Section 3; Safety Precautions; Operating Controls And Indicators; Figure 11 Operating Controls - Stoelting U431 Owner's Manual

3.1 SAFETY PRECAUTIONS

SAFE OPERATION IS NO ACCIDENT; observe these
rules:
A. Know the freezer. Read and understand the operat-
ing instructions.
B. Notice all warning labels on the freezer.
C. Wear proper clothing. Avoid loose fitting garments,
and remove watches, rings or jewelry which could
cause a serious accident.
D. Maintain a clean work area. Avoid accidents by
cleaning the area and keeping it clean.
E. Stay alert at all times. Know which switch, push
button or control you are about to use and what
effect it is going to have.
F. Disconnect electrical power for maintenance.
Never attempt to repair or perform maintenance on
the freezer until the main electrical power has been
disconnected.
G. Do not operate under unsafe operating condi-
tions. Never operate this freezer if unusual or exces-
sive noise or vibration occurs.

3.2 OPERATING CONTROLS AND INDICATORS

Before operating the freezer, it is required that the opera-
tor know the function of each operating control. Refer to
Figure 11 for the location of the operating controls on the
freezer.
Freezing
Standby-
Clean-
Serve Dispense Rate
Off-Serve
Adjusters
Low Mix
Cab
Light
Off-On
Cab Indicator
Pump Switch
Light
Figure 11. Operating Controls
WARNING
The CLEAN-OFF-SERVE switch must be placed
in the OFF position when disassembling for
cleaning or servicing. The freezer must be dis-
connected from electrical supply before remov-
ing any access panel.

SECTION 3

INITIAL SET-UP AND OPERATION
A.
B.
C.
D.
Standby-
Serve
Clean-
Off-Serve
E.
L o w
Mix
F.
Light
G.
9
Spigot Switch
When the spigot handle is opened the SPIGOT
switch will start the auger drive and refrigeration
systems. When the spigot handle is closed, the drive
Clean-Off-Serve Switch
The CLEAN-OFF-SERVE switch is a three position
toggle switch used to control the operation of the
refrigeration system and auger. When the switch is
placed in the CLEAN position, the refrigeration sys-
tem will be off and auger will rotate for cleaning.
When the switch is placed in the OFF position, the
refrigeration system and auger will not operate.
When the switch is placed in the SERVE position,
the refrigeration system and auger will operate auto-
matically. The switch should be placed in the SERVE
position for normal operation.
Cabinet-Off-On Switch
The CABINET-OFF-ON switch is a two position
toggle switch. When the switch is placed in the OFF
position, the lower cabinet refrigeration system will
not run. When the switch is placed in the ON
position, the lower cabinet refrigeration system will
run until the preset temperature is reached; then
cycle ON and OFF to maintain that temperature.
Cab Indicator Light
A flashing light indicates the cab OFF-ON switch is
in the OFF position, no refrigeration. Place the OFF-
ON switch in the ON position for cab refrigeration.
Pump Switch
The pump motor switch is a two position toggle
switch. When the switch is placed in the OFF
position, the pump will not run. When the switch is
placed in the ON position, the pump will run until the
preset pressure is reached, then cycle ON and OFF
as product is drawn to maintain that pressure.
Standby/Serve Switch
The standby/serve switch is a two position toggle
switch. When the switch is placed in the Standby
position the freezer will cycle to maintain a
temperature below 41°F. When the switch is in the
Serve position the freezer will cycle to maintain a
servable product.
Freezing Switch
The freezing switch is a two position toggle switch.
When the switch is placed in the ON position
the freezer will be forced to run 30 seconds after the
temperature control is satisfied.