CleaverBrooks ProFire D Series - Page 66

Adjustments
4-8
750-204
Profire D/LND
FIGURE 4-3. Low Fire Position
FIGURE 4-4. High Fire Position
The modulating motor will be stopped at the end of its stroke by an internal limit switch. Combustion gas analy-
sis indicates the air to fuel ratio and the degree of complete combustion. The closer the rod comes to parallel