Raypak 902B Manuel D’Utilisation
Installations at Elevation
5
87%-Efficiency Boilers –
Special Instructions
Special Instructions
40
Water Piping
40
Wiring Diagram
45
START-UP
46
Pre Start-up
46
Start-Up
47
OPERATION
50
Lighting Instructions
50
To Turn Off Gas To Appliance
50
TROUBLESHOOTING
51
MAINTENANCE
52
Suggested Minimum
Maintenance Schedule
Maintenance Schedule
52
Preventative Maintenance Schedule
52
WARRANTIES
55
Type H and WH
55
Type P
56
Start-Up Checklist
57
Important Instructions for the
Commonwealth of
Massachusetts
58
CONTENTS
3