Carlin 301GAS Inst Manual - Manual (Page 7)

Model 301GAS burner — Instruction manual
Carlin part number MN301GAS Rev. 03/14/11
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Where appliance instructions differ from this manual, follow the appliance instructions.
1. Prepare site • prepare burner • mount burner
(continued)
Table 1 Burner orifice sizing, air settings and minimum combustion chamber dimenions (see Figure 3)
Figure 3 Chamber dimensions & tube configurations Prepare burner and components
Do not install or operate the burner if any component is damaged
or if burner does not comply with the specifications of Table 1
and other guidelines in this manual.
Combustion head/air tube configurations
• 301GAS burners are supplied with either an “B” or “C” head and air tube
combination. The “B” head/tube is designed for the low range from 401
to 700 MBH. The “C” head/tube is for the high range from 550 MBH to
1,100 MBH.
Air tube insertion length (UTL)
• Usable air tube length (UTL) is the distance from mounting flange to end
of air tube. Verify that the end of the air tube will be flush with, or no more
than ¼ inch short of, the inside of the appliance combustion chamber front
wall when the burner is mounted. See Figure 3 and Table 1 for further
information.