Grant QRTC250 Manuals

Manuals and User Guides for Grant QRTC250. We have 1 Grant QRTC250 manual available for free PDF download: Installation, Servicing And User Instructions Manual

Grant QRTC250 Installation, Servicing And User Instructions Manual

Grant QRTC250 Installation, Servicing And User Instructions Manual (40 pages)

Indirect Heat Pump Cylinder

Brand: Grant | Category: Heat Pump | Size: 1 MB

Table of Contents

Table of Contents
3
1 Introduction

4
- Installation Requirements
  4
- Water Supply Requirements
  4
- Location
  4
- Storage and Handling
  4
- About Your Cylinder
  4
- Open Vented Hot Water Systems
  4
- Primary Circuit Pipework
  4
- Secondary Circuit Pipework
  5
- Connections
  5
- Taps and Fittings
  5
- Hard Water Scaling
  5
- Insulation
  5
- Health and Safety
  5
2 Technical Data

6
- Cylinder Technical Data
  6
- Product Contents
  8
- Dimensions
  9
- Connections and Controls
  12
- Optional Plinth Dimensions
  13
3 Primary Circuit Installation

14
- Grant QR Indirect Heat Pump
  14
- Primary Connections
  14
- The 2-Port Valve
  14
- Hard Water Areas
  14
- Solar Thermal System Schematics
  15
4 Secondary Circuit Installation

16
- General
  16
- Cold Water Inlet Manifold
  16
- Installation
  16
- Expansion Vessel
  17
- Temperature and Pressure Relief
  17
- Hot Water Supply
  17
- Prevention of Scalding
  17
- Secondary Return
  17
- Tundish
  18
- Discharge Pipe
  18
- Discharge Pipe Sizing
  18
- Worked Example
  18
- Discharge Pipe Arrangement
  19
5 Electrical

20
- Immersion Heater
  20
- Immersion Heater Wiring Instructions
  20
- Immersion Heater Safety Cut-Out
  21
- Dual Thermostat
  21
- 2-Port Valves
  21
- Heat Pump Interface Box
  21
- Wiring Diagrams
  22
6 Commissioning, Draining down and Safety

25
- Filling the Cylinder
  25
- Draining down
  25
- Immersion Heater Safety Cut-Out
  25
- Cold Water Discharge from Tundish
  26
- Hot Water Discharge from Tundish
  26
- Expansion Vessel
  26
- Customer Handover
  26
7 Maintenance

27
- Servicing and Maintenance
  27
- Inlet Manifold Assembly
  27
- Expansion Relief Valve Cartridge
  27
- Expansion Vessel
  27
8 Fault Finding

28
9 Spare Parts

31
10 Product Fiche

32
11 End of Life Information

32
12 User Instructions

33
13 Guarantee

34
Installation, Commissioning and

36
Service Record Log Book

36

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