Lydall AFFINITY P Series User Manual

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Questions and Answers:

M
Mark CruzAug 10, 2025
Why Lydall Chiller does not cool?
- M
  Michelle RussellAug 10, 2025
  If your Lydall Chiller isn't cooling, consider these possibilities: * The cooling load might exceed the chiller's capacity. Try reducing the cooling load. * The microprocessor could be programmed incorrectly. Reprogram it. * There might be a loss of refrigerant. In that case, repair the leak and recharge the system with the type and amount of refrigerant specified on the serial tag. * A relay or coil failure could be the culprit. Replace the faulty relay or coil. * The thermal expansion valve might be open too much or malfunctioning. Replace or adjust it.
G
Gabriela CoxAug 16, 2025
What to do if my Lydall Chiller pump flashes?
- A
  Angela HaynesAug 16, 2025
  The Lydall Chiller pump flashes in response to a signal from the flow switch in the pump discharge line, indicating low (less than ½ gallon per minute) or no flow. You should: * Check if the pump is running or stopped. * Check if the pump is mechanically operable. * Check if the overload is open or closed. * Ensure that sufficient liquid is available. Note that the “Start” on overload must be depressed for the pump to start after a fault.

Lydall AFFINITY P Series Specifications

General

Brand	Lydall
Model	AFFINITY P Series
Category	Chiller
Language	English

Summary

Introduction

CE Declaration of Conformity

European Directive 97/23/EC

Equipment Precautions

Safety Precautions

Installation

Transporting

Proper procedures for moving the chiller to prevent damage during transport.

Placement

Selecting an appropriate location for the chiller, considering ventilation and moisture.

Electrical Requirements

Guidelines for connecting the chiller to a power source, including voltage and phase.

Priming the Pump and Connecting the Coolant Loop

Steps to fill the coolant loop, prime the pump, and connect lines to the application.

Control/Monitoring

Control Panel

Overview of the various elements and functions available on the control panel.

PYX4 Microprocessor

Details on the microprocessor, its function, and how it receives temperature signals.

Fault Display

Explains error codes (UUUU, LLLL) and their corresponding fault conditions.

PYX Parameter Values

Lists and describes key parameters for the PYX controller, including LoCt, OUT1, and Mod.

WinChill Communications

Information on RS232 and RS485 communication requirements for WinChill software.

PXZ Controller

Information about the secondary controller used for heater safety functions.

Status Lights

Explains the meaning of various status lights and their color/flash patterns.

Emergency Stop

Details on the emergency stop functionality and its connection for unit operation.

Operation

Operating Range

Defines the specified temperature range for unit operation and required process fluid.

Start-Up

Step-by-step guide for powering up the unit after installation and connections.

Shutdown

Procedures for safely shutting down the unit for short or long periods.

Preventive Maintenance

Recommended maintenance tasks, frequency, and essential checks for the unit.

Decommissioning

Guidelines for safely removing fluids and recycling unit materials.

Trouble Shooting Guide

Warranty

The Lydall Limited Warranty

General overview of the warranty terms and conditions provided by Lydall.

Twelve-Month Warranty

Specifics on the parts and labor coverage for a period of twelve months.