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SETTING FOR HIGH ALTITUDE
Set the air adjustment collar at the burner to compensate for
change in altitude. The heater is set from the factory to
operate at 1,000 ft. above sea level. Failure to set the
burner's air opening will result in smoke being emitted from
the vent stack during operation.
FIG. 14
FAN AND MOTOR
1. Remove the fan guard from the heater.
2. Using a 4 mm. allen key, loosen the set screw at the
fan hub. See Fig. 15.
3. Slide the fan from the motor shaft.
4.. Disconnect the wiring for the motor and the capacitor
from the junction box at the motor.
5. Remove the pump from the end of the motor opposite
the fan. (see Pump Service Instructions)
6. Remove all screws securing the motor to its support.
See Fig.16.
NOTES: a. Ensure fan hub is spaced 1.25 inches from
shaft end. See Fig.15.
b. Fan set screw must be located directly
over the shaft flat before tightening.
15
WING SCREW
AIR OPENING
Loosen the wing screw at the burner head and slide the
adjustmewnt collar accordingly to these opening sizes in
the table below. Note that these are approximate. The
opening should be increased or decreased as
necessary to prevent the heater from emitting smoke.
Air Opening Setting
6 mm.
7 mm.
9 mm.
FIG. 15
SET SCREW
FIG.16
Altitude
2,000'- 3,000'
4,000'- 5,000'
6,000'- 7,000
REMOVE ALL
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