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Lauda ULTRACOOL UC 65 - User Manual

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ULTRACOOL
UC 8, UC 14, UC 24, UC 50, UC 65
DMI-0217-07
27/02/2020

Table of Contents

Questions and Answers

  • L
    Lori BrownAug 8, 2025
    What to do if my Lauda ULTRACOOL UC 65 Chiller shows an HP alarm due to a pressure switch?
    • Q
      qgrantAug 8, 2025
      If your Lauda Chiller displays an HP alarm related to the pressure switch, several factors could be the cause. First, ensure that the lateral panels of the housing are closed. Next, check for adequate airflow into the condenser, ensuring there is enough free space and cleaning the condenser if it's dirty. If the ambient temperature is too high, wait for it to decrease. Should the motor fan not be working (not turning when the chiller is running), or if you suspect a high-pressure switch failure, contact authorized technical service.
  • C
    Christina PerkinsAug 22, 2025
    What to do if my Lauda ULTRACOOL UC 65 displays an alarm for freezing evaporating temperature?
    • E
      ejohnsonAug 22, 2025
      If your Lauda Chiller is showing an alarm related to the freezing evaporating temperature, it could be due to a few reasons. Start by checking the water circuit for any blockages and clean it. Replace the water filter element if needed. Also, check for any closed valves in the circuit, as this could cause freezing due to low ambient temperature. If the water tank temperature sensor is faulty, contact authorized technical service.

Summary

WARNINGS

1 INTRODUCTION

1.2 SAFETY REGULATIONS

Outlines essential safety regulations for maintenance, repair, and general operation.

2 INSTALLATION

2.3 SITE

2.5 WATER CONNECTION

Instructions for connecting the water lines to the chiller.

2.6 ELECTRICAL CONNECTION

Guidance on the electrical specifications and connection procedures for the unit.

3 STARTUP

3.1 OPERATING CONDITIONS

3.2 CHILLER STARTUP

Detailed procedure for the initial startup of the chiller.

4 CHILLER CONTROLS

4.1 CONTROL AND MONITORING ELEMENTS

4.2 UC CONTROLLER

4.3 OPERATION

4.5 ETHERNET CONFIGURATION

5 MAINTENANCE

5.1 BASIC MAINTENANCE

Outlines weekly, monthly, and yearly basic maintenance tasks.

6 TROUBLESHOOTING

6.1 SAVING A LOG FILE IN CASE OF ALARM

6.2 ALARMS AND WARNINGS LIST

Table detailing common faults, causes, solutions, and restart procedures.

7 TECHNICAL FEATURES

Lauda ULTRACOOL UC 65 Specifications

General IconGeneral
Cooling Capacity at 20°C6.5 kW
Weight43 kg
ModelULTRACOOL UC 65
Temperature Range-10…40 °C
Working temperature range-10°C to 40°C

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