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KKT KSC 215-L-U/S - User Manual

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Operating Instruction
Healthcare chiller of the KSC Series
Version „Revision 09“
Type KSC 215-L-U/S
page 1von138
\\FILER02\Allgemein\02 - Technische Unterlagen KKT\Originale\830xxx Bedienungsanleitungen\KSC\83002302.Ka KKT chillers_KSC215-US.doc
Manufacturer
ait-deutschland GmbH T +49 9228 9977 0
Industriestraße 3 F +49 9228 9977 149
95359 Kasendorf E info@kkt-chillers.com
Germany W www.kkt-chillers.com
Representative in the US and Service Center
KKT chillers, Inc. T 847 734 1600
1280 Landmeier Road F 847 734 1601
Elk Grove Village, IL 60007 TF 866 517 6867
USA E support@kkt-chillersusa.com
YOUR LOCAL SERVICE CONTRACTOR IS:
COMPANY NAME:
PHONE NUMBER: FAX NUMBER:

Table of Contents

Other manuals for KKT KSC 215-L-U/S

Preview: Installing Instruction
Installing Instruction39 pages

Questions and Answers

  • L
    Lisa MeyerAug 13, 2025
    Why KKT KSC 215-L-U/S doesn't have enough refrigeration power?
    • L
      lorozcoAug 13, 2025
      Insufficient refrigeration power in your KKT Chiller can stem from several causes: air in the water circuit, a water agitation quantity that has fallen below the minimum, inadequate fresh air supply to the condenser, or insufficient refrigerant in the circuit. To resolve this, vent the system, ensure the water pipe cross-section is correctly designed (potentially opening the check valve fully or increasing the pipe cross-section), ensure sufficient fresh air supply and removal (eliminating any short-circuit between fresh and exhaust air), and locate and seal any leaks before refilling the refrigerant circuit.
  • M
    Mrs. Kimberly WilliamsAug 16, 2025
    What to do if KKT Chiller refrigerating machine starts and stops short-termed?
    • J
      jonesmariaAug 16, 2025
      If your KKT Chiller's refrigerating machine starts and stops frequently, it may be due to insufficient fresh air supply for the condenser, causing the high-pressure pressostat to protect against overload. Another cause could be low pressure in the refrigerant circuit due to refrigerant leaks, which causes the pressure switch to shut down the compressor. Ensure adequate fresh air supply and eliminate any short-circuits between fresh air and exhaust air. Also, find and seal any refrigerant leaks before refilling the circuit.
  • T
    Todd KochAug 20, 2025
    What causes still malfunction of refrigerating machine KKT?
    • J
      Jennifer SmithAug 20, 2025
      A persistent malfunction in your KKT refrigerating machine could be due to low pressure in the refrigerant circuit, possibly from a refrigerant leak, a dirty dryer in the liquid pipe, a defective pressure relief valve, or issues with the expansion valve. High pressure in the refrigerant circuit, caused by a dirty condenser, a defective fan, high outside temperature, a faulty pressure sensor for condenser control, or a defective frequency inverter, can also be the reason. Locate and seal any leaks, then refill the circuit. Replace the dryer, pressure relief valve, or expansion valve as needed. Clean the condenser, correct any electrical issues, check the fuses, spray the condenser with water, and replace the pressostat or frequency inverter if necessary.
  • D
    Deborah MendezAug 25, 2025
    What to do if there is a malfunction of plant/system KKT Chiller?
    • N
      nicholas24Aug 25, 2025
      A malfunction in the KKT Chiller plant/system could stem from several causes: power failure asymmetry, over or low voltage, a defective temperature sensor, malfunctions in the Simatic modules, or the chiller simply indicating a 'not ok' status. Check the mains connection and asymmetry relay, inspect the sensor clamp and measure resistance, check the MMC-Card, the 24VDC power supply and fuses, check the fuse, data transfer cable, and overvoltage protection.
  • A
    arnoldrodneyAug 28, 2025
    Why do compressors 18M1 and 21M1 stop in KKT KSC 215-L-U/S Chiller?
    • J
      Jill OnealAug 28, 2025
      The compressors 18M1 and 21M1 in your KKT Chiller might stop because the Klixon/INT69 has tripped or is defective. Check the fuses. Allow the compressor to cool down, and consider cleaning the condenser or improving fresh air supply. If necessary, replace the Klixon/INT69.
  • S
    Sean EvansAug 31, 2025
    What causes malfunction of pump 17M1 in KKT KSC 215-L-U/S Chiller?
    • Y
      yfryeAug 31, 2025
      A malfunction of pump 17M1 in your KKT Chiller may occur due to several reasons: the main switch not being switched on, a defective motor protector, a blown fuse for the control current, a defective pump motor, the flow switch responding, or a shortage of water. Switch on the main switch. Replace the motor protector. Replace the fuse. Replace the complete pump. Check the water flow and system pressure, and clean the strainer.
  • G
    Gregory ClaySep 4, 2025
    Why KKT KSC 215-L-U/S pump makes gurgling noise?
    • B
      Brent CoffeySep 4, 2025
      If the KKT Chiller pump is making a gurgling noise, it is likely that the circuit is not completely vented. Vent the system and fill it up with water/Ethylene glycol.
  • M
    Mark GarciaSep 7, 2025
    What to do if KKT KSC 215-L-U/S has leaking slide seal?
    • A
      Angie GreenSep 8, 2025
      If there is a puddle at the bottom of the KKT Chiller pump due to a leaking slide seal, it could be caused by air on top of the pump or dirt in the water circuit. Check the air vent on top of the pump and change the pump if necessary. Flush and clean the water circuit, then refill it with a new 35-38vol% water ethylene glycol mixture.

Summary

General Remarks and Safety Warnings

Maintenance

Information on servicing the cooling block.

Warranty

Safety Warnings

Crucial safety precautions for operating the chiller.

General Description of the Chiller

Functional Description

Explains the operational aspects and components of the chiller.

Brief Operating Instructions

Installing, Maintenance, and Repair

Guidance on installation, maintenance, and repair procedures.

Linking to Power Supply

Technical Specifications

Data Sheet

Comprehensive technical data and specifications for the chiller.

Water Chiller Control Scheme

Installing the Chiller

Power Supply

Troubleshooting

Typical Failures

Lists common problems, causes, and solutions for troubleshooting.

Automatic Restart Explanations

Preventive Maintenance

Description of Individual Parts

Evaporator

Compressor

Information about the compressor, including safety instructions.

Condenser

Frequency Inverter

High-Pressure Limiter

Details on the high-pressure switch function and operation.

Primary Water Pump

Details on the Grundfos CR10-5 primary water pump.

Flow Switch

Flow Control Valve

Safety Notes

Notes for Refrigerant

Safety information regarding refrigerants, dangers, and first aid.

Instructions Regarding Machine Oil

Safety precautions and first aid measures for machine oil.

KKT KSC 215-L-U/S Specifications

General IconGeneral
Cooling Capacity215 kW
RefrigerantR134a
Sound Pressure Level75 dB(A)
Power Supply400V, 3-phase, 50Hz
Compressor TypeScrew

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