Sterling SF - Manual

HCAK-IOM-3
J30-09025 INSTALLATION AND SERVICE MANUAL
HORIZONTAL COMBUSTION AIR INLET KITS
CATEGORY III VENTING FOR SEPARATED COMBUSTION
TUBULAR GAS FIRED UNIT HEATERS
USE 5 INCH KIT FOR UNITS WITH CAPACITIES 100,000 TO 250,000 BTU/HR
USE 6 INCH KIT FOR UNITS WITH CAPACITIES 300,000 TO 400,000 BTU/HR
Supplement to unit installation instructions – STPIM or STBII
Improper installation, adjustment, alteration,
service or maintenance can cause property damage, injury or
death. Read this supplement and the unit heater installation,
operating and maintenance instructions thoroughly before
installing or servicing this equipment.
08/13
Figure 1a – 5 Inch Combustion Air Inlet Kit
This Combustion Air Inlet Kit utilizes one 5 or 6 inch termination in which both the
discharge fl ue gas and the combustion air inlet pass.
The location of the vent terminal must be in accordance with the National Fuel Code ANSI Z223.1 (NFPA 54) in
the U.S. or the Natural Gas Installation Code CSA-B149.1 or the Propane Gas Installation Cade CSA-B149.2 in
Canada. Minimum clearances are shown in Table 1 and Figure 3.
#1 – Part No. 11J37R02222-002
(1) Flue Vent Terminal
#2 – Part No. 11507R08560
(1) Combustion Air Inlet Box
Assembly (see Figure 2a
for dimensional data)
#3 – Part No. 11J37R08572
(1) Air Inlet Screen
#4 – Part No. 11507R08569
(1) Defl ector Disk
Also Included:
(1) Part No. J30-09025
Installation Instructions
(1) Part No. 11H03R03612-002
Tube of High Temp Silicone
Sealant
Figure 1b – 6 Inch Combustion Air Inlet Kit
#1 – Part No. 11J37R02222-003
(1) Flue Vent Terminal
#2 – Part No. 11507R08951
(1) Combustion Air Inlet Box
Assembly (see Figure 2b
for dimensional data)
#3 – Part No. 11J37R08957
(1) Air Inlet Screen
#4 – Part No. 11507R09012
(1) Defl ector Disk
Also Included:
(1) Part No. J30-09025
Installation Instructions
(1) Part No. 11H03R03612-002
Tube of High Temp Silicone
Sealant
D8981B
2
3
4
1
D9014B
1
2
3
4
260 NORTH ELM ST., WESTFIELD, MA 01085
TEL: (413) 568-9571 FAX: (413) 562-8437
www.mestek.com
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