AHE Series 4 Direct Vent
User maintenance procedures continued
❑Monthly .....................
Main burner flames
1.See Figure 4. Remove burner input plenum cover plate “A”.
2.Visually inspect burner flames:
•Proper main burner flame (see Figure 5):
a.
•Improper main burner flame:
a.Overfired — Large flames.
b.Underfired — Small flames.
c.Lack of primary air — Yellow tipping on flames (sooting will occur).
Figure 4
❑Periodically ..........
Test low water cutoff
Test the low water cutoff periodically during the heating season, following the low water cutoff manufacturer’s instructions.
Clean vent termination and air intake screens
1.Remove all lint and debris from both the boiler air intake screen and the flue discharge screen.
2.The boiler control module will sense blockage of the air intake or flue and lockout if the blockage is excessive. It will signal by flashing the appropriate indicator lights on the control board.
3.If removing the debris does not allow the boiler to operate correctly afterwards, contact your qualified service technician to inspect the boiler and vent/ air systems.
89301
Figure 5 Main burner flame, typical
Transparent blue flame
Inner flame
26024
Part number | 7 |
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