OM-HH
9
Make sure the kettle shows at least 20
inches of vacuum when cold.
IMPORTANT:
BE SURE ALL OPERATORS READ, UNDERSTAND AND FOLLOW THE OPERATING
INSTRUCTIONS, CAUTIONS AND SAFETY INSTRUCTIONS CONTAINED IN THIS MANUAL.
WARNING
AVOID ALL DIRECT CONTACT WITH HOT SURFACES. DIRECT SKIN CONTACT COULD RESULT
IN SEVERE BURNS.
AVOID ALL DIRECT CONTACT WITH HOT FOOD OR WATER IN THE KETTLE. DIRECT CONTACT
COULD RESULT IN SEVERE BURNS.
Operation
A. Controls
Operator controls for the HH/4 kettle are:
1. Main gas valve, which controls the supply of
gas from the main to the unit.
2. ON/OFF (toggle) switch. This switch controls
electrical power to the control circuits.
3. Thermostat dial, which turns the thermostat
on or off and sets the operating temperature
of the kettle.
4. Reset button, used in lighting the pilot burner
(on standing pilot model only).
Refer to the photograph in the “Equipment
Description” section of this manual for the location
of controls and other features.
B. Operating Procedure
WARNING
KEEP KETTLE AREA FREE AND CLEAR OF
ALL COMBUSTIBLE MATERIALS.
1. To Start Kettle
a. CHECK THE
WATER LEVEL IN
THE JACKET
EVERY DAY. The
level must be
between the lines
on the gauge glass.
If the level is low,
see "Jacket Filling”
on Page 13.
b. While the kettle is
cold, check the
pressure gauge. If
the gauge does not
show 20 or more inches of vacuum
(that is, a reading of 20 to 30 below 0),
see "Jacket Vacuum" on Page 13 of
this manual.
c. Make sure the strainer is covering the
draw-off outlet at the bottom of the
kettle.
d. Set both the toggle (ON/OFF) switch
and the thermostat dial to “OFF”.
e. If the unit has just been turned off,
allow 5 minutes for unburned gas to
clear, before you turn the kettle on
again.
f. Turn the gas valve ON (handle lined up
with gas pipe), if it is not already on.
g. If you are using Model HH/4E with
electronic spark ignition, or if you are
using a Model HH/4 unit with the pilot
burner already lit, all you have to do to
start heating the kettle is:
(1) Press the ON/OFF switch to “ON.”
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