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gledhill PULSACOIL III User Manual

gledhill PULSACOIL III
20 pages
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DESIGN, INSTALLATION AND
SERVICING INSTRUCTIONS
TEL: 0800 14 55 55 7
www.gledhill-pulsacoil-3.co.uk
A mains pressure hot water supply system
incorporang an o peak electric thermal store
PULSACOIL III
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gledhill PULSACOIL III Specifications

General IconGeneral
TypeThermal Store
Power Supply230V, 50Hz
Heating Element Power3 kW
Maximum Operating Pressure3 bar
Energy RatingA
ThermostatAdjustable

Summary

Introduction to the PulsaCoil III Appliance

Overview of the PulsaCoil III Appliance

Explains the PulsaCoil III appliance, its function, and how it operates using an off-peak heated thermal store.

Thermal Store Construction and Insulation

Thermal Store Details

Describes the construction and insulation of the thermal store, made of copper and insulated with Rockwool.

Domestic Hot Water System and Supply

Cold Water Supply Requirements

Details the cold water supply requirements, pressure range (1-3 bar preferred), and pipe sizing recommendations.

Description of the PulsaCoil III System

Safety Fittings and Regulations

Details necessary control and safety equipment, noting WBS listing and non-requirement of non-return valves.

Domestic Hot Water Flow Rates

Information on the hot water flow rates (up to 35 L/min) and outlet temperature regulation to 55°C.

Use in Hard Water Areas

Explains pump speed control options for hard/soft water areas to prevent scale formation.

Standard Equipment Included

Lists the standard factory-fitted components of the PulsaCoil III appliance.

Optional Equipment Available

Describes additional equipment like left-handed units and overflow connections that can be specified.

Electric Immersion Heaters

Details the specifications of the 3kW low watts density immersion heaters and thermostats used.

System Design and Installation Guidance

Hot and Cold Water Services Layout

Describes the schematic layout of hot and cold water services in typical dwellings.

Taps and Valves in Mains Systems

Recommendations for taps and valves in mains pressure systems to prevent splashing.

Pipe Sizing for Distribution

Guides on pipe sizing for effective hot and cold water distribution based on BS6700.

Shower Installation Requirements

Outlines requirements for shower mixing valves and back-syphonage protection.

Bidet Installation Guidelines

Provides guidelines for hot and cold water supply to bidets, including air gap requirements.

Plastic Pipework Recommendations

Discusses the suitability of plastic pipework and recommends barrier pipe for service cover.

System Wiring Principles

Outlines general principles for electrical installation design by a competent person according to BS 7671.

Installation Instructions

Important Installation Notes

Key considerations regarding floor support, weight, and general installation before starting.

Plumbing Connection Procedures

Instructions for making water connections, checking pressure, and ensuring correct pipework.

Overflow/Warning Pipe Fitting

Guidelines for fitting and routing overflow or warning pipes from the cistern according to standards.

Pump Settings and Replacement

Information on setting the plate heat exchanger pump to maximum speed and replacement procedures.

Domestic Hot Water Temperature Regulation

Details the automatic regulation of the domestic hot water outlet temperature to 55°C.

Cupboard Installation Details

Recommendations for cupboard size, insulation, and heat management for the appliance.

Thermal Store Feed and Expansion Cistern

Instructions for filling the feed and expansion cistern with cold water to the correct level.

Appliance Wiring Instructions

Detailed steps for connecting external wiring to the appliance's terminal blocks according to diagram.

Commissioning Procedures

Commissioning Domestic Water Systems

Procedures for filling, flushing, and sterilising domestic water systems according to BS 6700.

Commissioning the Appliance

Steps for filling the appliance with water and switching on electrical supplies to check operation.

Important Do's and Don'ts

Key recommendations and warnings for installation and commissioning, including pressure and thermostat checks.

Fault Finding and Diagnostics

Fault Diagnostics Overview

Explanation of control panel indicator lights and manual reset button functions for fault indication.

Fault Finding Guide

Lists common fault conditions and their possible causes for troubleshooting the appliance.

Pump Speed Control PCB Faults

Details fault indications from the pump speed control PCB related to temperature errors and processor issues.

Maintenance Recommendations

Information on maintenance requirements, recommending periodic checks of the top-up cistern water level.

Parts List

Appendix: Water Savings and Options

Water Savings Through Plumbing Practice

Information on how good plumbing practice can reduce water-related costs and waste.

Tap and Mixer Flow Rate Comparison

Visuals and text illustrating water flow rates for taps and mixers with and without regulators.

Shower Flow Rate Comparison

Visuals and text illustrating water flow rates for showers, comparing unregulated and regulated flows.

Shower Regulator Options

Details different regulator options for fitting to fixed shower heads or flexible hoses.

Tap/Mixer Regulator Fixing Options

Lists four distinct fixing options for regulators designed for taps and mixers.

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