Weather-Rite XT112 Installation, Operation & Service Manual - page 13
SECTION 4: N
ATIONAL
S
TANDARDS
AND
A
PPLICABLE
C
ODES
7
SECTION 4: NATIONAL STANDARDS AND
APPLICABLE CODES
4.1 Gas Codes
The type of gas appearing on the nameplate
must be the type of gas used. Installation must
comply with national and local codes and
requirements of the local gas company.
United States: Refer to NFPA 54/ANSI Z223.1 -
latest revision, National Fuel Gas Code.
Canada: Refer to CSA B149.1- latest revision,
Natural Gas and Propane Installation Code.
4.2 Installation Codes
Installations must be made in accordance with
the Standard for the Installation of Air-
Conditioning and Ventilating Systems, NFPA
90A - latest revision for the installation of air
conditioning and ventilating systems.
4.3 Aircraft Hangars
Installation in aircraft hangars must be in
accordance with the following codes:
United States: Refer to Standard on Aircraft
Hangars, NFPA 409 - latest revision.
Canada: Refer to Natural Gas and Propane
Installation Code, Standard CSA B149.1 - latest
revision.
4.4 Parking Structures and Repair Garages
Installation in garages must be in accordance
with the following codes:
United States: Refer to Standard for Parking
Structures, NFPA 88A - latest revision or the
Code for Motor Fuel Dispensing Facilities and
Repair Garages, NFPA 30A - latest revision.
Canada: Refer to Natural Gas and Propane
Installation Code, Standard CSA B149.1 - latest
revision.
4.5 Electrical
Electrical connection to air handler must be in
accordance with the following codes:
United States: Refer to National Electrical
Code
®
, NFPA 70 - latest revision. Wiring must
conform to the most current National Electrical
Code
®
, local ordinances, and any special
diagrams furnished.
Canada: Refer to Canadian Electrical Code,
CSA C22.1 Part 1 - latest revision.
4.6 Venting
The venting must be installed in accordance
with the requirements within this manual and
the following codes:
United States: Refer to NFPA 54/ANSI Z223.1-
latest revision, National Fuel Gas Code.
Canada: Refer to CSA B149.1 - latest revision,
Natural Gas and Propane Installation Code.
4.7 High Altitude
These air handlers are approved for
installations up to 2000' (609.6 m) (in the US)
and 4500' (1371.6 m) (in Canada) without
modification. Consult factory if US installation is
above 2000' (609.6 m) or Canadian installation
is above 4500' (1371.6 m).