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58SU0A: Installation, Start-up, Operating and Service and Maintenance Instructions
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
Fig. 29 – Horizontal Right Application-Vent Elbow Right
SEE NOTES: 1,2,4,5,6,7,8,9
on the page following these figures
Fig. 30 – Downflow Application-Vent Elbow Left then Up
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
Fig. 31 – Horizontal Left Application-Vent Elbow Up
See NOTES following images.
Venting Notes for Figures 26 - 31
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 Product Data for accessory listing.
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 Product Data for accessory listing.
6. Factory-authorized accessory Downflow Vent Guard Kit required
in downflow installations with lower vent configuration.
Product Datafor accessory listing.
7. Secure vent connector to furnace elbow with (2) corrosion-resistant
sheet metal screws, spaced approximately 180° apart.
8. Secure all other single wall vent connector joints with (3) corrosion
resistant screws spaced approximately 120° apart.
9. Secure Type-B vent connectors per vent connector manufacturer's
recommendations.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
START-UP, ADJUSTMENT, AND SAFETY
General
FIRE HAZARD
Failure to follow this warning could result in personal injury, death
and/or property damage.
A03214
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
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.
CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and wear
appropriate protective clothing, safety glasses and gloves when
handling parts and servicing furnaces.
A03207
1. Maintain 115-v wiring and ground. Improper polarity will result in
rapidly LED flashing and no furnace operation.
2. Make thermostat wire connections at the 24-v terminal block on the
furnace control. Failure to make proper connections will result in
improper operation, see
3. Gas supply pressure to the furnace must be greater than 4.5-In.
W.C. (0.16 psig ) but not exceed 14-In. W.C. (0.5 psig).
4. Check all manual-reset switches for continuity.
5. Install blower compartment door. Door must be in place to operate
furnace.
6. Replace outer door.
Start-Up Procedures
A03215
FIRE AND EXPLOSION HAZARD
Failure to follow this warning could cause personal injury, death and/or
property damage.
Never test for gas leaks with an open flame. Use a commercially
available soap solution made specifically for the detection of leaks to
check all connections. A fire or explosion may result causing property
damage, personal injury or loss of life.
1. Purge gas lines after all connections have been made.
2. Check gas lines for leaks.
3. Verify furnace shut down by lowering thermostat setting below
room temperature.
4. Verify furnace restarts by raising thermostat setting above room
temperature.
See
20
CHECK
WARNING
!
CAUTION
!
Fig.
24.
WARNING
!
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