IBC VFC 15-150

INSTALLATION AND OPERATION INSTRUCTIONS
VFC 15-150, VFC 45-225 MODULATING GAS BOILERS
5
CONTENTS
1.0 INSTALLATION....................................................1-1
1.1 GENERAL ...................................................1-1
1.2 CODE REQUIREMENTS ........................................1-2
1.3 LOCATION ...................................................1-2
1.4 EXHAUST VENTING AND AIR INTAKE.............................1-3
1.5 CONDENSATE REMOVAL......................................1-14
1.6 WATER PIPING ..............................................1-20
1.7 GAS PIPING.................................................1-26
1.8 ELECTRICAL CONNECTIONS ..................................1-27
2.0 IBC BOILER CONTROL.............................................2-1
2.1 GENERAL ...................................................2-1
2.2 CONTROL ...................................................2-1
2.3 CONTROL INTERFACE.........................................2-2
3.0 STARTUP AND COMMISSIONING ....................................3-1
3.1 LIGHTING AND SHUTTING DOWN THE BOILER ....................3-1
3.2 PRIOR TO START-UP ..........................................3-2
3.3 COMMISSIONING .............................................3-2
3.4 FUEL CONVERSION ...........................................3-5
4.0 MAINTENANCE ...................................................4-1
4.1 BOILER MAINTENANCE ........................................4-1
4.2 COMPONENT DESCRIPTION....................................4-4
4.3 GAINING ACCESS TO COMBUSTION CHAMBER, BURNER REMOVAL
INSTRUCTIONS; FAN AND GAS VALVE REMOVAL INSTRUCTIONS ....4-6
5.0 TROUBLESHOOTING ..............................................5-1
5.1 PRELIMINARY CHECKS ........................................5-1
5.2 ELECTRONIC COMPONENTS ...................................5-2
5.3 TROUBLESHOOTING GUIDE....................................5-6
6.0 DIAGRAMS.......................................................6-1
6.1 VFC 15-150 PARTS DIAGRAMS ..................................6-2
6.2 VFC 45-225 PARTS DIAGRAMS ..................................6-4
6.3 ADDITIONAL PARTS DIAGRAMS .................................6-6
6.4 WIRING DIAGRAMS ...........................................6-7
6.5 SEQUENCE OF OPERATIONS ...................................6-9