Operating instructions

8
Dayton Operating Instructions and Parts Manual
Dayton
®
Propane Gas Convection
Construction Heater
6BY71, 6BY73 and 6BY74
6. If burner will not light
after repeated tries, do not
attempt to repair heater.
Contact a qualified service
technician.
7. When burner remains lit, you
can turn the heater regula-
tor knob counter clockwise
to the desired heat setting.
If burner goes out, turn off
gas. Check fuel supply. If
fuel supply is OK, restart
heater.
TO STOP HEATER
1. Tightly close propane supply
valve on propane tanks by
turning clockwise. Wait 15
minutes for the heater to
cool before handling heater.
2. Always remove the gas
supply hose from the heat-
er and the propane tank
after each use.
TO RESTART HEATER
1. Wait five minutes after
stopping heater.
2. Repeat steps under To Start
Heater.
(6BY73) 80,000 BTU HEATER
TO START HEATER
1. Follow all installation, ventila-
tion and safety information.
2. Locate heater on stable and
level surface. Make sure
strong drafts do not blow
on heater.
3. Make sure unit is turned
off by slightly depressing
and turning control knob
fully clockwise to OFF.
4. Open propane supply valve
on propane tank(s) slowly.
NOTE: If not opened slowly,
excess-flow check valve on
propane tank may stop gas
flow. If this happens, you
may hear a click inside the
regulator assembly, this is
the check valve closing. To
reset the excess flow check
valve, close propane supply
valve and open again slowly.
5. Slightly depress and turn
control knob counterclock-
wise to the LO position
(See Figure 10).
6. With the control knob
pushed all the way in,
press and release the piezo
ignitor button. Keep press-
ing piezo ignitor button
until the burner lights.
Hold control knob down
for a maximum of 15
seconds while attempting
ignition. If heater does not
ignite, release control knob
and wait 3 minutes before
attempting reignition.
7. After ignition, hold control
knob down for about 30
seconds. This activates the
automatic control system.
OFF
LO
MED
HI
Figure 10 - Control Knob and Piezo Ignitor
Piezo
Ignitor
Button
Control
Knob
Operating
Instructions
Review and under-
stand the warnings
in the General Safety
Information section on
page 2. They are need-
ed to safely operate
this heater. Follow all
local codes when using
this heater.
(6BY71) 25,000 BTU HEATER
TO START HEATER
1. Follow all installation, ventila-
tion, and safety information.
2. Locate heater on stable
and level surface. Make
sure strong drafts do not
blow on heater.
3. Open propane supply valve
on propane tank(s) slowly.
4. Turn the heater regulator
knob clockwise to the “HI”
position.
5. Push in and hold automatic
control valve button (See
Figure 7, page 7). Push and
release piezo ignitor
button. Keep pushing piezo
ignitor button until the
burner lights. Hold control
knob down for a maxi-
mum of 10 seconds while
attempting ignition. If heat-
er does not light, release
control knob and wait 30
seconds. Repeat step 5 to
start heater. NOTE: Keep
hands and face away from
outlet (around top of shell)
of heater while attempt-
ing to start heater. After
ignition, hold control knob
down for approximately 30
seconds. This activates the
automatic control system.