IBC VFC 15-150

INSTALLATION AND OPERATION INSTRUCTIONS
VFC 15-150 - VFC 45-225 MODULATING GAS BOILERS
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 ..............................................1-19
1.7 GAS PIPING.................................................1-25
1.8 ELECTRICAL CONNECTIONS ..................................1-26
2.0 BOILER SYSTEMS AND OPERATION .................................2-1
2.1 GENERAL ...................................................2-1
2.2 CONTROL ...................................................2-1
2.3 USER INTERFACE ............................................2-1
2.4 ACCESS LEVELS .............................................2-2
2.5 SEQUENCE OF OPERATION ....................................2-4
2.6 OTHER OPERATING FEATURES .................................2-6
2.7 SET UP & LOAD DEFINITION ...................................2-10
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
4.0 MAINTENANCE ...................................................4-1
4.1 BOILER MAINTENANCE ........................................4-1
4.2 COMPONENT DESCRIPTION....................................4-4
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 45-225 PARTS DIAGRAMS ..................................6-2
6.2 VFC 15-150 PARTS DIAGRAMS ..................................6-4
6.3 ADDITIONAL PARTS DIAGRAMS .................................6-6
6.4 WIRING DIAGRAMS ...........................................6-7
6.5 SEQUENCE OF OPERATIONS ..................................6-10
CONTENTS