Operating instructions
7
Dayton Operating Instructions and Parts Manual
Models 6BY71, 6BY73 and 6BY74
Installation (Continued)
3.
Connect hose to inlet con-
nector (See Figure 7). Tighten
firmly using a wrench.
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 sup-
ply valve and open it again
slowly.
5.
Check all connections for
leaks. Apply mixture of liquid
soap and water to gas joints.
Bubbles forming show a leak
that must be corrected.
6. Close propane supply valve.
Inlet
Connector
Hose
Figure 7 - Hose and Inlet Connector, Automatic
Control Valve Button and Piezo Ignitor Button
Locations
Piezo
Ignitor
Automatic Control
Valve Button
(6BY73) 80,000 AND
(6BY74) 200,000 BTU/HR
MODELS ONLY
1. Provide propane supply sys-
tem (See Propane Supply,
page 4).
2. Connect fuel gas fitting on
hose/regulator assembly
to propane tank(s). Turn
fuel gas fitting counter-
clockwise into threads on
tank. Tighten firmly using
a wrench. IMPORTANT:
Tighten regulator with vent
pointing down. Pointing
vent down protects regula-
tor from weather damage.
3. Connect hose to the valve
inlet. Tighten firmly using
a wrench. You must use
the regulator supplied with
heater even if propane
tank has one.
Figure 8 - Regulator Position
Propane
Tank
Propane
Supply
Valve
Regulator
Hose
POL Fitting
Figure 9 - Hose and Valve Inlet (200,000 Btu Model
Shown)
Hose
Valve Inlet
4. Open propane supply valve
on propane tank(s) slowly.
NOTE: If not opened slow-
ly, 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. Check all connections for
leaks. Apply mixture of
liquid soap and water to
gas joints. Bubbles forming
show a leak that must be
corrected.