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  • Commercial 50Hz R410A DC Inverter

    Service Manual

    2010-2011

  • HOKKAIDO DC-Inverter Commercial 2010 Contents

    Contents i

    Part 1 General Information ................................................................................................. 1 Part 2 Indoor Units .............................................................................................................. 6 Part 3 Outdoor Units ......................................................................................................... 86 Part 4 Installation ............................................................................................................ 124 Part 5 Control .................................................................................................................. 135

    The specifications, designs, and information in this book are subject to change without notice for product improvement.

  • HOKKAIDO DC-Inverter Commercial 2010 General Information

    General Information 1

    Part 1 General Information

    1. Model Names of Indoor/Outdoor Units ......................... 2 2. External Appearance ..................................................... 3

    2.1 Indoor Units ................................................................................. 3 2.2 Outdoor Units .............................................................................. 4

    3. Features ......................................................................... 5

  • Model Names of Indoor/Outdoor Units HOKKAIDO DC-Inverter Commercial 2010

    2 General Information

    1. Model Names of Indoor/Outdoor Units 1.1 Indoor Units R410A (capacity in Kw)

    Type Function 3.5 5.3 7.1 10 14 17 New Four-way cassette

    Cooling and heating

    Four-way cassette Cooling and heating Duct Cooling and heating Ceiling & floor Cooling and heating Console Cooling and heating

    1.2 Outdoor Units Model of outdoor unit and corresponding indoor unit

    Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units

    HCKI 351 XR Rotary DC Inverter GMCC

    HTFI 352 XR HUCI 352 XR HSFI 351 XR HFII 351 XR

    HCKI 532 XR Scroll DC Inverter Shenyang SANYO

    HTFI 532 XR HUCI 531 XR HSFI 531 XR HFII 531 XR

    HCKI 712 XR Rotary DC Inverter HITACHI HUCI 711 XR HSFI 711 XR HTBI 711 XR

    HCSI 1083 XR Rotary DC Inverter MITSUBISHI HUCI 1081 XR HSFI 1081 XR HTBI 1081 XR

    HCSI 1413 XR Rotary DC Inverter MITSUBISHI HUCI 1411 XR HSFI 1411 XR HTBI 1411 XR

    HCSI 1762 XR Scroll DC Inverter MITSUBISHI HUCI 1761 XR HSFI 1761 XR

  • HOKKAIDO DC-Inverter Commercial 2010 External Appearance

    General Information 3

    2. External Appearance 2.1 Indoor Units Duct

    Ceiling & Floor

    Four-way Cassette

    Compact Four-way cassette

    Console

  • External Appearance HOKKAIDO DC-Inverter Commercial 2010

    4 General Information

    2.2 Outdoor Units

    HCKI 351 XR

    HCKI 532 XR

    HCKI 712 XR

    HCSI 1083 XR

    HCSI 1413 XR HCSI 1762 XR

  • HOKKAIDO DC-Inverter Commercial 2010 Features

    General Information 5

    3. Features 3.1 Universal outdoor unit design Indoor unit with the same capacity can match with the same outdoor unit. 3.2 High efficiency and energy saving. Thanks to the DC inverter technology and optimized piping system, the EER and COP of whole

    series can easily reach A-class.

    3.3 Low noise and low starting current. Thanks to the DC inverter technology, the system can work with low noise, and very small starting

    current. 3.4 Intelligent refrigerant adjustment technology. Throttle part is made up of capillary and electronic expansion valve (EXV). The outdoor unit can

    output the most accurate capacity in any condition.

    3.5 Working in cooling mode under -15 (except 3,5kW). Outdoor unit built-in with low ambient kit, it can control the outdoor units fan and cooling can be

    performed throughout the year for computer rooms, banquet halls, etc. Wide operation range covers outdoor temperatures as low as -15 for cooling (except 3,5kW).

    3.6 Indoor & outdoor units power supply is separate. 3.7 All indoor units have network control function. 3.8 All indoor units have Auto-restart function.

  • Indoor Units HOKKAIDO DC-Inverter Commercial 2010

    6 Indoor Units

    Part 2 Indoor Units

    New Four-way Cassette Type (Compact) .......................... 7

    Four-way Cassette Type .................................................. 17

    Duct Type ......................................................................... 34

    Ceiling & Floor Type ........................................................ 51

    Console Type ................................................................... 72

  • HOKKAIDO DC-Inverter Commercial 2010 New Four-way Cassette Type

    New Four-way Cassette 7

    New Four-way Cassette Type (Compact)

    1. Features ......................................................................... 8

    2. Specifications ................................................................ 9

    3. Dimensions .................................................................. 10

    4. Service Space .............................................................. 10

    5. Wiring Diagrams .......................................................... 11

    6. Air Velocity and Temperature Distributions ................ 12

    7. Electric Characteristics ............................................... 13

    8. Sound Levels ............................................................... 13

    9. Accessories ................................................................. 14

    10. The Specification of Power ....................................... 14

    11. Field Wiring ................................................................ 15

  • Features HOKKAIDO DC-Inverter Commercial 2010

    8 New Four-way Cassette (Compact)

    1. Features (1) Low operation noise

    ---Streamline plate ensures quietness ---Creates natural and comfortable environment

    (2) Efficient cooling

    ---Equal, fast and widerange cooling

    (3) The adoption of the most advanced 3- Dimensional Screw fan

    ---Reduces the air resistance passing through ---Smoothes the air flow ---Makes air speed distribution to the heat exchange uniform

    (4) Improvement for easy installation and maintenance

    ---Little space is required for installation into a shallow ceiling ---Because of the compactness and weight reduction of the main unit and panel, all models can be

    installed without a hoist

    (5) 3600 Air Flow Panel 3600 air outlet makes equal,fast ad wide range cooling

    (6) Inside E-box design The E-box is simply and safely build inside tge indoor unit, of witch ceiling side is 600mm*600mm. It is

    convenient to install and maintain. Checking the control part is easy, you only need to open the air return grille.

  • HOKKAIDO DC-Inverter Commercial 2010 Specifications

    New Four-way Cassette (Compact) 9

    2. Specifications Model HTFI 352 XR HTFI 532 XR Power supply V-ph-Hz 220~240-1-50 220~240-1-50

    Cooling

    Capacity kw 3.5 5.30 Input W 1038 1640 Current A 5.0 8.2 EER 3.37 3.23

    Heating

    Capacity kw 4.00 6.05 Input W 1075 1630 Current A 5.8 8.2

    COP 3.72 3.71

    Indoor fan motor

    Model YDK15-6P YDK37-4P

    Qty 1 1

    Input W 47.1/31.1/26.9 80/46/32

    Capacitor uF 1.5 /450V 2 /400-450V

    Speed(Hi/Mi/Lo) r/min 780/540/430 1000/710/570

    Indoor coil

    Number of rows 1 2

    Tube pitch(a)row pitch(b) mm 2113.37 2113.37

    Fin spacing mm 1.3 1.3

    Fin type (code) Hydrophilic aluminum Hydrophilic aluminum

    Tube outside dia. and type mm 7Inner grooved copper tube 7Inner grooved copper tube

    Coil length height width mm 138021013.37 137021026.74

    Number of circuits 2 4

    Indoor air flow (Hi/Mi/Lo) m3/h 683/530/510 800/710/560

    Indoor noise level (sound pressure) dB(A) 42/41/38 42/41/38

    Indoor unit

    Dimension (WHD)(body) mm 570260570 570260570

    Packing (WHD)(body) mm 655290655 655290655

    Dimension (WHD)(panel) mm 64750647 64750647

    Packing (WHD)(panel) mm 705113705 705113705

    Net/Gross weight(body) kg 16/19 18/21

    Net/Gross weight(panel) kg 3/5 3/5

    Refrigerant type R410A R410A Design pressure MPa 4.2/1.5 4.2/1.5 Refrigerant piping Liquid side/ Gas side mm 6.4/12.7 6.4/12.7

    Drainage water pipe diameter mm OD25 OD25

    Controller R05/BGE (standard) R05/BGE (standard)

    Operation temperature 17-30 17-30 Notes: 1. Nominal cooling capacities are based on the following conditions:

    Indoor temp: 27CDB, 19CWB; Outdoor temp: 35CDB; Equivalent ref. Piping: 7.5m(horizontal) 2. Nominal heating capacities are based on the following conditions:

    Indoor temp: 20CDB; Outdoor temp: 7CDB, 6CWB; Equivalent ref. Piping: 7.5m(horizontal) 3. Actual noise level may differ, depending on the room structure, etc, since these noise values are from an anechoic

    room.

  • Dimensions HOKKAIDO DC-Inverter Commercial 2010

    10 New Four-way Cassette (Compact)

    3. Dimensions

    4. Service Space

  • HOKKAIDO DC-Inverter Commercial 2010 Wiring Diagrams

    New Four-way Cassette (Compact) 11

    5. Wiring Diagrams HTFI 352 XR

    HTFI 532 XR

  • Air Velocity and Temperature Distributions HOKKAIDO DC-Inverter Commercial 2010