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Unitary Products Group
INSTALLATION STANDARDS
CODE COMPLIANCE
The installer shall familiarize himself with and comply
with all local codes and regulations which govern the in-
stallation of this appliance. Local codes and regulations
shall take precedent over these regulations where appli-
cable. In lieu of local codes, the appliance shall be in-
stalled in accordance with one or more of the following
standards.
Manufactured homes in the U.S.A.:
1. Federal Manufactured Home Construction & Safety
Standard (H.U.D. Title 24, Part 3280)
2. American
National
Standard
(ANSI--Z223.1,
NFPA--54) for gas fired furnaces.
3. Unit electrical wiring and grounding shall comply with
current CSA standard C22.2 No.148/CAN/CSA--
Z240.6.2 -- Electrical Requirements for recreational
vehicles.
Manufactured homes in Canada:
1. CAN/CGA B149 for gas fired furnaces.
2. CSA 22.1 Canadian Electrical Code part 1 for all
electrical field wiring.
Recreational Vehicles in U.S.A.:
1. American National Standard (ANSI--119--2/NFPA--
501C) for recreation vehicle installations.
2. Unit electrical wiring and grounding shall comply with
current CSA standard C22.2 No.148/CAN/CSA--
Z240.6.2 -- Electrical Requirements for recreational
vehicles.
Recreational Vehicles in Canada:
1. Unit installation shall comply with current CSA stan-
dard CAN/CGA--Z240.4.2 -- Installation Require-
ments for Propane Appliances and Equipment in
Recreational Vehicles.
2. Unit electrical wiring and grounding shall comply with
current CSA standard C22.2 No.148/CAN/CSA--
Z240.6.2 -- Electrical Requirements for recreational
vehicles.
HIGH ALTITUDE INSTALLATION
For elevation above 2,000 feet, derate furnace orifice 4%
for each 1,000 feet of elevation above sea level. Derating
is accomplished by reducing the orifice size. See Derat-
ing Chart for orifice size.
CAUTION:
D
Never attempt to alter or modify this furnace or any
of its components.
D
Never attempt to repair damaged or inoperable com-
ponents. Such action could cause unsafe operation,
explosion, fire and/or asphyxiation.
D
If a malfunction has occurred, or if you feel that the
furnace is not operating as it should, contact a quali-
fied service agency or gas utility for assistance.
MINIMUM FURNACE CLEARANCES
Access for servicing is an important factor in the location
of any furnace. A minimum of 24 inches should be pro-
vided in front of the furnace for access to the heating ele-
ments and controls. This access may be provided by a
closet door or by locating the furnace 24 inches from a
facing wall or partition.
These furnaces are design certified for the following
minimum clearances from combustible material in al-
cove or closet installation:
TABLE 1 — Minimum Clearances
CLOSET
ALCOVE
BACK
0”
0”
SIDES
0”
0”
FRONT
6”
24”
TOP
2”
2”
ROOF JACK
0”
0”
DUCT
0”
0”
Summary of Contents for DLAS
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