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R80ESN/R80ESL(Series A): Installation, Start–Up, Operating and Service and Maintenance Instructions
Fig. 39 – Horizontal Right Application-Vent Elbow Left
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
Fig. 40 – Horizontal Left Application-Vent Elbow Right
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
Fig. 41 – Horizontal Left Application-Vent Elbow Up
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
Fig. 42 – Horizontal Right Application-Vent Elbow Left then Up
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
SEE NOTES: 1,2,4,5,7,8,9
A02068
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
Fig. 43 – Horizontal Left Application-Vent Elbow Right then Up
VENTING NOTES FOR
1. For common vent, vent connector sizing and vent material: United
States-use the NFGC.
2. Immediately increase to 5-inch (127 mm) or 6-inch (152 mm) vent
connector outside furnace casing when 5-inch (127 mm) vent
connector is required, refer to Note 1 above.
3. Side outlet vent for upflow and downflow installations must use
Type B vent immediately after exiting the furnace, except when
factory-authorized, Downflow Vent Guard Kit, is used in the
downflow position. See Specification Sheet for accessory listing.
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4. Type-B vent where required, refer to Note 1 above.
5. Four-inch single-wall (26 ga. min.) vent must be used inside
furnace casing and when the Downflow Vent Guard Kit is used
external to the furnace. See Specification Sheet for accessory
listing.
6. Factory-authorized accessory Downflow Vent Guard Kit required
in downflow installations with lower vent configuration. See
Specification Sheet for accessory listing.
7. Chimney Adapter Kit may be required for exterior masonry
chimney applications. Refer to Chimney Adapter Kit for sizing and
complete application details. See Specification Sheet for accessory
listing.
8. Secure vent connector to furnace elbow with (2) corrosion-resistant
sheet metal screws, spaced approximately 180° apart.
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9. Secure all other single wall vent connector joints with (3) corrosion
resistant screws spaced approximately 120° apart. Secure Type-B
vent
connectors
recommendations.
START-UP, ADJUSTMENT, AND SAFETY
CHECK
GENERAL
FIRE HAZARD
Failure to follow this warning could result in personal injury, death
and/or property damage.
This furnace is equipped with manual reset limit switches in the gas
control area. The switches open and shut off power to the gas valve if a
A03219
flame rollout or overheating condition occurs in the gas control area.
DO NOT bypass the switches. Correct inadequate combustion air
supply problem before resetting the switches.
25
Fig. 31
-
Fig. 43
per
vent
connector
WARNING
!
A03214
manufacturer's
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