Seifert 872510201USL Manual
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Seifert 872510201USL Manual

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Table of Content 872510201USL
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  • Page 1: Table Of Contents

    Table of Content 872510201USL 1. User manual ..........................2. Legal regulations ......................... 3. Safety instructions ........................4. Controller functions ........................5. Functional principle ........................6. Technical data ..........................7. Mounting ............................8. Mounting Principle ........................9. Dimensions (H x W x D) ......................

  • 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: Controller Functions

    4. Controller functions The air conditioner 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 private / 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 Setting cooling set point, St1: 1. Press “SET” and display should show St1 and then the pre-set value of St1. (default: +35°C / +95°F) 2. Reach the desired value by using ▲ or ▼. 3. Press “SET” again to save the new value of St1. Setting heating set point, St2 (only for units supplied with internal heater): 1.
  • Page 6 Set Point Parameter Default Range Cooling 35°C / 95°F 20°C - 50°C / 68 -122°F Heating (for units with heater) St2 5°C / 41°F -20°C - 20°C /-4°F - 68°F Low Temperature Alarm -10°C / 14°F -50°C - P26 / -58°F - P26 High Temperature Alarm 55°C / 131°F P25 - 150°C / P25 - 302°F Test function:...

  • Page 7: Functional Principle

    Important Notes: Whilst programming, if no button is pressed for 10 seconds, the display starts flashing, and after 1 minute returns to the main display without saving changes. To increase scrolling speed, press and hold the ▲ or ▼ button for at least 5 seconds. When pressing “PRG”...

  • Page 8: Technical Data

    6. Technical data Order Number 872510201USL Cooling capacity 95F/95F 8,500 BTU Cooling capacity 95F/122F 7,650 BTU EER L35L35 Compressor Reciprocating compressor Refrigerant / GWP R134a / 1430 Refrigerant charge 360 g / 12.5 oz High / low pressure 390 / 75 psig Temperature range -40˚F - 131˚F...

  • Page 9: Mounting

    7. Mounting 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. At cooling unit selection always cater for a safety margin of at least 15% extra cooling output in the worst conditions.

  • Page 10: Mounting Principle

    8. Mounting Principle Do not use within the first 15 minutes after installation! M6 bolts M6 toothed washers M6 Flat washers Enclosure Mounting gasket Cooling unit Version Nr. 1-4 - 05.12.2019 Doc. Nr. 99872510201USL 10 / 15...

  • Page 11: Dimensions (H X W X D)

    9. Dimensions (H x W x D) Version Nr. 1-4 - 05.12.2019 Doc. Nr. 99872510201USL 11 / 15...

  • Page 12: Electrical Connection

    10. Electrical connection Door Switch The unit can be switched on and of 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: Taking Into Operation

    12. 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 14: Trouble Shooting

    13. Trouble shooting Failure Condition Cause Solution Internal fan does not work Power not connected. Verify power supply Enclosure temperature is below Verify values of parameter setting temperature (St) "St" Internal fan works, external fan Unit and compressor don't work Door switch contact is open Verify door switch doesn't...

  • Page 15: Transport & Storage

    15. 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.

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