Chigo CSG-07HVR4-A(J150) Technical Manual
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Chigo CSG-07HVR4-A(J150) Technical Manual

Dc inverter multi-split
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DC Inverter Multi-Split
System Technical Manual
- 50Hz/R32
2019/03/12

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Summary of Contents for Chigo CSG-07HVR4-A(J150)

  • Page 1 DC Inverter Multi-Split System Technical Manual - 50Hz/R32 2019/03/12...

  • Page 2: Table Of Contents

    9. Exploded View ....................37 10. Accessories ....................... 43 11. Troubleshooting ....................44 Duct Type………………………………….……………………………………..45 1. Features ......................45 2. Specifications ....................47 3. Dimensions ......................48 4. Service Space ....................49 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 3 5. Piping Diagrams ....................93 6. Wiring Diagrams ....................96 7. Combination Capacity Table ................100 8. Field Wiring ...................... 121 9. Electric Characteristics ..................122 10.Operation Limits ....................123 11. Sound Levels ....................124 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 4 Preparation before debugging ............... 158 Filling of names of connecting systems ............159 Precautions against refrigerant leak .............. 160 Part 6. Controller…… ................. 162 1. Wireless Remote Controller ................162 2. Wired Controller ..................... 162 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 5: Part 1. General Information

    New electric control box material changes from metal to plastic, which not only reduces the weight, but also avoids the short circuit caused by the PCB touching the metal box. 1.4 System design 1.4.1 Anticorrosive components design, leading to longer service live. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 6 Different indoor units for choice. You can choose different indoor units appearance for your favorite. 1.5.2 Much more indoor units for free combination, meeting for different requirement such as office, house use, villa and etc. One or more indoor units’ connection combination for your choice. 1.5.3 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 7: Nomenclature

    Working Condition Omit:T1 condition; T:T3 condition. Product series CA:4-way cassette; CB:Compact 4-way Casssette TA;Low ESP Duct; TB:Mid ESP Duct; TH:High ESP Duct;UA:Floor & Ceiling SG:Multi Wall type;SC:Multi 4-way Cassette;ST:Multi Duct. C:Chigo HVAC GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 8 Omit:T1 condition; T:T3 condition. Product series OU:Universal type; OT:Top-discharge; OW:Non-universal Match Code Omit:unitary series; 2:Multi 1 drives 2; 3:Multi 1 drives 3; 4:Multi 1 drives 4; 5:Multi 1 drives 5 C:Chigo HVAC GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 9: Products Line-Up

    17/19.5 220~240V/1Ph/50Hz CST-09HVR4-A 814×210×467 17/19.5 220~240V/1Ph/50Hz CST-12HVR4-A 814×210×467 17/19.5 220~240V/1Ph/50Hz CST-18HVR4-A 1010×210×467 20.5/24 220~240V/1Ph/50Hz Cassette unit CSC-07HVR4-A 565×267×565 16.5/21.5 220~240V/1Ph/50Hz CSC-09HVR4-A 565×267×565 16.5/21.5 220~240V/1Ph/50Hz CSC-12HVR4-A 565×267×565 16.5/21.5 220~240V/1Ph/50Hz CSC-18HVR4-A 565×267×565 16.5/21.5 220~240V/1Ph/50Hz GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 10 41/44 220~240V/1Ph/50Hz C2OU-18HDR4-A 944×608×345 41/44 220~240V/1Ph/50Hz DC Tri-split C3OU-21HDR4-A 989×843×392 53.7/64.1 220~240V/1Ph/50Hz C3OU-27HDR4-A 989×843×392 56.1/66.6 220~240V/1Ph/50Hz DC Fourfold-split C4OU-28HDR4-A 1090×997×399 77.7/89..1 220~240V/1Ph/50Hz C4OU-36HDR4-A 1090×997×399 82.6/94 220~240V/1Ph/50Hz DC Fivefold-split C5OU-42HDR4-A 1090×997×399 84.5/95.9 220~240V/1Ph/50Hz GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 11: External Appearance

    R32 DC Inverter Multi-split Technical Manual General Information 4. External Appearance 4.1 Indoor Units Wall Mounted 150 Series 155 Series 156 Series Ducted Units 4-way compact Cassette GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 12 R32 DC Inverter Multi-split Technical Manual General Information 4.2 Outdoor Units DC Dual-split DC Triple split DC Fourfold & Fivefold split GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 13: Combination Table

    R32 DC Inverter Multi-split Technical Manual General Information 5. Combination Table GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 14 R32 DC Inverter Multi-split Technical Manual General Information Outdoor Unit Qty. of indoor units Combination Table (kBtu/h) C2OU-14HDR4-A 7+12 C2OU-18HDR4-A 7+12 9+12 12+12 7+12 7+18 C3OU-21HDR4-A 9+12 9+18 12+12 GD Chigo Heating & Ventilation Equipment Co., Ltd. 7+7+7 7+7+9...
  • Page 15 R32 DC Inverter Multi-split Technical Manual General Information 7+9+9 7+7+12 9+9+9 7+12 7+18 9+12 9+18 12+12 12+18 7+7+7 C3OU-27HDR4-A 7+7+9 7+7+12 7+7+18 7+9+9 7+9+12 7+9+18 7+12+12 9+9+9 9+9+12 9+12+12 7+12 C4OU-28HDR4-A 7+18 9+12 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 16 General Information 9+18 12+12 12+18 18+18 7+7+7 7+7+9 7+7+12 7+7+18 7+9+9 7+9+12 7+9+18 7+12+12 9+9+9 9+9+12 9+9+18 9+12+12 7+7+7+7 7+7+7+9 7+7+7+12 7+7+9+9 7+7+9+12 7+9+9+9 9+9+9+9 7+7+7 7+7+12 7+7+18 C4OU-36HDR4-A 7+9+9 7+9+12 7+9+18 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 17 R32 DC Inverter Multi-split Technical Manual General Information 7+12+12 9+9+9 9+9+12 9+9+18 9+12+12 9+12+18 9+18+18 12+12+12 12+12+18 7+7+7+7 7+7+7+9 7+7+7+12 7+7+7+18 7+7+9+9 7+7+9+12 7+7+9+18 7+7+12+12 7+7+12+18 7+9+9+9 7+9+9+12 7+9+9+18 7+9+12+12 7+9+12+18 7+12+12+12 9+9+9+9 9+9+9+12 9+9+9+18 9+9+12+12 9+12+12+12 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 18 General Information 7+7+7+7 7+7+7+9 7+7+7+12 7+7+7+18 7+7+9+9 7+7+9+12 7+7+9+18 7+7+12+12 7+7+12+18 7+7+18+18 7+9+9+9 7+9+9+12 7+9+9+18 7+9+12+12 7+9+12+18 C5OU-42HDR4-A 7+12+12+12 7+12+12+18 9+9+9+9 9+9+9+12 9+9+9+18 9+9+12+12 9+9+12+18 9+9+18+18 9+12+12+12 9+12+12+18 7+7+7+7+7 7+7+7+7+9 7+7+7+7+12 7+7+7+7+18 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 19 R32 DC Inverter Multi-split Technical Manual General Information 7+7+7+9+9 7+7+7+9+12 7+7+7+9+18 7+7+7+12+12 7+7+7+12+18 7+7+9+9+9 7+7+9+9+12 7+7+9+9+18 7+7+9+12+12 7+7+9+12+18 7+7+12+12+12 7+9+9+9+9 7+9+9+9+12 7+9+9+9+18 9+9+9+9+9 9+9+9+9+12 9+9+9+9+18 9+9+9+12+12 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 20: Part 2. Indoor Units

    The different style panels can satisfy your different requirements. All the units have various functions, such as the function of auto-restart, sleep mode are standard, golden fins and some filter for optional. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 21: Specifications

    Refrigerant Type Ф6.35/Ф9.52 Ф6.35/Ф9.52 Ф6.35/Ф9.52 Refrigerant pipe (Liquid side/ Gas side) Drainage water pipe diameter DN25 DN25 DN25 Remote Controller Remote Controller Remote Controller Controller(standard) (chigo) (chigo) (chigo) Application area 10-15 12-18 16-23 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 22 3. Sound level: measured at a point 1 m in front of the unit at a height of 1.5 m. During actual operation, these values are normally somewhat higher as a result of ambient conditions. 4. The above data may be changed without notice for future improvement on quality and performance. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 23: Dimensions

    R32 DC Inverter Multi-split Technical Manual Indoor Units 3. Dimensions Unit: mm Capacity 07/09/12k Btu/h 18k Btu/h 24k Btu/h 1180 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 24: Service Space

    Indoor unit outline mm or 120 mm or more to wall more to wall Right rear side refrigerant pipe hole Left rear side refrigerant pipe hole Model A(mm) B(mm) ≤12000Btu/h 18000Btu/h 24000Btu/h 1200 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 25: Wiring Diagrams

    ( 12K ) 155,156 ( 9K ) Type Type choice choice2 Remark： OFF ON 1、Make Memory short-circuit is a power outage memory otherwise for nothing 2、According to the specific models to dial the code GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 26 R32 DC Inverter Multi-split Technical Manual Indoor Units CSG-18HVR4-A、CSG-24HVR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 27: Capacity Table

    2.15 3.28 2.03 (2.6kW) 1.84 1.75 2.18 1.82 2.51 1.91 2.60 1.95 2.77 2.14 3.09 2.13 3.25 2.00 1.84 1.75 2.18 1.82 2.51 1.91 2.60 1.95 2.77 2.14 3.06 2.11 3.22 1.96 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 28 2.78 1.87 2.97 1.61 1.84 1.75 2.18 1.82 2.51 1.91 2.60 1.94 2.58 2.01 2.74 1.85 2.91 1.57 1.84 1.75 2.18 1.82 2.51 1.91 2.60 1.92 2.55 1.96 2.69 1.82 2.86 1.55 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 29 6.05 4.00 6.28 3.67 3.71 3.11 4.42 3.42 4.33 3.83 5.30 3.94 5.78 4.07 6.01 3.96 6.23 3.62 3.71 3.11 4.42 3.42 4.33 3.83 5.30 3.94 5.78 4.07 5.96 3.92 6.20 3.57 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 30 7.39 5.02 7.61 4.47 4.92 4.44 5.80 4.63 6.69 5.21 7.10 5.19 7.22 5.08 7.31 4.92 7.46 4.38 4.92 4.44 5.80 4.63 6.69 5.21 7.10 5.15 7.17 5.03 7.24 4.87 7.38 4.33 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 31 -9.50 2.04 2.04 2.04 2.04 2.04 2.04 (2.6kW) -9.10 -8.50 2.10 2.10 2.10 2.10 2.10 2.10 -7.60 -7.00 2.13 2.13 2.13 2.13 2.13 2.13 -5.60 -5.00 2.23 2.23 2.23 2.23 2.23 2.23 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 32 7.90 9.00 3.00 3.00 2.90 2.80 2.68 2.39 9.80 11.00 3.09 3.09 2.90 2.80 2.68 2.39 11.80 13.00 3.22 3.16 2.90 2.80 2.68 2.39 13.70 15.00 3.32 3.16 2.90 2.80 2.68 2.39 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 33 -9.10 -8.50 4.13 4.13 4.13 4.13 4.13 4.13 -7.60 -7.00 4.19 4.19 4.19 4.19 4.19 4.19 -5.60 -5.00 4.38 4.38 4.38 4.38 4.38 4.38 -3.70 -3.00 4.63 4.63 4.63 4.63 4.63 4.63 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 34 7.90 9.00 7.84 7.84 7.40 7.36 6.96 6.32 9.80 11.00 8.08 8.08 7.40 7.36 6.96 6.32 11.80 13.00 8.40 8.24 7.40 7.36 6.96 6.32 13.70 15.00 8.64 8.24 7.40 7.36 6.96 6.32 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 35: Electric Characteristics

    0.023 CSG-24HVR4-A(150) 220-240 V 3.15 0.018 CSG-24HVR4-A(155) 220-240 V 3.15 0.018 CSG-24HVR4-A(156) 220-240 V 3.15 0.018 Remark: MFA: Max. Fuse Amps. (A) KW: Fan Motor Rated Output (kW) IFM: Indoor Fan Motor GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 36: Sound Level

    R32 DC Inverter Multi-split Technical Manual Indoor Units 8. Sound Level Air outlet side M i crophone Noise leveldB(A) Model High speed CSG-07HVR4-A(150) CSG-07HVR4-A(155) CSG-07HVR4-A(156) CSG-09HVR4-A(150) CSG-09HVR4-A(155) CSG-09HVR4-A(156) CSG-12HVR4-A(150) CSG-12HVR4-A(155) CSG-12HVR4-A(156) CSG-18HVR4-A(150) GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 37 R32 DC Inverter Multi-split Technical Manual Indoor Units CSG-18HVR4-A(155) CSG-18HVR4-A(156) CSG-24HVR4-A(150) CSG-24HVR4-A(155) CSG-24HVR4-A(156) GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 38: Exploded View

    R32 DC Inverter Multi-split Technical Manual Indoor Units 9. Exploded View 150 series GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 39 Fixing tube panel Indoor motor Cross flow fan Motor cover assy Base assy Evaporator components Remote control battery Evaporator assy Chigo Elf general remote General manual plastic bag of export Evaporator damping rubber strip GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 40 R32 DC Inverter Multi-split Technical Manual Indoor Units 155 series GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 41 Fixing tube panel Indoor motor Cross flow fan Motor cover assy Base assy Evaporator components Remote control battery Evaporator assy Chigo Elf general remote General manual plastic bag of export Evaporator damping rubber strip GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 42 R32 DC Inverter Multi-split Technical Manual Indoor Units 156 series GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 43 Fixing tube panel Indoor motor Cross flow fan Motor cover assy Base assy Evaporator components Remote control battery Evaporator assy Chigo Elf general remote General manual plastic bag of export Evaporator damping rubber strip GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 44: Accessories

    R32 DC Inverter Multi-split Technical Manual Indoor Units 10. Accessories NAME SHAPE QUANTITY Insulating tube Ribbon Remote controller Battery Swell stopper Self-tapping screw Outlet pipe Blank valve bag GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 45: Troubleshooting

    Alarming fault of water level LED alarming light shines quickly Mode impact fault LED defrost light shines quickly Outdoor unit fault LED alarming light shines slowly EEPROM malfunction LED defrost light shines slowly GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 46: Duct Type

    1.2 Adopting aviation centrifugal fans, and CFD technology design, increasing air-volume and decreasing noise level. 1.3 Three fan speed, meet different requirement. 1.4 High efficiency DC fan motor, low noise and more comfortable. Operate in low frequency and control indoor temperature precisely. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 47 R32 DC Inverter Multi-split Technical Manual Indoor Units 1.5 E-box is body-side design, convenient installation and maintenance. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 48: Specifications

    3. Sound level: measured at a point 1 m in front of the unit at a height of 1.5 m. During actual operation, these values are normally somewhat higher as a result of ambient conditions. 4. The above data may be changed without notice for future improvement on quality and performance. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 49: Dimensions

    R32 DC Inverter Multi-split Technical Manual Indoor Units 3. Dimensions Unit: mm Body size Installing size Air outlet size Air return size Size code Model 07/09/12k Btu/h 18k Btu/h 1010 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 50: Service Space

    R32 DC Inverter Multi-split Technical Manual Indoor Units 4. Service Space Ensure enough space required for installation and maintenance. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 51: Wiring Diagrams

    R32 DC Inverter Multi-split Technical Manual Indoor Units 5. Wiring Diagrams CST-07HVR4-A/CST-09HVR4-A/CST-12HVR4-A/CST-18HVR4-A Control l e r WAT ER S WITCH P UMP YE/GN Ri n g us er s elec ti o n Connect to the outdoor GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 52: Capacity Table

    2.02 3.16 1.77 2.09 1.63 2.44 1.86 1.86 2.85 1.99 (2.6kW) 1.74 1.55 2.60 3.03 2.00 3.13 1.76 2.09 1.63 2.44 1.86 1.86 2.85 1.99 1.74 1.55 2.60 3.00 1.98 3.10 1.74 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 53 2.71 1.78 2.80 1.56 2.09 1.63 2.44 1.86 1.74 1.55 2.60 1.85 2.65 1.80 2.68 1.74 2.74 1.53 2.09 1.63 2.44 1.86 1.74 1.55 2.60 1.83 2.63 1.68 2.66 1.72 2.71 1.51 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 54 5.99 3.98 6.19 3.50 3.58 3.20 4.28 3.35 4.98 3.81 5.30 3.81 5.80 4.08 5.94 3.94 6.12 3.47 3.58 3.20 4.28 3.35 4.98 3.81 5.30 3.81 5.80 4.08 5.88 3.90 6.06 3.43 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 55 5.53 3.66 5.70 3.22 3.58 3.20 4.28 3.35 4.98 3.81 5.30 3.79 5.40 3.71 5.47 3.58 5.58 3.15 3.58 3.20 4.28 3.35 4.98 3.81 5.30 3.77 5.36 3.67 5.41 3.54 5.52 3.12 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 56 -9.50 2.04 2.04 2.04 2.04 2.04 2.04 (2.6kW) -9.10 -8.50 2.10 2.10 2.10 2.10 2.10 2.10 -7.60 -7.00 2.13 2.13 2.13 2.13 2.13 2.13 -5.60 -5.00 2.23 2.23 2.23 2.23 2.23 2.23 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 57 7.90 9.00 3.00 3.00 2.90 2.80 2.64 2.39 9.80 11.00 3.09 3.09 2.90 2.80 2.64 2.39 11.80 13.00 3.22 3.16 2.90 2.80 2.64 2.39 13.70 15.00 3.32 3.16 2.90 2.80 2.64 2.39 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 58 -9.10 -8.50 4.03 4.03 4.03 4.03 4.03 4.03 -7.60 -7.00 4.09 4.09 4.09 4.09 4.09 4.09 -5.60 -5.00 4.28 4.28 4.28 4.28 4.28 4.28 -3.70 -3.00 4.53 4.53 4.53 4.53 4.53 4.53 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 59: Electric Characteristics

    11.00 5.98 5.98 5.60 5.41 5.10 4.59 11.80 13.00 6.23 6.10 5.60 5.41 5.10 4.59 13.70 15.00 6.42 6.10 5.60 5.41 5.10 4.59 7. Electric Characteristics Power Indoor Unit Supply Model Voltage GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 60 0.027 CST-09HVR4-A 220-240 V 3.15 0.027 CST-12HVR4-A 220-240 V 3.15 0.027 CST-18HVR4-A 220-240 V 3.15 0.055 Remark: MFA: Max. Fuse Amps. (A) KW: Fan Motor Rated Output (kW) IFM: Indoor Fan Motor GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 61: Sound Level

    R32 DC Inverter Multi-split Technical Manual Indoor Units 8. Sound Level Noise leveldB(A) Model High speed CST-07HVR4-A CST-09HVR4-A CST-12HVR4-A CST-18HVR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 62: Exploded View

    R32 DC Inverter Multi-split Technical Manual Indoor Units 9. Exploded View CST-07HVR4-A / CST-09HVR4-A / CST-12HVR4-A / CST-18HVR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 63 Electric control board plastic base Right pannel attached cotton assy 16.4 Eletronic control board for indoor unit Foam water tray 16.5 Terminal Evaporator assy 16.6 Transformer 11.1 Evaporator pre-welded assy 16.7 Terminal GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 64: Accessories

    Installation instruction for indoor The manual unit Insulating tube Ribbon Dome insulated tip X-type insulated tip Wireless controller Connecting pipe of electronic expansion valve Connection wire for wired controller Blank valve bag GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 65: Troubleshooting

    Alarming fault of water level LED alarming light shines quickly Mode impact fault LED defrost light shines quickly Outdoor unit fault LED alarming light shines slowly EEPROM malfunction LED defrost light shines slowly GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 66: 4-Way Cassette Type

    1.1 New developed panel. Indoor unit. Indoor unit uniform standard panel, simple and convenient. 1.2 Ultra-thin body design, the min. height is only 267mm, save installation space. 1.3 Built-in water pump,water head up to 700 mm. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 67 1.5 Built in water tray, insulating foam coated by special plastic, preventing the leakage of the condensed water effectively 1.6 Standard for wireless controller; option for wired controller. Standard optional GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 68: Specifications

    3. Sound level: measured at a point 1 m in front of the unit at a height of 1.5 m. During actual operation, these values are normally somewhat higher as a result of ambient conditions. 4. The above data may be changed without notice for future improvement on quality and performance. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 69: Dimensions

    R32 DC Inverter Multi-split Technical Manual Indoor Units 3. Dimensions Unit: mm Size Model 7K/9K/12K/18K GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 70: Service Space

    R32 DC Inverter Multi-split Technical Manual Indoor Units 4. Service Space Ensure enough space required for installation and maintenance. Model Machine body height(H) 7K/9K/12K/18K GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 71: Wiring Diagrams

    R32 DC Inverter Multi-split Technical Manual Indoor Units 5. Wiring Diagrams CSC-07HVR4-A/CSC-09HVR4-A/CSC-12HVR4-A/CSC-18HVR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 72: Capacity Table

    2.22 3.04 2.03 (2.6kW) 1.92 1.77 2.20 1.84 2.47 2.10 2.60 2.10 2.80 2.20 2.94 2.21 3.02 2.02 1.92 1.77 2.20 1.84 2.47 2.10 2.60 2.10 2.80 2.20 2.92 2.19 3.00 2.00 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 73 2.69 2.04 2.76 1.86 1.92 1.77 2.20 1.84 2.47 2.10 2.60 2.09 2.64 2.05 2.67 2.01 2.71 1.84 1.92 1.77 2.20 1.84 2.47 2.10 2.60 2.08 2.62 2.04 2.64 1.99 2.69 1.82 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 74 5.86 4.24 6.01 3.86 3.92 3.61 4.48 3.74 5.04 4.10 5.30 4.10 5.70 4.32 5.81 4.21 5.96 3.83 3.92 3.61 4.48 3.74 5.04 4.10 5.30 4.10 5.70 4.32 5.76 4.17 5.91 3.80 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 75 5.48 3.98 5.63 3.63 3.92 3.61 4.48 3.74 5.04 4.10 5.30 4.09 5.38 4.02 5.44 3.92 5.53 3.57 3.92 3.61 4.48 3.74 5.04 4.10 5.30 4.07 5.34 3.99 5.39 3.99 5.48 3.55 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 76 -9.50 2.04 2.04 2.04 2.04 2.04 2.04 (2.6kW) -9.10 -8.50 2.10 2.10 2.10 2.10 2.10 2.10 -7.60 -7.00 2.13 2.13 2.13 2.13 2.13 2.13 -5.60 -5.00 2.23 2.23 2.23 2.23 2.23 2.23 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 77 7.90 9.00 3.00 3.00 2.90 2.80 2.64 2.39 9.80 11.00 3.09 3.09 2.90 2.80 2.64 2.39 11.80 13.00 3.22 3.16 2.90 2.80 2.64 2.39 13.70 15.00 3.32 3.16 2.90 2.80 2.64 2.39 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 78 -9.10 -8.50 4.35 4.35 4.35 4.35 4.35 4.35 -7.60 -7.00 4.40 4.40 4.40 4.40 4.40 4.40 -5.60 -5.00 4.55 4.55 4.55 4.55 4.55 4.55 -3.70 -3.00 4.75 4.75 4.75 4.75 4.75 4.75 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 79 7.90 9.00 5.75 5.75 5.60 5.45 5.20 4.80 9.80 11.00 5.90 5.90 5.60 5.45 5.20 4.80 11.80 13.00 6.10 6.00 5.60 5.45 5.20 4.80 13.70 15.00 6.25 6.00 5.60 5.45 5.20 4.80 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 80: Electric Characteristics

    0.035 CSC-09HVR4-A 220-240 V 3.15 0.035 CSC-12HVR4-A 220-240 V 3.15 0.035 CSC-18HVR4-A 220-240 V 3.15 0.035 Remark: MFA: Max. Fuse Amps. (A) KW: Fan Motor Rated Output (kW) IFM: Indoor Fan Motor GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 81: Sound Level

    R32 DC Inverter Multi-split Technical Manual Indoor Units 8. Sound Level Compact 4-way cassette unit 1.4 m Microphone Noise leveldB(A) Model High speed CSC-07HVR4-A CSC-09HVR4-A CSC-12HVR4-A CSC-18HVR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 82: Exploded View

    R32 DC Inverter Multi-split Technical Manual Indoor Units 9. Exploded View CSC-07HVR4-A / CSC-09HVR4-A / CSC-12HVR4-A / CSC-18HVR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 83 Lug 1 Refrigerant tube support plate Water pump gasket 1 component Water pump about seat Dash panel stick cotton component Water pump brace Water level switch The evaporator components The evaporator pressure GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 84: Accessories

    Indoor Units 10. Accessories NAME SHAPE QUANTITY Insulating tube Large-sized heat insulating mattress Ribbon Dome insulated tip X-type insulated tip Remote controller Battery Screw configuration Hoop Drain pipe Expandable screw Blank valve bag GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 85: Troubleshooting

    Fault of indoor temperature sensor LED running shines quickly Alarming fault of water level LED alarming light shines quickly Mode impact fault LED defrost light shines quickly Outdoor unit fault LED alarming light shines slowly GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 86 R32 DC Inverter Multi-split Technical Manual Indoor Units EEPROM malfunction LED defrost light shines slowly GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 87: Part 3. Outdoor Units

    1.2 Soft start, the start current of the compressor is small and smooth. 1.3 Easy piping and wiring connection, no welding and only flare nut connection which makes the installation work easy and convenient. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 88 (Between each IU Max. pipe length and OU) Max. height difference 3×2.5 mm 3×2.5 mm Power wiring Connection wiring 4×1 mm 4×1 mm Signal wiring ˚C -15~52 -15~48 Ambient temperature Application area 2×(10~15) 2×(12~18) GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 89 Max. pipe length (Between each IU and OU) Max. height difference 3×4 mm 3×4 mm Power wiring Connection wiring 4×1 mm 4×1 mm Signal wiring ˚C -15~52 -15~52 Ambient temperature Application area 3×(10~15) 3×(12~18) GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 90 OU) Max. height difference 3×6 mm 3×6mm 3×6mm Power wiring Connection wiring 4×1 mm 4×1 mm 4×1 mm Signal wiring ˚C -15~52 -15~52 -15~52 Ambient temperature Application area 4×(10~15) 4×(12~18) 5×(12~18) GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 91 3. Sound level: measured at a point 1 m in front of the unit at a height of 1.5 m. During actual operation, these values are normally somewhat higher as a result of ambient conditions. 4. The above data may be changed without notice for future improvement on quality and performance. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 92: Dimensions

    R32 DC Inverter Multi-split Technical Manual Outdoor Units 3. Dimensions Outdoor unit dimension Mounting dimensions mm(L1 L2(mm) W2(mm) × × 14K/18K 940×609×352 21K/27K 991×839×388 28K~42K 1090 ×994×400 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 93: Service Space

    R32 DC Inverter Multi-split Technical Manual Outdoor Units 4. Service Space GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 94: Piping Diagrams

    C api l l ary O i l separat or G as val ve A S hutof f val ve C om pressor G as val ve B C3OU-21HDR4-A C3OU-27HDR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 95 Condenser Coil temp EXVC sensor 4-way valve Filter D Capillary D Liquid valve D Oil separator Gas valve A Compressor Gas valve B Gas valve C Shutoff valve Gas valve D C5OU-42HDR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 96 Capillary D Liquid valve D Oil separator EXVE Filter E Capillary E Liquid valve E Gas valve A Compressor Gas valve B Gas valve C Shutoff valve Gas valve D Gas valve E GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 97: Wiring Diagrams

    L-IN temp. Outdoor ambient GND1 YE/GN GND2 The ring YE/GN (Reserved) 4-WAY Outdoor coil temp. 4-WAY Exhaust temp. (Reserved) NOTE:Around the ring 3 ring YE/GN EV-B DC-FAN TEST (Reserved) EV-A HEAT HEAT GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 98 Outdoor Display Board 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 CN6 CN1 CN2 P E Q X E Y C R Y WG GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 99 Lc Nc Sc Ld Nd Sd Board 2 3 4 2 3 4 1 2 3 4 1 2 3 4 CN6 CN1 CN2 P E Q X E Y C R Y WG GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 100 Lc Nc Ld Nd Sd Le Ne Se 2 3 4 2 3 4 1 2 3 1 2 3 CN6 CN1 CN2 P E Q X E Y C R Y WG GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 101: Combination Capacity Table

    4.45 0.93 4.48 0.96 4.28 0.88 4.31 0.90 4.33 0.91 4.36 0.93 4.38 0.95 4.42 0.98 4.45 1.00 4.25 0.92 4.27 0.94 4.30 0.96 4.32 0.98 4.35 0.99 4.38 1.02 4.42 1.04 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 102 3.87 1.54 3.90 1.57 3.68 1.49 3.70 1.51 3.73 1.52 3.75 1.54 3.78 1.56 3.81 1.58 3.84 1.61 3.62 1.53 3.64 1.55 3.67 1.57 3.69 1.58 3.72 1.60 3.75 1.63 3.78 1.65 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 103 2.03 5.39 1.98 5.32 1.93 5.24 1.87 5.64 2.17 5.57 2.12 5.49 2.06 5.42 2.01 5.35 1.96 5.27 1.90 19.8 5.67 2.20 5.60 2.15 5.52 2.09 5.45 2.04 5.38 1.99 5.30 1.93 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 104 5.58 1.39 5.62 1.42 5.39 1.33 5.42 1.35 5.45 1.37 5.47 1.39 5.50 1.41 5.54 1.45 5.58 1.48 5.35 1.38 5.38 1.40 5.41 1.42 5.44 1.45 5.46 1.47 5.50 1.50 5.54 1.53 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 105 5.15 1.96 5.19 1.99 4.96 1.90 4.99 1.92 5.02 1.94 5.05 1.96 5.08 1.98 5.12 2.01 5.15 2.04 4.92 1.95 4.95 1.97 4.98 1.99 5.01 2.01 5.04 2.03 5.08 2.06 5.12 2.09 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 106 1.98 6.07 1.93 5.99 1.89 5.91 1.83 6.32 2.11 6.25 2.06 6.17 2.00 6.10 1.96 6.02 1.91 5.94 1.86 19.8 6.35 2.13 6.28 2.09 6.20 2.03 6.13 1.99 6.06 1.94 5.97 1.89 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 107 6.56 1.62 6.61 1.65 6.31 1.54 6.34 1.56 6.39 1.58 6.42 1.62 6.46 1.64 6.52 1.67 6.56 1.71 6.26 1.59 6.30 1.63 6.33 1.65 6.38 1.67 6.41 1.70 6.46 1.73 6.52 1.78 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 108 5.79 2.31 5.85 2.34 5.50 2.23 5.55 2.26 5.58 2.29 5.62 2.31 5.65 2.33 5.71 2.37 5.75 2.41 5.42 2.30 5.45 2.32 5.49 2.34 5.52 2.37 5.57 2.40 5.62 2.44 5.66 2.47 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 109 2.49 7.31 2.55 7.20 2.62 7.10 2.69 7.64 2.39 7.55 2.46 7.44 2.53 7.34 2.59 7.25 2.67 7.13 2.73 19.8 7.68 2.43 7.59 2.50 7.48 2.57 7.39 2.62 7.28 2.71 7.18 2.76 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 110 8.36 2.09 8.42 2.13 8.07 2.00 8.11 2.03 8.15 2.06 8.20 2.09 8.24 2.12 8.30 2.16 8.36 2.21 8.01 2.07 8.06 2.10 8.10 2.13 8.14 2.16 8.18 2.19 8.24 2.24 8.30 2.28 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 111 7.71 2.93 7.77 2.97 7.43 2.84 7.47 2.87 7.52 2.90 7.56 2.93 7.61 2.96 7.67 3.01 7.71 3.06 7.37 2.91 7.41 2.94 7.46 2.97 7.50 3.01 7.55 3.04 7.61 3.09 7.67 3.13 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 112 2.99 9.10 3.06 9.00 3.14 8.87 3.21 9.48 2.88 9.38 2.96 9.26 3.03 9.14 3.09 9.04 3.18 8.91 3.25 19.8 9.54 2.91 9.42 3.00 9.30 3.06 9.19 3.14 9.08 3.23 8.97 3.29 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 113 8.67 2.13 8.74 2.17 8.37 2.04 8.42 2.07 8.46 2.10 8.51 2.13 8.56 2.17 8.62 2.20 8.67 2.26 8.31 2.11 8.36 2.14 8.41 2.17 8.46 2.20 8.49 2.23 8.56 2.29 8.62 2.33 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 114 8.01 2.99 8.07 3.03 7.72 2.90 7.75 2.93 7.80 2.96 7.85 2.99 7.90 3.02 7.96 3.07 8.01 3.12 7.65 2.97 7.70 3.00 7.75 3.03 7.79 3.07 7.84 3.10 7.90 3.15 7.96 3.19 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 115 2.81 9.10 2.88 9.00 2.95 8.87 3.02 9.49 2.71 9.38 2.79 9.26 2.85 9.15 2.91 9.04 2.99 8.92 3.06 19.8 9.54 2.74 9.43 2.82 9.30 2.88 9.20 2.95 9.08 3.04 8.97 3.10 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 116 11.15 2.88 11.23 2.94 10.76 2.75 10.82 2.79 10.88 2.83 10.94 2.88 10.99 2.92 11.07 2.97 11.15 3.04 10.68 2.85 10.74 2.89 10.80 2.94 10.86 2.97 10.92 3.02 10.99 3.09 11.07 3.15 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 117 10.29 4.04 10.37 4.10 9.91 3.91 9.96 3.95 10.03 3.99 10.08 4.04 10.14 4.08 10.22 4.14 10.29 4.20 9.84 4.01 9.88 4.05 9.95 4.10 10.00 4.14 10.07 4.18 10.14 4.25 10.22 4.31 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 118 3.54 11.54 3.62 11.40 3.72 11.25 3.80 12.02 3.41 11.89 3.51 11.73 3.58 11.59 3.67 11.46 3.77 11.30 3.85 19.8 12.09 3.45 11.94 3.55 11.78 3.63 11.66 3.72 11.51 3.82 11.36 3.90 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 119 13.01 3.29 13.10 3.36 12.55 3.15 12.63 3.20 12.69 3.25 12.76 3.29 12.83 3.35 12.91 3.41 13.01 3.49 12.46 3.26 12.54 3.31 12.60 3.36 12.68 3.41 12.74 3.46 12.83 3.54 12.91 3.60 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 120 12.00 4.63 12.10 4.70 11.57 4.48 11.63 4.53 11.71 4.58 11.77 4.63 11.84 4.68 11.93 4.74 12.00 4.83 11.48 4.59 11.53 4.65 11.61 4.70 11.67 4.74 11.75 4.79 11.84 4.87 11.93 4.94 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 121 4.19 13.35 4.29 13.20 4.41 13.02 4.50 13.92 4.03 13.76 4.15 13.58 4.25 13.42 4.34 13.27 4.46 13.08 4.57 19.8 13.99 4.09 13.83 4.21 13.64 4.30 13.49 4.41 13.33 4.53 13.16 4.62 GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 122: Field Wiring

    R32 DC Inverter Multi-split Technical Manual Outdoor Units 8. Field Wiring GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 123: Electric Characteristics

    C5OU-42HDR4-A 220-240 28.0 0.165 Remark: TOCA: Total Over-currentAmps. (A) MFA: Max. Fuse Amps. (A) MSC: Max. starting Amps. (A) RLA: Rated Locked Amps. (A) OFM: Fan Motor. KW: Rated Motor Output (kW) GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 124: Operation Limits

    R32 DC Inverter Multi-split Technical Manual Outdoor Units 10. Operation Limits Heating Cooling 24 30 Indoor temperature( ℃ DB) Indoor temperature( ℃ WB) GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 125: Sound Levels

    R32 DC Inverter Multi-split Technical Manual Outdoor Units 11. Sound Levels Microphone Outdoor unit 1.0 m 1.5 m Noise level dB(A) Model C2OU-14HDR4-A C2OU-18HDR4-A C3OU-21HDR4-A C3OU-27HDR4-A C4OU-28HDR4-A C4OU-36HDR4-A C5OU-42HDR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 126: Exploded View

    R32 DC Inverter Multi-split Technical Manual Outdoor Units 12. Exploded View C2OU-14HDR4-A / C2OU-18HDR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 127 20.3 Distributing capillary assembly 10.2 EXV coil 20.4 L-shape tube 10.3 Two-way filter 20.5 Process pipe 10.4 Transition tube 20.6 Probe of copper pipe 10.5 3-way tube 20.7 Length of straight pipe GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 128 R32 DC Inverter Multi-split Technical Manual Outdoor Units E-parts 21.4 Electric wires 21.1 Electric wires 21.5 Terminal 21.2 Line pressing button 21.6 Four-core switch wire 21.3 Integrated PCB GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 129 R32 DC Inverter Multi-split Technical Manual Outdoor Units C3OU-21HDR4-A / C3OU-27HDR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 130 4-way valve assembly front net condenser welding assembly inverter compressor GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 131 R32 DC Inverter Multi-split Technical Manual Outdoor Units C4OU-28HDR4-A / C4OU-36HDR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 132 21.1 condenser assembly straight pipe 21.2 gas collector assembly Valve holder part 21.3 Distributing capillary assembly low pressure valve welding 21.4 L-shape pipe assembly high pressure valve welding 21.5 process pipe assembly GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 133 R32 DC Inverter Multi-split Technical Manual Outdoor Units 21.6 length of straight pipe single-axis DC fan motor 21.7 Probe of copper pipe axial fan blade 21.8 condenser retaining clip fan motor holder assembly GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 134 R32 DC Inverter Multi-split Technical Manual Outdoor Units C5OU-42HDR4-A GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 135 21.3 Distributing capillary assembly Valve holder part 21.4 L-shape pipe low pressure valve welding assembly 21.5 process pipe high pressure valve welding 21.6 length of straight pipe assembly GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 136 R32 DC Inverter Multi-split Technical Manual Outdoor Units 21.7 Probe of copper pipe axial fan blade 21.8 condenser retaining clip fan motor holder assembly single-axis DC fan motor GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 137: Troubleshooting

    Display H6 for 3 times within 100 Exhaust overheating protection minutes T3 high temperature protection Display H4 after P6 protection for 3 Module protection times within 30 minutes DC fan fault Display H9 after P9 protection for 2 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 138 MCE fault/sync/closed loop Zero speed protection Phase sequence error protection Protection when the speed change of two successive periods exceed 15Hz Protection of speed change(>15Hz) for the previous time and next time GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 139: Part 4. Installation

    Take the air conditioner weight into account and select a place where noise and vibration will not be an issue.  Select a place so that the warm air and noise from the air conditioner do not disturb neighbors. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 140: Rooftop Installation

    Consult local codes regarding rooftop mounting.  If the outdoor unit is installed on roof structures or external walls, this may result in excessive noise and vibration, and may also be classed as a non serviceable installation. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 141: Refrigerant Pipe Connection

     Flaring work Firmly hold copper pipe in a die in the dimension shown in the table below. Outer diam. A(mm) (mm) Max. Min. φ6.35 φ9.52 φ12.7 φ15.88 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 142 Outer diam. Tightening torque Additional tightening torque (mm) (N.cm) (N.cm) φ6.35 1000 1200 φ9.52 1500 1800 φ12.7 2000 2300 φ15.88 2800 3200 Caution Excessive torque can break nut depending on installation conditions. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 143 Quintuple split indoor and outdoor units Difference in height between Max. 5m indoor units 3.3 Connection pipe diameter: Indoor unit Liquid Accessories φ6.35 φ9.52 7K/9K/12K φ6.35 φ12.7 Adapter φ9.52 φ15.88 Adapter component GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 144 6.35mm to 9.52mm,and connector diameter of indoor unit is 9.52mm. (3)The adapter component is included inside the accessory of indoor uint. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 145: Air Purging

    ● Open the valve stem until it hits against the stopper. Do not try to open it further. ● Securely tighten the valve stem cap with a spanner or the like. ● Valve stem cap tightening torque. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 146 7. Remove the charge hose from the Low pressure charge hose. 8. Fully open the packed valve stems B and A. 9. Securely tighten the cap of the packed valve. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 147 R410A DC Inverter Multi-split Technical Manual Control System Vacuum 1.For one drive two unit: Vacuum for two indoor units separately. 2.For one drive three unit: Vacuum for three indoor units separately. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 148 Vacuum from the main valve, no need vacuum for each indoor unit; b. Make sure main valve close before vacuum, then open all small valves for indoor units , keep the small valve close if there is no indoor unit. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 149: Safety And Leakage Check

    If bubblescome out, the pipes have leakage. ● Leak detector Use the leak detector to check for leakage. Caution: A,B,C,D and E are packed valve of outdoor unit. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 150 Note: The illustration is for explanation purpose only. The actual order of A,B,C,D and E on the machine may be slightly different from the unit you purchased. The actual shape shall prevail. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 151: Water Drainage

    The dimension of drainpipe can’t less than the connecting dimension of indoor drainpipe.  Heat-insulation should be done well to prevent condensation. Indoor units with different drainage type can’t share one convergent drainpipe.  GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 152: Insulation Work

    Insulation for non-jointing parts and non-connection parts. wrong Right Gas pipe and liquid pipe should not be Insulate the gas pipe (cooling only) Insulate the gas pipe and liquid pipe put together to insulate GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 153 Insulate for the jointing area, expanding area and the flange area should be done after checking leakage of the pipes  Make sure there’s no clearance in the joining part of the accessorial insulation material and local preparative insulation material. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 154 The gas and liquid pipe should be heat insulated individually, the connecting part should be heat insulated individually. Use the attached heat-insulation material to insulate the pipe connections (pipes’ tie-in,expand nut ) of the indoor unit. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 155: Part 5. Test Running

    R410A DC Inverter Multi-split Technical Manual Control System Part 5. Test Running 1. Dialing setting of main control board Switch No. Dialing Illustration GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 156: Outdoor Unit Spot-Check Instructions

    Last fault protection code (no fault display -) Control parameters (only for use of Capacity need of indoor unit "B" development personnel),display "- -" Capacity need of indoor unit "C" Control parameters (only for use of GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 157 R410A DC Inverter Multi-split Technical Manual Control System development personnel) Capacity need of indoor unit "D" Capacity need of indoor unit "E" Definition of operation mode: 0-OFF/Fan; 2-Cooling; 3-Heating; 4-Forced cooling. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 158: Inspection And Confirmation Before Debugging

    4. Before power-on, make sure there is no short circuit. 5. Check if all units have passed 24-hour nitrogen pressure-maintaining (40kgf /cm2) test. 6. Make sure the debugged system is fully vacuumized, dried and filled with the refrigerant as specified. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 159: Preparation Before Debugging

    7. Check if the power supply phase sequence of the outdoor unit is correct. 8. Check if all dialing switches of the indoor and outdoor units are set according to the technical requirements of the product. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 160: Filling Of Names Of Connecting Systems

    When the multiple indoor units are arranged, in order to distinguish the connecting systems of indoor and outdoor units, all systems shall be named respectively and recorded on the nameplate on the electronic control box cover of the outdoor unit. GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 161: Precautions Against Refrigerant Leak

    Calculate the indoor volume (B [m ]) (by the minimum volume) c) Calculate the refrigerant concentration. ��[����] ≤ ���������������� �������������������������� ∶ 0.3[����/�� ��[�� GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 162 R410A DC Inverter Multi-split Technical Manual Control System 5. Measures against exceeding the critical concentration a) To reduce the refrigerant concentration below the critical concentration, install a mechanical ventilation device (for frequent ventilation). GD Chigo Heating & Ventilation Equipment Co., Ltd.

  • Page 163: Part 6. Controller

    R410A DC Inverter Multi-split Technical Manual Control System Part 6. Controller 1. Wireless Remote Controller NT-03A USE OF REMOTE CONTROLLER: The icon meaning of remote controller GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 164 ① When pressing this key, the remote controller switches by "on, off, on" circularly. ② When the first power on, the working state is set by default: setting temperature 25℃ (77℉), automatic mode, automatic fan speed, internal and external pendulum wind, no TURBO, no sleep, GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 165 ① Pressing this key in the dehumidification mode, the external pendulum wind is forced to close. ② Pressing this key in the other modes, the external pendulum switches by "swing, fixed wind, swing" circularly. （6） Left and right swinging (Internal pendulum wind) GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 166 ③ If the air conditioner has four gear wind speeds, the TURBO icon will light up and the fan will run in the fourth gear wind speed by pressing this key. （11） ECON GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 167 ② When it is locked, the remote controller does not work except the lock key. （16） Combinatorial key: “FAN -” ＋ “FAN +” ① Extension code remote controller has the effect. Switch 3 gear wind and 6 gear wind. There is 6 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 168 2）Take off the back cover and remove the old batteries. When replacing batteries, please pay attention to the "+" and "-" marking on the battery. 3）Install the back cover and set the current time. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 169  The recommended service life is marked on the battery, but the actual service life may be shorter. GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 170 R410A DC Inverter Multi-split Technical Manual Control System 2. Wired Controller ZKX-C/TE-05 GD Chigo Heating & Ventilation Equipment Co., Ltd.
  • Page 171 R410A DC Inverter Multi-split Technical Manual Control System GD Chigo Heating & Ventilation Equipment Co., Ltd.

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