Sinclair SCV EB Series Installation And User Manual
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Sinclair SCV EB Series Installation And User Manual

Air-cooled modular chiller unit
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AIR-COOLED
CHILLER UNIT
INSTALLATION
AND USER MANUAL
SCV-XXX B
AIR CONDITIONING

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Summary of Contents for Sinclair SCV EB Series

  • Page 1 AIR-COOLED CHILLER UNIT INSTALLATION AND USER MANUAL SCV-XXX B AIR CONDITIONING...
  • Page 2 “Original instructions”...

  • Page 4: Table Of Contents

    CONTENTS ACCESSORIES INTRODUCTION use conditions of the unit 2 SAFETY CONSIDERATION BEFORE INSTALLATION Handling of the unit 4 IMPORTANT INFORMATION ON REFRIGERANT 5 SELECTION OF INSTALLATION SITE PRECAUTIONS ON INSTALLATION Outline dimensional drawing Requirements of arrangement space of the unit Space requirements for parallel installation of multiple Modular units Installation foundation Installation of damping devices...
  • Page 5 11 MAINTENANCE AND UPKEEP 11.1 Failure information and code 11.2 Data display of wired controller 11.3 Care and maintenance 11.4 Removing scale 11.5 Winter shutdown 11.6 Replacing parts 11.7 First startup after shutdown 11.8 Refrigeration system 11.9 Disassembling compressor 11.10 Auxiliary electric heater 11.11 System antifreezing...

  • Page 6: Accessories

    ACCESSORIES Temperature testing Installation manual of Unit Installation & Operation Manual components of total Transformer wired controller water outlet Quantity Shape Purpose Use for installation (only need for setting the main module) 1 INTRODUCTION 1.1 Use conditions of the unit 1) The standard voltage of power supply is 380-415V 3N~50Hz, the minimum allowable voltage is 342V, and the maximum voltage is 456V.

  • Page 7: Safety Consideration

    2. SAFETY CONSIDERATION The precautions listed here are divided into the following types.They are quite important, so be sure to follow them carefully. Meanings of DANGER, WARNING, CAUTION and NOTE symbols. INFORMATION Read these instructions carefully before installation. Keep this manual in a handy for future peference. Improper installation of equipment or accessories may result in electric shock, short-circuit, leakage, fire or other damage to the equipment.
  • Page 8 WARNING Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants. Tear apart and throw away plastic packaging bags so that children will not play with them.Children playing with plastic bags face danger of death by suffocation.

  • Page 9: Before Installation

    Do not install the unit in the following places: - Where there is mist of mineral oil, oil spray or vapors. Plastic parts may deteriorate, and cause them to come loose or water to leak. - Where corrosive gases (such as sulphurous acid gas) are produced. Where corrosion of copper pipes or soldered parts may cause refrigerant to leak.

  • Page 10: Important Information On Refrigerant

    2) Lifting: each lifting rope (belt) should be able to bear 4 times the weight of the unit. Check the lifting hook and ensure that it is firmly attached to the unit. To avoid damages to the unit, a protective block made of wood , cloth or hard paper should be placed between the unit and rope when lifting, and its thickness should be 50mm or more.

  • Page 11: Precautions On Installation

    6 PRECAUTIONS ON INSTALLATION 6.1 Outline dimensional drawing 6.1.1 SCV-300EB Front view Left view Top view Fig. 6-1 Outline dimensional of SCV-300EB 6.1.2 SCV-600EB Left view Top view Front view Fig. 6-2 Outline dimensional of SCV-600EB Table 6-1 Model SCV-300EB SCV-600EB 1870 2220...

  • Page 12: Requirements Of Arrangement Space Of The Unit

    6.2 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. 2) If the unit is installed where the flowing speed of air is high, such as on the exposed roof, the measures including sunk fence and Persian blinds can be taken, to prevent the turbulent flow from disturbing the air entering the unit.

  • Page 13: Space Requirements For Parallel Installation Of Multiple Modular Units

    6.3 Installation foundation (unit: mm) 1870 6.3.1 Base structure Inlet and outlet Outdoor unit base structure design should take account of the pipe side Electric control following considerations: box side 1) A solid base prevents excess vibration and noise. Outdoor unit bases should be constructed on solid ground or on structures Drainage channel of sufficient strength to support the units’...

  • Page 14: Installation Of Damping Devices

    6.5.1 Measures used to prevent problems caused by snow Anchor bolt 1) Measures to prevent build-up of snow The base height should be as least the same as the predicted Ferrol snow depth in the local area. Damping device Outdoor unit Fig.

  • Page 15: Typical Application Examples

    7 CONNECTION DRAWING OF PIPELINE SYSTEM This is the water system of standard module. Expansion tank Water replenishing Dirt discharge valve Y-type filter, unit requiring≥ 40 meshes unit Terminal unit Drain valve Two-way valve Auxiliary electric heater Three-way valve Symbol explanation Stop valve Pressure gauge Flexible joint...

  • Page 16: Opening The Uint

    Fig. 8-1 Main parts of SCV-300EB Fig. 8-2 Main parts of SCV-600EB 8.2 Opening the uint By means of a detachable service panel, the maintenance personnel can easily access the interior components of the unit. Door 2 Door 1 Door 3 Door 4 Fig.

  • Page 17: System Diagram

    8.3 System diagram 8.3.1 diagram of SCV-300EB Fig.8-5 is the function diagram of the SCV-300EB. inlet outlet Fig.8-5 SCV-300EB function diagram Table 8-2 Legend DC inverter compressor Safty valve Crankcase heater Gas-liquid separator DC inverter compressor discharge temperature sensor 1 Suction temperature sensor DC inverter compressor discharge temperature sensor 2 Filter...
  • Page 18 8.3.2 diagram of SCV-600EB Fig.8-6 is the function diagram of the SCV-600EB. inlet outlet Fig.8-6 SCV-600EB function diagram Table 8-3 Legend Dc inverter compressor 1 Water side antifreeze temperature sensor 2 Dc inverter compressor 2 Water side antifreeze temperature sensor 1 Crankcase heater 1 Stop valve Crankcase heater 2...

  • Page 19: Outdoor Unit Pcbs

    8.4 Outdoor unit PCBs 8.4.1 MAIN PCB 1) Label descriptions are given in Table 8-7 Fig. 8-7 Main PCB of SCV-300EB and SCV-600EB Table 8-4 Detail information CN30：Input of three-phase four-wire power supply (fault code E1) Input of transformer, 220-240V AC current.
  • Page 20 Detail information CN83:COMP-STATE,connect with an ac light to indicate the state of the compressor Attention: the control port value of the pump actually detected is ON/OFF but not 220-230V control power supply，so special attention should be paid when installing the light. CN2:HEAT1.Pipeline Auxiliary Heater Attention: the control port value of the pump actually detected is ON/OFF but not 220-230V control power supply，so special attention should be paid when installing the pipeline auxiliary heater.
  • Page 21 Detail information CN8:Water flow switch signal Digital tube 1) In case of stand-by, the address of the module is displayed; 2) In case of normal operation, 10. is displayed (10 is followed by dot). 3) In case of fault or protection, fault code or protection code is displayed. S5:Dip switch S5-3: Normal control, valid for S5-3 OFF(factory default).

  • Page 22: Electric Wiring

    8.5 Electric wiring 8.5.1 Electric wiring CAUTION The air-conditioner should apply special power supply, whose voltage should conform to rated voltage. Wiring construction must be conducted by the professional technicians according to the labeling on the circuit diagram. The power wire and the grounding wire must be connected the suitable terminals. The power wire and the grounding wire must be fasten up by suitable tools.
  • Page 23 8.5.4 Electrical wiring percautions c. It is advisable to use 3-core shielded cables for uint to minimize interference. Do not use the unshielded multicore conductor cables. a. On-site wiring, parts and materials must comply with the local and national regulations as well as relevant national electrical standards.
  • Page 24 8.5.6 Requirements for power supply wiring Correct Power distribution Manual transformer Lightning switch Fuses arrester Grounding wire Power 380-415V Building 3N~50Hz Uint Grounding 1 Grounding 2 Grounding 3 Wrong Power distribution transformer Manual Lightning arrester switch Fuses Grounding wire Power 380-415V 3N~50Hz Surge...
  • Page 25 8.5.8 Function of terminals 8.5.7 Requirements for power cord connection Correct As shown in the figure below, the uint communication signal wire is connected to the terminal block XT2 at 5(X), 6(Y) and 7(E), and the wired controller signal wire is connected at 8(X), 9(Y) and 10(E) inside the electric control box.
  • Page 26 0# electric 0# electric 8.5.12 Control system and installation precautions control box control box “ON/OFF” port “ON/OFF” port a. Use only shielded wires as control wires. Any other type of wires may produce a signal interference that will cause the units to malfunction.
  • Page 27 8.5.13 Wiring instances If multiple units are connected in parallel, the user needs to set uint address on the DIP switches. The DIP switch address is ENC4. With 0-F being valid, 0 indicates the main unit and 1-F indicate auxiliary units. Fig.
  • Page 28 Fig. 8-19 Networking communication schematic of main unit and auxiliary unit for SCV-600EB...

  • Page 29: Water System Installation

    pipes their ports must NOTE independentlysupported but should not be supported on the unit. When the power cord is parallel to the signal wire, f) The pipes and their ports of the heat exchanger should make sure that they are enclosed in respective be easy to disassemble for operation and cleaning, as conduits and are kept a reasonable wire spacing.
  • Page 30 8.6.2 Connection mode of pipe The water inlet and outlet pipes are installed and connected as shown in the following figures. SCV-300EB model uses screwed connection, while the SCV-600EB model uses hoop connection. For the specifications of the water pipes and screw thread, see the Table 8-7 below.
  • Page 31 Error Recommendation Error Recommendation Fig.8-22 Design of the store tank 8.6.4 Minimum chilled water flow 8.6.7 Selection and installation of the pump The minimum chilled water flow is shown in the table 8-8 1) Select the pump If the system flow is less than the minimum unit flow rate, a) Select the water-flow of the pump the evaporator flow can be recirculated, as shown in the The rated water-flow must no less than the unit rated...
  • Page 32 2) Applicable standard of water quality for the unit Table 8-9 PH value 6.8~8.0 Sulfate <50ppm Total hardness <70ppm Silicon <30ppm Conductivity <200μV/cm(25°C) Iron content <0.3ppm Sulfide ion Sodium ion No requirement Chloride ion <50ppm Calcium ion <50ppm Ammonia ion 8.6.9 Installation of multi-module water system pipeline Multi-module combination installation involves special design of the unit, so relevant explanation is given as follows.

  • Page 33: Strat-Up And Configruation

    8.6.10 Installation of single or multiple b. Multiple water pumps water pumps Each unit is required to install a one-way valve when multiple 1) DIP switch pumps are installed, refer to figure as follow. The choice of DIP switch see Table 8-5 in detail when single or multiple water pumps are installed for SCV-300EB and SCV-600EB.

  • Page 34: Test Run And Final Check

    10 TEST RUN AND FINAL CHECK 10.1 Check item table after installation Table 10-1 Checking item Description Units are fixed mounting on level base. Ventilating space for heat exchanger at the air side is meeting for requirement Maintenance space is meeting for requirement. Whether installing site is meet for requirements Noise and vibration is meeting for requirement.

  • Page 35: Maintenance And Upkeep

    11 MAINTENANCE AND UPKEEP 11.1 Failure information and code In case the unit runs under abnormal condition, failure protection code will display on both control panel and wired controller, and the indicator on the wired controller will flash with 1Hz. The display codes are shown in the following table: Table11-1 SCV-300EB and SCV-600EB Note Code...
  • Page 36 Code Content Note Inverter module temperature Tfin too high Occurs 3 times in 100 minutes and the error can be recovered by temperature protection turning off the power supply only x=1 means Fan A,x=2 means Fan B DC fan module protection Recovered upon error recovery Voltage too high or too low Recovered by power off...

  • Page 37: Data Display Of Wired Controller

    11.2 Digital display of main board 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 The data display area is divided into Up area and Down area, found.

  • Page 38: First Startup After Shutdown

    11.7 First startup after shutdown 11.9 Disassembling compressor The folowing preparations should be made for re-startup of unit Follow the following procedures if compressor needs to be after long-time shutdown: disassembled: 1) Thoroughly check and clean unit. 1) Cut off the power supply of unit. 2) Clean water pipe system.

  • Page 39: Replacement Of Safety Valve

    11.12 Replacement of safety valve Replace the safety valve as follows: 1) Reclaim the refrigerant completely in the system. Doing so requires professional staff and equipment; 2) Note to protect the tank coating. Avoid damage to coating from external force or high temperature when removing and installing the safety valve;...

  • Page 40: Information Servicing

    INFORMATION SERVICING 11.13 1) Checks to the area Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minmised. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on the system.
  • Page 41 b) Particular attention shall be paid to the following to ensure that by working on electrical components, the casing is not altered in such a way that the level of protection is affected. This shall include damage to cables, excessive number of connections, terminals not made to original specification, damage to seals, incorrect fitting of glands, etc.
  • Page 42 Ensure that the refrigeration system is earthed prior to charging the system with refrigerant. Label the system when charging is complete(if not already). Extreme care shall be taken not to overfill the refrigeration system. Prior to recharging the system it shall be pressure tested with OFN. The system shall be leak tested on completion of charging but prior to commissioning.

  • Page 43: Record Table Of Test Run And Maintenance

    RECORD TABLE OF TEST RUN AND MAINTENANCE Table 11-2 Model: Code labeled on the unit: Customer name and address: Date: 1. Check temperature of chilled water or hot water Inlet ( Outlet ( 2. check air temperature of air-side heat exchanger: Inlet ( Outlet ( 3.

  • Page 44: Applicable Models And Main Parameters

    12 APPLICABLE MODELS AND MAIN PARAMETERS Table 12-1 SCV-300EB SCV-600EB Model Cooling capacity 27.5 Heating capacity 32.0 Standard cooling input 10.3 21.5 Cooling rated current 15.9 33.1 Standard heating input 10.0 20.0 Heating rated current 15.4 30.8 Power supply 380-415V 3N~ 50Hz Operation control Control of wired controller, auto startup, running state display, failure alert etc.

  • Page 45: Information Requirements

    (100 years) Standard rating conditions used: Low temperature application Sinclair Corporation, Ltd. Contact details 1-4 Argyll Street, W1F 7LD London, United Kingdom (*) If C is not determined by measurement then the default degradation coefficient of chillers shall be 0,9.
  • Page 46 (100 years) Standard rating conditions used: Low temperature application Sinclair Corporation, Ltd. Contact details 1-4 Argyll Street, W1F 7LD London, United Kingdom (*) If C is not determined by measurement then the default degradation coefficient of chillers shall be 0,9.
  • Page 47 Table 13-3 Information requirements for heat pump space heaters and heat pump combination heaters Model(s): SCV-300EB [yes] Air-to-water heat pump: [yes/no] Water-to-water heat pump: [yes/no] Brine-to-water heat pump: [yes/no] Low-temperature heat pump: For low-temperature heat pumps, parameters shall be declared for low-temperature application. Otherwise, parameters shall be declared for medium-temperature application.
  • Page 48 Table 13-4 Information requirements for heat pump space heaters and heat pump combination heaters Model(s): SCV-600EB [yes] Air-to-water heat pump: [yes/no] Water-to-water heat pump: [yes/no] Brine-to-water heat pump: [yes/no] Low-temperature heat pump: [yes/no] Equipped with a supplementary heater: [yes/no] Heat pump combination heater: For low-temperature heat pumps, parameters shall be declared for low-temperature application.
  • Page 50 NOTE...

This manual is also suitable for:

Scv-600ebScv-300eb

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