ii
4. Remove the top unused rubber plug from the port on the
collector box opposite the condensate trap. See Fig. 59.
5. Connect a field supplied 3/8-in. (9.5-ram) ID tube to the
open port on the collector box
6. Insert a field supplied funnel into the tube.
7. Pour 1 quart of anti-freeze solution into the funnel/tube.
Antifreeze should run through the inducer housing, overfill
condensate trap and flow to an open drain.
8. Replace the rubber plug in the port on the collector box.
9. Remove the nfiddle unused rubber plug from the port on the
collector box opposite the condensate trap. See Fig. 59.
10. Repeat Steps 5 through 8.
11. If a condensate pump is used, check with pump
manufacturer to verify pump is safe for use with antifreeze
used. Allow pump to start and pump anti-freeze to open
drain.
12. Replace main door.
13. When furnace is re-started, flush condensate pump with
clear water to check for proper operation before re-starting
furnace.
14. Propylene glycol need not be removed before re-starting
furnace.
3/8-in.
9.6 mm
Fig. 58 - Igniter Position - Side View
3/16-in.
4.6 mm
+0.8
2.5 mm_1.5
Al1620
t Iv " to
o
o
m
(64.4)
Fig. 56 - Igniter Position - Top View
Al1405
Fig. 59 - Priming Condensate Trap
Al1392
Burner Flame
/- Burner
_2
Fig. 57 - Burner Flame
Al1461
Fig. 60 - Cleaning Heat Exchanger Cell
Al1273
78
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