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Grant QR Range - User Manual

Grant QR Range
44 pages
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UK | DOC 0181 | Rev 1.0 | November 2021
Grant QR Range
Integrated Indirect Heat Pump Cylinder
Installation, Servicing and User Instructions

Table of Contents

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Grant QR Range Specifications

General IconGeneral
BrandGrant
ModelQR Range
CategoryHeat Pump
LanguageEnglish

Summary

Introduction and General Information

Product Overview and Installation Requirements

General description of the cylinder, its design, and necessary installation prerequisites.

Water Supply, Location, and Handling

Guidelines on water requirements, suitable locations, and safe storage/handling practices.

Cylinder Components and Pipework

Listing of factory-fitted components and primary/secondary circuit pipework connections.

Health, Safety, and Insulation Details

Information on health and safety precautions and the cylinder's insulation properties.

Technical Data and Specifications

Cylinder Technical Data and Dimensions

Detailed specifications, dimensions, and diagrams of the cylinder's physical attributes.

Product Contents and Internal Components

A list of items included with the product and identification of internal cylinder components.

Installation Procedures

Primary Circuit Installation Guide

Comprehensive steps for installing the primary circuit, including connections and key components.

Secondary Circuit Installation Guide

Steps for installing the secondary circuit, focusing on water connections and safety devices.

Discharge Pipework and Tundish Requirements

Regulations and guidance on discharge pipe sizing, arrangement, and tundish installation.

Electrical Systems and Wiring

Immersion Heater and Safety Features

Details on the immersion heater, its wiring, and safety cut-out mechanisms.

Thermostats, Timers, and Wiring Centres

Information on the digital dual thermostat, Greenbrook timer, and EP001 wiring centre.

Electrical Wiring Diagrams

Schematics illustrating the complete electrical wiring of the system components.

Commissioning, Draining, and Safety

Cylinder Filling, Draining, and Safety Procedures

Step-by-step instructions for safely filling and draining the cylinder.

Tundish Discharge Causes and Expansion Vessels

Explains reasons for tundish discharge and the role/servicing of expansion vessels.

System Balancing and Customer Handover

Guidance on balancing the primary circuit and the final handover process to the user.

Maintenance and Servicing

Routine Servicing and Expansion Vessel Checks

Procedures for annual servicing, including checks on expansion vessels and valves.

Fault Finding and Troubleshooting

Water Discharge Faults

Flowcharts for diagnosing and resolving intermittent/constant water discharge issues.

Hot Water Flow and Temperature Issues

Troubleshooting guides for diagnosing lack of hot water or cold water at taps.

Excessive Hot Water and Other Faults

Guides for resolving excessive hot water and other system faults.

Product Information and Guarantee

Spare Parts and Product Fiche

List of available spare parts and product fiche data including energy efficiency.

Guarantee Terms and Conditions

Details on the warranty period, registration, and overall terms of coverage.

User Instructions and Operation

General User Guidance and Safety

Essential operating instructions and safety warnings for the end-user.

Immersion Heater and Thermostat Settings

Guidance on using the immersion heater and adjusting thermostat settings.

Hot Water Observations and System Checks

Notes on normal system behaviour and actions for safety device activation.

Appendix A: Digital Dual Thermostat

Thermostat Specifications and Safety Functions

Technical specifications, fail-safe, and overheat protection features of the thermostat.

Thermostat Installation and Operation

Step-by-step guides for installing, setting, and operating the thermostat.

Thermostat Display and Troubleshooting

Understanding the thermostat display, indicator lights, and troubleshooting common issues.

Appendix B: Greenbrook Timer

Timer Technical Info and Reset Procedure

Technical specifications of the timer and instructions for resetting the device.

Timer Programming and Operation Modes

Guides for setting programs, operating modes, boost functions, and summer mode.

Appendix C: Installation, Commissioning, and Service Log

Log Book Completion and Customer Handover

Guidance on filling the log book and the process of handing it over to the customer.

Commissioning Procedures and System Checks

Information on commissioning steps, water supply details, and system checks.

Service Interval Record Keeping

Forms and instructions for recording regular service intervals for the system.

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