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Seifert 862504S62 Manual

Cooling unit for enclosures
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Table of Content 862504S62
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Summary of Contents for Seifert 862504S62

  • Page 1: Table Of Contents

    Table of Content 862504S62 1. User manual ..........................2. Legal Regulations ........................3. Safety Instructions ........................4. Functional Principle ........................5. Technical Data ..........................6. Mounting Principle ........................7. Electrical Connection ......................... 8. Controller ............................ 9. Wiring Diagram .......................... 10. Taking into Operation ......................

  • Page 2: User Manual

    1. User manual This instruction manual contains information and instructions to enable the user to work safely, correctly and economically on the unit. Understanding and adhering to the manual can help one: Avoid any dangers. Reduce repair costs and stoppages. Extend and improve the reliability and working life of the unit.

  • Page 3: Safety Instructions

    Disregarding the instruction manual Operating error Inappropriate work on or with the unit The use of non-specified spare parts and accessories Unauthorised modifications or changes to the unit by the user or his personnel The supplier is only liable for errors and omissions as outlined in the guarantee conditions contained in the main contractual agreement.

  • Page 4: Functional Principle

    4. Functional Principle The cooling unit for enclosures works on the basis of a refrigeration circuit consisting of four main components: compressor, evaporator, condenser and expansion device. The circuit is hermetically sealed and R134a refrigerant circulates inside it (R134a is chlorine free and has an Ozone Destruction Potential [ODP] of 0 and a Global Warming Potential [GWP] of 1430).

  • Page 5: Technical Data

    5. Technical Data Order Number 862504S62 Cooling Capacity L35L35 2.55 kW Cooling Capacity L35L50 2.16 kW Compressor BLDC Rotary Piston Refrigerant / GWP R134a / 1430 Refrigerant Charge 368 g / 13 oz. 32 / 6 bar High / Low Pressure...

  • Page 6: Mounting Principle

    6. Mounting Principle NOTES: • Do not use within the first 15 minutes after installation! • Use only the supplied mounting hardware. • Tighten Screws to 4.5 Nm. • Ensure the mounting surface does not warp after assembly and reinforce it if necessary. M6 screws M6 toothed washers M6 flat washers...
  • Page 7 Mounting: The power supply rating on unit rating plate must comply with mains rating. Always disconnect the power supply before opening the unit. The heat load to be dissipated from enclosure should not exceed specific cooling output of the unit at any condition.
  • Page 8 Cold air outlet duct: When using an coöd air outlet duct please follow the steps below. Filter installation: If you install / replace a filter please follow the steps below. Version No. 1-6 - 13.08.2021 Doc. No. 99862504S62 8 / 21...
  • Page 9 Condensate management: High humidity and low temperatures inside the enclosure can lead to condensation on the evaporator. Condensate that flows back into the enclosure can damage sensitive control electronics. The integrated condensate evaporation of the cooling unit releases the condensate to the environment. If condensate formation is too great, additional condensate can drip into an overflow trough, which then drains off...

  • Page 10: Electrical Connection

    Fluorescent lamps with electronic controllers or without phase shifting capacitors can be used, depending on the operating limits specified for each type of relay. SCCR Refer to UL508A Supplement SB and Seifert Systems’ document Short Circuit Current Rating (SCCR) on methods how to modify the available short circuit current within a circuit in the panel.
  • Page 11 Version No. 1-6 - 13.08.2021 Doc. No. 99862504S62 11 / 21...

  • Page 12: Controller

    8. Controller The display is used to Control / Alarm Set Point Settings Temperature Readings Alarm Readings The main menu will display the following by default TEMP READINGS: temperature readings and alarm display TEMP SETPOINTS: to change set points by pressing UP or DOWN button and SET to choose an option TEMP READINGS showing the temperature readings and any alarms.
  • Page 13 In case the inverter issues an alarm on any of the motors, the system switches off the respective motor and tries to restart it after 2 minutes. At this stage, the display shows only a Warning. If after 3 consecutive restarts, the motors still do not start, then the display shows an Alarm.
  • Page 14 SETPOINT ALARM L: showing low alarm set point. Temperature can be modified using the UP or DOWN buttons. To save the new temperature, press the SET button, and an S will be shown in the display. Press MENU to return to the TEMP SETPOINTS screen. SETPOINT HEATER: showing low alarm set point.
  • Page 15 To activate Test Mode, press the UP and DOWN buttons for 3 seconds while in the Main Menu. A notification will be shown that the unit has gone into Test Mode. This notification is only displayed for a few seconds. The set point / settings modification feature can be Locked / Unlocked from Modbus or from the Display itself.

  • Page 16: Wiring Diagram

    9. Wiring Diagram Power connector Signal connector Alarm (NC) Alarm (COM) Alarm (NO) Door contact Door contact Version No. 1-6 - 13.08.2021 Doc. No. 99862504S62 16 / 21...

  • Page 17: Taking Into Operation

    10. Taking into Operation Attention! The unit can be damaged by lack of lubricant. To ensure that the compressor is adequately lubricated the oil, which has been displaced during transport, must be allowed to flow back into it. The unit must therefore be allowed to stand for at least 30 min.

  • Page 18: Trouble Shooting

    11. Trouble Shooting Failure Reason Troubleshooting No power supply Check the electrical connection Unit Wait until the set point is reached. The unit will then Cabinet temperature is lower doesn't start automatically. If the set point of the cabinet than set point start temperature is too high, reduce it accordingly.

  • Page 19: Maintenance & Cleaning

    12. Maintenance & Cleaning Always switch power supply off before starting any maintenance on the unit. Wait for 5 minutes for electrical components to discharge. The cooling unit is generally maintenance free and can be operated without filters in most environments. If the ambient air is extremely dusty, we recommend installing filter mats (see accessories).

  • Page 20: Transport & Storage

    13. Transport & Storage Malfunction due to transport damage On delivery the carton box containing the unit must be examined for signs of transport damage. Any transport damage to the carton box could indicate that the unit itself has been damaged in transit which in the worst case could mean that the unit will not function.

  • Page 21: Parts Supplied / Spare Parts / Accessories

    14. Parts supplied / Spare parts / Accessories Seifert Systems GmbH Seifert Systems Ltd. Seifert Systems AG Seifert Systems GmbH Seifert Systems Ltd. Seifert Systems Inc. Seifert Systems Pty Ltd. Albert-Einstein-Str. 3 HF09/10 Wilerstrasse 16 Bärnthal 1 Rep. Office 75 Circuit Drive...

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