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UK Exchangers UKE-8-50 User Manual

UK Exchangers UKE-8-50
20 pages
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Instantaneous
Hot Water Heater
Operating & Instruction
Manual
Read these Instructions before unpacking,
installation and use of the equipment.
Important Notice:
UK Exchangers Ltd cannot accept any warranty claims if the equipment is not handled,
positioned, installed, or operated as per the general guide lines contained within this manual.
The actual running conditions should be checked against the specification sheets for the heat
exchanger.
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UK Exchangers UKE-8-50 Specifications

General IconGeneral
BrandUK Exchangers
ModelUKE-8-50
CategoryWater Heater
LanguageEnglish

Summary

How it Works

Time Clock / BMS Operation

Optional integration with time clock or BMS for pump control.

Primary Pump Energy Saving

Feature to shut down primary pump during low demand to save energy.

4 Port Valve Setup

Valve Stem Alignment

Instructions for aligning the valve stem notch and spline.

4 Port Valve Operation

Control Valve Functionality

Describes how the control valve modulates between open and closed positions.

Control Valve Testing

1. Installation

Lifting Guidelines

Safety and procedural advice for lifting the unit.

Installation and Safety Notes

Maintenance Space Requirements

Ensure adequate space around the exchanger for access and maintenance.

Critical Safety Warnings

Covers pressure, heat, and personnel protection during operation.

Water Treatment and Connections

Recommendations for water softening and connection procedures.

Pipework Recommendations

Sensor Installation and Wiring

Details on attaching and wiring temperature sensors for accurate readings.

Electrical Installation

Pipework Connection Diagram

Illustrates connection locations and functions for various ports.

Controller Setup and Startup

Automatic Operation Mode

Procedure for operating the unit in automatic mode.

Shutdown and Cleaning

Exchanger Shutdown Procedure

Steps for safely shutting down the unit for maintenance.

Plate Cleaning Process

Guidelines for safely cleaning heat exchanger plates.

Assembly and Tightening

Heat Exchanger Assembly Diagrams

Diagrams illustrating plate pack assembly and tightening sequence.

Plate Pack Tightening Procedure

Steps for correctly tightening the plate pack bolts.

Gasket and Plate Type Examples

Troubleshooting Guide

Heat Exchanger Plate Pack Issues

Troubleshooting common problems with plate pack assembly.

Pressure Drop Issues

Diagnosing and resolving excessive pressure drops in the system.

Leakage Detection and Repair

Identifying and fixing leaks in the heat exchanger.

Performance Degradation

Causes and solutions for decreased unit performance.

Troubleshooting Continued

No Secondary Flow

Identifying and resolving issues where there is no flow in the secondary circuit.

Temperature Control Issues

Addressing high/low temperatures or unit cut-outs due to overheating.

Troubleshooting Pumps and Valves

Pump Failure to Operate

Diagnosing reasons for primary or secondary pump failure.

Maintenance Schedule

Actuator Replacement

Step-by-step guide for replacing the control valve actuator.

Annual Maintenance Checks

Covers interval, performance, and component inspections.

Spare Parts Information

Details on how to obtain replacement parts.

Appendix 1: Controller Parameters

Product Information

Operator Mode Guide

Error Indications and Troubleshooting

Understanding error messages and their corresponding resolutions.