Page ii
3.9.2.
Fitting the Fire Tray ............................................................................................ 35
3.9.3.
Commissioning the Installation .......................................................................... 36
3.9.4.
Checking for Spillage ......................................................................................... 37
3.9.5.
Fitting the Terminal Guard ................................................................................. 37
3.9.6.
Instructing the User ............................................................................................ 37
4.
Servicing Instructions ..................................................................................................... 39
4.1.
General Requirements ............................................................................................. 39
4.2.
Servicing Instructions ............................................................................................... 39
4.2.1.
Fan and Flue Servicing ...................................................................................... 39
4.2.2.
Cleaning the Fan Impeller .................................................................................. 39
4.2.3.
Servicing the Fire ............................................................................................... 39
4.3.
Replacing Parts ........................................................................................................ 40
4.3.1.
Removing the Fire Tray ..................................................................................... 40
4.3.2.
Fire Back Replacement ...................................................................................... 40
4.3.3.
Pilot Assembly Replacement ............................................................................. 41
4.3.4.
Injector Replacement ......................................................................................... 42
4.3.5.
BM Control Valve Replacement ......................................................................... 42
4.3.6.
Replacing the Solenoid Valve ............................................................................ 42
4.3.7.
Fan Replacement ............................................................................................... 42
4.4.
Installation and Operational Troubleshooting ........................................................... 43
4.4.1.
Electrical Fault Finding Chart ............................................................................. 45
4.5.
Fan Box Assembly Schematic.................................................................................. 46
4.6.
Wiring in Fan Box Schematic ................................................................................... 46
4.7.
Circuit Diagram ......................................................................................................... 47
4.8.
Wiring inside Control Box ......................................................................................... 47