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Contec CoolSeven User Manual

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CoolSeven

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  • Page 1 User manual CoolSeven...
  • Page 2 © 2016 CONTEG, spol. s r.o. All rights reserved. Distribution or reproduction of this documentation, or selling or sharing its content is not allowed, unless expressly approved by the owner of the copyright. Regardless of the fact that this User Guide has been created and checked for correctness with maximum care, CONTEG, spol.

  • Page 3: Table Of Contents

    Contents SAFETY INSTRUCTIONS ..............5 ........................5 MPORTANT SAFETY INSTRUCTIONS ..........................6 EFRIGERANT HANDLING ....................7 NVIRONMENTAL AND SAFETY REQUIREMENTS ..............................7 IRST AID PRODUCT IDENTIFICATION .............. 8 BASIC DESCRIPTION OF THE DEVICE ..........9 ......................9 ENERAL DESCRIPTION OF EVEN ..............................
  • Page 4 MAINTENANCE ................... 29 ........................ 29 LEANING OF THE HEAT EXCHANGER ......................29 LEANING OF THE CONDENSATE TANK ............................29 ARAMETER CHECK ALARM LIST ..................30 DISCONNECTION AND THE DISPOSAL OF THE UNIT ....30 TECHNICAL DATA ................31 ............................31 EVEN OPTIONAL ACCESSORIES ...............
  • Page 5 IMPORTANT! This User Guide, including all other applicable documentation, forms an integral part of the product. All applicable documentation must be handed over to those persons who will install, operate, control or dismount the equipment. The user or the service partner must carefully read the User Guide and fully understand it prior to installation and commissioning of the device.

  • Page 6: Safety Instructions

    Safety instructions The symbols used throughout this User Guide: THIS WARNING SIGN INDICATES SERIOUS DANGER WHICH THE DEVICE MAY CAUSE DANGER AND WHICH MAY LEAD TO INJURY OR EVEN DEATH IF SAFETY PRECAUTIONS ARE NOT OBSERVED! THIS SYMBOL DENOTES PROCEDURES WHICH ENTAIL A RISK OF CAUSING WARNING DAMAGE...

  • Page 7: Refrigerant Handling

    Refrigerant handling • The unit CoolSeven is intended to be connected to outdoor condensing unit CoolOut7, which use the R410A refrigerant. • Coolant handling, and the installation and disposal of cooling units must be made in compliance with the regulations applicable in the country where the unit is installed.

  • Page 8: Environmental And Safety Requirements

    Environmental and safety requirements In accordance with the certificate of compliance, Conteg spol. s r. o., as the manufacturer of the device, declares that CoolSeven cooling units have been manufactured and tested in accordance with the following directives: Directive 2014/35/EU – low voltage technical requirements EN 60204-1 Electrical apparatus for machines.

  • 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.

  • Page 10: Basic Description Of The Device

    Correct use The CoolSeven units are designed to cool IT racks with IT technology. Use this cooling unit to eliminate problems caused by high temperature. CoolSeven units cannot be used beyond safety restrictions.

  • Page 11: Illegal Use

    • open fire • risk of fire • near combustible products • explosive environment • salty environment • environment with aggressive gases If in doubt, please contact the manufacturer. – cooling@conteg.cz The CoolSeven units don’t serve as heat pumps.

  • Page 12: Unpacking And Inspection Upon Delivery

    Unpacking and inspection upon delivery Inspection upon delivery CONTEG products are supplied directly from the manufacturing plant. Prior to dispatching, all components are inspected one by one and carefully packed. The whole device is tested for functionality before dispatching. After receiving the goods, immediately check the following: •...

  • Page 13: Lifting And Transportation

    Lifting and transportation Danger of heavy load falling The load-bearing capacity of the equipment must correspond to the weight of the cooling 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 Make sure there is enough space for proper handling of the unit.

  • Page 14: Installation

    Installation Installation of indoor unit CoolSeven The CoolSeven unit is installed in a 19” plane between the cabinet rails. The CoolSeven unit is installed using the Conteg - DP MO 01 mounting kit (the mounting kit contains 4x M5 screws, 4x floating nuts and 4x washers).

  • Page 15: Coolseven Unit Connection

    (service the main switch CoolSeven units display) To guarantee the correct function of the CoolSeven cooling unit, the following connection conditions must be observed: The electrical connection 230 V 50-60 Hz socket IEC C14, cable for connection to the Schuko socket included.

  • Page 16: The Communication Between Indoor Coolseven Unit And Outdoor Coolout Unit

    The communication between indoor CoolSeven unit and outdoor CoolOut unit Recommendation – Use a flexible and shielded communication cable min. 6 x 1,0 mm2 The maximum length of the communication cable is - 500 m. Terminal description n. terminal communication with outdoor...

  • Page 17: The Refrigerant Piping Between Indoor Coolseven Unit And Outdoor Coolout Unit

    The refrigerant piping between indoor CoolSeven unit and outdoor CoolOut unit Use an outside diameter refrigerant pipe to connect the CoolSeven - Liquid - 1/2 “wall thickness min. 1 mm or 12mm wall thickness min. 1 mm Gas - 5/8 “wall thickness min. 1 mm or 16mm wall thickness min. 1 mm The piping must be tested and certified for use with R410A refrigerant (42 bar).

  • Page 18: Control - The Main Screen + User Menu

    Op. hours total: the total number of operating hours Network: network status of the unit: Online: The CoolSeven unit, communicate with one or more indoor unit. Stand-alone: the unit is in standby mode (can’t find other indoor unit, or it’s set to stand-alone mode in the service menu.

  • Page 19: Info Temperature

    6.1.3 Info temperature This screen shows the actual measured temperatures. 6.1.4 Info circuit Refrigerant circuit information is shown in this screen. Upper part shows condenser’s information: : Condenser’s fan is switched off : Condenser’s fan is switched on : Condenser’s fan in failure Next to the fan symbol is the value of the set and actual condensing pressure, below the fan symbol is the current speed.

  • Page 20: Info Zone

    6.1.8 Info zone This screen is to be shown only on Master unit. Units total: Total number of units Active units: Quantity of active units (with the operation requirements) Units start demand: information about standard active units. The units are displayed as follows: Cooling request is request for another unit to run, if actual working units are not enough to cool down total heat load (service screen „Cooling request “).

  • Page 21: User Menu

    3. If all the alarms are acknowledged (diode under the Alarm key is on permanently) and no alarm is active, the Alarm key is cleared, the Alarm Noise screen is displayed and the Alarm LED goes out. 4. If all alarms are acknowledged (diode under the Alarm key is lit permanently) but there are still one or more active alarms in the system, the first alarm will appear when the Alarm key is pressed, and the diode below the alarm key will blink (the active alarm cannot be deleted).

  • Page 22: Warning Parameters

    6.3.4 Warning parameters This screen sets the maximum and minimum outlet temperatures for warnings. If the actual outlet temperature is higher than the set value, a high temperature alarm is activated and the door of cabinet is opened via the door contact. The alarm of high temperature is ended if the outlet temperature is lower/higher than the set value and diff.

  • Page 23: Interconnection Between The Cooling Units

    Interconnection between the cooling units The every CoolSeven unit includes the COM1 and COM2 ports (the connection RJ45 – female). Ports are used for interconnections between units CoolSeven – interconnection of units into one zone. Communication cables Use the shielded FTP cable (category 5e) with RJ45 male connector to connect the units to one zone.

  • Page 24: An Example Of The Recommended Connection

    7.4.1 Sequencing In this case, that the maximum quantity of the CoolSeven units is higher than number of active units, it’s possible to adjust sequencing parameters in the zone. In the sequencing mode, every unit must be assigned an order number, which determines the cooling unit sequence in the given period.
  • Page 25 If group sequencing is disabled, units sequencing follows this scheme: Ex. 1: Total number of units: 6 pc Number of active units: 2 pc Group sequencing: no. 1 no. 2 no. 3 no. 4 no. 5 no. 6 Cycle 1 Cycle 2 Cycle 3 Cycle 4...

  • Page 26: Overload Start

    Ex. 4: Total number of units: 6 pc Number of active units: 3 pc Group sequencing: no. 1 no. 2 no. 3 no. 4 no. 5 no. 6 Cycle 1 Cycle 2 Cycle 3 Cycle 4 Cycle 5 Cycle 6 On the Zone-parameter screen it is possible to set daily or weekly Unit sequencing period as well as parallel run during the sequencing so that the cooling power does not drop out while the new units are started.

  • Page 27: List Of Communication Variables

    List of communication variables Analog variables Description Direction Address °C Temperature inlet 99.9 °C Temperature outlet 99.9 Fan’s speed 100.0 °C Temperature setpoint 30.0 °C Temperature hysteresis Cooling MAX 100.0 Cooling MIN 100.0 Temperature differential setpoint 30.0 Fan speed MAX 100.0 Fan speed MIN 100.0...
  • Page 28 Integer variables Directio Addre Description Unit status Fan 1 status Fan 2 status Operating hours (thousands) Operating hours (units) Operating hours total (thousands) Operating hours total (units) Fans off delay Unit Off Delay 9999 Condensate pump Off Delay Condenser status Valve position steps 9999 Valve B position...
  • Page 29 Digital variables Description Direction Address Alarm float Alarm fan 1 Alarm fan 2 Alarm temperature high Alarm outdoor unit offline Alarm condenser fan 1 Alarm condenser fan 2 Alarm condenser fan 3 Alarm condenser fan 4 Alarm suction pressure Alarm discharge pressure Alarm discharge temperature Alarm EVO Alarm compressor...

  • Page 30: Maintenance

    Maintenance To ensure trouble-free operation, checking the equipment at least once a week is recommended. Scheduled maintenance must be conducted at least twice a year (official conteg service partner), whenever an alarm is triggered, and in specific cases of changes in operation.

  • Page 31: Alarm List

    Alarm List The following table presents a list of all alarms which may be triggered in the system. The fan, outdoor unit and flood alarms have to be reset manually after the cause has been resolved. The service alarm is only reset after acknowledgement in the service display (official conteg service partner).

  • Page 32: Technical Data

    Technical data CoolSeven Unit type CoolSeven Connected outdoor unit CoolOut7 BASIC DATA Cooling system Direct Expansion Architecture Open or closed Nominal cooling capacity Nominal net cooling capacity Power supply V/f/Hz 230/ 1 / 50-60 Maximum Power consumption Maximum Airflow 1791...

  • Page 33: Optional Accessories

    Optional accessories Condensate pump The condensate pump is located in the rear of the unit above the condensate tank. It is attached to the unit frame using a holder and its intake piping goes to the lowest section of the condensate tank.

  • Page 34: Coolseven Display

    This display can be used to change all user or service settings. • We recommend installing at least one display to zone. CoolSeven units communicate with each other and with display too. The user can control and set setpoints and other necessary parameters of the unit.

  • Page 35: The Communication Card Pcoweb

    The 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 36: The Communication Card Modbus Rs485 (Optical Isolated)

    The communication card ModBus RS485 (optical isolated) The communication card ModBus RS485 is used for connection information from the controller to customer BMS. Using the ModBus RTU communication protocol.
  • Page 37 Notes:...

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