SECTION 4: N
ATIONAL
S
TANDARDS
AND
A
PPLICABLE
C
ODES
9 of 91
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 National F
u
el Gas Code
NFPA 54/ANSI Z223.1 - latest revision.
Canada: Refer to Nat
u
ral Gas and Propane
Installation Code CSA B149.1 - latest revision.
4.2 Aircraft Hangars
Installation in aircraft hangars m
u
st be in
accordance
w
ith the follo
w
ing codes:
United States: Refer to Standard for Aircraft
Hangars, NFPA 409 - latest revision.
Canada: Refer to Nat
u
ral Gas and Propane
Installation Code CSA B149.1 - latest revision.
In aircraft storage and servicing areas, heaters
shall be installed at least 10' (3 m) above the
u
pper s
u
rface of
w
ings or of engine enclos
u
res
of the highest aircraft
w
hich may be ho
u
sed in
the hangar. The meas
u
rement shall be made
from the
w
ing or engine enclos
u
re (
w
hichever is
higher from the floor) to the bottom of the heater.
• In shops, offices and other sections of aircraft
hangars comm
u
nicating
w
ith aircraft storage or
servicing areas, heaters shall be installed not
less than 8' (2.4 m) above the floor.
• S
u
spended or elevated heaters shall be so
located in all spaces of aircraft hangars that they
shall not be s
u
bject to inj
u
ry by aircraft, cranes,
movable scaffolding or other objects. Provisions
shall be made to ass
u
re accessibility to
s
u
spended heaters for rec
u
rrent maintenance
p
u
rposes.
4.3 Public Garages
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 revision or the
Code for Motor F
u
el Dispensing Facilities and
Repair Garages, NFPA 30A - latest revision.
Canada: Refer to Nat
u
ral Gas and Propane
Installation Code CSA B149.1 - latest revision.
• Heaters m
u
st not be installed less than 8'
(2.4 m) above the floor. Minim
u
m clearances to
comb
u
stibles m
u
st be maintained from vehicles
parked belo
w
the heater.
• When installed over hoists, minim
u
m
clearances to comb
u
stibles m
u
st be maintained
from the
u
pper most point of objects on the hoist.
4.4 Electrical
The heater m
u
st be electrically gro
u
nded in
accordance
w
ith the follo
w
ing codes:
United States: Refer to National Electrical Code
®
,
NFPA 70 - latest revision. 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 revision.
4.5 Venting
The venting 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 National F
u
el Gas Code
NFPA 54/ANSI Z223.1 - latest revision.
Canada: Refer to Nat
u
ral Gas and Propane
Installation Code CSA B149.1 - latest revision.
4.6 High Altitude
These heaters are approved for installations
u
p
to 2000' (610 m)(US), 4500' (1370 m)(Canada)
w
itho
u
t modification. Cons
u
lt factory if US
installation is above 2000' (610 m) or Canadian
installation is above 4500' (1370 m).
