Smith Cast Iron Boilers
GT Series
manual
GT Installation and Operation Instructions
Troubleshooting
Install
Parts list
Equivalent Pipe Length Chart
Electrical Wiring
Warranty
Maintenance
Boiler SET UP
Boiler Checking & Adjustment
Setting Sentry 2100T control
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GT INSTALLATION AND OPERATION INSTRUCTIONS
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Contents
North ELM Street WESTFIELD, MA 01085 TEL 562-9631 FAX 413
Gama Energy Star
Before YOU Start
Contents
Boiler Ratings & Capacities
Input vs Elevation Graph
Boiler Location
General Venting Guidelines
Combustion AIR
Horizontal Direct Vent Systems
Horizontal Terminal Locations
Separate Air Intake and Vent Terminals
Wall Penetration Detail
External Air Intake and Vent Systems
Vertical Direct Vent Systems
Debris Screen Installation
Concentric Through the Roof
Condensate Drain
General Plumbing Guidelines
Relief Valve Piping
Pressure Relief Valve
Low Water Cut Off, Lwco
Multiple Boiler Primary Loop
Primary Loop Plumbing
Secondary Loop Plumbing
Single Boiler with Indirect Hot Water Heater
Multiple Boiler Installation
Multiple Zones Using Circulators
Multiple Zones Valves with Bypass Valve
GAS Supply Piping
Equivalent Pipe Length Chart
Gas Pipe Capacity
Thermostat Installation
Electrical Wiring
Multiple Zones w/ Taco Valve Controller Models ZVC403 to ZVC
Multiple 4 Wire Zone Valves
GT Installation and Operation Instructions
GT Installation and Operation Instructions
Boiler Ladder Diagram
Boiler Connection Diagram
Sentry Display
Sentry 2100T Controller
Boiler Modulation
Indirect Water Heaters
Outdoor Sensor 10K
Setting Sentry 2100T control
Recommended Settings
Recommend System Temperatures
= 200F, 93C 70F, 21C /70F, 21C
Determining Reset Temperature HICalc
=140.6 F, 42C
Operating Instructions
Boiler SET UP
Normal Flue Gas Composition Natural Gas Propane
Ignition System
Gas Valve Layout, GT-150
Operational Flow Chart
For Your Safety Read Before Operating
Main Burner Flame
Boiler Checking & Adjustment
Gas Pressure Adjustment
Input Rate
Boiler Maintenance
Aquastat High Limit
Wall Hung Conversion
Before set-point
Trouble Shooting
Temperature is
Burner shuts off
Ignition Sequence
Air Switch is Open
Air Switch is Closed
Indicates that
Boiler will not stay
Two Flashes on
Fenwal
Three Flashes on
Sentry Controller
Creating a noise Residence. This is not a warranty issue
Housing
Warranty issue
GT Installation and Operation Instructions
Replacement Parts Exploded View Models GT150 and GT200
Replacement Parts List
Replacement Parts Exploded View Model GT400
GT Installation and Operation Instructions
WESTCAST, INC
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