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Control Board and Membrane Control Panel
FUNCTIONS OF THE CONTROL BOARD
1. GEAR MOTOR SPEED is a powder dispensing adjustment and is
accessed by mode level no. 1 when programmed.
2. PRESET DISPENSING Product is dispensed at a measured amount when
the PUSH button is pressed.
3. MANUAL DISPENSING allows the user to dispense product for as long
as the PUSH button is pressed.
4. STOP will cancel a preset dispense cycle.
5. WASH CYCLE is used in conjunction with a PUSH button, to flush the whipper
chambers.
6. HOT WATER DISPENSING for tea, hot chocolate or other instant beverages (available on some models, not shown).
PROGRAMMING
Programming Mode PC-2D, PC-3D, PC-4D
To enter the programming mode, press and hold any two of the PUSH buttons on the membrane control panel simultaneously, until all lights start blinking. Then release the buttons
and choose any mode of operations for any of the PUSH buttons. Press STOP button if both PUSH buttons were not pressed simultaneously.
Programming Mode PC-1D
To enter the programming mode, press and hold the PUSH button and the STOP/WASH button on the membrane panel simultaneously, until the
indicator light starts blinking. Then release the buttons and choose any mode of operation. Press STOP/WASH button if both buttons were not
pressed simultaneously.
While in the programming mode you may perform the following three functions:
1. Powder Dispensing Mode. Controls dispensing powder anywhere from 10% to 100% by volume. Press and hold the selected PUSH
button for approximately one second, then release. The number of flashes represent the set volume for this button (see table). To change
the volume, press and hold the button until its light starts quick flashing. Each quick flash increases the volume by 10%. Release the
button when the desired volume is achieved. After releasing the button, the number of blinks represent the new setting. To exit the Powder
Dispensing Mode, push one of the other PUSH buttons.
2. Preset Liquid Dispensing Mode. This mode allows you to set the time for automatic dispensing. To select or change the timing while in the
programming mode, press and hold the selected PUSH button until the liquid begins to flow, then release. The timing starts when liquid
begins to flow. When the desired volume is achieved, press once again to stop the dispensing. You have now set the timing for this button and have exited the programming
mode. If you press the selected button, it will dispense the liquid per your setting. To reset the timing, you must start from the programming mode.
3. Manual Liquid Dispensing Mode. While you are in the programming mode, press and hold the PUSH button, until the liquid stops flowing, then release the button. At this
time, you have selected the Manual Liquid Dispensing Mode and have exited the programming mode.
Wash Cycle Mode. To wash a whipping chamber, hold the STOP/WASH button and press the PUSH button. Rinse water will dispense for as long as you hold in the STOP/WASH
button. The STOP/WASH button stops the dispensing in automatic dispensing mode.
HEATING ELEMENT TOGGLE SWITCH
The heating element in the heating tank may be turned off in the Primo Cappuccino to allow the operator to use the unit for cold drinks. Located behind
the unit are two toggle switches. The one on the bottom is the power switch for shutting down the complete unit. The top switch powers the heating ele-
ment. Flip down to turn it OFF. Up turns ON the element.
ADJUSTING THE TEMPERATURE:
The water level/temperature circuit board, WC-3777, serves two functions. As the name implies, it is both a thermostat and water level control. This
electronic board maintains the water level using a probe in the tank. Water temperature in the tank is controlled by a sensor bolted on the outside of the
tank, just under the heating element terminals.
1. Open the front door. Remove the hinged top cover.
2. Remove the left side panel.
3. Locate the water level/temperature board, on the left side of the frame.
4. Near the center of the board you will find a pair of tiny 'shorting plugs' attached to two pairs of pins (see
illustration, right). Just above this is a chart that displays the various combinations you may choose that will
give you temperatures between 170º F and 200º F. Pull out or insert the shorting plug in any configuration that
will result in the desired temperature.
5. Return the side panel and cover to on the unit.
DAILY CLEANING
1. Wipe all exterior surfaces with a damp cloth; removing any spills, dust or debris from the unit.
2. Pull out the drip drawer and screen. Wash out its contents. For hard to clean deposits, use a mild, nonabrasive solution of dishwashing detergent and water.
3. Clean around the dispensing area, wiping with a nontoxic cleaner.
2
Factory Setting 190º
NO. OF
FLASHES
VOLUME
1
10%
2
20%
3
30%
4
40%
↓
↓
10
100%
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