Scotsman FME1500R Manual de servicio descargar pdf (Pagina 13)

COMPONENT DESCRIPTION: Control Box

Contactor: A definite purpose contactor

connecting the compressor and the remote

condenser fan motor to the power supply.

Circuit Board: Controlling the ice machine

through sensors and relays. The sensors are: ice

level, and water level. The relays are for the gear

motor (with a built in time delay to clear the

evaporator of ice when the unit turns off) and for

the liquid line valve.

Transformer: Supplies low voltage to the circuit

board.

Pump Down Control: A switch to control the

compressor, depending upon low side pressure:

closes at 30 PSIG, and opens at 15 PSIG.

Potential Relay: The compressor start relay.

On/Off Switch: Manual control for the machine.

PUMP DOWN

CONTROL

SWITCH

OF/OFF

SWITCH

CONTACTOR

POTENTIAL

RELAY

TRANSFORMER

CIRCUIT

BOARD

FME1500R

June 1995

Page 13

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Scotsman FME1500R Manual de servicio Pagina 13