Contents
Main
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
These instructions must be af xed on or adjacent to the boiler.
GWB9-050IH-2 GWB9-075IH-2 GWB9-100IH-2 GAS-FIRED, DIRECT VENT, CONDENSING, HOT WATER BOILER
INSTALLATION INSTRUCTIONS
Page
INTRODUCTION
Used to address practices not related to personal injury.
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a hazardous situation which, if not avoided, WILL result in death or serious injury
IMPORTANT SAFETY INFORMATION
Table 1 - SEA LEVEL RATINGS NATURAL AND PROPANE GASES
BOILER RATINGS & CAPACITIES
BOILERS FOR USE AT HIGH ALTITUDE - UNITED STATES INSTALLATIONS
BOILERS FOR USE AT HIGH ALTITUDE - UNITED STATES INSTALLATIONS
BEFORE INSTALLING THE BOILER
Boiler Sizing
1.
10.
9.
Unit Combustible Clearance
BOILER INSTALLATION
Locating The Boiler 1.
6.
5.
BOILER INSTALLATION
5.
4.
3.
Clean the System First
DO NOT
Supply And Return Lines
Page
Page
Page
Page
Page
Page
Safety Relief Valve
Figure 8 - Relief Valve Boiler Piping
Expansion Tank And Make-Up Water
Page
Page
Page
Connections And Termination
6.
8.
7.
1.
Page
Page
Page
Figure 15 - Concentric Vent Terminations
Figure 16 - Concentric Vent
Figure 17 - Concentric Vent Roof Installation
Figure 18 - Combustion Air and Vent Piping - Boiler Connections
GAS SUPPLY PIPING
Table 7 Gas Pipe Sizes
GAS SUPPLY PIPING
Figure 19 - Gas Piping
Electric Power Supply
1.
4.
ELECTRICAL WIRING
Thermostat Installation
Connect Circulator Pump Wiring
Page
Page
Page
Page
CONTROLS AND ACCESSORIES
Integrated Boiler Control (IBC)
4.
High Limit Control
3.
CONTROLS AND ACCESSORIES
Casting Temperature Safety Switch
Differential Pressure Air Proving Switch/Blocked Vent Safety Shutoff
Draft Inducer
Circulator Pump
START UP
OPERATING INSTRUCTIONS
S9381A INTEGRATED BOILER CONTROL OPERATION AND ADJUSTMENTS
Page
Page
Page
9.
Set Thermostat To Desired Room Temperature
Review All Instructions
VR8205
Figure 27 - Manifold Pressure Measurement Detail
Figure 28 - Gas Valve
Maintenance As Outlined Below Can Be Performed By Owner Unless Otherwise Noted.
2.
MAINTENANCE AND CLEANING
Monthly During Heating Season 1.
Periodically During Heating Season
End of Each Heating Season - Annual Shutdown Procedure
3.
MAINTENANCE AND CLEANING
2.
Annual Examination And Cleaning Of Boiler Components
TROUBLESHOOTING
Page
DIFFERENTIAL AIR PRESSURE SWITCH CHECK
Aluminum Series
High Ef ciency Gas-Fired Boiler
DIELECTRIC ISOLATION & ANTIFREEZE PR OTE CTION ADDENDUM
APPENDIX A - WATER QUALITY, WATER TREATMENT AND FREEZE PROTECTION
Eliminate System Leaks
ONLY!
Fill Water and Chemistry
Clean System First
General Guidelines When Using Antifreeze
Compatible Aluminum Antifreeze & Inhibitor Suppliers
- Antifreeze Products
Table 11
Noburst AL Antifreeze
Hercules cryo-tek-100/Al
