OM-DH
9
Operation
A. Controls
Operator controls for the DH kettle are:
1.
Manual gas valve (on gas line behind the unit),
which controls the supply of gas from the main to
the unit.
2.
On-Off (Toggle) Switch. This controls the supply
of electric power to the control circuits.
3.
Thermostat dial, which turns the thermostat on
or off, and sets the kettle temperature.
4.
Tilting crank, used to tilt the kettle body.
5.
Indicator Lights to alert operator of unit
conditions:
a.
Power On Indicator - shows that the unit is
turned on
b.
Heat Indicator - indicates that main gas is on
to produce steam in the kettle jacket.
c.
Low Water indicator - shows that jacket
water is low
6.
Unit gas pressure regulator adjustment - located
behind the access door in the kettle skirt.
B. Operating Procedure
1.
To Start Kettle:
a.
EVERY DAY make sure that the jacket
water level is between the markers on the
gauge glass. If the level is too low, see
“Jacket Filling and Water Treatment” on
page 13.
b.
Check the pressure gauge. If the gauge does
not show 20 to 30 inches of mercury (Hg)
vacuum (that is a reading of 20 to 30 below 0
atmospheric pressure), see “Jacket Vacuum”
on page 13.
c.
Do not attempt to light any burner with a
flame
.Turn the manual gas valve ON (align
handle with gas line).
1)
Turn toggle (on-off) switch ON. The
electronic ignition will attempt to light the
pilot for 90 seconds, or until it is lit.
Once lit, proceed to step two.
2)
Turn thermostat to desired setting. The
main gas burner will ignite, and will cycle
to maintain the set temperature. The
heat indicator light will come on.
3)
If the unit does not light, turn it off and
wait five minutes. Then follow the
instructions again.
2
To Empty Kettle:
a.
To tilt the body of the kettle forward, turn the
hand crank on the front of the cabinet
counter-clockwise. The body will stay in the
position it holds when you stop cranking. To
return the kettle body to its upright position,
turn the crank clockwise.
b.
Product may also be transferred by means of
the optional draw-off valve, if the kettle is so
equipped.
3.
To Shut Down Kettle:
a.
Turn thermostat dial to OFF.
b.
Turn toggle switch to OFF.
4.
For a prolonged shut-down:
a.
Follow the procedure above.
b.
Turn the manual gas valve off (handle at
right angles to gas line).
c.
Disconnect electric power from the unit.
