These furnaces are shipped with the following materials to assist in
properfurnace installation. These materials are shipped in the main
blower compartment.
Installer Packet includes:
Installation, Start-Up, and Operating Instructions
Service and Maintenance Procedures
User’s Information Manual
Warranty Certificate
Loose Parts Bag includes: Quantity
Pressure tube extension 1
Collector box or condensate trap extension tube 1
Inducer housing drain tube 1
1/2-in. CPVC street elbow 2
Drain tube coupling 1
Drain tube coupling grommet 1
Vent and combustion-air pipe support 2
→Fig. 3—Clearances to Combustibles A02250
Clearance in inches.
Vent clearance to
combustibles 0".
This furnace is approved for UPFLOW, DOWNFLOW and
HORIZONTAL installati ons.
*
BOTTOM
0"
Ø
3"
0"
§
0"
TOP/PLENU
M
1"
0"
§
30
MIN
ALL POSITIONS:
SIDE
FRONT
BCK
A
SERVIE
C
FRONT
SIDE
U
FRNACE
Clearance arrows
do not change with
furnace orientation.
†
328068-201 REV. A
LIT - TOP
MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION
†
HORIZONTAL POSITIONS:
DOWNFLOW POSITIONS:
§
Ø
*Mimimum front clearance f or service 30 inches (762mm).
This forced air furnace is equipped for use with natural gas at altitudes 0 - 10,000 ft (0 - 3,050m), except 140 size furnacesare onl y approved for altitudes 0 - 7,000 ft.
(0 - 2,135m).
An accessory kit, supplied by the manufacturer, shall be used to convert to propane gas use or may be required for some natural gas applications.
This furnace is for indoor installation i n a building constructed on site. This furnace may be installed in a manufactured (mobile) home when stated on rating plate and
using factory authorized kit.
This furnace may be i nstalled on combustible flooring in alcove or closet at
Minimum Inches Clearance To Combustible Construction
as described below.
This furnace requi res a special venting system. Refer to the installation instr uctions for parts list and m ethod of installation. This furnace is for use with schedule-40 PVC,
PVC-DWV, CPVC, or ABS-DWV pipe, and m ust not be vented in common with other gas-fired appliances. Constructi on through whichvent/ai r intake pipes may be
installed is maximum 24 inches (600 mm), minimum 3/4 inches (19 mm ) thickness (including roofi ng materials).
UPFLOW OR
DOWNFLOW
1/2" MAX
LEVEL (0")TO
For upflow and downflow appl ications, furnace must be inst alled level, or pitched withi n 1/2" of level. For a
horizontal appli cation, the furnace must be pitch ed minimum 1/4" to maximum of 1/2" forward for proper
drainage. See Installat ion Manual for IMPORTANT unit support details on hor izontal applications.
HORIZONTAL
MIN 1/4"TO 1/2" MAX
For installation on combustible floors only when install ed on special base No.
KGASB0201ALL, Coil Assembly, Part No. CD5 or CK5, or Coil Casing, Part No. KCAKC.
Line contact is permissible onl y between lines formed by intersections of top and two sides
of furnace jacket, and building joists, studs, or f raming.
Clearance shown is for air inlet and air outlet ends.
120 size furnace requi res 1 inch bottom clearance to combustible materials.
FRONT
FRONT
INSTALLATION
Fig. 4—Return-Air Temperature
A93042
Fig. 5—Installation in a Garage
A93044
18-IN. MINIMUM
TO BURNERS
—4—