Section
18677 Rev. A 8/05
VENTING / DUCTING
Section 5
General Requirements
Heater must be vented in accordance with specification ANSI Z223.1 - latest revision. Partial
information relating to this specification is provided in this section with regard to size and
configurations for venting arrangements ( see Figures 12, 13, 14, 15, 16). For complete
information consult ANSI Z223.1 - latest revision and applicable local codes. Use the
following guidelines to help insure an adequate, safe venting arrangement.
a) Be sure that method selected for venting heater complies with all codes as required for each
particular location.
b) Exhaust end of heater will accept a four (4”) inch flue pipe using the flue pipe adapter.
c) Heater may be vented to the outdoors either vertically or horizontally.
d) If heater is to be vented horizontally:
1) Vent must exit building not less than seven (7’) feet above grade when located adjacent
to public walkways.
2) Vent must terminate at least three (3’) feet above any forced air inlet located within ten
feet (10’)
3) Vent must terminate at least four (4’) feet below, four (4’) feet horizontally from, or one
(1’) foot above any door, window, or gravity inlet into any building.
4) Vent terminal shall be located at least twelve (12”) inches from any opening through
which vent gases could enter the building.
e) Vent terminal opening must be beyond any combustible overhang.
f) If condensation in the flue is a problem, the flue length should be shortened or insulated.
g) For vent specifications all of the following conditions must be met:
1) Maximum total vent length allowed in fort-five (45’) feet.
2) Maximum outside air supply duct allowed forty-five (45’) feet.
3) Maximum total vent length plus outside air supply length plus extension package shall
not exceed sixty-five (65’) feet.
4) Under length conditions 1) through 3) above -- a total of two (2) elbows are allowed for
vent and outside air supply together. Substract fifteen (15’) feet per additional elbow
from maximum length allowed if more than two (2) elbows are used.
21
Vent / Ducting
5
Summary of Contents for HEATSTAR enerRADIANT ERXL-100
Page 2: ...Section 18677 Rev A 8 05...
Page 37: ...Section 18677 Rev A 8 05 Troubleshooting Guide Ener Radiant XL 35 Operation Maintenance 8...
Page 38: ...Section 18677 Rev A 8 05 36 Operation Maintenance Section 8...
Page 40: ...Section 18677 Rev A 8 05 FIGURE 24 Ener Radiant XL Burner Control Housing 38 Appendices 9...
Page 43: ...Section 18677 Rev A 8 05...
