DORCHESTER DR-RS Series Manuals

Manuals and User Guides for DORCHESTER DR-RS Series. We have 1 DORCHESTER DR-RS Series manual available for free PDF download: Installation, Commissioning And Servicing Instructions

DORCHESTER DR-RS Series Installation, Commissioning And Servicing Instructions

DORCHESTER DR-RS Series Installation, Commissioning And Servicing Instructions (64 pages)

Hot Water Storage Heaters

Brand: DORCHESTER | Category: Water Heater | Size: 2 MB

Table of Contents

Table of Contents
3
1 Introduction

7
- About the Water Heater
  7
- What to Do if You Smell Gas
  7
- Regulations and Documents
  7
- Target Groups
  8
- Maintenance
  9
- Forms of Notation
  9
- Overview of this Document
  10
2 Functioning of the Water Heater

11
- Introduction
  11
- Functional Description of the Water Heater
  12
- The Water Heater's Heating Cycle
  13
- Protection for the Water Heater
  13
  - Water Temperature Protection
    14
  - Flame Probe
    14
  - Pressure Switch
    14
- Safety of the Installation
  15
- Indicators and Alarms
  15
  - Volt Free Contacts
    15
- Options
  15
  - Lpg
    15
  - Unvented Supply
    15
  - Top to Bottom Circulation
    16
3 Installation

17
- Introduction
  17
- Packaging
  17
- Environmental Conditions
  17
  - Humidity and Ambient Temperature
    18
  - Maximum Floor Loading
    18
  - Working Clearances
    18
- Technical Specifications
  20
- Installation Diagram
  23
- Water Connections, Unvented
  25
  - Cold Water Side
    25
  - Top to Bottom Recirculating Pump
    25
  - Hot Water Side
    25
  - Drain Valve
    25
  - Circulation Pipe
    25
  - Condensation Drainage
    26
- Water Connections, Vented
  26
- Electrical Connections
  33
  - Introduction
    33
  - Preparation
    33
  - Mains
    34
- Checking the Supply Pressure and Burner Pressure
  35
- Conversion to a Different Gas Category
  39
4 Filling and Draining

43
- Introduction
  43
- Filling the Water Heater
  44
5 Controls

47
- Introduction
  47
- Control Panel
  47
- Explanation of the Symbols
  48
- ON/OFF Switch
  48
- Control Thermostat
  48
- Burner Control Reset Button
  48
6 Status of the Water Heater

49
- Introduction
  49
- Operating Modes
  49
- Error Conditions
  49
7 Starting up and Shutting down

51
8 Troubleshooting

53
9 Maintenance

59
- Introduction
  59
- Preparing for Maintenance
  59
- Water-Side Maintenance
  60
  - Introduction
    60
  - Checking the Anodes
    60
  - Descaling and Cleaning the Heater
    60
- Gas-Side Maintenance
  61
  - Introduction
    61
  - Cleaning the Burners
    61
  - Cleaning the Orifices
    62
  - Checking the Flue Baffles
    62
- Finalising Maintenance
  62
A Electrical Diagram DR-RS

63

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