Operating instructions

10
Dayton Operating Instructions and Parts Manual
Dayton
®
Propane Gas Convection
Construction Heater
6BY71, 6BY73 and 6BY74
Inspecting Burner
(6BY71) 25,000 BTU/HR
MODELS ONLY
Heater shell, top, and
heated air from heater
is very hot during
operation. Gradually
move in closer to
heater to observe
flame color. Do not
touch heater shell or
top. Do not get too
close to heated air
from heater. Severe
burns could occur.
Burner
Tube
Primary Air
Openings
Figure 14 - Bottom View of Heater
To check for correct burner
flame, stand above but to
the side of heater and look
through the ventilation holes
in the top of the heater to
see the burner flame. Keep
a safe distance from heater
to prevent burns. The burner
flame should be mostly blue
with slight yellow coloring on
the ends. If the burner flame is
mostly yellow, the primary air
openings on the burner tube
under the heater base may be
blocked (See Figure 14).
1. Stop heater (See To Stop
Heater, page 8) and let
cool.
2. Turn heater over and
remove heat shield. Locate
the primary air openings on
the burner tube (See Figure
14). Remove any debris
blocking the primary air
openings.
3. Replace heat shield.
5. If pilot goes out, wait 5
minutes and repeat the
lighting procedure.
6. When the pilot remains lit,
open the ball valve (turn
knob counterclockwise) to
light main burner. Partially
close valve to regulate heat
output.
TO STOP HEATER
1. Securely close valve on the
propane cylinder.
2. Continue to operate heater
until all fuel in the hose has
burned.
3. Fully close the ball valve.
TO RESTART HEATER
1. Securely close valve at pro-
pane cylinder.
2. Wait 5 minutes.
3. Restart heater by following
To Start Heater, page 9.
Operating Instructions
(Continued)