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ComfortStar CPA Series Service Manual

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Revision 180113V2.1
Indoor Unit,
Ducted:
CPA-xx,CPA-xxDU, CPA-xxB, CPA-xxDUB
Floor Ceiling:
FPA-xx,FPA-xxDU.
Cassette:
TPA-xx,TPA-xxDU.
Outdoor Unit,
CPPxxxCD(O), CPPxxxCD(O)-DU
Platinum Light commercial
SERVICE MANUAL

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  • Page 1 Platinum Light commercial SERVICE MANUAL Revision 180113V2.1 Indoor Unit, Ducted: CPA-xx,CPA-xxDU, CPA-xxB, CPA-xxDUB Floor Ceiling: FPA-xx,FPA-xxDU. Cassette: TPA-xx,TPA-xxDU. Outdoor Unit, CPPxxxCD(O), CPPxxxCD(O)-DU...

  • Page 2: Table Of Contents

    CONTENTS 1. Precaution ..............................1 2. Part Names and Features..........................5 3. Dimension ..............................26 4. Service Space ............................37 5. Refrigerant Cycle Diagram........................41 6. Wiring Diagram ............................43 7. Fan Curves ..............................33 8 Electric Characteristics ..........................74 9 Sound Level ..............................

  • Page 3: Precaution

    There is risk of fire or electric shock. 1. Precaution  Do not modify or extend the power cable. 1.1 Safety Precaution There is risk of fire or electric shock.  To prevent injury to the user or other  Do not install, remove, or reinstall the people and property damage, the following unit by yourself (customer).
  • Page 4 There is risk of fire or electric shock. Do not touch (operation) the product  with wet hands.  Be caution that water could not enter the product.  Do not place a heater or other appliance near the power cable. There is risk of fire, electric shock, or product damage.
  • Page 5 Do not install the product where the Always insert the filter securely.   noise or hot air from the outdoor unit could Clean the filter every two weeks or more damage the neighborhoods. often if necessary. It may cause a problem for your neighbors. A dirty filter reduces the efficiency of the air conditioner could...

  • Page 7: Part Names And Features

    2. Part Names and Features 2.1 Model Names of Indoor/Outdoor units IDU model ODU model Mass Production Fade out Remark Date Date CPA-09 CPP009CD(O) 2015.12 2017.11 CPA-12 CPP012CD(O) 2015.12 2017.11 CPA-18 CPP018CD(O) 2015.12 2017.11 CPA-24 CPP024CD(O) 2015.12 2017.11 CPA-36DU CPP036CD(O)-DU 2015.12 2017.11 CPA-48DU...
  • Page 9 2.2 Part names of Indoor/Outdoor units Cassette Unit...
  • Page 10 Duct Units...
  • Page 11 Ceiling-floor Units...
  • Page 12 2.3 Features 2.3.1 Duct Units 2.3.1.1 Installation accessories: (Optional) ➢ Front Board, Canvas Air Passage, Filter, Panel, for easy installation Panel 2.3.1.2 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. ➢...
  • Page 13 2.3.1.4 Easy maintenance Clean the filter (Optional, standard product without filter) ➢ It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or bottom side. ➢ Replace the motor or centrifugal fan Remove the ventilated panel firstly.
  • Page 14 Remote on-off ports Central control ports 2.3.1.6 Built-in drain pump (Optional): ➢ Built-in drain pump can lift the water to 750mm upmost. It’s convenient to install drainage piping under most space condition.
  • Page 15 2.3.1.7 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 10m. The unit will realized remoter control. ➢...
  • Page 17 2.3.2 Cassette Unit 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 down or heat up rapidly.
  • Page 18 2.3.2.5 Wired controller (Optional) ➢ Compared with infrared remote controller, wired controller can be fixed on the wall and avoid mislaying. It's mainly used for commercial zone and makes air conditioner control more convenient. 2.3.2.6 Build-in Drain Pump ➢ The drain pump can lift the condensing water up to 750mm upmost. ➢...
  • Page 19 2.3.3 Ceiling-floor Units 2.3.3.1 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. 2.3.3.2 Brief design ➢...
  • Page 21 2.3.3.4 Optional drainage pipe connection ➢ Both right side and left side drainage holes are available to avoid the space limitation for drainage pipe installation. Make you more convenient during installation. C Panel (LED display) D Panel 2.3.3.5 Convenience operating and easy maintenance ➢...
  • Page 22 Higher Static Pressure 2.3.4.1. ➢ As a ducted air conditioner with medium static pressure, it has the widest static pressure range. ➢ The maximum static pressure reaches 160Pa Slim Design 2.3.4.2. ➢ The industry Lowest height is designed to be fitted into tight roof spaces. *18K unit - 210mm,24K/36K unit - 249mm,48K unit -300mm 2.3.4.3.
  • Page 23 Flexible Air Intake Way (Bottom side or Rear side) 2.3.4.4. ➢ The frame size of air inlet in rear and bottom is the same. It’s very easy to switch to match different application. Air intake from bottom (Optional) Air intake from rear (Standard) 2.3.4.5.
  • Page 24 Easy Clean 2.3.4.6. ➢ With a larger window design, once the motor and the blower wheels have been detached, heat ex-changer and water receiver tray in behind can be seen very clearly. Dust can be easily removed from the inside by vacuum 2.3.4.7.Fresh air intake function(Optional) ➢...
  • Page 25 2.3.4.8.Drain pump (Optional) ➢ Built-in drain pump can lift the water to 750mm upmost, which widens the drainage piping range.
  • Page 26 2.3.5 HESP DUCT Units (60K models Ducted) 2.3.5.1 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. 2.3.5.2 Easy maintenance The unit can be opened from top or bottom.
  • Page 27 L-shaped area Areas far apart Y-shaped area...

  • Page 28: Dimension

    3. Dimension 3.1 Indoor Unit 3.1.1 Duct Units CPA-09,CPA-12,CPA-18,CPA-24,CPA-36DU,CPA-48DU air inlet from rear side Air filter ( optional ) 4-install hanger Liquid side 25 Drain pipe Gas side 25 Drain pipe Test mouth & Test cover 25 Drain connecting pipe ( for pump ) Fresh air intake Electric control box...
  • Page 29 1140 1035 1240 44.88 10.63 30.51 27.95 2.56 36.73 1.38 7.05 40.75 10.24 1.77 48.82 19.69 4.72 5.63 3.74 5.91 1200 1094 1240 47.24 11.81 34.06 31.50 3.15 38.11 1.57 8.03 43.07 11.34 1.77 48.82 19.69 6.89 7.80 6.10 8.27 3.1.2 Duct Units CPA-09B,CPA-12B,CPA-18B,CPA-24B,CPA-36DUB,CPA-48DUB Model...
  • Page 30 1360 1186 1261 1400 inch 53.5 30.5 27.6 46.7 49.6 55.1 23.5 1200 1044 1101 1240 inch 47.2 11.8 34.4 31.5 41.1 43.3 11.0 48.8 27.4...
  • Page 31 CPA-60DUB （High Status pressure ducted）...
  • Page 32 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 34 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 35 inch 6.30 3.74 9.65 2.36 inch 6.30 3.74 11.30 2.36 Ceiling-floor Units (18K-48K) Wiring connection port Drain discharge port Fresh air intake Refrigerant pipe hole Hanging arm...
  • Page 36 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 48/60K inch 64.96 26.57 9.25 61.61...
  • Page 37 3.2 Outdoor Unit Note: The above drawing is only for reference. The appearance of your units may be different. Model CPP009CD(O) inch 30.3 11.8 21.9 33.1 19.2 11.7 CPP012CD(O) inch 31.5 13.1 21.8 34.3 20.2 13.4 CPP018CD(O) inch 33.3 14.3 27.6 36.0 21.3...
  • Page 38 CPP024CD(O) 1030 CPP036CD(O)-DU inch 37.2 16.1 31.9 40.6 26.5 15.9 CPP048CD(O)-DU 1333 1045 CPP060CD(O)-DU inch 37.5 16.3 52.5 41.1 25.0 15.9...

  • Page 39: Service Space

    4. Service Space 4.1 Indoor Unit 4.1.1 Duct Units (Middle Status Pressure) 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 40 4.1.2 Duct Units (High Status Pressure) 500mm or more 600mm or more Indoor unit Maintenance and repair space 600mmx600mm 4.1.3 Cassette Units Unit: mm...
  • Page 42 4.1.4 Ceiling-floor Units 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) Remark, for back side of air inlet, recommend 30CM. MIN=15CM(6 in)

  • Page 43: Refrigerant Cycle Diagram

    5. Refrigerant Cycle Diagram For 9k-24k, 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. T2 Evaporator EXCHANGE temp. sensor sensor temp. sensor (CONDENSER) middle T2B Evaporator temp.
  • Page 44 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 T5 Discharge temp.

  • Page 45: Wiring Diagram

    6. Wiring Diagram 6.1 Indoor Unit TPA-09, TPA-12, TPA-18， CPA-09, CPA-12, CPA-18,CPA-24...
  • Page 46 CPA-09B, CPA-12B, CPA-18B,CPA-24B FPA-24...
  • Page 48 TPA-36DU， TPA-48DU CPA-36DU, CPA-48DU...
  • Page 49 CPA-36DUB, CPA-48DUB,CPA-60DU...
  • Page 50 FPA-36DU...
  • Page 51 FPA-48DU, FPA-60DU...
  • Page 53 FPA-36DU，FPA-48DU...
  • Page 54 6.2 Outdoor Unit CPP018CD(O) ，CPP024CD(O)
  • Page 55 CPP009CD(O)，CPP012CD(O)
  • Page 56 CPP036CD(O)-DU...
  • Page 57 CPP048CD(O)-DU,CPP060CD(O)-DU...

  • Page 58: Fan Curves

    7. Fan Curves 7.1 CPA-09,CPA-12,CPA-18,CPA-24,CPA-36DU,CPA-48DU 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 0.16...
  • Page 59 CPA-09, Code 0 Code 1 Code 2 Code 3 Code 4...
  • Page 61 CPA-12 Code 0 Code 1 Code 2 Code 3 Code 4...
  • Page 62 CPA-18 Code 0 Code 1 Code 2 Code 3...
  • Page 63 Code 4 CPA-24 Code 0 Code 1...
  • Page 64 Code 2 Code 3 Code 4...
  • Page 65 CPA-36DU Code 0 Code 1 Code 2 Code 3 Code 4...
  • Page 66 CPA-48DU Code 0 Code 1 Code 2 Code 3...
  • Page 67 Code 4...
  • Page 68 7.2 CPA-B CPA-09B, 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) 400(235) Limit 300(176) 300(176) 200(118) Limit 200(118) 100(59) 100(59) (0.12) (0.16) (0.20) (0.04)
  • Page 69 CPA-12B, 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) (0.16) (0.04) (0.08) (0.10) (0.12) (0.20)
  • Page 70 CPA-18B, 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 71 CPA-24B, 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) 600(353) 400(235) 400(235)
  • Page 72 CPA-36DUB, 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 73 CPA-48DUB, 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 74 CPA-60DUB...

  • Page 76: Electric Characteristics

    8 Electric Characteristics Indoor Unit Model Voltage Min. Max. All model 208-230V 187V 253V 9 Sound Level 9.1 Indoor unit Noise level dB(A) Model CPA-09 CPA-12 CPA-18 CPA-24 CPA-36DU CPA-48DU...
  • Page 77 CPA-09B CPA-12B CPA-18B CPA-24B CPA-36DUB CPA-48DUB CPA-60DUB Noise level dB(A) Model TPA-09 TPA-12 TPA-18 TPA-36DU TPA-48DU...
  • Page 78 Air outlet side Microphone Noise level dB(A) Model FPA-18 FPA-24 FPA-36DU FPA-48DU FPA-60DU 9.2 Outdoor unit Outdoor Unit Microphone 1.0m...
  • Page 79 Note: H= 0.5 × height of outdoor unit Model Noise Level dB(A) CPP009CD(O) CPP012CD(O) CPP018CD(O) CPP024CD(O) CPP036CD(O)-DU CPP048CD(O)-DU CPP060CD(O)-DU...

  • Page 80: 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 81 Drain joint Seal ring Remote controller & Its Frame Remote controller & Its Remote controller holder Frame(The product you have might not be Mounting screw(ST2.9×10-C-H) provided the following accessories) Remote controller manual Alkaline dry batteries (AM4) Owner's manual Others Installation manual Installation accessory Expansible hook (The product you have...

  • Page 82: The Specification Of Power

    Mounting screw(ST2.9×10-C-H) Alkaline dry batteries (AM4) Installation manual Others Owner's manual Ceiling-floor Units 1. Remote controller 2. Remote controller holder Remote controller & Its holder 3. Mounting screw (ST2.9× 10-C-H) 4. Alkaline dry batteries (AM4) 5. Owner's manual Others 6. Installation manual 7.
  • Page 83 Phase 1-phase 1-phase 1-phase Power Frequency 208-230V, 60Hz 208-230V, 60Hz 208-230V, 60Hz Voltage Circuit Breaker/ Fuse (A) 60/40 70/55 70/55 Indoor Unit Power Wiring (mm2) Ground Wiring Indoor/Outdoo Outdoor Unit Power 3×4.0 3×4.0 3×4.0 Wiring Connecting Strong Electric Signal 3×1.5 3×1.5 3×1.5 Wiring...
  • Page 84 12 Field Wiring 9K,12k,18k,24k 36K, 48K,60k...

  • Page 85: Installation Details

    ➢ There is enough room for installation and 12 Installation Details maintenance. ➢ The air outlet and the air inlet are not 12.1 Location selection impeded, and not face the strong wind. Indoor unit location selection ➢ It is easy to install the connecting pipes and 12.1.1 cables.
  • Page 86 CPA-09B,CPA-12B,CPA-1B8,CPA-24B,CPA- 36DUB,CPA-48DUB,...
  • Page 87 29.2 14.2 Model(KBtu/h) unit CPA-18B 36.22 9/12 inch 27.6 11.8 1140 CPA-24B 44.88 23.54 1400 CPA-36DUB inch 34.6 11.8 55.12 23.54 1100 1240 CPA-48DUB 48.82 27.44 inch 43.3 11.8 1360 12.2.1.3. Hang indoor unit inch 53.5 11.8 1. Please refer to the upper data to locate the 1200 four positioning screw bolt hole on the ceiling.
  • Page 88 4. After you select an installation location, align the refrigerant pipes, drain pipes, as well as indoor and outdoor wires with their connection points before mounting the unit. 5. Drill 4 holes 10cm (4”) deep at the ceiling hook positions in the internal ceiling. Be sure to hold the drill at a 90°...
  • Page 89 0-100 The capacity of the indoor unit has been set CPA-24 0-100 CPA-36 in the factory according to the below table. 0-100 CPA-48 0-100 CPA-18B 0-160 CPA-24B ENC1 Toggle switch Capacity(kw) 0-160 CPA-36DUB Code 0-160 Note: The CPA-48DUB capacity has been set in the Change the fan motor static pressure factory, anyone...
  • Page 90 ① Take off ventilation panel and flange, cut off the staples at side rail 2. Stick the attached seal sponge as per the indicating place in the following fig, and then （CPA-09B,CPA-12B,CPA-1B8,CPA-24B,CPA change the mounting positions of air return -36DUB,CPA-48DUB,)Duct units panel and air return flange.
  • Page 91 NOTE: All the figures in this manual are for demonstration purposes only. The air conditioner you have purchased may be slightly different in design, though similar in shape. 12.2.1.7 Fresh air duct installation Dimension : 12.2.2.2 Bolt pitch 12.2.1.8. Using the wire controller to set external static pressure 12.2.2.3 Install the pendant bolt CPA-09B,CPA-12B,CPA-1B8,CPA-24B,CPA...
  • Page 92 ceiling for 10~12 mm. In general, L is half of the screw length of the installation hook. 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. Locate the air conditioner firmly by wrenching If the ceiling is extremely high, please the nuts after having adjusted the body's...
  • Page 93 12.2.1.2 Bolt pitch ① Ceiling installation Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water. Capacity (Btu/h) 1200 1565 1565 Hang the air-in grill to the panel, then connect ② Wall-mounted installation the lead terminator of the swing motor and that control with...
  • Page 94 Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings). Put the side panels and grilles back. ②...
  • Page 95 Since the gravity center of the unit is not at its (Wall or obstacle) physical center, so please be careful when lifting it with a sling. More than 30cm(11.81in) Air inlet More than 30cm (11.81in) Never hold the inlet of the outdoor unit to Maintain channel More than 60cm Air inlet...
  • Page 96 24,000Btu/h 164.5 82.2 1/4" (6.35) 36,000Btu/h 213.8 98.7 3/8" 48,000Btu/h 213.8 98.7 12.0 12.4 (9.52) 60,000Btu/h 213.8 98.7 1/2" 15.4 15.8 (12.7) 12.4.2 The procedure of connecting pipes 5/8" 18.6 19.1 (15.9) Choose the pipe size according to the specification table. 22.9 23.3 3/4"...
  • Page 97 Diameter (kgf.cm) (N.cm) 1/4" (6.35) 144~176 1420~1720 3/8" (9.52) 333~407 3270~3990 1/2" (12.7) 504~616 4950~6030 5/8" (15.9) 630~770 6180~7540 3/4" (19) 990~1210 9270~11860 12.4.3 Installation for the first time 1) Completely tighten the flare nuts of the indoor and outdoor units, confirm that both Air and moisture in the refrigerant system have the 2-way and 3-way valves are set to the undesirable effects as below:...
  • Page 98 the gauge indicates 0.3Mpa (43.5Psi) to 0.5 remove the charge hose from the 3 way Mpa (72.5Psi). valve. 6). Disconnect the charge set and the charging 8) Fully open the 2 way valve and 3 way cylinder, and set the 2-way and 3-way valves to valve and securely tighten the cap of the 3 the open position.
  • Page 99 Be sure to use a hexagonal wrench to operate 3) Put the charging cylinder onto the electronic the valve stems. scale and record the weight. 2). Connect the charge hose with the push pin 4) Operate the air conditioner at the cooling of handle lo to the 3-way valves gas service mode.
  • Page 100 2). Connect the charge set and a charging cylinder to the service port of the 3-way valve Leave the valve on the charging cylinder closed. 3). Air purging. Open the valves on the charging cylinder and the charge set. Purge the air by loosening the flare nut on the 2-way valve approximately 45’...
  • Page 101 Connect charge hose which Improperly installation could lead to leakage disconnected from the vacuum pump to the and eventually wet furniture and belongings. valve at the bottom of the cylinder. If the refrigerant is R410A, make the cylinder bottom 12.5.1 Installation principle up to ensure liquid charge.
  • Page 102 ➢ The drainage pipe of air conditioner shall According to the above table to calculate the be installed separately with other sewage total water flowrate for the confluence pipe pipe, rainwater pipe and drainage pipe in selection. building. ➢ The drainage pipe of the indoor unit with For horizontal drainage pipe (The following water pump should be apart from the one table is for reference)
  • Page 103 ➢ ➢ The false installation will cause converse The air outlet shall face down to prevent dirt water flow and the slope of the branch pipe entering pipe. cannot be adjusted. ➢ Each indoor unit of the system should be Water storage pipe setting installed it.
  • Page 104 operation sound of water pump and observe whether the water can discharge through the transparent hard pipe at drainage outlet. (In light of the length of drainage pipe, water shall be discharged about 1 minute delayed) 2.3 Stop the operation of air conditioner, power off the power supply and put the cover of water test hole back to the original place.
  • Page 105 12.6 Vacuum Drying and Leakage drying, it indicates that there is moisture or leakage in pipeline system and need to go Checking on with drying for half an hour. Purpose of vacuum drying 12.6.1 ➢ If the vacuum degree of vacuum pump still ➢...
  • Page 106 Because nitrogen is dry gas, vacuum Note: damage could achieve the effect of ➢ Refrigerant may only be charged after vacuum drying, but this method could not performed the vacuum drying process. achieve drying thoroughly when there is ➢ Always use gloves and glasses to protect too much moisture.
  • Page 107 ➢ ➢ The insulation material at the joint pipe Gas pipe temperature is very low during shall be banded to the gap pipe and liquid pipe cooling. If insulation is not enough, it shall tightly. form dew and cause leakage. ➢...
  • Page 108 ➢ The test operation must be carried out The single pipe should be insulated before after the entire installation has been connecting to another pipe, the joint part completed. should be insulated after the drainage test. ➢ Please confirm the following points There should be no insulation gap between before the test operation.
  • Page 109 ➢ 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 110: 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℉) -25℃～30℃ 0℃～50℃ Outdoor temperature -25℃～50℃(-13℉～122℉) (E-Star level) (-13℉～86℉) (32℉～122℉) CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally.

  • Page 111: Electronic Function

    14. Electronic Function 14.1 Abbreviation T1: Indoor room temperature T2: Coil temperature of indoor heat exchanger middle. T2B: Coil temperature of indoor heat exchanger outlet. 14.2.3 Icon explanation on indoor display board T3: Coil temperature of condenser (Console). T4: Outdoor ambient temperature T5: Compressor discharge temperature Td: Target temperature 14.2 Display function...
  • Page 112 14.3.3 Temperature protection If the unit runs in heating mode, the indoor fan compressor discharge will be also controlled by anti-cold wind function. When the compressor discharge temp. is getting higher, the running frequency will be 14.3.7 Compressor preheating functions limited as below rules: Preheating permitting condition: ---Compressor discharge temp.
  • Page 113 ---0°C(32°F)≦T2<4°C(39.2°F), the compressor frequency will be limited and decreased to the lower level ---4°C(39.2°F)≤T2≤7°C(44.6°F), compressor will keep the current frequency. ---T2>7°C(44.6°F), the compressor frequency will not be limited. 14.4 Operation Modes and Functions 14.4.1 Fan mode 14.4.2.2 Indoor fan running rules (1) Outdoor fan and compressor stop.
  • Page 114 After the compressor starts up and keeps running, mark the minimum value of T3 from DC_FAN_SSLOW_SPD_ADD 21℃(69.8° F) the 10th minutes to 15th minutes as T30. 19℃(66.2° F) DC_FAN_SLOW_SPD_ADD 1)If the compressor cumulate running time is up 18℃(64.4° F) to 29 minutes and T3< TCDI1, T3 ＋ 16℃(60.8°...
  • Page 115 If the setting temperature is modified, the machine will choose running function again. TEstop Decrease 14.4.5 Drying mode TEdown Hold Drying mode works the same as cooling mode TEH2 Resume in low speed. All protections are active and the same as that in cooling mode.
  • Page 116 14.4.7.2. Operation process in sleep mode is as will not respond. When the unit is running with follow: follow me function, the PCB will control the unit according to the temperature from follow me When cooling, the setting temperature rises 1℃ signal, and the temperature collection function (33.8°F) (be lower than 30℃(86°F)) every one of room temperature sensor will be shielded.
  • Page 117 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 cooling.
  • Page 118 TH temp. Targeted Frequency Targeted Frequency Actual Frequency Actual Frequency Indoor fan speed Indoor fan speed Outdoor fan speed Outdoor fan speed EXV opening angle EXV opening angle Compressor continuous running time Compressor continuous running time Causes of compressor stop. Causes of compressor stop.
  • Page 119 T1,T2,T3,T4, 1. All the displaying temperature is actual -1F,-1E,-1d,-1c,- -25,-24,-23,-22,-21,-2 1b,-1A value. T2B,TP,TH, 2. All the temperature is °C no matter -19—99 -19—99 Targeted what kind of remote controller is used. Frequency, A0,A1,…A9 100,101,…109 3. T1,T2,T3,T4,T2B display range:-25~70, Actual b0,b1,…b9 110,111,…119 Frequency TP display range:-20~130.

  • Page 120: Troubleshooting

    15. Troubleshooting Safety Electricity power is still kept in capacitors even the power supply is shut off. Do not forget to discharge the electricity power in capacitor. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) For other models, please connect discharge resistance (approx.100Ω 40W) or soldering iron (plug) between +, - terminals of the electrolytic capacitor on the contrary side of the outdoor PCB.
  • Page 121 Note: The picture above is only for reference. The plug of your side may be different.
  • Page 122 16.1 Indoor Unit Error Display Operation Timer lamp Display LED STATUS lamp ☆ 1 time Indoor unit EEPROM error Communication malfunction between indoor and ☆ 2 times outdoor units. ☆ 4 times Indoor fan speed has been out of control Indoor room temperature sensor T1 open circuit or short ☆...
  • Page 123 ☆ 4 times Outdoor low temperature protection ☆ ☆ 5 times Inverter compressor drive error ☆ ☆ 6 times Mode conflict ☆ ☆ 7 times Compressor low-pressure protection ☆ ☆ 8 times Outdoor IGBT temperature sensor error ☆ O（light） X（off） ☆（flash）...
  • Page 124 16.2 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 125 Communication malfunction between main control board ☆ ☆ and driver board For 36K-60K Outdoor Unit Problems Error Code Communication malfunction between indoor and outdoor units. Protection of over-current Open circuit or short circuit of outdoor ambient temperature sensor T4 Open circuit or short circuit of condenser coil temperature sensor T3 Open circuit or short circuit of Compressor discharge temperature sensor T5 Outdoor unit EEPROM error...
  • Page 126 Outdoor check function Display Remark Display running frequency, running state or malfunction Normal display code Actual data*HP*10 If capacity demand code is higher than 99, the digital display tube will show single digit and tens digit. (For example, the Indoor unit capacity demand code digital display tube show “5.0”,it means the capacity demand is 15.
  • Page 127 Outdoor unit running mode code Off:0, Fan only 1,Cooling:2, Heating:3, Forced cooling:4 Actual data/4. If the value is higher than 99, the digital display tube will EXV open angle show single digit and tens digit. For example, the digital display tube show “2.0”,it means the EXV open angle is 120×4=480p.) Frequency limit caused by Bit7...
  • Page 128 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 129 16.3 Diagnosis and Solution 16.3.1 EEPROM error diagnosis and solution (E0/F4) E0/F4 Error Code Malfunction decision Indoor or outdoor PCB main chip does not receive feedback conditions from EEPROM chip. Supposed causes Installation mistake ● PCB faulty ● Trouble shooting: Power off, then restart the unit 2 minutes later.
  • Page 130 16.3.2 Communication malfunction between indoor and outdoor units diagnosis and solution (E1) Error Code Malfunction decision Indoor unit does not receive the feedback from outdoor unit during conditions 110 seconds and this condition happens four times continuously. Supposed causes Wiring mistake ●...
  • Page 131 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 132 16.3.3 Fan speed has been out of control diagnosis and solution (E3) Error Code Malfunction decision When indoor fan speed keeps too low (300RPM) for certain time, conditions the unit will stop and the LED will display the failure. Wiring mistake ●...
  • Page 134 Index 1: 1. Indoor DC fan motor(control chip is inside fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector. If the value of the voltage is not in the range showing in below table, the PCB must have problems and need to be replaced.
  • Page 135 16.3.4 Open circuit or short circuit of temperature sensor diagnosis and solution (E4/E5/F1/F2/F3) E4/E5/F1/F2/F3 Error Code Malfunction decision If the sampling voltage is lower than 0.06V or higher than 4.94V, conditions the LED will display the failure. Supposed causes Wiring mistake ●...
  • Page 136 16.3.5 Refrigerant Leakage Detection diagnosis and solution (EC) Error Code Malfunction decision Define the evaporator coil temp.T2 of the compressor just starts conditions running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 ＜Tcool－2℃ does not keep continuous 4 seconds and this situation happens 3 times, the display area will show “EC”...
  • Page 137 Water-level alarm malfunction 16.3.6 diagnosis and solution Error Code Malfunction decision If the sampling voltage is not 5V, the LED will display the conditions failure. ● Wiring mistake ● Water-level switch faulty Supposed causes ● Water pump faulty ● Indoor PCB faulty Power off, then restart the unit 3 minutes Power off, then restart the unit 3 minutes later.
  • Page 138 16.3.7 IPM malfunction or IGBT over-strong current protection diagnosis and solution (P0) Error Code Malfunction decision When the voltage signal that IPM send to compressor drive chip is abnormal, the display LED will show “P0” and AC will turn off. conditions Wiring mistake;...
  • Page 141 16.3.8 Over voltage or too low voltage protection diagnosis and solution (P1) Error Code Malfunction decision An abnormal voltage rise or drop is detected by checking the conditions specified voltage detection circuit. Power supply problems. ● Supposed causes System leakage or block ●...
  • Page 142 16.3.9 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 143 Check the air flow system Clear up the air inlet and outlet or the heat of indoor and outdoor units exchanger of indoor and outdoor units. Power off, then restart the unit 10 minutes later Check if the temperature Check the overload Correct the connection.
  • Page 144 16.3.10 Inverter compressor drive error diagnosis and solution(P4) Error Code An abnormal inverter compressor drive is detected by a special Malfunction decision detection circuit, including communication signal detection, conditions voltage detection, compressor rotation speed signal detection and so on. Wiring mistake; IPM malfunction; Outdoor fan ass’y faulty Supposed causes Compressor malfunction;...
  • Page 145 16.4 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 146 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 147 26.8778 4.21263 0.99815 0.31559 25.4954 4.04589 0.96681 0.30754 24.1932 3.88673 0.93662 0.29974 22.5662 3.73476 0.90753 0.29216 21.8094 3.58962 0.8795 0.28482 20.7184 3.45097 0.85248 0.2777 19.6891 3.31847 0.82643 0.27078 18.7177 3.19183 0.80132 0.26408 17.8005 3.07075 0.77709 0.25757 16.9341 2.95896 0.75373 0.25125 16.1156 2.84421 0.73119...
  • Page 148 Appendix 2 Temperature Sensor Resistance Value Table for T5 (℃--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 149 140.4 23.89 5.844 1.856 133.5 22.89 5.663 1.808 127.1 22.1 5.488 1.762 21.26 5.32 1.717 115.2 20.46 5.157 1.674 109.8 19.69 1.632 104.6 18.96 4.849 99.69 18.26 4.703 95.05 17.58 4.562 90.66 16.94 4.426 86.49 16.32 4.294 82.54 15.73 4.167 78.79 15.16 4.045...
  • Page 150 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 151 2. Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value ASN98D22UFZ ASM135D23UFZ ATF235D22UMT ATF250D22UMT ATF310D43UMT ATQ420D1UMU 0.65 Ω Blue - Ω 0.38 0.75 Ω 1.75 Ω 0.75 Ω Blue - 1.57Ω Black Red - Blue...
  • Page 152 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 153 12.0 10.0 75 （23.89）85 （29.44） 105 （40.56 115 （46.11 Outdoor temp. （35） ） ）...
  • Page 154 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...

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