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Operation manual
CoolOut25

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Summary of Contents for Conteg CoolOut25

  • Page 1 Operation manual CoolOut25...
  • Page 2 Regardless of the fact that this User Guide has been created and checked for correctness with maximum care, CONTEG, spol. s r. o. does not assume any liability for any mistakes in this documentation. CONTEG, spol. s r. o. reserves the right to modify the content. Neither are we liable for any indirect damages which may occur in relation to the delivery of the device or the use of this documentation within the limits laid down by the relevant law.
  • Page 3: Table Of Contents

    5.9.2 Electrical power supply – connection terminals ................29 5.9.3 Terminals for communication cable ....................30 5.9.4 Communication cable – connection to Conteg Indoor unit ............31 OPTIONAL ACCESSORIES FOR MONITORING ........... 32 ........................32 OMMUNICATION CARD P RS485 ) ................33...
  • Page 4 ALARM LIST .................... 38 DISCONNECTION AND DISPOSAL OF THE UNIT ........39 10 TECHNICAL DATA ..................40 10.1 25 ............................40 10.2 25 ....................... 41 OOLING CAPACITY 10.3 25 ................42 HE WORKING ENVELOPS OF THE COMPRESSOR 10.4 ................43 ERFORMANCE COEFFICIENT DEPENDING ON PIPE LENGTH...
  • Page 5 Conteg, spol. s r. o. reserves the right to modify the product as well as the relevant User Guide without prior notice to the users of the preceding version of the product.
  • Page 6: Safety Instructions

    Safety instructions Symbols used in this manual: THIS WARNING SIGN INDICATES SERIOUS DANGER WHICH DEVICE MAY CAUSE AND WHICH MAY DANGER LEAD TO INJURY OR EVEN DEATH IF SAFETY PRECAUTIONS OBSERVED! THIS SYMBOL DENOTES PROCEDURES WHICH ENTAIL A RISK WARNING OF CAUSING DAMAGE TO PROPERTY OR MINOR BODILY HARM.
  • Page 7: Important Safety Instructions

    The device may not be modified in any way without the approval of Conteg, spol. s r.o. If any part of the unit must be replaced, use only original spare parts approved by Conteg, spol. s r. o. to ensure the safety and functionality of the system.
  • Page 8: Refrigerant Handling

    1.2 Refrigerant handling • The CoolOut25 condensing unit is intended for connection to the indoor unit of the CoolTeg Plus DX or CoolTop DX product lines, which work on the principle of direct evaporation of R410A refrigerant. • Observe all applicable regulations of the country where the unit is installed when handling, installing and disposing of refrigeration units.
  • Page 9: Product Identification

    Product identification Product plate The unit may be identified by product plate, which contains basic product information. The technical specifications on the label are related to the rated conditions of operation the cooling equipment. Production label is located at the rear side of the unit. Picture: 2.1...
  • Page 10: Basic Description Of The Device

    The CoolOut25 condensing unit is basically an air / refrigerant heat exchanger that removes the heat load (thermal energy) that is taken from the indoor unit as efficiently as possible. The CoolOut25 unit is optimized for placement on the wall or roof of a building.
  • Page 11: Correct Usage

    3.2 Correct usage CoolOut25 units are designed to be connected to the Conteg indoor unit. The assembly of these units provides cooling of cabinets with technological equipment (especially IT). CoolOut units must not be used beyond the safety limits. Operating limits: Standard design of CoolOut25 units.
  • Page 12: Unpacking And Inspection On Receipt Of The Product

    In accordance with the company's terms of delivery, the deliverer is the sole person responsible for damage caused during the transportation of the goods. CONTEG is not liable for any damage caused by the deliverer; however, CONTEG does its best to help its customers in such a situation.
  • Page 13: Lifting And Transportation

    4.2 Lifting and transportation Danger of heavy load falling The capacity of the lifting device must be adapted to the weight of the condensing unit. The load must be placed evenly to prevent tilting. Avoid negligent and dangerous handling. Do not place any other objects on the air-conditioning unit. Check the dimensions of the unit.
  • Page 14: Installation

    Installation 5.1 Location of the CoolOut25 unit • Avoid places exposed to direct sunlight or other sources of heat. • Choose a location from which the noise emitted by the unit will not interfere. • The unit must not be installed in an enclosed space.
  • Page 15: Minimum Space For Installation

    5.3 Minimum space for installation 300 mm 500 mm Picture 5.2 – Minimum spare for installation...
  • Page 16: Recommended Location Layout

    Units must not draw heated air from another unit or other heat source. • The figure below shows the minimum distances with respect to maximum area utilization. • Adherence to the minimum dimensions, ensures trouble free operation at high outdoor temperatures. Picture 5.3 – Location layout CoolOut25...
  • Page 17: Dimensions Of Coolout25 Mounting Points

    5.5 Dimensions of CoolOut25 mounting points • The mounting holes are dimensioned for the use of M10 screws. Picture 5.4 – Dimensions of CoolOut25 mounting points Picture 5.5 – detail of the mounting hole...
  • Page 18: Coolout25 Unit Installation Procedure

    5.5 Dimensions of mounting points.. Screw the CoolOut25 condensing unit to the mounting system and check for a firm fit. Prepare piping, power and communication cable. Select the appropriate, shortest route to the indoor unit.
  • Page 19: Refrigerant Piping Between Indoor Unit And Outdoor Unit Coolout25

    5.7 Refrigerant piping between indoor unit and outdoor unit CoolOut25 To connect the CoolOut25 unit, use a refrigerant pipe with an outside diameter of: Liquid – 12 mm diameter, wall thickness min. 1 mm or 1/2“wall thickness min. 1 mm Gas –...
  • Page 20: Connection The Refrigerant Piping And Filling With Refrigerant

    5.8 Connection the refrigerant piping and filling with refrigerant CoolOut25 outdoor units are ready to be connected to Conteg indoor units. The connection pipe on the outdoor CoolOut25 unit is brazed to eliminate refrigerant leaks. The brazed joint is not limited by ambient temperature and the tightness of the joint is guaranteed even for very low outdoor temperatures.
  • Page 21 • Front cover – 20x screw M5x10, head with 3 mm Allen/Hex key Picture 5.7a – Unit CoolOut25, front cover Picture 5.7b – Unit CoolOut25, front cover...
  • Page 22 • Rear cover – 11x screw M5x10, head with 3 mm Allen/Hex key. Picture 5.8a – Unit CoolOut25, rear cover...
  • Page 23: Brazing

    Solder the piping on the outdoor unit. Use brazing. Solder with a silver content of at least 15%. When you finish brazing, perform the leak test - see section below and check the pipe insulation. Picture 5.9 – Unit CoolOut25, connection piping...
  • Page 24: Refrigerant Circuit Tightness Checks

    Refrigerant circuit tightness checks 5.8.3 After all components are completely connected and before filling the circuit with refrigerant, two leak tests must be performed on the system. These are a pressure test and a vacuum test. Testing of the entire refrigerant circuit is described below. To help determine any leaks, we deliver individual circuit components to be tested prior to this complete test.
  • Page 25: Service Connection Points For Vacuum And Refrigerant Filling

    Service connection points for vacuum and refrigerant filling 5.8.4 Use both 7/16“ nr.1 and nr.2 see. Picture below. Picture 5.10 – Unit CoolOut25, service connection points for refrigerant charging and vacuum test...
  • Page 26: Vacuum Test

    Vacuum test 5.8.5 Before the CoolOut25 condensing unit can be started up, it is necessary to ensure that unwanted moisture is removed from the refrigeration circuit, which could cause compressor failure in the long term. The evaporation process takes time, it is not sufficient to simply achieve a given vacuum pressure, but it is important that it continues for a certain period of time.
  • Page 27: Refrigerant Filling

    Unit type quantity * CoolOut25 7,2 kg CoolOut25 + winterkit 8,5 kg * Refrigerant quantity up to 30 m of pipes For each additional meter 0,045 kg is added Maximum pipe length between indoor and outdoor unit is 85 m.
  • Page 28: Electrical Power Supply And Communication With The Indoor Unit

    CoolOut25 400V 50-60 Hz CYKY 5x6mm Removing the covers before connecting the power supply 5.9.1 • Front cover – 20x screw M5x10, head with 3 mm Allen/Hex key. Picture 5.11 – Unit CoolOut25, removing the front cover...
  • Page 29 • Electrical box cover – 7x screw M5x10, head with 3 mm Allen/Hex key. Picture 5.12 – Unit CoolOut25, removing the electro box cover...
  • Page 30: Electrical Power Supply - Connection Terminals

    Observe the recommended conductor cross-sections and values of the parent circuit breakers, see table in chapter 5.9. Fix the cable with the cable clamp (included in the electrical box). Picture 5.13 – Unit CoolOut25, Connection terminals – electrical power supply...
  • Page 31: Terminals For Communication Cable

    5.9.3 Terminals for communication cable Picture 5.14 – Unit CoolOut25, communication terminals...
  • Page 32: Communication Cable - Connection To Conteg Indoor Unit

    2, 3 temperature sensor behind the evaporator 4, 5 pressure sensor behind the evaporator 6, 7 Indoor unit (see manual for indoor unit) Outdoor unit CoolOut25 Picture 5.15 Connection diagram of CoolOut25 communication and Conteg indoor unit...
  • Page 33: Optional Accessories For Monitoring

    Optional accessories for monitoring Communication card pCOWeb Available functions A pCOWeb connected to an Ethernet network provides the following features: • WEB server: used to check or change the operating status of the cooling unit controller using a remote computer running, for example, Mozilla Firefox, Google Chrome or Microsoft Edge.
  • Page 34: Modbus Rs485 Communication Card (Optically Isolated)

    Modbus RS485 communication card (optically isolated) Modbus RS485 communication card is used to connect information from the controller to the customer's BMS. Using Modbus communication protocol.
  • Page 35: List Of Variables On Communication

    List of variables on communication 6.3.1 Analog variables Description Direction Address Suction pressure -99.9 99.9 °C Suction temperature -99.9 99.9 Discharge pressure -99.9 99.9 °C Discharge temperature -999.9 999.9 °C Hotgas temperature -999.0 999.9 °C Outside temperature -99.9 99.9 °C Compressor temperature -999.9 999.9...
  • Page 36: Integer Variables

    Integer variables 6.3.2 Description Direction Address Alarms -32768 32767 Unit status Condenser status Position valve steps steps 9999 EVD Evolution OnBoard regulation status Indoor unit addres Condenser fans off delay Valve B position Valve B position steps 9999 New day New month New year New hour...
  • Page 37 Oil protection active PSD fan start Request to copy NEW_DAY into DAY Request to copy NEW_MONTH into MONTH Request to copy NEW_YEAR into YEAR Request to copy NEW_HOUR into HOUR Request to copy NEW_MINUTE into MINUTE...
  • Page 38: Maintenance

    (by a certified service person), then when an alarm occurs and in specific cases when there is a change in operation. For information on service partners, please contact cooling@conteg.cz...
  • Page 39: Alarm List

    Alarm list The following table lists all alarms that can occur in the system. Alarm text Code Cause Stops Probe Bnn ALAnn Failure of one of the sensors. The Nothing. An incorrect sensor is marked with the appropriate sensor reading can terminal.
  • Page 40: Disconnection And Disposal Of The Unit

    Disconnection and disposal of the unit This refrigeration unit may only be uninstalled by competent and properly trained persons with the appropriate permit (refrigerant disposal). Before any manipulation of the unit, first disconnect the power supply and secure it against reconnection.
  • Page 41: Technical Data

    Technical data 10.1 CoolOut25 Unit type AC-ODX-25 Connected indoor unit CoolTop / CoolTeg DX Operating conditions -20 to +47 °C Operating conditions**** °C -40 to +47 °C Power regulation Smooth 11–100 % Rated cooling power Power supply V/f/Hz 400/3/50-60 Operating current*...
  • Page 42: Cooling Capacity Coolout25

    10.2 Cooling capacity CoolOut25 Condensing temperature Picture 5.16 Cooling capacity CoolOut25 CoolOut25, maximal cooling capacity 35kW 30kW 25kW 20kW 15kW 10kW 25°C 30°C 35°C 40°C 45°C 50°C 55°C 60°C Outdoor temperature Evaporation temperature of the refrigerant at between vapor saturations 15 °C, pipe length 7 m, rH 30 %.
  • Page 43: The Working Envelops Of The Compressor Coolout25

    10.3 The working envelops of the compressor CoolOut25 The working envelops of the compressor Picture 5.20 CoolOut25...
  • Page 44: Performance Coefficient Depending On Pipe Length

    100m CoolOut25 standard 0,976 0,948 0,919 0,889 0,859 0,829 0,797 0,766 - CoolOut25 + winter-kit 0,976 0,948 0,919 0,889 0,859 0,829 - CoolOut25 + winter-kit for 0,797 0,766 0,737 0,703 piping longer than 65m Outdoor unit under indoor unit 5m 10m...
  • Page 45 Notes:...

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