12ZPL-HP230B ACiQ-18CD-HH-MB / ACiQ-18ZPL-HP230B ACiQ-24CD-HH-MB / ACiQ-24ZPL-HP230B ACiQ-36CD-HH-MB / ACiQ-36ZPL-HP230B ACiQ-48CD-HH-MB / ACiQ-48ZPL-HP230B ACiQ-60CD-HH-MB / ACiQ-60ZPL-HP230B VERSION DATE: 05-29-24...

  • Page 2: Table Of Contents

    SERVICE MANUAL Revision G: 2404, Content updated. Table of Contents Model Numbers: Precaution Part Names And Functions Indoor Unit: ACiQ-09CD-HH-MB, ACiQ-12CD-HH-MB; ACiQ-18CD-HH-MB; ACiQ-24CD-HH-MB; ACiQ-36CD-HH-MB; Dimension ACiQ-48CD-HH-MB; ACiQ-60CD-HH-MB Service space Refrigerant Cycle Diagram Wiring Diagram Outdoor Unit: ACiQ-09ZPL-HP230B; ACiQ-12ZPL-HP230B; ACiQ-18ZPL-HP230B, ACiQ-24ZPL-HP230B; ACiQ-36ZPL-HP230B;...
  • Page 3 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 ............................6 3.

  • 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 ...
  • 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.
  • 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 ACiQ-09CD-HH-MB ACiQ-09ZPL-HP230B ACiQ-12CD-HH-MB ACiQ-12ZPL-HP230B ACiQ-18CD-HH-MB ACiQ-18ZPL-HP230B A6 Duct ACiQ-24CD-HH-MB ACiQ-24ZPL-HP230B ACiQ-36CD-HH-MB ACiQ-36ZPL-HP230B ACiQ-48CD-HH-MB ACiQ-48ZPL-HP230B ACiQ-60CD-HH-MB ACiQ-60ZPL-HP230B HESP DUCT...

  • Page 8: Part Names Of Indoor/Outdoor Units

    2.2 Part names of Indoor/Outdoor units A6 Duct Units HESP DUCT Units...

  • Page 9: Features

    2.3 Features 2.3.1 A6 Duct Units Higher Static Pressure 2.3.1.1.  As a ducted air conditioner with medium static pressure, it has the widest static pressure range.  The maximum static pressure reaches 160Pa Slim Design 2.3.1.2.  The industry Lowest height is designed to be fitted into tight roof spaces. *18K unit - 210mm,24K/36K unit - 249mm,48K unit -300mm Flexible Air Intake Way (Bottom side or Rear side) 2.3.1.3.
  • Page 10 2.3.1.4. Communication wire connection  A6 duct uses two wires without polarity connection way, which almost has no mistake during the installation. Easy Clean 2.3.1.5.  With a larger window design, once the motor and the blower wheels have been detached, heat exchanger and water receiver tray in behind can be seen very clearly.
  • Page 11 2.3.1.7. Drain pump (Optional)  Built-in drain pump can lift the water to 750mm upmost, which widens the drainage piping range.
  • Page 12 2.3.2 HESP DUCT Units 2.3.2.1 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. 2.3.2.2 Easy maintenance ...

  • Page 13: Dimension

    3. Dimension 3.1 Indoor Unit A6 Duct Units air inlet side Air inlet side view Electric control box air outside Bottom Air outlet Opposite pipe side view Top view Pipe side view 4 hanging bracket Bottom 25 Drain connecting Gas side pipe(for pump) Liquid side 25 Drain pipe...
  • Page 14 9/12K with external condensate pump(optional)
  • Page 15 18K with external condensate pump(optional)
  • Page 16 ACiQ-60CD-HH-MB (suspension position) 2-Φ3.2 Φ5 NOTE:16 groups all around(the same of the air inlet flange)

  • Page 17: Outdoor Unit

    3.2 Outdoor Unit Note: The above drawing is only for reference. The appearance of your units may be different. Model unit 1030 ACiQ-24ZPL-HP230B inch 37.2 16.1 31.9 40.6 26.5 15.9...
  • Page 18 Model Unit ACiQ-36ZPL-HP230B 1333 1045 ACiQ-48ZPL-HP230B ACiQ-60ZPL-HP230B inch 37.5 16.3 52.5 41.1 25.0 15.9...
  • Page 19 ACiQ-09ZPL-HP230B, ACiQ-12ZPL-HP230B...
  • Page 20 ACiQ-18ZPL-HP230B 35.24(895) 13.46(342) D 26.1(663) 35(890) 37.6(955) 2.4(61) 2.91(74) 0.47(12)

  • Page 22: Service Space

    4. Service Space 4.1 Indoor Unit A6 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...
  • Page 23 HESP DUCT 500mm or more 600mm or more Indoor unit Maintenance and repair space 600mmx600mm...

  • Page 24: Outdoor Unit

    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 25: Refrigerant Cycle Diagram

    5. Refrigerant Cycle Diagram ACiQ-09ZPL-HP230B, ACiQ-12ZPL-HP230B 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...
  • Page 26 ACiQ-36ZPL-HP230B, ACiQ-48ZPL-HP230B, ACiQ-60ZPL-HP230B INDOOR OUTDOOR Plate heat LIQUID SIDE exchanger Throttle orifice Check Valve 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...
  • Page 27 HEAT HEAT T4 Ambient T1 Room temp. EXCHANGE EXCHANGE temp. sensor sensor (EVAPORATOR) (CONDENSER) T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE 3-WAY VALVE Accumulator TP Discharge temp. sensor Compressor COOLING HEATING For ACiQ-18ZPL-HP230B, there is an accumulator.

  • Page 30: Wiring Diagram

    6. Wiring Diagram 6.1 Indoor Unit ACiQ-09CD-HH-MB, ACiQ-12CD-HH-MB, ACiQ-18CD-HH-MB, ACiQ-24CD-HH-MB...
  • Page 31 ACiQ-36CD-HH-MB , ACiQ-48CD-HH-MB, ACiQ-60CD-HH-MB...
  • Page 32 6.1.1 Some connectors introduce: ACiQ-09CD-HH-MB, ACiQ-12CD-HH-MB, ACiQ-18CD-HH-MB, ACiQ-24CD-HH-MB, ACiQ-36CD-HH-MB, ACiQ-48CD-HH-MB, ACiQ-60CD-HH-MB 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;...
  • Page 33 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 34 6.1.2 Micro-Switch Introduce: ACiQ-09CD-HH-MB, ACiQ-12CD-HH-MB, ACiQ-18CD-HH-MB, ACiQ-24CD-HH-MB 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).
  • Page 35 D. 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 ACiQ-36CD-HH-MB, ACiQ-48CD-HH-MB, ACiQ-60CD-HH-MB A. Micro-switch SW1 is for selection of indoor fan stop temperature (TEL0) when it is in anti-cold wind action in heating mode.
  • Page 36 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 37 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 38: Outdoor Unit

    6.2 Outdoor Unit ACiQ-09ZPL-HP230B, ACiQ-12ZPL-HP230B 16022000035853...
  • Page 39 ACiQ-18ZPL-HP230B...
  • Page 40 ACiQ-24ZPL-HP230B BLACK BLUE CO M P_ TO P OPTIOna l R ED R ED CN32 CN2 9 CN26 CN30 CN4 2 CN16 BLACK BLUE BLUE CN20 R ED OPTIONAL HE AT1 CN 8 BLACK CN21 W HIT E OPTIONAL HEAT2...
  • Page 41 ACiQ-36ZPL-HP230B, ACiQ-48ZPL-HP230B, ACiQ-60ZPL-HP230B...
  • Page 42 PCB board of ACiQ-09ZPL-HP230B, ACiQ-12ZPL-HP230B [1.7] 2018-10-26 L601 CN10 CN3_1 Earth DAS1 CN3_2 N-IN L-IN CN11 FUSE1 T20A/250VAC D601 CN16 R195 PTC1 E1 E2 R606 R128 R129 R131 R130 R604 R603 R605 D610 D406 E331 C601 R623 D602 R180 D401...
  • Page 43 ACiQ-18ZPL-HP230B PCB board of Name Meaning Earth: connect to Ground Power Supply N_in: connect to N-line (208-230V AC input) (CN3) L_in: connect to L-line (208-230V AC input) S: connect to indoor unit communication 4-WAY CN60 connect to 4 way valve, 208-230V AC when is ON.
  • Page 44 ACiQ-24ZPL-HP230B PCB board of Name Meaning CN11 N_in: connect to N-line (208-230V AC input) Power Supply CN12 L_in: connect to L-line (208-230V AC input) EEV-A CN16 EEV-B CN13 EEV-C EEV-D CN15 connect to electric expansion valve EEV-E EEV-F CN17 EEV-G CN14 connect to pipe temp.
  • Page 45 CN31 S: connect to indoor unit communication(pin1-pin2: 24VDC Pulse wave; S-C(mono) CN34 pin2-pin3: 208-230V AC input) HEAT_D connect to chassis heater, 208-230V AC when is ON CN20 CN21 HEAT_Y connect to compressor heater, 208-230V AC when is ON CN36 4-WAY CN38 connect to 4 way valve, 208-230V AC when is ON.
  • Page 46 PCB board of ACiQ-36ZPL-HP230B, ACiQ-48ZPL-HP230B, ACiQ-60ZPL-HP230B Name Meaning L1_in: connect to L1-line (230V AC input) Power Supply L2_in: connect to L2-line (230V AC input) Exhaust temp. sensor T5 TESTPORT CN35 used for testing HEAT1 CN19/CN20 connect to chassis heater, 208-230V AC when is ON...
  • Page 47 connect to high and low pressure switch H-PRO,L-RPO CN10 (pin1-pin2&pin3-pin4:5VDC pulse wave) Compressor CN14 connect to compressor top temperature sensor CN11 connect to pipe temp. sensor T2B T4 T3 connect to pipe temp. sensor T3, ambient temp. sensor T4 CN15/CN23/CN26/ connect to Electric Expansion Valve(A~F) CN30/CN33/CN38 connect to IPM&PFC board CN9...
  • Page 48 IPM board of ACiQ-36ZPL-HP230B, ACiQ-48ZPL-HP230B, ACiQ-60ZPL-HP230B Name Meaning connect to main board L-Out Power Supply connect to main board N-Out Connect to main PCB CN6 FAN_DC FAN_1/FAN_2 connect to outdoor DC fan 1& DC fan 2 CN_COMP Connect to compressor...

  • Page 52: Fan Curves

    7. Fan Curves ACiQ-09CD-HH-MB, 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 Rated point 500(294) 500(294) 400(235) 400(235) Limit 300(176) 300(176) Limit 200(118) 200(118) 100(59) 100(59) (0.08)
  • Page 53 ACiQ-12CD-HH-MB 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) 500(294) Limit 500(294) 400(235) 400(235) Limit 300(176) 300(176) 200(118) 200(118) 100(59) 100(59) (0.10) (0.12)(0.16)(0.20) (0.24)(0.28)(0.32) (0.04)
  • Page 54 ACiQ-18CD-HH-MB 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)
  • Page 55 ACiQ-24CD-HH-MB 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 Rated Point Limit Limit 1400(823) 1400(823) 1200(706) 1200(706) 1000(588) 1000(588) High High 800(471) 800(471) Middle Middle 600(353)
  • Page 56 ACiQ-36CD-HH-MB 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)
  • Page 57 ACiQ-48CD-HH-MB 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)
  • Page 58 ACiQ-60CD-HH-MB 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...
  • Page 59 7.1 Using the wire controller to set external static pressure  automatic airflow adjustment function to set external static pressure.  Automatic airflow adjustment is the volume of blow-off air that has been automatically adjusted to the quantity rated. 1. Make sure the test run is done with a dry coil. If the coil is not dry, run the unit for 2 hours in FAN ONLY mode to dry the coil.
  • Page 60 For 120L wire controller, perform the following steps: - In power-on or standby mode, long press ON/OFF and FAN together for 7 seconds to engineer mode - Press “ △ ” or “ ▽ ” to select the channel “8”. - Press "On/Off"...
  • Page 61 For 120L wire controller, perform the following steps: - In power-on or standby mode, long press ON/OFF and FAN together for 7 seconds to engineer mode - Press “ △ ” or “ ▽ ” to select the channel “8”. - Press "On/Off"...

  • Page 62: Electric Characteristics

    8. Electric Characteristics Model Indoor Unit Voltage Min. Max. ACiQ-09CD-HH-MB 208-230V 187V 253V ACiQ-12CD-HH-MB 208-230V 187V 253V ACiQ-18CD-HH-MB 208-230V 187V 253V ACiQ-24CD-HH-MB 208-230V 187V 253V ACiQ-36CD-HH-MB 208-230V 187V 253V ACiQ-48CD-HH-MB 208-230V 187V 253V ACiQ-60CD-HH-MB 208-230V 187V 253V...

  • Page 63: Sound Level

    9. Sound Level 9.1 Indoor unit Noise level dB(A) Model ACiQ-09CD-HH-MB ACiQ-12CD-HH-MB ACiQ-18CD-HH-MB ACiQ-24CD-HH-MB ACiQ-36CD-HH-MB ACiQ-48CD-HH-MB ACiQ-60CD-HH-MB...

  • Page 64: Outdoor Unit

    9.2 Outdoor unit Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Model Noise Level dB(A) ACiQ-09ZPL-HP230B ACiQ-12ZPL-HP230B ACiQ-18ZPL-HP230B ACiQ-24ZPL-HP230B 62.5 ACiQ-36ZPL-HP230B ACiQ-48ZPL-HP230B 66.5 ACiQ-60ZPL-HP230B...

  • Page 65: 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 Others Manual Magnetic ring (twist the electric wires L EMS &...

  • Page 66: 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 67: Field Wiring

    12. Field Wiring 9K~24K 36K, 48K...

  • Page 69: Operation Characteristics

    13. 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℃～24℃ （-15℃～50℃(5℉～122℉)：For (Entry level) (5℉～75.2℉) the models with low temperature 0℃～50℃ cooling system） (32℉～122℉) Outdoor temperature -25℃～24℃ -25℃～50℃(-13℉～122℉) (E-Star level) (-13℉～75.2℉) Outdoor temperature...

  • Page 70: Electronic Function

    ---110<T5<115℃(239° F), decrease the 14. Electronic Function frequency to the lower level every 2 minutes. ---105(221° F)<T5<110℃(230° F), keep running 14.1 Abbreviation at the current frequency. T1: Indoor room temperature T2: Coil temperature of indoor heat exchanger ----T5<105℃(221° F), no limit for frequency. T3: Coil temperature of condenser 14.3.4 Fan speed malfunction T4: Outdoor ambient temperature...

  • Page 71: Operation Modes And Functions

    will display on indoor unit and the unit will stop ---0° C(32° F)≦T2<4° C(39.2° F), the compressor working. 14.3.6 Indoor fan delayed open function frequency will be limited and decreased to the When the unit starts up, the louver will be active lower level immediately and the indoor fan will open 7s ---4°C(39.2°F)≤T2≤7°C(44.6°F),...
  • Page 72 Setting fan T1-Td ℃(° F) Actual fan speed speed H+(H+=H+G) 4.5(8.1) H（=H） 3.0(5.4) 1.5(2.7) H-（H-=H-G) M+(M+=M+Z) 4.5(8.1) M(M=M) 3.0(5.4) M-(M-=M-Z) 1.5(2.7) L+(L+=L+D) 4.5(8.1) L(L=L) 3.0(5.4) L-(L-=L-D) 1.5(2.7) 14.4.3.3 Defrosting mode Auto fan in cooling mode acts as follow: If any one of the following items is satisfied, AC will enter the defrosting mode.
  • Page 73 ----T3 rises to be higher than TCDE1. ----T3 keeps to be higher than TCDE2 for 80 14.4.4 Auto-mode seconds. This mode can be chosen with remote ----The machine has run for 15 minutes in controller and the setting temperature can be defrosting mode.
  • Page 74 14.4.6.6 The timer function will not change the follow me function, the PCB will control the unit AC current operation mode. Suppose AC is off according to the temperature from follow me now, it will not start up firstly after setting the signal, and the temperature collection function “timer off”...
  • Page 75 14.4.12 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 76 When the AC enter into the information enquiry status, it will display the code value in the next 25s , the details are as follows. 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,T5,TH, 1b,-1A value.

  • Page 77: Troubleshooting

    15. 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 78: Indoor Unit Error Display

    15.1 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 79: Error Display On Two Way Communication Wired Controller

    15.2 Error Display on Two Way Communication Wired Controller Display LED STATUS Communication error between wired controller and indoor unit Communication error between wired controller and indoor unit(for KJR-120X series EH b3 wired controller) Communication malfunction between indoor and outdoor units Indoor room temperature sensor (T1 ) is in open circuit or has short circuited Evaporator coil temperature sensor (T2) is in open circuit or has short circuited Evaporator coil outlet temperature sensor T2B is in open circuit or has short...

  • Page 80: Outdoor Unit Error Display(For 36K-60K Models)

    15.3 Outdoor unit error display(For 36K-60K models) Display LED STATUS EC 51 Outdoor EEPROM malfunction EL 01 Indoor / outdoor units communication error PC 40 Communication malfunction between IPM board and outdoor main board PC 08 Outdoor overcurrent protection PC 10 Outdoor unit low AC voltage protection PC 11 Outdoor unit main control board DC bus high voltage protection...
  • Page 81 Outdoor check function • A check switch is included on the outdoor PCB. • Push SW1 to check the unit’s status while running. The digital display shows the following codes each time the SW1 is pushed. Display Remark Display running frequency, running state or malfunction Normal display code Actual data*HP*10...
  • Page 82 Frequency limit caused by It means frequency Bit4 low temperature of T2. limit caused by T4, T3 and current. Bit3 Frequency limit caused by T3. Bit2 Frequency limit caused by T5. Frequency limit caused by Bit1 current Frequency limit caused by Bit0 voltage 0:off 1:High 2:Medium 3:Low 4: Breeze 21:Turbo...
  • Page 83 “――” Actual data/4. EVI valve open angle (only for): If the value is higher than 99, the digital display tube will ACiQ-36ZPL-HP230B show single digit and tens digit. ACiQ-48ZPL-HP230B For example, the digital display tube show “2.0”,it means the ACiQ-60ZPL-HP230B EXV open angle is 120×4=480p.)

  • Page 84: Diagnosis And Solution

    15.4 Diagnosis and Solution 15.4.1 EEPROM parameter error diagnosis and solution Error Code E0/ EH 00/EH 0A/F4/ EC 51 Malfunction conditions Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip. Installation mistake Potential causes ● Faulty PCB ●...
  • Page 85 15.4.2 Communication malfunction between indoor and outdoor units diagnosis and solution (E1) For 9K-24K: Error Code E1/ EL 01 Malfunction conditions If the indoor unit does not receive feedback from outdoor unit for 110 seconds 4 consecutive times. Potential causes Wiring mistake ●...
  • Page 86 Power off, then restart the unit after 2 minutes. Does the error code Solved disappear? Check the wiring connection Correct the connection or between indoor and outdoor change wires unit, are they good? The value is alternative from negative to positive Measure the DC voltage between Check the wiring connection The value is fixed and...
  • Page 87 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 88 For 36K-60K: Malfunction conditions Indoor unit does not receive feedback from outdoor unit for 60 seconds OR outdoor unit does not receive feedback from indoor unit for 120 seconds. ● Wiring mistakes Possible causes ● Faulty indoor or outdoor PCB Power off, then restart the unit 2 minutes later Check whether there s any...
  • Page 89 15.4.3 Fan speed malfunction diagnosis and solution Error Code E3/EH 03 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 90 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 91 Port Description Parameter Remark CON1 Power input for the PCB 230V/AC Communication with main PCB Test port 5V/DC For debugging board UVW output for DC fan motor CN23 CON2 Ports for reactor CN1 Communication with main PCB Signal Voltage +15V 0~6V 0~15V...
  • Page 92 15.4.4 Fan speed malfunction diagnosis and solution Error Code F5/EC 07/EC 71 Malfunction conditions When outdoor fan speed is too low or too high for a certain period of time, the unit ceases operation and the LED displays a failure code. Potential Causes Wiring mistake ●...
  • Page 93 Index 1: 1. DC Fan Motor (control chip is in PCB) Release the UVW connector. Measure the resistance of U-V, U-W, and V-W. If the resistances are not equal to each other, the fan motor may be experiencing problems and need to be replaced. Otherwise, the PCB must has problems and need to be replaced.
  • Page 94 showing in below tables, the outdoor main PCB must has problems and need to be replaced. Port Description Parameter Remark CON1 Power input for the PCB 192-380V/DC Communication with main PCB Test port 5V/DC For debugging board FAN1 UVW output for DC fan motor FAN2 UVW output for DC fan motor CN1 Communication with main PCB...
  • Page 95 15.4.5 Open or short circuit of temperature sensor diagnosis and solution Error Code E4/E5/F1/F2/F3/EH 60/EH 61EC 53/EC 52/EC 54 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 ●...
  • Page 96 15.4.6 Refrigerant Leakage Detection diagnosis and solution Error Code EC/EL 0C Define the evaporator coil temperature T2 of the compressor starts Malfunction conditions 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 ＜Tcool－...
  • Page 97 Water-level alarm malfunction 15.4.7 diagnosis and solution Error Code EE/EH 0E Malfunction conditions If the sampling voltage is not 5V, the LED will display the failure code. ● Wiring mistakes Possible causes ● Faulty water-level switch ● Faulty water pump ●...
  • Page 98 15.4.8 IPM malfunction or IGBT over-strong current protection diagnosis and solution Error Code P0/PC 00 Malfunction conditions When the voltage signal the IPM sends to the compressor drive chip is abnormal, the display LED shows failure code and the AC turn off. Possible causes Wiring mistake ●...
  • Page 101 15.4.9 Over-voltage or under-voltage protection diagnosis and solution Error Code P1/ PC 01/ PC 10/ PC 11/ PC 12 Malfunction conditions Abnormal increases or decreases in voltage are detected by checking the specified voltage detection circuit. Potential causes Power supply issues ●...
  • Page 102 Remark: Measure the DC voltage between P and N port. The normal value should be around 310V.340V or 380V...
  • Page 103 15.4.10 High temperature protection of compressor top diagnosis and solution Error Code P2/PC 02 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 ●...
  • Page 104 High temperature protection of IPM board diagnosis and solution (P2) High temperature protection of IPM board Check whether the radiator Fix the radiator well is fixed well ? Check whether electronic Install the electronic control box control box is Installed correctly good? Check whether thermal...
  • Page 105 15.4.11 Inverter compressor drive error diagnosis and solution Error Code P4/ PC 04 Abnormalities in the inverter compressor drive is detected by a Malfunction conditions special detection circuit, which can perform communication signal detection, voltage detection, and compressor rotation speed signal detection.
  • Page 106 15.4.12 Outdoor IPM module temperature sensor malfunction diagnosis and solution Error Code P7/ EC 55 Malfunction conditions If the sampling voltage is 0V or 5V, the LED displays a failure. Potential causes Faulty IPM module ● Trouble shooting: Power off, then restart the unit after 2 minutes. Does a problem remain? The unit is operating normally Check whether the...
  • Page 107 15.4.14. Malfunction PC 0A Error Code PC 0A 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. ● Faulty condenser temperature sensor Possible causes ●...
  • Page 108 15.4.15. Malfunction PC 06 Error Code PC 06 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℃. ● Refrigerant leakage Possible causes ●...
  • Page 109 15.4.16. PC 0F Malfunction Error Code PC 0F Malfunction decision When the voltage signal that IPM send to compressor drive chip is conditions abnormal, the display LED will show failure code and AC will turn off. ● Wiring mistake Supposed causes ●...
  • Page 110 15.4.17. Malfunction PC 40 Communication error between outdoor main chip and compressor driven chip Is there at least one LED in the compressor driven chip light? Check the signal wire between the Compressor driven chip and the main board, is it connected properly? Reconnect and retry.
  • Page 111 15.4.18. P6/ Malfunction PC 30 Error Code P6/ PC 30 Malfunction conditions Outdoor pressure switch cut off the system because high pressure is higher than 4.4 MPa. ● Possible causes Wiring mistakes ● Faulty pressure protector ● Faulty outdoor fan ●...
  • Page 112 15.4.19. P6/ Malfunction PC 31 Error Code P6/PC 31 Malfunction conditions Outdoor pressure switch cut off the system because low pressure is lower than 0.13 MPa. ● Possible causes Wiring mistake ● Faulty pressure protector ● System blockages ● Faulty outdoor PCB...
  • Page 113 Low pressure protection Are the low pressure Reconnect the low pressure protector and main control protector and main control board board wired properly? Is the low pressure protector broken? Method: Disconnect the plug. Measure the resistance of the low Replace low pressure protector pressure protector.
  • Page 114 15.4.20 Current overload protection Error code F0/ PC 08/ PC 44/PC 46/PC 49 Malfunction decision If the outdoor current exceeds the current limit value, the LED displays a failure code. conditions ● Wiring mistakes ● Faulty bridge rectifier Possible causes ●...
  • Page 115 Was the protection activated in standby? Is the power voltage is Restart the unit when the power normal? supply returns to normal Is outdoor terminal voltage Is the power wiring Reconnect the normal？ wired correctly? power wiring Is the voltage between L and Are L and N wired Reconnect L and N properly?
  • Page 116 15.4.21 Communication malfunction between indoor two chips diagnosis and solution (FA) Error Code Malfunction conditions Indoor PCB main chip does not receive feedback from another chip. Potential causes Faulty PCB ● Trouble shooting: Shut off the power supply and turn it on 2 minutes later. Is it still displaying The unit is operating normally.
  • Page 117 Power off,then restart the unit The unit operates 2 minutes later.Is it still normally displaying the error code Check the wiring of fan motor.Are all the connections Correct the connections good? Check whether the three- phase resistance of the fan is Replace the fan motor symmetrical Check the fan three-phase...
  • Page 118 Power off,then restart the unit The unit operates 2 minutes later.Is it still normally displaying the error code Check both ends of compressor connecting Correct the connections line .Are all the connections good? Check whether the three- phase resistance of the Replace the compressor compressor is symmetrical Check the compressor three-...

  • Page 119: Main Parts Check

    15.5 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 120 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 121 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 122 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 123 2. Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value KSK103D33UEZ3 KTN110D42UFZ KSN140D58UFZ Blue - Red 2.13 Ω 0.82 Ω 1.86Ω Blue - Black Red - Blue EAPQ420D1UMUA ATF310D43UMT KTM240D43UKT KTQ420D1UMU KTF310D43UMT EAPQ440D1UMUA Blue - Red Blue - Black 1.03Ω...
  • Page 124 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 125 4: Pressure on Service Port Cooling chart: COOLING MODE Outdoor temp. ℉ Indoor Temp. （23.89） （29.44） （35） （40.56） （46.11） (℃) 10.1 10.7 11.2 0.82 0.78 0.81 0.86 1.01 0.86 0.83 0.87 0.91 1.07 0.93 0.89 0.91 0.96 1.12 Pressure (bar) Outdoor temp.
  • Page 126 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 127: Additional Installation Guide

    14.2 Vertical Installation 16.Additional Installation 1. No need pump (Disable pump) The pump must be disabled while the unit is Guide(A6 Duct) installed vertically or the pump assembly is removed from its original position. 14.1 Horizontal Installation Open the cover of E-Parts Box assembly, 1.With External pump (9K model only) unplug the “PUMP”...

  • Page 128: Disassembly Instructions

    17. Disassembly Instructions Note: This part is for reference, the photos may have slight difference with your machine. 17.1 Indoor unit A6 Duct Unit (9K-48K): ...
  • Page 135 HESP Duct Unit (60K): ...

  • Page 141: Outdoor Unit

    17.2 Outdoor unit ACiQ-09ZPL-HP230B, ACiQ-12ZPL-HP230B  Part name Procedures Remarks Panel plate How to remove the panel plate. 1)Stop operation of the air conditioner and turn “OFF” the power breaker. 2) Remove the big handle first(3 screws) Remove the top...
  • Page 142 5) Remove the screws of the right side panel(5 screws) Fan ass’y How to remove the fan ass’y. 1)After remove the panel plate following procedure 1 2) Remove the nut fixing the fan, and remove the fan. 3) Remove the four fixing screws of the fan motor, then remove the motor.
  • Page 143 Electrical How to remove the parts electrical parts. After finish work of item 1 and item 2, disconnect the connector for compressor and release the ground wire(1 screw). Pull out the wires from electrical supporting plate and turn over the electronic control assembly.
  • Page 144 Remove the fixing board (2 hooks) Disconnect the connectors from the electronic control board. Then remove the electronic control board (4 hooks)
  • Page 145 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 1,2,3. ○ ○ 2) Recover refrigerant from the refrigerant circuit. 3) Remove the screw of the coil and then remove the coil.
  • Page 146 ACiQ-24ZPL-HP230B  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.
  • Page 147 ass’y. Electronic control box 1) After remove the panel plate following procedure 1 2) Remove the nut fixing the fan,and remove the fan. compressor ○ 3) Unfix the hooks and then open the electronic control box cover (4 hooks). 4) Remove 6 screws on the electronic control board and then turn over the electronic control...
  • Page 148 ○ 5) Disconnect the connector of fan motor from the electronic control board. ⑥ 6) Remove the four fixing screws of the fan motor, then remove the motor. Electrical How to remove the parts electrical parts. 1) After finish work of item 1 and item 2, remove the connector for the compressor...
  • Page 149 5) Pull out the connector, remove one screw and then remove the key board subassembly on terminal ⑤ board. 6) Remove the ground wires . ○...
  • Page 150 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 151 ACiQ-18ZPL-HP230B  Part name Procedures Remarks Panel plate How to remove the panel plate. 1) Stop operation of the air conditioner and turn “OFF” the power breaker. Remove the big handle first(3 screws) Remove the top cover, (3 screws) One...
  • Page 152 5) Remove the screws of the right side panel(6 screws)
  • Page 153 Fan ass’y How to remove the fan ass’y. Electronic control box 1) After remove the panel plate following procedure 1 2) Remove the nut fixing the fan,and remove the fan. compressor ② 3) Remove 5 screws on the electronic control board and then turn over the electronic control board.
  • Page 154 4) Disconnect the ④ connector of fan motor from the electronic control board. 5) Remove the four fixing ⑤ screws of the fan motor, then remove the motor. Electrical How to remove the parts electrical parts. 1) After finish work of item 1 and item 2, remove the connector for the compressor...
  • Page 155 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 156 ACiQ-36ZPL-HP230B, ACiQ-48ZPL-HP230B, ACiQ-60ZPL-HP230B  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 157 the right front side panel (1 screw) 7) Disconnect the fan motor ⑥ connectors FAN1(3p,white) and FAN2(3p,white) from IPM board. ⑧ 8) Remove the fan motor after unfastening fixing screws. Panel plate How to remove the panel plate. 1) Remove big handle.(2 screws) and water Screws of big...
  • Page 158 Electrical How to remove the electrical parts parts. 1) Perform work of item 1 step 5~6 and item 2. IPM board PCB board 2) Disconnect following 6 pieces of connection wires and connectors between IPM and other parts. CN3(red) CN2(black) U(blue),V(red),W(black) CN9(10p,white) CN8,CN5(3p)
  • Page 159 4) Disconnect the connectors and wires connected from PCB and other parts. Connectors: CN8: Discharge temperature sensor (2p,black) CN9:T3/T4 temperature sensor (2p/2p,blue) CN15/CN23: Electronic expansion valve (6p,red) CN10: High and low pressure switch (2p/2p, white) CN22:S1 and S2(1p/1p,red) Wires: CN17/CN18: 4-way valve (blue-blue) CN19/CN20: connected to crankcase ④...
  • Page 160 heater and compressor from the terminal. 5) Remove the discharge pipe and suction pipe with a burner. 6) Remove the hex nuts and ⑥ washers fixing the compressor to bottom plate. 7) Lift the compressor. The 4-way How to remove the 4-way valve valve 1) Perform work of item 1 step 5~6 and item 2.

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