HAMWORTHY HEATING LTD
Wessex ModuMax
mk3
Boilers
500001308/C
iii
11.15
Air Inlet Filter
12.0 RECOMMENDED
SPARES
.............................................................................................................
35
PICTORIAL AND DIAGRAMATICAL DATA
PAGE
Figure 2.1
Reverse Header Kit as Supplied .............................................................................................. 5
Figure 2.2
Header Kit Packaged Dimensions ............................................................................................ 5
Figure 3.1.1
Dimensions & Clearances ModuMax 97/116 ........................................................................... 6
Figure 3.1.2
Dimensions & Clearances ModuMax 147/196/254 .................................................................. 7
Figure 3.2.1.1
Manifold Dimensions ModuMax 97/194, 116/232 .................................................................... 8
Figure 3.2.1.2
Manifold Dimensions ModuMax 97/291, 116/348 .................................................................... 8
Figure 3.2.2.1
Manifold Dimensions ModuMax 147/294, 196/392, 254/508 ................................................... 9
Figure 3.2.2.2
Manifold Dimensions ModuMax 147/441, 196/588, 254/762 ................................................... 9
Figure 4.2
Gas Connection Point ............................................................................................................ 10
Figure 4.4.
Water & Flue Connection Points ............................................................................................ 12
Figure 4.5.1
Condensate Piping Installation ............................................................................................... 13
Figure 4.5.2
Condensate Connections ....................................................................................................... 13
Figure 4.6
Electrical Connections ............................................................................................................ 14
Figure 5.1
Module Fixings ....................................................................................................................... 14
Figure 5.2
Flue Collector Box Pre-Assembly ........................................................................................... 15
Figure 5.2.2
Flue Header Connection ........................................................................................................ 16
Figure 5.3.1
Rear Water Connections ........................................................................................................ 16
Figure 7.1
Boiler Gas System Leak Check Diagram ............................................................................... 18
Figure 7.2.1
Gas Valve Position ................................................................................................................. 19
Figure 7.2.2
Venturi & Gas Valve -196/254 Boiler...................................................................................... 20
Figure 7.2.3
Hot Surface Igniter Resistance Check ................................................................................... 20
Figure 8.1.1
Gas Valve .............................................................................................................................. 21
Figure 8.1.2
General Overview of Low Gas Inlet Pressure Switch ............................................................ 21
Figure 8.2.1
General Overview of Panel Fascia ......................................................................................... 23
Figure 8.2.2
General Overview of Controls ................................................................................................ 23
Figure 8.3.1
Operating Phases ................................................................................................................... 24
Figure 8.6.1
Removal of Sample Point Plug ............................................................................................... 25
Figure 8.6.2
Combustion Analyser Probe Setting ...................................................................................... 25
Figure 8.6.3
Insertion of Analyser Probe .................................................................................................... 25
Figure 8.6.4
High Fire Setting ..................................................................................................................... 26
Figure 8.6.5
Low Fire Setting ...................................................................................................................... 26
Figure 9.3.2
Wiring Diagram ...................................................................................................................... 28
Figure 10.2
Hot Surface Ignitor and Flame Probe Positions ..................................................................... 30
Figure 11.4
Ignition Transformer In-line Fuse ................................................... ....................................... 34
Figure 11.4
Air Inlet Filter ................................................... ...................................................................... 34