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Seifert 87150082USL - User Manual

Seifert 87150082USL
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Version Nr. 1-7 - 21.03.2022 Doc. No. 9987150082USL 1 / 23
Table of Content 87150082USL
1. User manual 2 ..................................................................................................................................
2. Legal regulations 2 .........................................................................................................................
3. Safety instructions 3 ......................................................................................................................
4. Settings 4 .........................................................................................................................................
5. Functional principle 8 .....................................................................................................................
6. Technical data 9 ..............................................................................................................................
7. Mounting 10 .....................................................................................................................................
8. Condensate management 11 .........................................................................................................
9. Mounting Principle 12 .....................................................................................................................
10. Electrical connection 13 ...............................................................................................................
11. Controller 15 ..................................................................................................................................
12. Wiring diagram 19 .........................................................................................................................
13. Taking into operation 20 ..............................................................................................................
14. Trouble shooting 20 ......................................................................................................................
15. Maintenance & Cleaning 21 .........................................................................................................
16. Transport & Storage 22 ................................................................................................................
17. Parts supplied / Spare parts / Accessories 22 ..........................................................................

Table of Contents

Questions and Answers

  • J
    Joshua DixonAug 6, 2025
    Why is my Seifert 87150082USL not cooling?
    • S
      Susan ThompsonAug 6, 2025
      If your Seifert Air Conditioner isn't cooling, several factors could be at play. First, check that the power is properly connected. Next, verify the parameter "St" values, ensuring the enclosure temperature isn't below the set temperature. Also, confirm the door switch is working correctly and not open. If the controller is faulty, it might need replacement. Finally, an incorrect phase sequence inside the power supply connector can also cause this issue; try changing the phases.
  • P
    parrishkarenAug 14, 2025
    What to do if the enclosure temperature is too hot with my Seifert 87150082USL Air Conditioner?
    • R
      Rachel TaylorAug 14, 2025
      If the enclosure temperature is too hot when using your Seifert Air Conditioner, it might be due to several reasons. The cooling unit might be undersized for the enclosure, requiring one with a higher capacity. The thermal compressor protector may have been triggered, so verify if the ambient temperature is too high and clean the condenser. Refrigerant leakage could also be the cause, in which case you should contact a dealer or service center.
  • B
    Beth CruzAug 21, 2025
    How to fix excessive condensate in my Seifert 87150082USL Air Conditioner?
    • J
      Jennifer MurphyAug 21, 2025
      Several factors can cause excessive condensate in your Seifert Air Conditioner. The most common is ambient air entering the enclosure. Ensure the door is closed properly; consider adding a door switch connected to the controller. If the enclosure's IP protection class is below IP54, seal all openings. Lastly, inspect the sealing strip for any damage or misplacement, and repair it as needed.
  • J
    Jodi SullivanAug 29, 2025
    What to do if Seifert 87150082USL doesn't cool because of component failures?
    • B
      burnsalishaAug 29, 2025
      If your Seifert Air Conditioner isn't cooling, it could be due to a few component failures. The compressor motor might have an electrical failure, requiring a qualified service technician to replace it. Alternatively, the capacitor for the compressor might have failed and needs replacement. Also, check the external fan; it may need replacing.

Summary

User Manual Overview

Intended Use

The unit is to be used exclusively for dissipating heat from control cabinets to protect temperature sensitive components.

Legal Regulations

Safety Instructions

Settings

Controller Display and Icons

Explains the controller display, icons, and basic programming functions for unit operation.

Setting Set Points and Alarms

Instructions on setting cooling/heating set points, temperature units, and alarm thresholds.

Test Function

Details on performing test functions for compressor, blower, and alarm/heater relays.

Functional Principle

Technical Data

Mounting

Unpacking Unit

Step-by-step instructions for safely unpacking the cooling unit from its packaging.

Mounting Guidelines

Crucial instructions for mounting the unit, including power supply, enclosure requirements, and sealing.

Condensate Management

Condensation Drain Pipe Connection

Details on connecting the condensation drain pipe and its importance in high humidity conditions.

Mounting Principle

Mounting Principle Diagram

Illustrates the mounting principle with a diagram and lists of hardware and components.

Electrical Connection

Door Switch and Alarm Contacts

Information on connecting the door switch for unit control and details on alarm contact ratings.

Unit Connection Procedure

Step-by-step guide with diagrams for connecting the cooling unit's power and signal cables.

Controller

Controller Interface and Icons

Overview of the controller display, its icons, and programming parameters.

Setting Cooling Set Point (St1)

Detailed steps to adjust the cooling set point (St1) via the controller's front keypad.

Setting Heating Set Point (St2)

Instructions for setting the heating set point (St2) on units equipped with an internal heater.

Setting Temperature Units and Alarms

Procedure to configure temperature units, low/high temperature alarms, and door contact logic.

Test Function

Guide to performing various test functions using key combinations on the controller.

Alarm Relay Operation

Explanation of alarm relay states (NC/NO) under different system conditions and power failures.

Wiring Diagram

Wiring Diagram and Components

Detailed wiring diagram and part list for electrical connections, including power and signal connectors.

Taking into Operation

Troubleshooting

Troubleshooting Common Failures

Guide to identifying and resolving common operational issues like cooling failures, temperature problems, and condensate.

Maintenance & Cleaning

Maintenance and Cleaning Procedures

Instructions for general maintenance, cleaning filters, and handling the unit.

Disposal of Unit Components

Guidelines for the proper disposal of refrigerant and lubricating oil according to environmental regulations.

Transport & Storage

Transport Damage and Storage Conditions

Information on checking for transport damage and recommended conditions for storing the unit.

Returning the Unit

Procedures and precautions for returning the unit, including packing and padding requirements.

Parts Supplied; Spare Parts; Accessories

Seifert 87150082USL Specifications

General IconGeneral
BrandSeifert
Model87150082USL
CategoryAir Conditioner
LanguageEnglish

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