7
INSTALLATION STANDARDS
Comply with Local Codes
The installer shall familiarize himself with and comply with
all local codes and regulations which govern the installation
of this appliance. Local codes and regulations shall take
precedent over these regulations where applicable. In lieu
of local codes, the appliance shall be installed in accor-
dance with:
In the U.S.A.:
the National Electrical Code, in accordance with rec-
ommendations made by the National Board of Fire Un-
derwriters, in accordance with the the American Na-
tional Standard Institute National Fuel Gas Code (Ansi
Z223.1/NFPA---54).
The installation must conform with:
local building codes,
Federal Manufactured Home Construction & Safety
Standard (H.U.D. Title 24, Part 3280),
or in the absence of local codes with:
American National Standard Mobile Homes A225.1 for
installation in mobile homes, and American National
Standard (ANSI---C1/NFPA---70) for all electrical wiring,
and
American
National
Standard
(A119.2/
NFPA---501C) for installation in recreational vehicles.
In Canada:
Manufactured (Mobile) Homes:
Unit installation shall comply with current CSA stan-
dard CAN/CSA---Z240.4.1 --- Installation Requirement
for Gas Burning Appliances in Mobile Homes.
Unit electrical wiring and grounding shall comply with
current standard CSA C22.1 --- Canadian Electrical
Code Part 1.
Recreational Vehicles:
Unit installation shall comply with current CSA stan-
dard CAN/CGA---Z240.4.2 --- Installation Requirements
for Propane Appliances and Equipment in Recreation-
al Vehicles.
Unit electrical wiring and grounding shall comply with
current CSA standard C22.2 No.148/CAN/CSA---
Z240.6.2 --- Electrical Requirements for recreational ve-
hicles.
HIGH ALTITUDE INSTALLATION
For elevation above 2,000 feet, derate furnace orifice
2% for each 1,000 feet of elevation above sea level. Der-
ating is accomplished by reducing the orifice size.
See Derating Chart for orifice size and output adjust-
ment.
MINIMUM FURNACE CLEARANCES
Access for servicing is an important factor in the location of
any furnace. A minimum of 24 inches should be provided in
front of the furnace for access to the heating elements and
controls. This access may be provided by a closet door or
by locating the furnace 24 inches from a facing wall or parti-
tion.
These furnaces are design certified for the following mini-
mum clearances from combustible material in alcove or
closet installation:
TABLE 3 — Minimum Clearances
CLOSET
ALCOVE
BACK
0”
0”
SIDES
0”
0”
FRONT
6”
24”
TOP
2”
2”
ROOF JACK
0”
0”
DUCT
0”
0”
ALCOVE
20”
Minimum
23---1/2”
Figure 2 — Alcove Installation
