User Manuals: wessex 220 M660 Commercial Boiler

Manuals and User Guides for wessex 220 M660 Commercial Boiler. We have 1 wessex 220 M660 Commercial Boiler manual available for free PDF download: Installation, Comissioning And Servicing Instructions

wessex 220 M660 Installation, Comissioning And Servicing Instructions

wessex 220 M660 Installation, Comissioning And Servicing Instructions (40 pages)

High-Efficency, Fully Modulating, Pre-Mix Gas Fired Boilers

Brand: wessex | Category: Boiler | Size: 1 MB

Table of Contents

Table of Contents
4
Introduction

7
Technical Data

10
- Feed Water Quality
  11
  - Adequate Water Flow
    11
General Requirements

11
- Related Documents
  11
- Boiler Gas System Leak Check
  12
Location

12
Gas Supply

12
- Meters
  12
- Service Pipes
  12
- Time Clock Control
  12
- Design Waste Gas Volume and Temperature
  13
  - Materials
    13
  - Suction
    14
  - Disconnection
    14
  - Flue Discharge
    14
  - Surface Temperatures
    14
  - Flue System Location
    14
  - Condensate Discharge
    14
Flue System

13
- Boiler House Control Valve
  12
- Gas Supply Pipes
  12
  - Boosted Supplies
    12
- Minimum System Water Pressure
  12
Air Supply

14
Water Circulation System

15
- General
  15
- Minimum Water Flow Rates
  16
- Waterside Pressure Drop
  16
  - Control Schemes
    16
  - Unvented Systems
    16
Electrical Supply

17
Boiler Assembly and Installation

22
Commissioning and Testing

22
- Connection of Boilers to the Flue System
  22
- Electrical Installation
  22
- Gas Installation
  22
- General
  22
- Water Connections
  22
- Commissioning the Boiler
  23
- Water Circulation System
  23
Fault Finding

26
Servicing

30
Replacement of Failed Components

32
Recommended Spares

35
Appendix 'A' - Information Relating to Propane Firing

36

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