User Manuals: Vaillant ECOmax VUW 286 EH Gas Boiler

Manuals and User Guides for Vaillant ECOmax VUW 286 EH Gas Boiler. We have 1 Vaillant ECOmax VUW 286 EH Gas Boiler manual available for free PDF download: Instructions For Installation And Servicing

Vaillant ECOmax VUW 286 EH Instructions For Installation And Servicing

Vaillant ECOmax VUW 286 EH Instructions For Installation And Servicing (72 pages)

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

Table of Contents

Table of Contents
2
1 Introduction

3
2 Boiler Specification

4
- Technical Data
  4
- Dimensions
  5
- Boiler Connections
  5
- Function Diagram
  6
3 General Requirements

7
- Related Documents
  7
- Boiler Location
  8
- Gas Supply
  9
- Flue System
  9
- Air Suply
  11
- Electricity Supply
  11
- Guide to System Requirements
  11
4 Boiler Installation Sequence

14
- General
  14
- Boiler Delivery
  14
- Preparation of Boiler Location
  15
- Pipework Connections
  17
- Installing the Flue System
  18
- Mounting the Boiler
  18
- Connecting the Flue Assembly
  20
- Electrical Installation
  22
- Controls
  23
5 Commissioning

25
- Preliminary Electrical Checks
  25
- Gas Supply
  25
- Water Supply
  25
- Filling the Heating System
  26
- Initial System Flush ('Cold')
  26
- Filling Condensate Trap
  27
- Initial Lighting
  27
- Gas Inlet Working Pressure
  28
- Adjusting Central Heating Output (Range Rating)
  28
- Main Burner Pressure
  29
- Functional Checks
  30
- Checking Flame Supervision Device
  32
- Final System Flush ('Hot')
  33
- Fitting Case
  33
- Handing over to User
  33
6 Servicing

34
- Initial Inspection
  35
- Routine Maintenance
  35
- Recommisioning the Boiler
  37
7 Parts Replacement

38
- Initial Preparation
  38
- Fan
  40
- Air Pressure Sensor
  41
- Burner
  41
- Electrodes
  42
- Condensate Sump
  43
- Condensate Trap
  44
- Temperature Sensors (Ntcs)
  44
- Gas Valve
  44
- Main Heat Exchanger
  45
- CH Expansion Vessel
  46
- Main Safety Isolating Transformer
  47
- Ignition Transformer
  48
- Pump
  48
- Automatic Air Release
  49
- Automatic Bypass
  49
- Diverter Valve
  50
- Pressure Gauge
  51
- Water Section
  51
- DHW Microswitch
  52
- DHW Heat Exchanger
  53
- Circuit Boards
  53
8 Fault Finding

57
- Introduction
  57
- Logical Fault Finding Procedure
  58
- Fault Finding Using Fault Mode
  60
- Status Mode
  62
- Fault Diagnosis Using
  63
- Hot Water Operation
  64
9 Electrical Diagrams

65
- Functional Flow Diagram
  65
- Wiring Diagram
  66
- Schematic Appliance Circuit Diagram
  67
10 Short Parts List

68
11 Supplementary Information for Ecomax

70

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