Vollrath O431RC - Manual (Page 19)

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A. Prepare 2 gallons of sanitizing solution following
the manufacturer’s instructions. Pour it into a
clean container and place the container into the
cabinet. Put the mix pick-up tube in the sanitizer.
B. Place the mix pump switch in the ON position and
open the air bleed valve on the front door by
pushing the valve in and holding (see Figure 3-8).
C. Let sanitizing solution fill the freezing cylinder to
the air bleed valve. Close the valve by pulling it out
to lock it into place.
D. Place the Main Power OFF/ON and Freezing
Cylinder OFF/ON switches in the ON position.
Press the CLEAN button.
E. Check for leaks when the freezing cylinder is first
pressurized with sanitizing solution.
1. Check for leaks at the front door seals.
2. Check the drain tray located in the front panel
for leaks coming from the rear of the rear auger
seal.
3. Check the inside of the cab unit for leaks at the
hose connections.
F. Using a sanitized soft bristle brush (or equivalent)
dipped in sanitizing solution, clean the mix
container.
G. After five minutes, open the spigot to expel
sanitizing solution. Drain all of the solution from
the machine.
H. When the solution has drained, press the CLEAN
button to stop the auger and place the Main Power
OFF/ON and Freezing Cylinder OFF/ON switches
in the OFF position. Allow the freezing cylinder to
drain completely.
The machine is now sanitized and ready for adding mix.
3.10 INITIAL FREEZE DOWN AND OPERATION
Every Stoelting soft serve machine needs to be set on site.
The following adjustment will provide optimal product
consistency while prolonging product life.
NOTE
The machine is designed for correct operation in am-
bient temperatures between 50°F and 110°F. Tem-
peratures out of that range may cause refrigeration
problems and product quality issues.
A. ADDING MIX
1. Sanitize the machine immediately before use.
2. Make sure the Freezing Cylinder OFF/ON switch
is in the OFF position.
3. Fill the mix container in the cab with at least 2.5
gallons of mix.
4. Attach the mix inlet probe to the container and
place the container in the refrigerated cab.
5. The mix pump switch is located inside the cab
unit. Place it in the ON position.
6. Place a container under the spigot and open the
spigot to allow the mix to flush out about 8 ounces
(0.23 liters) of sanitizing solution and liquid mix.
Close the spigot.
7. Open the air bleed valve on the front door by
pressing and holding. Hold the valve open until
the mix level in the freezing cylinder is 1/2” from
the air bleed valve.
B. PREPARING THE INTELLITEC CONTROL
8. On the IntelliTec control, press and hold the SEL
button for 8 seconds. While still holding the SEL
button, press the up arrow (
⇑) button. The LCD
will read “DISPLAY”.
9. Press the left arrow (
⇐) button once. The display
will read “BASIC”.
10. Press the up arrow (
⇑) button once. The display
will read “CutOut amps”.
11. Press the SET button. A cursor will start blinking
under the far right digit.
12. Change the value to 8.0. Press the left arrow (
⇐)
button to move the cursor. Press the up arrow (
⇑)
button to increase the digit. When a digit reaches
9, pressing the up arrow (
⇑) button again will
change the value to 0.
13. After entering 8.0, press SET to save this value.
The LCD will read “CutOut Set -- OK”.
14. Press the SEL button. The LCD will read “CutOut
amps 8.0”.
15. Press the SEL button twice. The LCD will read
“DISPLAY”.
16. Press the up arrow (
⇑) button to navigate to the
“°F” and “amps” readings.
C. INITIAL FREEZE DOWN
17. Place the Freezing Cylinder OFF/ON switch in the
ON position.
18. Press the PUSH TO FREEZE button.
Figure 3-8 Air Bleed Valve
Air Bleed
Valve