User Guide

Part number 550-142-055/0411
5
GV90+ gas-fired water boiler — User’s Information Manual
Perform maintenance per schedule below
Figure 2 Service and maintenance schedules
Service technician
(see Boiler Manual for instructions)
Owner maintenance
(see following pages for instructions)
Annnual start-up
Follow the procedures listed in
the Boiler Manual.
Daily
• Checkboilerarea
• Checkairopenings
• Checkpressuregauge
Monthly
• Checkboilerinteriorpiping
• Checkventingsystem
• Checkairvents
• Checkcondensatedrainsystem
• Checkreliefvalve
Periodically
• Testlowwatercutoff(ifused)
• Cleanventtermination/airintake
screens
Every 6 months
• Oilblowermotor
• Operatereliefvalve
End of season
• Shutdownprocedure