Roberts Gorden CTHN-125 Manual De Usuario

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CTHN-S
ERIES
 I
NSTALLATION
, O
PERATION
 
AND
 S
ERVICE
 M
ANUAL
SECTION 5: HEATER DESCRIPTIONS
5.1 Unitary vs. Multiburner
CTHN-Series burners may be used for unitary 
heaters or for multiburner systems. 
Unitary heaters consist of a single burner, a single 
run of radiant tubing and a single fan assembly. See 
Page 14, Figure 13
 or See Page 17, Figure 16 for 
details. 
Multiburner systems consist of more than one burner 
and more than one run of radiant tubing. The runs of 
radiant tubing are connected together by manifold 
tubing. The manifold tubing connects to a single 
pump that exhausts the flue gases outdoors. See 
Page 32, Figure 19
 through Page 35, Figure 23 for 
common multiburner system layouts.
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.