Contents
Your Williams Warranty .........................................................................2
Installation Record..................................................................................2
Table of Contents ...................................................................................3
Safety Rules ............................................................................................4
Introduction..............................................................................................5
Basic Description....................................................................................5
Basic Tools Needed ...............................................................................5
Basic Materials Needed ........................................................................5
Optional Accessories.....................................................................6
Installing Your Wall Furnace.................................................................7
Locating Wall Furnace and Thermostat.......................................... 7-8
Combustion and Ventilation Air......................................................8-11
Installation
Recessed Mount Installation............................................. 11-13
Surface Mount Installation................................................. 13-14
Vent Installation................................................................... 14-16
Mounting Your Furnace ................................................................ 16-17
Gas Supply and Piping ................................................................. 18-19
Electrical Wiring ................................................................................... 19
Thermostat Installation ....................................................................... 20
Optional Accessory Installation ................................................... 21-23
Start Up Procedure ............................................................................. 24
Operating Your Furnace............................................................... 25-26
How To Care For Your Furnace.................................................. 27-28
Furnace Technical Information.......................................................... 28
TROUBLESHOOTING CHART................................................... 29-30
Wiring Diagrams .................................................................................. 30
Repair Parts ................................................................................... 31-32
Repair Parts List ............................................................................ 33-34
Forsaire Hardwire Accessary - 9940 ................................................ 35
SERVICE HINTS ................................................................. Back Cover
How To Order Repair Parts ............................................... Back Cover
Quick Reference: Here’s how to…
Unpack the furnace ............................................................................... 6
Learn how to unpack the new Williams Furnace and verify that all
its parts are in working order.
Install the furnace ............................................................................ 7-20
Recessed Mount, Surface Mount, and Vent Installation is all
explained starting on page 11.
Operate the furnace ...................................................................... 25-26
Igniting the furnace for the first time.
Caring for Your Furnace ............................................................... 27-28
Learn how to keep your new Williams Furnace operating.