Lytron LCS20 Series User Manual

Lytron LCS20 Series

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Lytron Liquid Cooling System

Manual# 820-0166, Rev. J, 03/06/19

© Lytron Inc., 2010

Model: LCS20 Series

USER MANUAL

www.Lytron.com

Telephone: +1-781-933-7300, Fax: +1-781-935-4529

55 DRAGON COURT

WOBURN, MA 01801

Table of Contents

Questions and Answers:

J
Judy HahnAug 3, 2025
What to do if Lytron LCS20 unit does not maintain temperature?
- S
  Susan BurgessAug 3, 2025
  If your Lytron Freezer unit isn't maintaining temperature or the light on the front panel is on, the facility water flow rate might be too low. Ensure the facility water flow rate is set to a minimum of 7.5 GPM. Also, verify that the facility water temperature doesn't exceed 80° F (27° C). Check the water level in the reservoir and fill it to the proper level. If the problem persists, inspect for water leaks inside the front panel. If all of that is correct, the Electronic Controller, the Mixing Valve Assembly, or the Temperature Sensor might be faulty.
D
Douglas GregoryAug 9, 2025
Why does the Lytron LCS20 Freezer pump motor overheat?
- D
  David RussoAug 9, 2025
  If the pump motor in your Lytron Freezer overheats, it might be due to improper voltage being supplied to the system. Check the rear of the unit for the nameplate information to verify the required electrical voltage for the pump.
R
rrussellAug 15, 2025
How to troubleshoot if Lytron Freezer unit does not start?
- E
  Erika JohnsonAug 15, 2025
  If your Lytron Freezer unit does not start, ensure that the power and signal cables are properly connected. Also, check if the power switch is in the “OFF” position and move it to the “ON” position to energize the pump.

Lytron LCS20 Series Specifications

General

Temperature Stability	±0.1°C
Pump Type	Centrifugal
Fluid Compatibility	Water
Communication Interface	RS-232
Voltage	115VAC, 230VAC
Refrigerant	R-134a
Material	Stainless Steel

Summary

Safety Precautions

Part Number Description

Model and Configuration Options

Details LCS model, electrical, pump, and controller configuration options.

Installation Requirements

Coolant Requirements

Specifies suitable coolants, including warnings against automotive anti-freeze.

Environmental Requirements

Details acceptable ambient temperature, humidity, and altitude ranges.

Electrical Requirements

Outlines power cord and receptacle requirements for safe operation.

Selecting LCS Location

Installation Procedure

Selecting and Locating Hoses

Guidelines for selecting tubing diameter and routing coolant lines.

Connecting Plumbing

Step-by-step guide for connecting coolant lines to the unit and equipment.

Controller

Controller Interface Elements

Controller Navigation Keys

Responding to Displayed Messages

Controller Home Page

Changing Temperature Units

Startup Procedure and System Operation

System Maintenance and Service

Weekly Inspections

Monthly Inspections

Troubleshooting Guide

Spare Parts List

Electrical Schematic

Plumbing Schematic