Rapid Engineering CGTH-30 Installation & operation manual - Warning
CGTH I
NSTALLATION
, O
PERATION
AND
S
ERVICE
M
ANUAL
12 of 55
SECTION 6: HEATER INSTALLATION REQUIREMENTS
6.1 National Standards and Applicable Codes
All appliances m
u
st
b
e installed in accordance
w
ith
the latest re
v
ision of the applica
b
le standards and
national codes. This refers also to the electric, gas
and
v
enting installation. Note: Additional standards
for installations in P
ub
lic Garages, Aircraft Hangars,
etc. may
b
e applica
b
le.
This section pro
v
ides the follo
w
ing information:
• Defines the gas, electric and
v
enting req
u
irements
for the CGTH-Series heater.
• Specifies the national standards and applica
b
le
codes that apply to the gas, electric and
v
enting
req
u
irements.
• Specifies the national standards and applica
b
le
codes that apply to non-residential installations.
6.2 Gas Service Re
q
uirements
6.2.1 Gas Type
The type of gas appearing on the nameplate m
u
st
b
e
the type of gas
u
sed. Installation m
u
st comply
w
ith
local codes and recommendations of the local gas
company. United States: Refer to National F
u
el Gas
Code NFPA 54/ANSI Z223.1 - latest re
v
ision.
Canada: Refer to Nat
u
ral Gas and Propane Installa-
tion Code CSA B149.1 - latest re
v
ision.
6.2.2 Gas Supply Lines
The size of the gas s
u
pply lines m
u
st comply
w
ith
local codes and recommendations of the local gas
company. United States: Refer to National F
u
el Gas
Code NFPA 54/ANSI Z223.1 - latest re
v
ision.
Canada: Refer to Nat
u
ral Gas and Propane Installa-
tion Code CSA B149.1 - latest re
v
ision.
A 1/8" NPT pl
u
gged tap m
u
st
b
e installed in the gas
line connection immediately
u
pstream of the
bu
rner
that is farthest from the gas s
u
pply meter. The tap is
req
u
ired for checking system gas press
u
re.
6.2.3 Meter and Service
Meter and ser
v
ice m
u
st
b
e large eno
u
gh to handle all
the heaters
b
eing installed pl
u
s any other connected
load. The gas line
w
hich feeds the system m
u
st
b
e
large eno
u
gh to s
u
pply the req
u
ired gas
w
ith a maxi-
m
u
m press
u
re drop of 1/2"
w
c. When gas piping is
not incl
u
ded in the layo
u
t dra
w
ing, the local gas s
u
p-
plier
w
ill
u
s
u
ally help in planning the gas piping.
6.3 Electrical Service Re
q
uirements
The CGTH-Series heater req
u
ires a gro
u
nded three-
prong electrical o
u
tlet to
b
e installed
w
ithin 18" of the
rear s
u
rface of the heater’s
bu
rner
b
ox. It is recom-
mended that the o
u
tlet for the heater
b
e ceiling-
mo
u
nted and sho
u
ld
b
e on a dedicated circ
u
it.
DO
NOT
u
se an electrical extension cord to operate the
heater.
Heater Ratin
g
: 120 VAC, 60 hz, 1 Ø, 1 A
6.3.1 Groundin
g
The heater m
u
st
b
e electrically gro
u
nded in accor-
dance
w
ith the follo
w
ing codes: United States: Refer
to National Electrical Code
®
, NFPA 70 - latest re
v
i-
WARNING
Explosion Hazard
Tighten gas hose fittings to connect gas
supply according to Figure 36.
Leak test all components of gas piping
before operation.
Gas can leak if piping is not installed
properly.
Do not high pressure test gas piping with
heater connected.
Failure to follow these instructions can result
in death, injury or property damage.
DANGER
Electrical Shock Hazard
Plug heater into grounded three-prong ceiling
receptacle.
Do not cut or remove the grounding prong
from this plug.
Do not use with an extension cord.
Failure to follow these instructions can result
in death or electrical shock.