Marco FRIIA 1000860 Series, Service Manual

Page: 24 / 46

FRIIA Service manual Page 24
Carbonation Pump Electronic Control Unit
To replace the carbonation pump ECU, disconnect the wirings from the ECU, and undo the
screw (a) located on the top side of the bracket; the ECU can be removed for maintenance.
During removal, be careful not to damage the electric wiring or the refrigeration group
pipes.
For reassembly, repeat the same operations in reverse order paying attention to
assembling the electrical connections in the correct order.
a
GN/YE Ground connection
RD – Carbonator Level mn
BK – Carbonator Level max
BK – Carbonation Pump Motor
BK – Carbonation Pump Motor
/ BU – 230Vac (Piggy back) from main switch
BU – 230 Vac (Piggy back) to Main Elecronic Board
BN – 230 Vac (Piggy back) to Main Elecronic Board
\ BN – 230Vac (Piggy back) from main switch
NC
NC
NC
NC