SECTION 4: N
ATIONAL
S
TANDARDS
AND
A
PPLICABLE
C
ODES
9 of 154
SECTION 4: NATIONAL STANDARDS AND
APPLICABLE CODES
4.1 Gas Codes
The type of gas appearing on the nameplate
m
u
st be the type of gas
u
sed. Installation m
u
st
comply
w
ith national and local codes and
req
u
irements of the local gas company.
United States: Refer to NFPA 54/ANSI Z223.1 -
latest re
v
ision, National F
u
el Gas Code.
Canada: Refer to CSA B149.1- latest re
v
ision,
Nat
u
ral Gas and Propane Installation Code.
4.2 Installation Codes
Installations m
u
st be made in accordance
w
ith
the Standard for the Installation of Air-
Conditioning and Ventilating Systems, NFPA
90A - latest re
v
ision for the installation of air
conditioning and
v
entilating systems.
4.3 Aircraft Han
g
ars
Installation in aircraft hangars m
u
st be in
accordance
w
ith the follo
w
ing codes:
United States: Refer to Standard on Aircraft
Hangars, NFPA 409 - latest re
v
ision.
Canada: Refer to Nat
u
ral Gas and Propane
Installation Code, Standard CSA B149.1 - latest
re
v
ision.
4.4 Parkin
g
Structures and Repair Gara
g
es
Installation in garages m
u
st be in accordance
w
ith the follo
w
ing codes:
United States: Refer to standard for Parking
Str
u
ct
u
res, NFPA 88A - latest re
v
ision or Code
for Motor F
u
el Dispensing Facilities and Repair
Garages, NFPA 30A - latest re
v
ision.
Canada: Refer to Nat
u
ral Gas and Propane
Installation Code, standard CSA B149.1 - latest
re
v
ision.
4.5 Electrical
Electrical connection to air handler m
u
st be in
accordance
w
ith the follo
w
ing codes:
United States: Refer to National Electrical
Code
®
, NFPA 70 - latest re
v
ision. Wiring m
u
st
conform to the most c
u
rrent National Electrical
Code
®
, local ordinances, and any special
diagrams f
u
rnished.
Canada: Refer to Canadian Electrical Code,
CSA C22.1 Part 1 - latest re
v
ision.
4.6 Ventin
g
The
v
enting m
u
st be installed in accordance
w
ith the req
u
irements
w
ithin this man
u
al and
the follo
w
ing codes:
United States: Refer to NFPA 54/ANSI Z223.1-
latest re
v
ision, National F
u
el Gas Code.
Canada: Refer to CSA B149.1 - latest re
v
ision,
Nat
u
ral Gas and Propane Installation Code.
4.7 Hi
g
h Altitude
These air handlers are appro
v
ed for
installations
u
p to 2000' (609.6 m) (in the US)
and 4500' (1371.6 m) (in Canada)
w
itho
u
t
modification. Cons
u
lt factory if US installation is
abo
v
e 2000' (609.6 m) or Canadian installation
is abo
v
e 4500' (1371.6 m).
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