2 . - 9.
START-UP PROCEDURES (CONTD)
Varying the air band position adjusts the ratio of air
Normal vibration of the water heater may
change the air band adjustment.
Check frequently for
the presence of smoke.
If smoke is visible, adjust air band as follows:
(1) Press rivet (14) on air band (12).
(2) Shift air band adjustments tabs (15) downward while observing
(3) Open air band (12) until smoke is no longer visible.
Open air band only as wide as needed to stop visible
Do not open air band wider than needed. This
prevents dirt from entering system and corrosion and
Turn off load limit switch (1).