Technical Manual 26
1. Brew relays:
Control voltage to the brew tank heating elements.
2. Pump wires:
Carries 220v to the pump motors from the electrical box. Contains 3 wires: black
(110v), white (110v) and green (ground). A fourth wire (Red), is used for bypass system control
when appropriate.
3. Power wire:
Provides 220v power to machine.
4. Lid safety switch:
Safety device which cuts power to the control board when the lid is removed.
5. Pump relays:
Controls voltage to the pump motors.
6. Element breaker:
Controls voltage to all heating elements in the machine.
7. Electronics power switch:
Turns the machine off and on. If the machine is plugged into an electrical source, the
light will be lit red in the “On” position.
8. Conduit Tube:
Tube containing power and signal lines to elements, switches and valves.
9. Power board:
Controls heating elements, valves and level/ll system.
10. Ribbon cable:
Transfers signals from display board to power board. Volumetrics and shot timers use
additional ribbon cables.
11. Level probe wires and connectors:
Connect level probes to power board and ground.
12. Temperature probe connections:
Connect temp probes to display board.
13. Steam tank element relays:
Controls voltage to steam tank heating elements. Located on lid.
14. Heat sink:
Dissipates heat produced by the element relays. Located on lid.
ELECTRONIC SYSTEM
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