SILART OTM-1000-000 Manual
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SILART OTM-1000-000 Manual

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Table of Content OTM-1000-000
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Summary of Contents for SILART OTM-1000-000

  • Page 1: Table Of Contents

    Table of Content OTM-1000-000 1. User manual ..........................2. Legal regulations ......................... 3. Safety instructions ........................4. Settings ............................5. Functional principle ........................6. Technical data ..........................7. Performance graph ........................8. Mounting ............................9. Mounting Principle ........................10. Cut Out Dimension ........................

  • 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 (1), evaporator (2), condenser (3) and expansion device (4). 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 OTM-1000-000 1.00 kW @ 50 Hz Cooling capacity L35L35 1.08 kW @ 60 Hz 660 W @ 50 Hz Cooling capacity L35L50 720 W @ 60 Hz Compressor type Reciprocating compressor Refrigerant / GWP R134a / 1430 Refrigerant charge 210 g / 7.4 oz...

  • Page 8: Performance Graph

    7. Performance graph Version No. 1-8 - 30.05.2022 Doc. No. 99571000001SL 8 / 21...

  • Page 9: Mounting

    8. 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

    9. Mounting Principle 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 The bracket helps with the mounting of the cooling unit during installation Screws Toothed washers Flat washers...

  • Page 11: Cut Out Dimension

    10. Cut Out Dimension Version No. 1-8 - 30.05.2022 Doc. No. 99571000001SL 11 / 21...

  • Page 12: Dimension (H X W X D)

    11. Dimension (H x W x D) Version No. 1-8 - 30.05.2022 Doc. No. 99571000001SL 12 / 21...

  • Page 13: Electrical Connection

    12. 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 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. Under normal conditions, the NC contact is closed and the NO contact is open. When an alarm condition is present, the NC contact will open and the NO contact will close.

  • Page 17: Wiring Diagram

    14. Wiring Diagram Alarm (NO) P1 Alarm (COM) P2 Alarm (NC) P3 Door Contact T1 Door Contact T2 Version No. 1-8 - 30.05.2022 Doc. No. 99571000001SL 17 / 21...

  • Page 18: 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 19: Trouble Shooting

    16. 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 20: 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 21 SILART г.Москва, ул.Кржижановского, д.31 Россия тел. 8 800 5550966 Эл. Адрес: info@silart.com Web: www.silart.com Version No. 1-8 - 30.05.2022 Doc. No. 99571000001SL 21 / 21...

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