Hamworthy Wessex ModuMax mk3 WM97/97H, Installation, Commissioning And Servicing Instructions

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HAMWORTHY HEATING LTD Wessex ModuMax mk3 Boilers 500001308/C
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CONTENTS Page
1.0 INTRODUCTION ................................................................................................................................ 1
2.0
SUPPLY AND DELIVERY ................................................................................................................. 3
3.0
SIZE AND SPACE REQUIREMENTS ............................................................................................... 6
4.0 SITE LOCATION AND PREPARATION .......................................................................................... 10
4.1 Site Location
4.2 Gas Supply
4.3 Flueing
4.4 Water
Supply
4.5 Condensate Connections
4.6 Electrical Supply
5.0 BOILER
ASSEMBLY ....................................................................................................................... 15
5.1 Site dis-assembly
5.2 Boiler Assembly
5.3 Water Connections
5.4 Electrical Connections
6.0 PRE-COMMISSIONING ................................................................................................................... 17
6.1 Gas Supply
6.2 Ventilation
6.3
Pipework, Valves and Pump
6.4 Flue
6.5 Electrical
7.0 CHECKS PRIOR TO LIGHTING ...................................................................................................... 18
8.0 INITIAL LIGHTING ........................................................................................................................... 21
8.1 Pre-Lighting-up Checks
8.2 Controls Operation
8.3 Operating Phases
8.4 Ignition Controller Check
8.5 Gas Supply Pressure Check
8.6 Combustion Checks
8.7 User Instructions
9.0 FAULT FINDING .............................................................................................................................. 27
9.1 Temperature Limit Thermostat
9.2 Ignition Controller
9.3 Wiring Diagram
10.0 SERVICING ...................................................................................................................................... 29
10.1 Regular Servicing
10.2 Annual Service
10.3 Four Year Service
11.0 REPLACEMENT
OF FAILED COMPONENTS ............................................................................... 31
11.1 Hot Surface Ignitor and Flame Probe Assembly
11.2 Flow/Return Sensor
11.3 Temperature Limiter
11.4 Gas Valve
11.5 Combustion Fan
11.6 Venturi
11.7 Burner
11.8 Ignition
Transformer
11.9 Ignition Controller - LMS
11.10 Clip in Modules
11.11 Screen Display
11.12 Low Gas Pressure Switch
11.13 Air Pressure Switch
11.14 Ignition Transformer In-line Fuse