Part number 550-101-232/0703
2
GAS-FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems
Contents
Hazard definitions
.................................................................................................................................. 3
Selection data
Controls .................................................................................................................... 3
Domestic hot water ................................................................................................. 3
Venting and combustion air.................................................................................... 3
Additional considerations ....................................................................................... 3
Ratings and engineering data
.................................................................................................................................. 4
Dimensions
.................................................................................................................................. 6
Placement and mounting information
.................................................................................................................................. 7
Easy-Fit
®
Piping
Easy-Fit
®
Piping installation .................................................................................... 8
Piping schematic ...................................................................................................... 9
Easy-Fit
®
Piping 3-dimensional drawing ............................................................. 10
Easy-Fit
®
Piping, 4 boilers, 3 water heaters, 3-dimensional .............................. 11
Easy-Fit
®
Piping with isolation exchanger 3-dim. drawing ............................... 12
Combustion air and vent piping installation
Vent piping ............................................................................................................ 13
Combustion air piping .......................................................................................... 13
Combustion air manifolds .................................................................................... 13
Gas piping
Connecting gas supply piping .............................................................................. 14
Common gas piping installation.......................................................................... 15
Additional instructions
Air for boiler room ventilation ............................................................................. 16
Wiring ..................................................................................................................... 16
Water treatment ................................................................................................... 16
