INSTALLATION & OPERATING MANUAL
WHAT TO DO IF YOU SMELL GAS
GB300 NATURAL OR PROPANE GAS BOILER
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ
BOILER RATINGS & CAPACITIES
BOILER LOCATION
Figure
Concrete Block Base Construction
Wire Screen
All Air From Inside The Building
All Air From Outside The Building
Table 1 Make-upAir Duct Sizing
VENT CONNECTIONS
CHIMNEY & VENT PIPE CONNECTIONS
Chimney Inspection & Sizing
COMMON VENT SYSTEMS
Figure 2A
Figure 2B
Dual Flue Outlets And Inside Air GB300 Series
Figure 2C
2 FT 0.6 m 10 FT 3.4 m 3 FT 0.9 m 5 FT 4.5 m
Figure 2D
Figure 2E
Common Vents And Inside Air GB300 Series
10 FT 3.1 m 3 FT 0.9 m 3 FT 0.9 m
Figure 2G
Horizontal Venting And Inside Air GB300
10 FT 3.1 m 3 FT 0.9 m 3 FT 0.9 m
BUILDING OVERHANG
Burner Base Assembly General Instructions
Figure
Burner Base Box 63265 to
Figure
Burner Base Assembly 5 through 12 Sections
Figure
Burner Base Side Panels, 5 -
Figure 9A Burner Base Rear Panel, 5 - 12 Sect
Splice Channel Assembly 13 to 21 Sections
Splice Channel Assembly 13 to 21 Sections
Figure
X7 Box
Figure 13B
Figure 14A
Base Rear Channel Bolt Holes
Figure 14B
Burner Tube Adjustment
Figure
Manifold Attachments
front base splice channel, Figure
Figure 22B
Figure
Burner Base Splice Panel Bracket
Figure 22C
Ceramic Blanket Installation
Figure 24Ceramic Blanket Placement
Cast Iron Section Assembly
Figure
occur voiding the warranty
Figure 26B
Marking Burner Base Rear Midpoint
Figure
Figure 35 Section Placement on Burner Base
Figure
Figure
Rear View - Odd Numbered Models
Lower Port Seal Placement
Draw Rod Installation
Figure
Figure
Figure 40 Flue Collector Box 63203 to
Figure
Figure
Confirming Sections Are Plumb
“J” Bolt Installation
Flue Collector Bracket Installation
Figure
Figure
FLUE COLLECTOR INSTALLATION
Figure 47A Ceramic Blanket Placement 5-12Sect
Figure 47B Ceramic Blanket Placement 13-21Sect
Figure
Flue Collector Placement
Draft Hood Installation
Flue Collector Bracket Installation
Figure
Clean Out Covers
Clean Out Cover Bolt Location
Clean Out Cover Insulation
Clean Out Cover Bolt Assembly
Manifold Installations
Figure
Manifold Bracket Attachment
Figure
Follow all applicable local codes
Figure
Figure 62 Burner Tube Through Rear Base Panel
Figure 64 BurnerTube LockedTo Rear Base Panel
JACKET INSTALLATION
Figure
Figure
Figure
Rear Panel Installation, 5 through
Figures 72 Rear Panel Installation, 13 through
Figures 69 Rear Panel Installation, 5 through
Figures 70 Rear Jacket Panel Installation Detail
Figure
55175, Jacket Side Panels. Remove the knockouts
necessary to attach the water or steam piping and
controls
Figure
Rear Top Jacket Panel, 5 through
Figure
Figure
Figure
Figure
Splice Panel Brackets
Figure
Front Access Panel 5 - 12 Sect
Grill Assembly
Splice Grill Assembly
Front Access Panel 13 - 21 Sect
Pilot Assembly
Gas Train Assemblies
Figure
Figure
Figure
HEATING SYSTEM PIPING
WATER BOILER PIPING CONNECTIONS
Table
Boiler Model
Supply Size in
Return Size in
Figure 97 Water Boilers in Battery
Stop Valve Steam Main ASME Safety Valve F & T
Figure 97A Typical Single Boiler Steam Piping
Pres Controls LWCO Stop Valve Check Valve Blowoff
Stop Valve Check Valve
Equivalent Pipe Length Chart
Table
Boiler Model
Risers
Electrical Power Connections
Figure
Gas Supply Piping
Figure
Wire Duct and Control Box
Thermostat Installation
Figure
Water Boilers
Continuous Pilot Systems
LIGHTING INSTRUCTIONS
Intermittent Pilot Ignition Systems
BOILER CHECKING & ADJUSTMENT PILOT ADJUSTMENT
Pilot Flame Adjustment
Gas Pressure Adjustment
To Turn Off Gas To Boiler
BOILER MAINTENANCE
Thermostat Adjustment
Input Rate
Low Water Cutoff
Burner Installation
Heat Exchanger Cleaning
Vent System
Controls
Page
Ref #
Manifold Less Orifices
Ref #
Ref #
ONLY QUALIFIED, LICENSED SERVICE CONTRACTORS
SHOULD PERFORM WORK ON YOUR SMITH BOILER
WESTCAST, INC 260 NORTH ELM STREET WESTFIELD, MA
