Install Instructions

NEOTHERM Residential Boilers
HIGH EFFICIENCY RESIDENTIAL BOILERS
®
SECTION 9
FIRST START-UP AND
ADJUSTMENT INSTRUCTIONS
9.A Filling the Boiler System ................................. 48
9.B First Operation ................................................ 49
9.C Restarting the Unit .......................................... 49
9.D Shutting Down the Unit ................................... 49
SECTION 10
MAINTENANCE
10.A System Maintenance ...................................... 50
10.B Maintenance and Component
Description ...................................................... 50
10.C Gas Conversion .............................................. 52
SECTION 11
OPERATING DETAILS AND
TROUBLESHOOTING
11.A Normal Startup and Initialization ..................... 54
11.B Sequence of Operation .................................. 54
11.C Modulation Control ......................................... 54
11.D Pump Control .................................................. 54
11.E Anti-Short-Cycle ............................................. 54
11.F Temperature Sensors ..................................... 55
11.G Diagnostics ..................................................... 55
11.H Error Codes .................................................... 55
SECTION 12
REPLACEMENT PARTS
12.A General Information ........................................ 56
12.B Parts List ..................................................56 - 62
APPENDICES
Appendix A - Software Control Functions .................... 63
Appendix B - Error Messages...................................... 68
ii