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CONTENTS:
Introduction ............................................... 2
Specifications ............................................ 2
Safety Rules ............................................... 2
Helpful Installation Information ................. 3
Installation Requirements ........................... 3
Furnace Location ....................................... 4
Fresh Air for Combustion & Venting .......... 4
Cutting the Floor Opening .......................... 5
Setting the Floor Furnace ...........................
Installing the Draft Hood ............................ 6
Connecting the Vent .................................... 6
Gas Supply and Piping ................................ 8
Checking the Gas Piping ........................... 9
Thermostat Installation ............................. 10
Lighting .................................................... 11
To Turn OffGas ....................................... 11
Adjusting the Pilot Flame .......................... 12
Orifice Charts ........................................... 12
Adjusting the Main Burner. ....................... 12
Optional Operation .................................... 13
Maintenance .............................................. 14
Trouble Shooting ....................................... 15
Repair Parts ............................................... 16
Warranty. ................................................... 18
INTRODUCTION
THIS IS A GAS-FIRED, GRAVITY VENTED FLOOR FURNACE THAT WILL OPERATE SAFELY
AND PROVIDE AN EFFICIENT SOURCE OF HEAT WHEN INSTALLED, OPERATED AND
MAINTAINED AS RECOMMENDED IN THESE INSTALLATION AND OPERATING
INSTRUCTIONS. READ THESE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING,
SERVICING, OR USING THE APPLIANCE. IF YOU DO NOT UNDERSTAND ANY PART OF
THESE INSTRUCTIONS, CONSULT LOCAL AUTHORITIES, OTHER QUALIFIED
INSTALLERS, SERVICE AGENCIES, THE GAS SUPPLIER OR THE MANUFACTURER.
FLOOR FURNACE SPECIFICATIONS
Your floor furnace and drafihood are packed together in one master carton. The carton containing the floor
furnace also contains the thermostat, thermostat wire, insulated staples, furnace key and lighter rod. The drafthood
is packed in its own carton within the master pack and contains screws and rope-like gasket material for attaching
and sealing the draft hood to the floor furnace. Check the model numbers on the two cartons to be sure they
match.
MODEL NUMBER- NAT. GAS 90N30A 90N50A 90N65A 90N75A
Hourly BTU Input 30,000 50,000 62,000 75,000
Width and Length 14"x32" 22"x32" 24"x38" 26"x42"
Overall Height 29-1/4" 29-1/4" 29-7/8" 30-7/8"
Overall Grille Size 16"x34-1/£ ' 24"x34" 26"x40" 28"x44"
14/4 x_2/4 22/2 x_2/2 24/2 x_8/2 26V£'x42V£'
Size of Floor Opening _ " 3 _ " _ " 3 1 " _ " 3 _ "
Gas Pipe Size at Furnace :/2" :/2" :/2" :/2"
Vent Pipe Size 4" 4" 5" 5"
Floor to Center Line of Vent 22" 22" 22" 22"
SAFETY RULES
WARNING: IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE CAN
CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. INSTALLATION AND SERVICE_:ST
BE PERFORMED BYA QUALIFIED INSTALLER, SERVICE AGENCY OR THE GAS SUPPLIER. KEEPBURNER
AND CONTROL COMPARTMENT CLEAN. SEE INSTALLATION AND OPERATING INSTRUCTIONS
ACCOMPANYING APPLIANCE. DUE TO HIGH SURFACE TEMPERA]XJRES KEEP CHILDREN, CLOTHING
AND FURNITURE AWAY
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