Harman® • Accentra 52i Installation Manual_R2 • 2013 -___ • 07/1325 3-90-00574i
Figure 5.24
E. Low Draft Voltage Adjustment
NOTE: Low
draft adjustment may be required. The factory low draft
setting may not be correct for the unit's permanent
installation conditions.
NOTE:
required
NOTE: In some cases, the draft may not go as low as -.35
even with the set screw completely counter-clockwise.
Combustion Motor
Speed Control
Low draft only set
point.
The small straight
screwdriver slot is
plastic;therefore,the
unitcanbeadjusted
whileinoperation.
Draft Meter bolt hole location
Figure 5.23