Seifert 871200201USL Manual
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Seifert 871200201USL Manual

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Table of Content 871200201USL
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  • Page 1: Table Of Contents

    Table of Content 871200201USL 1. User manual ..........................2. Legal regulations ......................... 3. Safety instructions ........................4. Settings ............................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: Legal Regulations

    2. Legal regulations Liability The information, data and instructions contained in this instruction manual are current at the time of going to press. We reserve the right to make technical changes to the unit in the course of its development. Therefore, no claims can be accepted for previously delivered units based on the information, diagrams or descriptions contained in this manual.

  • Page 4: Safety Instructions

    3. Safety instructions Upon delivery the unit is already meeting current technical standards and can therefore be safely taken into operation. Only authorised personnel is allowed to work on the unit. Unauthorised personnel must be prohibited from working on the unit. Operating personnel must inform their superiors immediately of any malfunction of the unit.

  • Page 5: 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 6: 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 7: Technical Data

    6. Technical data Order Number 871200201USL 1.12 kW @ 50 Hz Cooling capacity L35L35 1.20 kW @ 60 Hz 980 W @ 50 Hz Cooling capacity L35L50 1.1 kW @ 60 Hz EER L35L35 1.64 / 1.5 Compressor type Reciprocating compressor...

  • Page 8: Performance Graph

    7. Performance graph Version No. 1-15 - 28.09.2023 Doc. No. 99871200201USL 8 / 25...

  • Page 9: Mounting

    8. Mounting Unpacking unit: Please follow the below steps to unpack the unit. STEP 1: Stand the cooling unit 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 10: 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 11: 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 12: Cut Out Dimension

    11. Cut Out Dimension Version No. 1-15 - 28.09.2023 Doc. No. 99871200201USL 12 / 25...

  • Page 13: Dimension (H X W X D)

    12. Dimension (H x W x D) Version No. 1-15 - 28.09.2023 Doc. No. 99871200201USL 13 / 25...

  • Page 14: Controller

    13. Controller The display shows the temperature in the range of -30°C to 110°C. The temperature is displayed with a resolution of 0.1°C between -9.9°C and 99°C, and 1°C between -30°C and -10°C, and between 100°C and 110°C. On start-up, the screen shows the unit’s internal temperature, and this is considered the Home Menu of the controller.
  • Page 15 All parameters are sorted in 3 separate menus. Version No. 1-15 - 28.09.2023 Doc. No. 99871200201USL 15 / 25...
  • Page 16 Version No. 1-15 - 28.09.2023 Doc. No. 99871200201USL 16 / 25...
  • 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 When a network is in MSR mode, the flashing of the 4th digit dot (right most digit), indicates the status of the unit in the MSR status. Below is a table describing the flashing based on the unit status. Master settings MS2: Master Modes None: All units are Independent of each other.
  • 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 The redundancy time increases only if there is at least one active (non-redundant) unit cooling from the active units group. The changeover between units happens only if no active unit is cooling. Modbus Communication Detailed instructions on Modbus communication can be found in the link below. https://seifertsystems.com/site/assets/files/6903/rdtg2001-0_2_-_generic_modbus_table.pdf Futher notes: From Modbus side, any setting can be with 0.1°C precision.

  • Page 21: Wiring Diagram

    14. Wiring Diagram Power connector Signal connector Alarm (NC) Alarm (COM) Alarm (NO) Door contact Door contact Version No. 1-15 - 28.09.2023 Doc. No. 99871200201USL 21 / 25...

  • Page 22: 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 23: 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 24: 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 25: 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 No. 1-15 - 28.09.2023 Doc.

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