CTHN-S
ERIES
I
NSTALLATION
, O
PERATION
AND
S
ERVICE
M
ANUAL
10 of 91
SECTION 5: HEATER DESCRIPTIONS
5.1 Unitary vs. Multiburner
CTHN-Series b
u
rners may be
u
sed for
u
nitary
heaters or for m
u
ltib
u
rner systems.
Unitary heaters consist of a single b
u
rner, a single
r
u
n of radiant t
u
bing and a single fan assembly.
or
for
details.
M
u
ltib
u
rner systems consist of more than one b
u
rner
and more than one r
u
n of radiant t
u
bing. The r
u
ns of
radiant t
u
bing are connected together by manifold
t
u
bing. The manifold t
u
bing connects to a single
p
u
mp that exha
u
sts the fl
u
e gases o
u
for
common m
u
ltib
u
rner system layo
u
ts.
Since this manual addresses installation of both
unitary heaters and multiburner systems, pay
close attention to section and figure titles to
verify relevance to unitary heaters or multiburner
systems.
