Kaysun KEM-30 DNH3 Technical Manual
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Kaysun KEM-30 DNH3 Technical Manual

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TECHNICAL MANUAL
KEM-30 DNH3
KEM-130 HN3
Thank you very much for purchasing our air conditioner. Before using your air
conditioner please read this manual carefully and keep it for future reference.
KEM-65 DHN3
KEM-200 HN3
Modular Chiller
KEM-250 HN3

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Summary of Contents for Kaysun KEM-30 DNH3

  • Page 1 TECHNICAL MANUAL Modular Chiller KEM-30 DNH3 KEM-65 DHN3 KEM-200 HN3 KEM-250 HN3 KEM-130 HN3 Thank you very much for purchasing our air conditioner. Before using your air conditioner please read this manual carefully and keep it for future reference.

  • Page 3: Table Of Contents

    Content 1 General information ---------------------------------------------------------------------------------------------------------- 1 1.1 Product lineup ---------------------------------------------------------------------------------------------------------------------- 1 1.2 External appearance -------------------------------------------------------------------------------------------------------------- 2 2 Features -------------------------------------------------------------------------------------------------------------------------- 3 3 Specifications ------------------------------------------------------------------------------------------------------------------- 7 4 Dimensions -------------------------------------------------------------------------------------------------------------------- 15 5 Refrigeration System Drawings ----------------------------------------------------------------------------------------- 20 6 Piping Diagrams ------------------------------------------------------------------------------------------------------------- 23 7 Wire Diagrams --------------------------------------------------------------------------------------------------------------- 28 8 Electric Characteristics ----------------------------------------------------------------------------------------------------- 39 9 Capacity Tables -------------------------------------------------------------------------------------------------------------- 40 10 Troubleshooting------------------------------------------------------------------------------------------------------------ 50...

  • Page 4: General Information

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 1 General information 1.1 Product lineup Maximum Heat exchanger Maximum Model Power supply combination Wired controller type capacity(kW) KEM-30 DHN3 380~415V/3ph/50Hz Double-pipe KCCHT-02 KEM-65 DHN3 380~415V/3ph/50Hz Shell and tube 1040 KCCHT-02 KEM-130 HN3...

  • Page 5: External Appearance

    1.2 External appearance KEM-30 DHN3 KEM-65 DHN3 KEM-130 HN3 KEM-200 HN3 KEM-250 HN3...

  • Page 6: Features

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 2 Features 1). Low ambient temperature cooling function the ambient temperature is down to -10 in cooling mode with low ambient kit this function should be activated by S8 switch on the PCB board. Mode Ambient temp.
  • Page 7 Water outlet temp. Water outlet temp. Water outlet temp. Total water outlet temp. Total water outlet temp. Total water outlet temp. (Just for master unit) (Just for master unit) (Just for master unit) Three-core shielding Three-core shielding twisted pair twisted pair Wired controller 6).
  • Page 8 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 9).Humanized remote control S7 address on PCB should be switched to ON to realize remote control, which including remote ON/OFF, remote heating and cooling mode selection, remote alarm. The customer can simply and conveniently control the chiller and acquire the running information on real time.
  • Page 9 13). Applicable temperature range Mode Ambient temperature range Water outlet temperature range 10˚C ~46˚C 0~17˚C(7˚C is default, less than 5˚C must add antifreeze) Cooling -10˚C ~46˚C 5˚C ~17˚C(7˚C is default) Heating -10˚C ~21˚C 22˚C ~50˚C(45˚C is default) Ambient temp. range -10 ˚C Cooling range 46 ˚C...

  • Page 10: Specifications

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 3 Specifications Model KEM-30 DHN3 Cooling Capacity Btu/h 102,300 Heating Capacity Power supply V/Ph/Hz 380-415/3/50 Manual switch Power supply Fuse Type Fixed scroll + digital scroll Quantity Pieces Model ZPD67KCE-TFD-532/ZP67KCE-TFD-522...
  • Page 11 1514×1865×841 Net(D×H×W) inch 59.6×73.4×33.1 Dimension 1590×2065×995 Packing(D×H×W) inch 62.6×81.3×39.2 Net weight Weight Operation weight Power wire ×No. 10×4+6×1 Connection wire Signal wire ×No. 0.75×3-core with shielding Control type Wired controller 1) Protection for over-high discharge pressure. 2) Protection for over-low suction pressure. 3) Power supply phase sequence protection.
  • Page 12 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Model KEM-65 DHN3 Cooling Capacity Heating Capacity Cooling 20.4 Cooling rated current 36.5 Power input Heating 21.5 Heating rated current 37.2 Power supply V/Ph/Hz 380-415/3/50 Manual switch Power supply Fuse Max.
  • Page 13 Power wire 25×4+16×1 Connection wire Signal wire 0.75×3-core with shielding Control type Wired controller 1) Protection for over-high discharge pressure. 2) Protection for over-low suction pressure. 3) Power supply phase sequence protection. 4) Anti-freezing protection in cooling mode. 5) Anti-freezing protection in Winter. 6) Protection for compressor over current.
  • Page 14 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Model KEM-130 HN3 KEM-200 HN3 Cooling Capacity Btu/h 443,560 631,220 Heating Capacity Power supply V/Ph/Hz 380-400/3/50 380-400/3/50 Manual switch Power supply Fuse Type Fixed scroll Fixed scroll Quantity Pieces Model...
  • Page 15 2000×2080×1685 2850×2110×2000 Net(D×H×W) inch 78.7×82.3×66.3 112.2×83.1×78.7 Dimension 2090×2240×1755 2980×2260×2135 Packing(D×H×W) inch 82.3×88.2×69 117.3×89×84.1 Net weight 1150 1730 Weight Operation weight 1270 2000 Power wire ×No. 35×3+16×2 75×3+35×2 Connection wire Signal wire ×No. 0.75×3-core with shielding 0.75×3-core with shielding Control type Wired controller Wired controller 1) Protection for over-high discharge pressure.
  • Page 16 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Model KEM-250 HN3 Cooling Capacity Heating Capacity Cooling 78.3 Cooling rated current 141.9 Power input Heating Heating rated current Power supply V/Ph/Hz 380-400/3/50 Manual switch Power supply Fuse Max.
  • Page 17 Control type Wired controller 1) Protection for over-high discharge pressure. 2) Protection for over-low suction pressure. 3) Power supply phase sequence protection. 4) Anti-freezing protection in cooling mode. 5) Anti-freezing protection in Winter. 6) Protection for compressor over current. 7) Protection for compressor overload. Safety protection device 8) Outlet and inlet water temperature difference protection.

  • Page 18: Dimensions

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 4 Dimensions 30kW module Front view Name Top cover Air outlet Air inlet Water outlet Water inlet Top view Electric control box Unit Model 1514 1865 KEM-30 DHN3 inch 59.6 33.11...
  • Page 19 65kW module Front view Name Top cover Air outlet Air inlet Water outlet Compressor Electric control box Top view Water inlet Unit Model 2000 1880 1420 1500 KEM-65 DHN3 inch 78.74 35.4 13.78 55.91 8.86 59.06 19.92 20.87 36.61 17.72 130kW module Front view Side view...
  • Page 20 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Top view Anchor hole Unit Model 2000 1685 2080 1420 1550 1586 KEM-130 HN3 inch 78.74 66.34 81.89 13.78 55.91 19.92 61.02 62.44 Name Top cover Condenser Compressor Evaporator Electric control box Air inlet...
  • Page 21 200kW module Model unit 2850 2000 2110 3470 2156 1888 2388 KEM-200 HN3 inch 112.2 78.74 83.07 136.61 84.88 19.92 74.33 94.02 Name Top cover Compressor Evaporator Water outlet Electric control box Water inlet Condenser...
  • Page 22 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 250kW module Left view Front view Hole for anchor boltΦ15 Bottom view Model unit 3800 2000 2130 1235 2156 1888 1551 KEM-250 HN3 inch 149.6 78.74 83.86 48.62 84.88 22.56...

  • Page 23: Refrigeration System Drawings

    5 Refrigeration System Drawings 5.1 30kW module Each module has two compressors with one separate unit, one double-pipe evaporator for two refrigerant systems. Condenser 4-way valve A 4-way valve B Compressor A Compressor B Water outlet Water inlet Low pressure cylinder A Low pressure cylinder B Evaporator (Double-pipe heat exchanger)
  • Page 24 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 5.2 65kW module (KEM-65 DHN3) Each module has three compressors with one separate unit, one shell and tube evaporator for two refrigerant systems. Pressure switch low pressure cylinder B Compressor B 4-Way valve B 4”...
  • Page 25 5.4 200kW module Each module has six compressors with three separate units, one shell and tube evaporator for six refrigerant systems. low pressure cylinder B Unit 2 4-Way valve B 3" Compressor B Fan B Fan A Water flow direction Capillary Dry type evaporator Capillary...

  • Page 26: Piping Diagrams

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 6 Piping Diagrams 6.1 30kW module water pipeline sketch drawing The table below describes the symbols. Symbol Symbol explanation Symbol Symbol explanation Stop valve Y-shaped filter Pressure gauge Thermometer Water flow switch Circulating pump...
  • Page 27 6.2 65kW module water pipeline sketch drawing Expansion tank Water replenishing Main unit Dirt discharge valve Differential pressure by-pass valve Drain valve Terminal Auxiliary electric heater Two-way valve Three-way valve The table below describes the symbols. Symbol Symbol explanation Symbol Symbol explanation Stop valve Y-shaped filter...
  • Page 28 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 6.3 130kW module water pipeline sketch drawing The table below describes the symbols. Symbol Symbol explanation Symbol Symbol explanation Stop valve Y-shaped filter Pressure gauge Thermometer Water flow switch Circulating pump Gate valve Check valve...
  • Page 29 6.4 200kW module water pipeline sketch drawing The table below describes the symbols. Symbol Symbol explanation Symbol Symbol explanation Stop valve Y-shaped filter Pressure gauge Thermometer Water flow switch Circulating pump Gate valve Check valve Flexible joint Automatic discharge valve...
  • Page 30 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 6.5 250kW module water pipeline sketch drawing The table below describes the symbols. Symbol Symbol explanation Symbol Symbol explanation Stop valve Y-shaped filter Pressure gauge Thermometer Water flow switch Circulating pump Gate valve Check valve...

  • Page 31: Wire Diagrams

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 7 Wire Diagrams 7.1 Wiring diagrams 30kW module...
  • Page 32 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 65kW module (KEM-65 DHN3)
  • Page 33 130kW module...
  • Page 34 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 200kW module...
  • Page 35 250kW module...
  • Page 36 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 7.2 Networking communication schematic of main unit and auxiliary unit 30kW module...
  • Page 37 65kW module (KEM-65 DHN3)
  • Page 38 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 130kW module...
  • Page 39 200kW module...
  • Page 40 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 250kW module...

  • Page 42: Electric Characteristics

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 8 Electric Characteristics Outdoor Unit Power Supply Compressor Model Voltage Min. Max. TOCA LRA(each) RLA(each) KEM-30 DHN3 380-415 21.1 10.6/11.8 0.67 KEM-65 DHN3 380-415 54.5 144/82.4/74 21.1/12.7/11.8 0.865(×2) 4.0(×2) KEM-130 HN3...

  • Page 43: Capacity Tables

    9 Capacity Tables 9.1 30kW module Cooling: Ambient temp.( ) Chilled water 21.00 25.00 30.00 35.00 40.00 46.00 outlet temp. Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power 5.00 33.59 8.81 31.63 9.08 29.84 9.36 28.20 9.65 26.42 10.13...
  • Page 44 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Heating: Ambient temp.( ) Hot water outlet temp. Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power 40.00 19.89 6.13 24.86 6.97 29.25 7.74 32.50...
  • Page 45 9.2 65kW module Cooling Ambient temp.( ) Chilled water 21.00 25.00 30.00 35.00 40.00 46.00 outlet temp. Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power 5.00 72.77 17.97 68.52 18.52 64.64 19.10 61.10 19.69 57.25 20.67 52.67 21.70 6.00...
  • Page 46 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Heating: Ambient temp.( ) Hot water outlet temp. Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power 40.00 42.89 13.45 53.61 15.29 63.07 16.99 70.08...
  • Page 47 9.3 130kW module Cooling: Ambient temp.( ) Chilled water 21.00 25.00 30.00 35.00 40.00 46.00 outlet temp. Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power 5.00 145.54 35.93 137.04 37.05 129.29 38.19 122.20 39.37 114.50 41.34 105.34 43.41 6.00...
  • Page 48 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Heating: Ambient temp.( ) Hot water outlet temp. Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power 40.00 85.78 26.91 107.22 30.57 126.14 33.97 140.16...
  • Page 49 9.4 200kW module Cooling: Ambient temp.(℃) Chilled water outlet 21.00 25.00 30.00 35.00 40.00 46.00 temp. Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power 5.00 207.12 55.49 195.03 57.20 183.99 58.97 173.90 60.80 162.94 63.83 149.91 67.03 6.00 214.11...
  • Page 50 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Heating: Ambient temp.( ) Hot water outlet temp. Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power 40.00 124.31 38.17 155.39 43.37 182.81 48.19 203.13...
  • Page 51 9.5 KEM-250 HN3 Cooling: Ambient temp.( ) Chilled water outlet 21.00 25.00 30.00 35.00 40.00 46.00 temp. Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power 5.00 279.89 68.96 263.55 71.09 248.63 73.29 235.00 75.56 220.20 79.34 202.58 83.30 6.00...
  • Page 52 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Heating Ambient temp.( ) Hot water outlet -10.00 -6.00 temp. Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power 39.00 167.82 50.06 209.78 56.88 246.80...

  • Page 53: Troubleshooting

    10 Troubleshooting 10.1 Failure & Protection Codes 30kW module (KEM-30 DHN3) Code Trouble Error of outdoor EEPROM Power phase sequence error Communication error Total outlet water temperature sensor error (Be valid for main unit) Unit outlet water temperature sensor error Pipe temperature sensor error in condenser A Pipe temperature sensor error in condenser B Outdoor ambient temperature sensor error...
  • Page 54 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 65kW module (KEM-65 DHN3) Code Trouble Error of outdoor EEPROM Power phase sequence error Communication error Total water outlet temperature sensor error (Be valid for main unit) Unit outlet water temperature sensor error Pipe temperature sensor error in condenser A Pipe temperature sensor error in condenser B...
  • Page 55 130kW module (KEM-130 HN3) Code Trouble Error of outdoor EEPROM Power phase sequence error Communication error Total water outlet temperature sensor error (Be valid for main unit) Unit outlet water temperature sensor error Pipe temperature sensor error in condenser A Pipe temperature sensor error in condenser B Outdoor ambient temperature sensor error Output of the power protector error...
  • Page 56 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 200kW module (KEM-200 HN3) Code Trouble Error of outdoor EEPROM Power phase sequence error Communication error Total water outlet temperature sensor error (Be valid for main unit) Unit outlet water temperature sensor error Pipe temperature sensor error in condenser A Pipe temperature sensor error in condenser B...
  • Page 57 250kW module (KEM-250 HN3) Code Trouble Error of outdoor EEPROM Power phase sequence error Communication error Total water outlet temperature sensor error (Be valid for main unit) Unit outlet water temperature sensor error Pipe temperature sensor error in condenser A Pipe temperature sensor error in condenser B Outdoor ambient temperature sensor error Output of the power protector error...

  • Page 58: Troubles And Solutions

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 10.2 Troubles and Solutions Troubles Possible reasons Solutions Air or other non-condensing gas still in the Discharge gas from refrigerant charging inlet. system. Re-vacuum the system if necessary. Fins in the condenser are dirty or foreign Clean condenser fins.
  • Page 59 Overload assembly error. Replace a new one. Confirm voltage not higher or lower than the rated Over high or over low voltage. Compressor stops voltage 10%. because of integrate Over high air expelling pressure or excessive See “Over high air expelling pressure” and “excessive temperature sensor or air low air suction pressure.

  • Page 60: Typical Malfunction Solutions

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 10.3 Typical malfunction solutions 1) High pressure and discharged temperature protection High pressure and discharged protection. analysis Discharge temperature High pressure discharge temp. protection protection. protection. malfunction. Blower stops rotating or rotates in Inspect fan motor and reversed direction in cooling mode,...
  • Page 61 Discharge temperature protection. Discharge temperature Replace discharge switch is broken or joint temperature switch, is loose. fixed joint. Refrigerant is too less. Detect leakage for all system, append refrigerant. Couldn’t open the EXV. Replace the EXV or coil. Cause dirty The EXV, capillary and filter blocked, replace...
  • Page 62 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 2) Current protection Current protection The fin of heat exchanger is dirty or aged in cooling mode, Clean heat exchanger. or the shell and tube scaled strong. motor stopped Check the fan motor,...
  • Page 63 4) Inlet &outlet water temperature difference protection Inlet &outlet water temperature difference protection. Refer to the water flow Water flow is lower. malfunction to analysis. The outlet water temperature Replace temperature sensor inlet water sensor. temperature sensor brought drifting when collect temperature.
  • Page 64 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 7) Power supply phase sequence malfunction Power supply phase sequence malfunction. Adjust connecting wire. Phase sequence error. Lack of phase. Check power supply. Replace phase lack Phase lack protector is broken. protector.
  • Page 65 9) Water flow detection malfunction Water flow detection malfunction Open the pump or change; Water pump didn’t open or error. inspect the power supply or control circuit of pump. Open the valve. Didn’t open the valve in system. Replace the water flow The water flow detection switch switch, inspect...
  • Page 66 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 10) Total outlet water temperature sensor malfunction Total outlet water temperature sensor malfunction The circuit of total outlet water Replace temperature temperature sensor is broken. sensor. The circuit of total outlet water Replace temperature temperature sensor is shorten.
  • Page 67 12) The unit inlet water temperature sensor malfunction The unit inlet water temperature sensor malfunction The unit’s circuit of inlet water Replace temperature sensor. temperature sensor is broken. The unit’s circuit of inlet water Replace temperature sensor. temperature sensor is shorten. The unit’s joint of inlet water Fixed joint.
  • Page 68 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 14) Ambient temperature sensor malfunction Ambient temperature sensor malfunction. circuit ambient Replace temperature sensor. temperature sensor is broken. circuit ambient Replace temperature sensor. temperature sensor is shorten. The joint of ambient temperature Fixed joint.

  • Page 69: Installation

    11 Installation 11.1 Unit Installation 11.1.1 Transportation The angle of inclination should not be more than 15º when carrying the unit, to avoid overturn of the unit. a. Rolling handling: several rolling rods of the same size are placed under the base of the unit, and the length of each rod must be more than the outer frame of the base and suitable for balancing of the unit.
  • Page 70 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 65kW module 130kW module...
  • Page 71 200kW module The position should be provided with an at least 50mm thick wood block, cloth or hard paper, to avoid damages to the unit. The position should be provided with an at least 50mm thick wood block, cloth or hard paper, to avoid damages to the unit.
  • Page 72 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 11.1.2 Installation space ● Requirements of arrangement space of the unit 1) To ensure adequate airflow entering the condenser, the influence of descending airflow caused by the high-rise buildings around upon the unit should be taken into account when installing the unit.
  • Page 73 130kW module 200kW module Input of airflow Input of airflow Input of airflow Input of airflow...
  • Page 74 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 250kW module Input of airflow Input of airflow Input of airflow Input of airflow The recommend space parameter Installation space (mm) Module KEM-30 DHN3 KEM-65 DHN3 ≥1500 KEM-130 HN3 ≥1500 ≥2000...
  • Page 75 Max unit combined Model L(mm) M(mm) N(mm) quantity ≥ ≥ ≥ KEM-30 DHN3 ≥ ≥ ≥ KEM-65 DHN3 ≥ ≥ ≥ KEM-130 HN3 ≥ ≥ ≥ KEM-200 HN3 ≥ ≥ ≥ KEM-250 HN3 11.1.3 Installation Foundation The unit should be located on the horizontal foundation, the ground floor or the roof which can bear operating weight of the unit and the weight of maintenance personnel.
  • Page 76 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 30kW module 65kW module 130kWmodule Drainage channel Concrete Cement mortar Drainage channel Anchor bolt 200kW module Drainage channel Concrete Cement mortar Drainage channel Anchor bolt...
  • Page 77 250kW module Drainage channel Concrete Cement mortar Drainage channel Hole for anchor bolt Schematic diagram of installation dimension of the unit Load distribution Unit: kg Model KEM-30 DHN3 KEM-65 DHN3 KEM-130 HN3 KEM-200 HN3 KEM-250 HN3 65kW 130kW 30kW 200kW 250kW 11.4 Installation of damping devices Damping devices must be provided between the unit and its foundation.
  • Page 78 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Step Content Make sure that the flatness of the concrete foundation is within ±3mm, and then place the unit on the cushion block. Raise the unit to the height suitable for installation of the damping device. Remove the clamp nuts of the damper.
  • Page 79 h. The by-pass pipes and by-pass valves as shown in the figure of “Connection drawing of pipeline system” must be mounted for the heat exchanger, to facilitate cleaning of the outside system of water passage before the unit is adjusted. During maintenance, the water passage of the heat exchanger can be cut off without disturbing other heat exchangers.
  • Page 80 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 4. The power supply was cut off and needn’t change the water in system. Ethylene and Propylene Glycol Factors A glycol solution is required when the unit with condition as mentioned. The use of glycol will reduce the performance of the unit depending on concentration.
  • Page 81 Fouling Factor Fouling Factor Difference of water ALTITUDE inlet and outlet temp. 0.018 0.044m 2 0.086m 2 0.172m 2 1.036 1.077 1.019 1.076 0.991 0.975 0.963 0.983 1.039 1.101 1.022 1.080 0.994 0.996 0.971 0.984 Sea level 1.045 1.105 1.028 1.086 1.000 1.000...
  • Page 82 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) d. Special grounding screws should be used for earth connection. Bolts should not be installed or removed at will; otherwise flow switches may suffer deformation and failure. e.
  • Page 83 2) Installation mode II n :the module quantity, max 16 11.2.5 Installation of water system pipeline for 65kW module Installation of single-module water system pipeline Installation of multi-module water system pipeline 1) Installation mode I (recommended installation mode) n :the module quantity, max 6...
  • Page 84 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Less than 6 modules 2) Installation mode III (recommended installation mode) n : the module quantity, max 16 Installation mode A: less than 16 modules 3) Installation mode IV n : the module quantity, max16...
  • Page 85 No.n module No.(n-1) module No.1 module No.(n-1) address No.(n-2) address No.0 address Drill dead hole at the position, and move the total effluent temperature sensor at No.0 address to the position Water flow switch No.(n-2) module No.(n-3) module No.2 module No.(n-3) address No.(n-4) address No.1 address...
  • Page 86 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) No.1 unit No.(n-1) unit No.n unit (n≤8) No.0 address(main unit) No.(2n-3) address No.(2n-1) address No.1 address No.(2n-4) address No.(2n-2) address Water flow switch Pump Drill dead hole at the position, and move the total effluent temperature sensor at No.0 address to...
  • Page 87 No.1 unit No.(n-1) unit No.n unit (n≤5) No.0 address(main unit) No.(3n-4) address No.(3n-1) address No.1 address No.(3n-5) address No.(3n-2) address No.2 address No.(3n-6) address No.(3n-3) address Water flow switch Pump Drill dead hole at the position, and move the Less than 5 modules total effluent temperature sensor at No.0 address to the position...
  • Page 88 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Less than 8 modules Notice: 1) For installation of multi-module, the most modules should be not more than 8 modular units. 2) For installation of multi-module, please drill a dead hole( 9mm) at the total water outlet pipeline, and move the total water effluent temperature sensor at No.0 address to the hole.
  • Page 89 Table of diameter parameters of main inlet and outlet pipes for 200kW module Total inlet and outlet water Total inlet and outlet water Unit model x quantity Unit model x quantity pipe diameter pipe diameter 200×1 DN80 200×4 DN150 200×2 DN100 200×5 DN200...
  • Page 90 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 11.2.10 Design of the store tank in the system a. kW is the unit for cooling capacity, L is the unit for (G) minimum water flow volume in the formula. Comfortable type air conditioner G= cooling capacity×2.6L Process type cooling...
  • Page 91 =linear coefficient of thermal expansion; for steel, =6.5x10 in./in F(1.2x10 ); for copper, =9.5x10 in./in F(1.7x10 In a chilled water system, the higher temperature T2 is the highest anticipated ambient temperature when the chilled water system shuts down during summer. The lower temperature in a heating system is often the ambient temperature at fill conditions(for example, 50 F or 10 ).
  • Page 92 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 11.3.2 Power supply specification Outdoor power supply Items Wiring Power supply Manual switch Fuse Model 10mm KEM-30 DHN3 380~415V 3Ph 50Hz (<30m) 16mm KEM-65 DHN3 380~415V 3Ph 50Hz 150A 100A (<20m)
  • Page 93 Notice: 1) 30kW module max 16 modular units can be combined. 2) 65kW module max 16 modular units can be combined. 3) 130kW module max 8 modular units can be combined. 4) 200kW module max 5 modular units can be combined. 5) 250kW module max 8 modular units can be combined.
  • Page 94 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 11.3.4 Wiring steps Step Content Check the unit and ensure that it is connected with grounding wires correctly, to avoid leakage, and the grounding devices should be mounted in strict accordance with the requirements of electrical engineering rules. The grounding wires can prevent electric shock.
  • Page 95 Note: ,1.Wiring of “ON/OFF” weak electric port Corresponding parallel connect the “ON/OFF”(dry contact input signal) port of the main unit’s electric control box, then, connect the “ON/OFF” signal (provide by user) to the “ON/OFF” port of main unit as follows. 0# electric 0# electric control box...

  • Page 96: Commissioning

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 12 Commissioning 1. Preparation ● After the water system pipeline is flushed several times, please make sure that the purity of water meets the requirements; the system is re-filled with water and drained, and the pump is started up, then make sure that water flow and the pressure at the outlet meet the requirements.

  • Page 97: Maintenance

    13 Maintenance Maintenance for main components ● Close attention should be paid to the discharge and suction pressure during the running process. Find out reasons and eliminate the failure if abnormality is found. ● Control and protect the equipment. See to it that no random adjustment be made on the set points on site. ●...
  • Page 98 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 1) Total leakage of refrigerant. In case of such situation, leakage detection must be made on the pressurized nitrogen used for the system. If repair welding is needed, welding cannot be made until all the gas in the system is discharged.
  • Page 99 Regularly preventive maintenance plan Maintenance Items Frequency Qualify Standards (Settlement) Note Judge whether there is abnormal sound by Noise Anytime Watch from one meter hearing; away from the center of Watch whether the swings of distribution pipes General Vibration Anytime the unit;...
  • Page 100 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Maintenance Safety Requirement Each component should be maintained by qualified technicians. Please contact competent maintenance technicians in the event of leakage or breakdown. The safety devices should be checked after each maintenance.

  • Page 101: Control System

    14 Control System 14.1 PCB Outline and Description 14.1.1 PCB outlook view 14.1.2 Components description Detail information Detection of current of the compressor A1 (Protection code P4). Detection of current of the compressor B1 (Protection code P5). Current is not detected within the initial 5 seconds after the compressor is started up. When the current of the compressor is detected to exceed protective value set (18A for constant speed compressor), it will be shut down and re-started after 3 min.
  • Page 102 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) temperature drops below the recovery temperature 60 . Another system will be not affected. 3) T4, T3B and T3A: when the temperature sensor is detected to suffer open circuit or short circuit, fault alarm will occur. When the main unit suffer fault of temperature sensor: the main unit and subordinate units will be shut down.
  • Page 103 When the address is 0, it serves as the main unit. ADDRESS When the address is 1,2,3……F, it serves as the subordinate unit 1,2,3……15. ADDRESS COM (O) 485 communication port (fault code E2) COM (I) 485 communication port (fault code E2) COM (O) is interconnected with P, Q and E of COM (I), used for RS-485 communication.
  • Page 104 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) process of operation. 2) In case of refrigerating or heating shutdown, the pump will be shut down 2 minutes after all modules stop operating. 3) In case of shutdown under the pump mode, the pump can be directly shut down. One compressor of the system B(B1);...
  • Page 105 1. Faults When the main unit suffers faults, the main unit stops operating, and all other units also stop running; When the subordinate unit suffers faults, only the unit stops operating, and other units are not affected. 2. Protection When the main unit is under protection, only the unit stops operating, and other units keep running; When the subordinate unit is under protection, only the unit stops operating, and other units are not affected.

  • Page 106: Wired Controller Kcch-02 Ps(Optional)

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 14.2 Wired controller KCCH-02 PS(Optional) 14.2.1 NAMES OF KEYS ON THE WIRED CONTROLLER AND THE KEYPAD OPERATION DESCRIPTION ON/OFF TEMP SET TIMER SET CANCEL MODE PAGEUP ALARM CLEAR PAGEDOWN QUERY ADDRESS / -...
  • Page 107 Press the button, then can clear some errors which need to operate manually for recovery. These errors represent there are problems while the unit is operating, but will not affect the system safety. If this type of error came out frequently then it needs to check and maintain the unit. QUERY button Press the button, inquire state information of No.
  • Page 108 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) If press the button for 3 seconds continuously, all the setting information of the timer will be cleared. ADDRESS/+ button Press this button at Check mode, when select the next modular, the operation status of the next modular will display;...
  • Page 109 Press the button can inquire the timer setting information, such as the week, the setting operation mode, the starting period, the end period and the setting temperature and so on. ,18 TIMER SWITCH button Press the button can open the weekly timer function or close the weekly timer function. 14.2.2.
  • Page 110 (the parameter of δ δ Tj1 and Tj2 are (the parameter of δ δ Tj1 and Tj2 are MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) decided by the outdoor unit) decided by the outdoor unit) 3: The adjusting logic of heating mode: 14.2.3 The adjusting logic of heating mode: (the parameter of δ1,δ2,Tj1 and Tj2 are decided by the (the parameter of δ1 δ2 Tj1 and Tj2...
  • Page 111 3. Provide the LCD display function. 4. Provide the timing startup function. 5. Real-time clock function (the wired controller inner place 3V battery) When the wired controller is powered on, the LCD will display the current time; if it is powered off, the clock will not be displayed, then it will be auto updated when the wired controller is re-power on.
  • Page 112 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Outdoor electric control box Please use 3-cord with shielding wire for connection. The wire length depends on the specific situation in the installation. Communicate with upper unit(reserved). If it is under the host computer network control, displays,...
  • Page 113 WEEKLY TIMER SETTING TIMER SET Set Timer Period 2 Select week ADDRESS/+ ADDRESS/- Set Period 2 start hour ADDRESS/- ADDRESS/+ Set Period 1 start hour ADDRESS/- ADDRESS/+ Set Period 2 start minute ADDRESS/+ ADDRESS/- ADDRESS/+ Set Period 1 start minute ADDRESS/- Set Period 2 end hour ADDRESS/-...
  • Page 114 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) NOTE: In operating, press the key "CANCEL", to turn back to the previous step or the normal display interface. 1.Before power failure of the heating water system or wired controller, the wired controller memorizes the status of the unit automatically, and sets the water temperature value except timing on/off function.

  • Page 115: Wired Controller Kccht-02(Standard)

    14.3 Wired controller KCCHT-02(Standard) 14.3.1. Operating instructions of buttons 10.ON/OFF key 1. Operation icon 2. Mode area 11.Right, Left key 3. Setting temperature 12.OK key 4. Timing On/Off 13. Setting key 5. Function icon 14. Add, reduce key 6. On-line unit qt y. 7.
  • Page 116 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) ,8. Clock: Under normal status display clock; during timing setting it displays the setting timing time; ,9. Water temperature: Under normal status display water temperature; during water temperature setting it displays the setting numerical value;...
  • Page 117 Query water temperature setting: press the key under the main page to query the set water temperature numerical value. 2) Timing setting: can set 3 timing periods on the wire controller: Timer 1, Timer 2, Timer 3, and then control the main unit to ON and OFF in different periods.
  • Page 118 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Main page Press “Setting” key twice to enter hour setting interface of “Timer 1 On” Through the “▲” or “▼” key, set the hour number of “Timing 1 On” to be 07 Press “...
  • Page 119 Note: Working mode setting is valid only when the unit is power off. 4) Set clock This time the hour of the clock will flash, it means the current setting is the hour of the clock, press the to adjust, press key when finished, and then the minute of the clock will flash, it means the current setting is the minute of the clock, press the...
  • Page 120 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) (TAL: total outlet water temperature) Operation method: Turned off, press the "Constrain" " " 2 button for 3 seconds to enter the hysteresis setting selection. Can be adjusted Hysteresis parameter = (2,3,4,5 C).
  • Page 121 3) Press the key to adjust the main unit serial number can query 16 sets main units status information from #0 #15. Press to adjust the spot check sequence number of one main unit then can query all the status information of this unit. Spot check content according to the main unit model wired controller : outlet water temperature 23 5inlet water temperature 01...
  • Page 122 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) The wiring procedure and principles are shown in the figure: 14.3.7 Basic conditions of operating the wired controller 1) Applicable range of supply voltage: Input voltage is 10V AC. 2) Operating environment temperature of wired controller: -10°C~+43°C.

  • Page 123: Control Software

    14.4 Control software a. Interface introduction 1 The LOGIN window as above picture. 2 User need to input the name and password (default name: Admin, default password: Admin); user’s name and password could be changed after login. 3 Select the computer serial port. The system default selection is COM1 (the software will checkout the available serial ports in the computer automatically, and will list them at the Optional Table).
  • Page 124 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 6 When provide a wrong USERE’S NAME, the window as Fig.4-3 will be display, while PASSWORD error, the window shows as Fig.4-4. Fig.4-3 Fig.4-4 7 In case the password error time exceed 6 times (i.e. the 7th times password error), the window show as Fig.4-5, and then click OK, it will exit the program.
  • Page 125 Main interface of this software as Fig.4-7, detail as follows: 1 Menu includes System Equipment management Schedule management Communication parameter Help System configuration illustration (The as Fig.4-7): Not more than16 wired controllers could be connected to the computer. This kind of wired controller could be connected to the module group of : 25KW 30KW 60KW 65KW 120KW 180KW etc.
  • Page 126 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Fig.4-10 c. Menu application System includes Password Modification Re-login Exit the program Fig.4-11 Click Password Modification will display window as Fig.4-12 input old password as requirement, and then reset a new password, click Modify , window as Fig.4-13t will show that new password has been already successful set;...
  • Page 127 Fig.4-18 .Click KJR Setting , the window as Fig. 4-20 will be display add wired controller to the system to be monitored. Fig.4-20 Detail operation procedure as follows: Add a wired controller: Select the wired controller address (0-15) at the KJR Address , fill the wired controller name at KJR Name...
  • Page 128 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Fig.4-25 a Add sub-module: Select the existing wired controller address from the KJR Address , and select the configured module group at the drop-down box of Module name , select the sub-module address in the drop-down box of the configured Sub-module address , and then click “Add”.
  • Page 129 3 Blue color represents at less one Weekly Timing schedule has been set in this wired controller as well as at less one of this schedule in activating. Fig.4-29 a KJR Address Wired controller address, each wired controller represents one refrigeration system. b Weekly timing function Display the weekly set status in the current wired controller is ON or OFF (ON or OFF could display as long as at least one weekly schedule has been set, otherwise, nothing would...
  • Page 130 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) f Modify(See the key in the Fig.4-29) Press this key the parameter of selected period become changeable, and then click Save . Press the key again, all parameters in this period become unchangeable.
  • Page 131 Fig.4-37 Time Off Turn off time, when Time Off selecting -- -- , then means do not turn off the unit , display as Fig 4-38. Fig.4-38 Timing Status Drive up the weekly timing function in the current period or not. Control Mode Automatically drive-up mode Mode set Operation mode: Cooling, Heating, Water Pump Setting temp.
  • Page 132 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Fig.4-43 2 Detail procedures of modify a Weekly Timing Schedule: a Select a wired controller: By clicking the System diagram for weekly timing AC wired controller icon at the left side in the wired controller, or by selecting the wired controller at the drop-down box of Address .
  • Page 133 Fig.4-47 Fig.4-48 Fig.4-49 Communication parameter includes Serial port set History set See Fig.4-50 Fig.4-50 ① Click Serial port set , window as Fig. 4-51 will pop up modify or select the serial port in computer. The available serial port source is captured by software, and saved at the optional list for user to select. Provided that the selected serial port has been occupied, once click “Apply”...
  • Page 134 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Fig.4-52 Fig.4-53 Click History set , an interface as Fig. 4-54 displays to modify or select the history error saving duration. Fig.4-54 Help includes User guidance About . See Fig. 4-55 Fig.4-55 ,1Owner’s manual Software application manual, i.e.
  • Page 135 Fig.4-56 Fig.4-57 Fig.4-58 Fig.4-59 Fig.4-60 Provided that the selected wired controller in lock status, the key would display “Unlock KJR”(see Fig. 4-61), once successful unlock the wired controller, the message box (see Fig. 4-62) would display, then the key displays “Lock KJR”(see Fig. 4-63); If the set failed, message box (Fig. 4-64) would display, tells user that set failed because of timeout.
  • Page 136 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Fig.4-64 Query system parameter Click “Query system parameter”, system will query the operating status (display the sub-module of 0 address’s operation status) and display the operative interface according to the selected wired controller (refrigeration system).
  • Page 137 Whereas, “Query overtime” would display (see Fig. 4-68). Provided that the wired controller hasn’t been selected, namely the wired controller address is empty, a message box as Fig 4-69 would pop up. The query performance failed. Fig.4-69 Fig.4-68 Provided that malfunction occur, the corresponding error code will show in the System Query; Provided that protection function perform, the corresponding protection code will show in the System Query;...
  • Page 138 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Fig.4-71 Sub-module Query Click the “Query”, system will query the operative status and display the information in the operation interface according to the current selected sub-module. In the querying, a message box (see Fig. 4-72) would pop up: “Query success”...
  • Page 139 Provided that malfunction occur, the corresponding error code will show in the Sub-module query; Provided that protection function perform, the corresponding protection code will show in the Sub-module query; if move the mouse arrow to the these codes, a floating window as the follows Fig. 4-77 and 4-78 will appearance to giving the specific error or protection information.
  • Page 140 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Fig.4-81 System operate set 1 During setting, message boxes as following might display. Click the “System operate set” in the conditioner of without wired controller has been selected, a message box as Fig.
  • Page 141 2 Set wired controller separately: Do not tick the Uniformly Set . Select the wanted set wired controller (refrigeration system) from the wired controller address column and select the corresponding set parameters, which include control Mode (Auto), Mode set (cooling/heating/Water pump/turn-off), Setting temp. (Cooling: 5~17 ;...
  • Page 142 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Fig.4-96 Remark The computer can use the names of serial ports for querying: 1 Right-click the My Computer and select the Properties as Fig. 4-97. Fig.4-98 Fig.4-97 2 The window System Properties will be popped-up after selecting the...
  • Page 143 Fig.4-99 Fig.4-100 4 Click the icon in front of the Ports COM&LPT , then can view the port names by the format COM +number, these names are the usable serial port names for the computer (Note: the computer may has more serial ports or no ports), as Fig. 4-100.
  • Page 144 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 14.5 K01-LON KEM gateway (Optional) 14.5.1 Introduction It is applied the central A/C system and the Building Management System (BMS) (namely Automated Building System) to realize the integration of A/C system and Building Management system. SWITC H O F PO WER PO WER AC 220V...
  • Page 145 LonMark standard allocative attribute Software configuration Support Direct-Memory reading and writing by the LNS network management tool. Communication port Communication port Size 31.9cm X 25.1cm X 6.1cm 14.5.4 External dimension There are three installation methods as the following figure. Do not install the unit in any other orientation 14.5.5 Connection Method Connection Method 1 Air cooled scroll chiller: max.
  • Page 146 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Connection Method 2: Caution This system adopts the manner of shared network variable to manage A/C system, which cannot access the appointed A/C within central A/C system, until the co-responding network variable is modified to the one that is intended to access.
  • Page 147 Corresponding address of wired controller nciCtrl_Addr Caution First power on, it needs to set the gateway property as the actual conditioner, then connect the gateway which has been set to the Air-cooled Scroll system. * In a Air-cooled Scroll system, there are wire controller and gateway, the address which the address variable of the gateway (nciCtrl_Addr) corresponds to the address of wire controller must be larger than all the wire controller addresses (As displayed in Table A).
  • Page 148 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Input network variable of air-cooled scroll system Output network variable of air-cooled scroll chiller unit system...
  • Page 149 Network Network Name Date definition Descriptions variable name variable type Display the running mode HVAC_COOL: Cool Mode of Air-cooled Modular nvoSystem HVAC_HEAT: Heat Mode Running system. SNVT_hvac_mode state Mode HVAC_FAN_ONLY: Water pump Mode The initial value of first HVAC_OFF:Off Mode power on is HVAC_AUTO Setting water Display the total water...
  • Page 150 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) Network Network Name Date definition Descriptions variable name variable type Operating mode of unit HVAC_COOL: Cool Mode * n means the address of the unit, HVAC_HEAT: Heat Mode nvoRunMode Running SNVT_hvac_mode...
  • Page 151 Network Network Name Date definition Descriptions variable name variable type Compressor A current of unit. nvoCompA *n means the address of Current of SNVT_count 0~250A the unit, Current[n] Compressor A nvoCompACurrent[1] means the Compressor A current of unit which address is 1. Compressor B current of unit.
  • Page 152 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 14.6.4 Information collection This unit is provided a function that collecting information from the central A/C by BMS, which operation states' data of Air-cooled Scroll units within A/C system could be obtained by accessing the specifically K01-BACNET KEM object.
  • Page 153 14.6.8 K01-BACNET KEM alarm, protective status object list This device provides 16 alarm objects and 6 K01-BACNET KEM objects with general device status for the wired controller; to be used for the building management system supported K01-BACNET KEM agreement or other systems. And K01-BACNET KEM alarm, protective status object list are corresponding to the list in WEB, in web, yes means there has error or under protective status, no means system operate normally, in K01-BACNET KEM system, active means this object has error or under protective status.

  • Page 154: Optional Accessories

    MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) KJR120A/MBTE Code BI17 H igh pressure or air discharge tem perature protection error in system A (m anual recovery) Low pressure protection in system A (manual recovery) BI18 H igh pressure or air discharge tem perature protection in system B (m anual recovery) BI19...

  • Page 155: Appendix

    Appendix 1. Accessories Item Name of accessory Type Shape Usage Installation and owner's Installation and using instruction. manual The total outlet water Inspection the temperature of LSQWRF65M/A-C.ZL.10 temperature test kit total outlet water. KCCHT-02 Wired controller Control the system.
  • Page 156 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 2.Temperature-Resistance characteristic sheet for pipe temperature sensor ambient temperature sensor inlet water temperature sensor and outlet water temperature sensor. Sensor characteristic sheet Unit Temp. Ratio Temp. Ratio Temp.
  • Page 157 3.Temperature-Resistance characteristic sheet for discharge temperature sensor of digital compressor. Sensor characteristic sheet Unit Temp Ratio Temp Ratio Temp Ratio Temp. Ratio Temp. Ratio 2889.60000 148.39300 17.29460 3.45032 0.97524 2704.61400 141.59040 16.70980 3.35400 0.95632 2532.87200 135.14040 16.13360 3.26198 0.93826 2373.34200 129.00000 15.59180 3.17340...
  • Page 158 MCAC-ATSM-2017-08 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz) 207.87060 22.17940 4.20454 1.11800 197.91180 21.39680 4.08930 1.09650 188.49480 20.64000 3.97750 1.07500 179.59380 19.90900 3.87000 1.05436 171.16580 19.22100 3.75992 1.03458 163.15920 18.55020 3.65328 1.01480 155.57400 17.91380 3.55008 0.99502...

This manual is also suitable for:

Kem-65 dhn3Kem-130 hn3Kem-200 hn3Kem-250 hn3

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