Table Of Contents; Safety Symbols - UTICA BOILERS UB90-200 Installation, Operation & Maintenance Manual

Safety Symbols ........................................................................................................................... 2
Rules For Safe Installation And Operation ....................................................................................... 3
Boiler Ratings & Capacities ........................................................................................................... 4
Before Installing The Boiler ........................................................................................................... 5
Placing The Boiler ........................................................................................................................ 9
Near Boiler Piping .......................................................................................................................10
Combustion Air And Vent Pipe ......................................................................................................13
Gas Supply Piping .......................................................................................................................15
Electrical Wiring .........................................................................................................................16
Controls And Accessories .............................................................................................................20
Startup .....................................................................................................................................22
Checkout Procedure & Adjustments ...............................................................................................25
Maintenance And Cleaning ...........................................................................................................28
Detailed Sequence Of Operation ...................................................................................................30
Troubleshooting ..........................................................................................................................33
Installation And Check-Out Certifi cate ...........................................................................................43
The following defi ned symbols are used throughout this manual to notify the reader of potential hazards of varying risk
levels.
!
Indicates a hazardous situation which, if not
avoided, will result in death, serious injury.
!
Indicates a hazardous situation which, if not
avoided, may result in death, serious injury.
90 125-200 CAST ALUMINUM BOILER
KEEP THIS MANUAL NEAR BOILER AND RETAIN FOR FUTURE REFERENCE.
DANGER
WARNING

SAFETY SYMBOLS

Indicates a hazardous situation which, if not
!
avoided, could result in minor or moderate
injury.
Indicates information which should be
followed to ensure proper installation and
operation.
H
2
CAUTION
NOTICE