Seifert 87150582USL User Manual
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Seifert 87150582USL User Manual

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Table of Content 87150582USL
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Summary of Contents for Seifert 87150582USL

  • Page 1: Table Of Contents

    Table of Content 87150582USL 1. User manual ..........................2. Legal regulations ......................... 3. Safety instructions ........................4. Application ............................ 5. Functional principle ........................6. Technical data ..........................7. Performance graph ........................8. Mounting ............................9. Condensate management ......................10. Mounting Principle ........................

  • 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: Application

    4. Application 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 87150582USL Cooling capacity 95F/95F 5120 BTU 3650 BTU @ 50 Hz Cooling capacity 95F/122F 3820 BTU @ 60 Hz EER 95F95F 6.7 / 6.1 Enclosure heater 1.0 kW Compressor type Reciprocating compressor Refrigerant / GWP...

  • Page 7: Performance Graph

    7. Performance graph Version Nr. 1-10 - 24.04.2024 Doc. No. 9987150582USL 7 / 26...

  • Page 8: Mounting

    8. Mounting Unpacking unit: Please follow the below steps to unpack the unit. STEP 1: Stand the air conditioner upright with the pre-cut packaging opening facing up. STEP 2: Pull off the packaging opening. STEP 3: Hang the transport loop of the unit in the transport hook and lift it slightly. STEP 4: Pull off...

  • Page 9: Condensate Management

    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 10: Mounting Principle

    10. 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 11: Cut Out Dimensions

    11. Cut out dimensions Version Nr. 1-10 - 24.04.2024 Doc. No. 9987150582USL 11 / 26...

  • Page 12: Dimensions (H X W X D)

    12. Dimensions (H x W x D) Version Nr. 1-10 - 24.04.2024 Doc. No. 9987150582USL 12 / 26...

  • Page 13: Electrical Connection

    The illustration below is a generic representation and actual design might be different. ​ ​ ​ ​ ​ ​ ​ 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 14: Controller

    14. Controller When started, the display shows the internal temperature of the cooling unit and serves as the home menu for control. Buttons LED Functions ◻ Menu Blue LED: Steady On - Cooling mode ◯ Set Blue LED: Blinking - min. compressor off time not elapsed Red LED: Steady On - Heating mode (opt.) △...
  • Page 15 All parameters are sorted in 3 separate menus. Menu 1 Parameter Description Range Sbrd Onboard sensor Reading S1 Sensor Reading S2 Sensor Reading 0: Open Digital Input 1 reading 1: Closed 0: Open Digital Input 2 reading 1: Closed AL1 - AL10 Alarms Counters for Alarm 1 to Alarm 10, (alarm description Alarm counts up to is described in table Alarm Codes below) 250 per alarm...
  • Page 16 Menu 3 Parameter Description Input Setting range Any number between Modbus Address △ or ▽ to increase or decrease Modbus address 1 and 254 0: Unlocked SLoc Setpoints Lock △ or ▽ to change between Locked/Unlocked 1: Locked Any number between CPSS Change Password △...
  • Page 17 Gateway operation only rather than for Client use and a Modbus Controller will not be able to communicate with the units anymore. The Seifert Gateway acts as a Slave in the Master/Slave network and will still be able to communicate with the Master.
  • Page 18 Master settings Display Description Master On/Off Master Modes: None, Identical, Power Power Mode Delta Temperature MS2: Master Modes None: All units are Independent of each other. Each unit operates using its own setpoint and its own Internal Temperature. The Master still communicates with the Slave units to gather information in case information needs to be communicated to the Gateway.
  • Page 19 ii) Redundancy Mode Redundancy settings Display Description Redundancy Modes: None, Mode A, Mode B Start-up Mode Changeover Timeout in Minutes RS1: Redundancy Modes: None: No redundancy, all units operate normally Mode A: In this mode, there will be 2 sets of units, and they will toggle between each other after a pre-defined time. The start-up units are settable.
  • Page 20 Setting rS3, Changeover Timeout, indicates the duration of each cycle. This can be a value from 1 to 9999 minutes. If a Slave needs to execute heating mode, Redundancy operation is ignored. If the Master needs to execute heating mode, the Slaves will keep operating based on the Redundancy Algorithm.

  • Page 21: Wiring Diagram

    15. Wiring diagram Power connector Signal connector Alarm (NC) Alarm (COM) Alarm (NO) Door contact Door contact RS485 connector For MODBUS description click HERE Version Nr. 1-10 - 24.04.2024 Doc. No. 9987150582USL 21 / 26...
  • Page 22 Version Nr. 1-10 - 24.04.2024 Doc. No. 9987150582USL 22 / 26...

  • Page 23: Taking Into Operation

    16. 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 24: Maintenance & Cleaning

    18. 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 25: Transport & Storage

    19. 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 26: 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 Supply plate Seifert Systems Inc. 75 Circuit Drive, North Kingstown RI 02852, United States Tel. 401-294-6960 Version Nr. 1-10 - 24.04.2024 Doc.

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