Seifert 87122584USL User Manual
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Seifert 87122584USL User Manual

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Table of Content 87122584USL
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Summary of Contents for Seifert 87122584USL

  • Page 1: Table Of Contents

    Table of Content 87122584USL 1. User manual ..........................2. Legal regulations ......................... 3. Safety instructions ........................4. Settings ............................5. Functional principle ........................6. Technical data ..........................7. Performance graph ........................8. Condensate management ......................9. Mounting Principle ........................10. Cut out dimensions ........................

  • 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: Settings

    4. Settings The cooling unit is intended to be used as a complementary accessory to larger industrial equipment. The unit is used where heat needs to be dissipated from electrical control cabinets or similar enclosures in order to protect heat sensitive components. It is not intended for household use. The unit has two completely separate air circuits which ensure that the clean cabinet air does not come into contact with the ambient air which may well be dirty or polluted.

  • Page 5: Functional Principle

    5. 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 6: Technical Data

    6. Technical data Order Number 87122584USL 1.12 kW @ 50 Hz Cooling capacity 95F/95F 1.20 kW @ 60 Hz 800 W @ 50 Hz Cooling capacity 95F/122F 840 W @ 60 Hz Enclosure heater 400 W Compressor type Reciprocating compressor...

  • Page 7: Performance Graph

    7. Performance graph Version Nr. 1-10 - 07.08.2023 Doc. No. 9987122584USL 7 / 22...

  • Page 8: Condensate Management

    8. Condensate management Durch hohe Luftfeuchtigkeit und niedrigen Temperaturen im Schaltschrank kann es zu Kondensatbildung am Verdampfer kommen. Kondensat welches in den Schaltschrank zurückfließt, kann empfindliche Steuerungselektronik beschädigen. Die integrierte Kondensatverdunstung des Kühlgerätes gibt das Kondensat an die Umgebung ab. Bei zu großer Kondensatbildung kann zusätzliches Kondensat in eine Überlaufwanne tropfen welches dann umgebungsseitig abläuft.

  • Page 9: Mounting Principle

    9. 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 bolts M6 toothed washers M6 Flat washers Enclosure...

  • Page 10: Cut Out Dimensions

    10. Cut out dimensions Version Nr. 1-10 - 07.08.2023 Doc. No. 9987122584USL 10 / 22...

  • Page 11: Dimensions (H X W X D)

    11. Dimensions (H x W x D) Version Nr. 1-10 - 07.08.2023 Doc. No. 9987122584USL 11 / 22...

  • Page 12: Electrical Connection

    12. Electrical connection Door Switch The unit can be switched ON and OFF via a door contact switch. When delivered the door contact terminals are bridged on the female connector. To connect the door contact switch remove the bridge and connect door contact switch.
  • Page 13 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. Version Nr. 1-10 - 07.08.2023 Doc. No. 9987122584USL 13 / 22...

  • Page 14: Controller

    13. Controller The display shows the temperature in the range of -50°C to +150°C (-58°F to +302°F). The temperature is displayed with resolution of tenths between -19.9°C and +99.9°C (-3.8°F to +211.8°F). During programming, it shows the codes and values of the parameters. The display also shows icons according to occurring events. Display icons Icon Function Description...
  • Page 15 Setting heating set point, St2 (only for units supplied with internal heater): 1. Press “SET” twice slowly and display should show St2 and then the pre-set value of St2. (default: +5°C / +41°F) 2. Reach the desired value by using ▲ or ▼. 3.
  • Page 16 Alarm Relay Operation Both normally closed (NC) and normally open (NO) alarm contacts are provided. These refer to the alarm state. Under normal conditions, the NC contact is closed and the NO contact is open. When an alarm condition is present or the door contact is open, the NC contact will open and the NO contact will close.

  • Page 17: Wiring Diagram

    14. Wiring diagram Anschlussstecker Signalstecker Alarm (NC) Alarm (COM) Alarm (NO) Türkontakt Türkontakt Stecker für RS485 Für MODBUS Beschreibung HIER klicken oder den nachstehenden QR code verwenden. Version Nr. 1-10 - 07.08.2023 Doc. No. 9987122584USL 17 / 22...
  • Page 18 Version Nr. 1-10 - 07.08.2023 Doc. No. 9987122584USL 18 / 22...

  • Page 19: Taking Into Operation

    15. 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 20: Maintenance & Cleaning

    17. 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 21: Transport & Storage

    18. 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 22: Parts Supplied / Spare Parts / Accessories

    Cable gland M16 * 1.5 Lock nut M16 * 1.5 Cable gland M20 * 1.5 Lock nut M20 * 1.5 Cover plate Seifert Systems Inc. 75 Circuit Drive, North Kingstown RI 02852, United States Tel. 401-294-6960 Version Nr. 1-10 - 07.08.2023 Doc.

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