HAMWORTHY HEATING LTD
SHAFTESBURY HE
500001049/N
iii
PAGE
9.0 ELECTRICAL
SUPPLY
.....................................................................................................................
8
9.1 Site
Wiring
9.2
Indication Signals and Volt Free Contacts
10.0
BOILER ASSEMBLY AND INSTALLATION
..................................................................................
11
10.1 General
10.2
Connection of Boilers to the Flue System
10.3 Water
Connections
10.4
Assembly of Boiler
10.5
Assembly of Casing
10.6
Assembly of Control Panel
11.0
COMMISSIONING AND TESTING
..................................................................................................
21
11.1 Electrical
Installation
11.2 Gas
Installation
11.3 Water
Circulation
System
11.4 Commissioning
the
Boiler
12.0 FAULT
FINDING
.............................................................................................................................
24
12.1
Safety Features Summary
12.2
Fault Finding Procedures
12.3
Possible Causes of Boiler Lockout
13.0 SERVICING
.....................................................................................................................................
24
14.0
REPLACEMENT OF FAILED COMPONENTS
...............................................................................
29
15.0 RECOMMENDED
SPARES
............................................................................................................
30
16.0 TECHNICAL
DATA
.........................................................................................................................
34
APPENDIX ‘A’ – INFORMATION RELATING TO PROPANE FIRING
...............................................................
38
APPENDIX ‘B’ – INFORMATION RELATING TO OIL FIRING
..........................................................................
38
APPENDIX ‘C’ – BOILER/BURNER WIRING DIAGRAMS
................................................................................
39
FIGURES
PAGE
Figure 2.1
General Overview...................................................................................................................... 2
Figure 7.1
Mechanical Ventilation Flow Rates.......................................................................................... 6
Figure 8.3
Cold Feed and Vent Pipe Sizes.................................................................................................. 7
Figure 9.1
Boiler Control Panel Wiring Diagram – On/off and Modulating Burner Control ....................... 9
Figure 9.2
Boiler Control Panel Wiring Diagram –High/Low Burner Control........................................... 10
Figure 10.1
Composition of Sections Within Heat Exchanger....................................................................... 11
Figure 10.2
Boiler Section Identification ...................................................................................................... 12
Figure 10.3
Rear Section and Cradle.......................................................................................................... 13
Figure 10.4
Fitting Mastic Seal ................................................................................................................... 13
Figure 10.5
Fitting Guide Ring.................................................................................................................... 14
Figure 10.6
Fitting ‘O’ Ring Seal ................................................................................................................. 14
Figure 10.7
Fitting the Lacing Bolts............................................................................................................. 15
Figure 10.8
Fitting Upper Tie Rods ............................................................................................................. 15
Figure 10.9
Fitting Lower Tie Rods ............................................................................................................. 16
Figure 10.10
Flue Gas Flow Path ................................................................................................................. 16
Figure 10.11
Outflow Pipework Orientation ................................................................................................... 17
Figure 10.12
Fitting Casing Support Brackets ............................................................................................... 17