Use and Care Manual

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
General Vent Installation .............................................. 14-16
Mounting Your Furnace ......................................................... 16-17
Gas Supply and Piping .......................................................... 18-19
Electrical Wiring ........................................................................... 19
Thermostat Installation ................................................................ 20
Start Up Procedure ...................................................................... 21
Operating Your Furnace ........................................................ 22-23
How To Care For Your Furnace ............................................ 24-25
Furnace Technical Information .................................................... 26
TROUBLESHOOTING CHART ............................................. 27-29
Wiring Diagrams .................................................................... 30-31
Repair Parts .......................................................................... 32-35
Repair Parts List .................................................................... 36-39
Forsaire Hardwire Accessary - 9940 ........................................... 40
Service Record ...................................................................... 41-43
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..................................................................... 7-21
Recessed Mount, Surface Mount, and Vent Installation is all
explained starting on page 11.
Operate the furnace ............................................................... 22-23
Igniting the furnace for the first time.
Caring for Your Furnace ........................................................ 24-25
Learn how to keep your new Williams Furnace operating.