3-Burner Assembly (Figure 23)
Burners
TYPICAL GAS BURNER ASSEMBLY
FIGURE 23
NOTE-Do not use thread sealing compound on the oric-
es. Using thread sealing compound may plug the orices.
Natural gas orice size is on nameplate. The LP gas ori-
ce size is on the label provided in the LP kit.
NOTE- In primary and secondary high temperature limits
S10 and S99 the ignition circuits in both gas heat sections
one and two are immediately de-energized when termi-
nals 1-3 open and the indoor blower motor is immediately
energized when terminals 1-2 close. This is the primary
and secondary safety shut-down function of the unit.
PIPE THREADS
Tighten to 6.25 + .5 ft.lbs.
Do not over-tighten.
FIGURE 24
4-Primary High Temperature Limits S10 & S99
-
-
S10 and S99 Location
CONDENSER
DIVIDER
PANEL
S10 AND S99 ON
HIND BLOWER
HOUSING
GAS HEAT
SECTION 1
GAS HEAT
SECTION 2
FIGURE 25
5-Flame Rollout Limits S47, S69
+
+ 12 F on a tempera-
6-Combustion Air Prove Switches S18, S45
-
-
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