Ingersoll-Rand EP50-PE Operating Instructions - Intellisys Option, Star - Delta Wiring Schematic

OPERATING INSTRUCTIONS – INTELLISYS OPTION 37

STAR – DELTA WIRING SCHEMATIC

DRYER OPTION

SEE NOTES 1 & 2

PORO OPTION

DRYER OPTION

LEGEND

3APT	Sensor, presure, line/sump	3M	Contactor, dryer compressor (option)
2ATT	Sensor, temperature, airend discharge	4M	Contactor, dryer fan (option)
		MMS	Starter & overload, fan motor
3ATT	Sensor, temperature dryer air (option)
COM	Port, communications / test / service / sequencer	MMSa	Contact, fan motor overload
CPT	Transformer	MOD	Option, modulation control
EDV	Valve, electric drain	1MTR	Motor, compressor
ES	Switch, emergency stop	2MTR	Motor, fan
FOL	Overload, internal fan (option)	3MTR	Motor, dryer compressor (option)
1FU, 2FU	Fuses, primary voltage	4MTR	Motor, dryer fan (option)
3FU	Fuse, secondary voltage	OL	Overload, main motor
4FU, 5FU	Fuses, low voltage	OLa	Contact, main motor overload
6FU,	Fuses, dryer fan (option)	3OL	Overload, dryer compressor (option)
7FU, 8FU		OM	Module, option
HATS	Switch, high air temperature.
		PORO	Horn, power outage (option)
1M	Contactor, main
		RAC	Contacts, remote alarm, (option)
1Ma	Contact, aux. main contactor
		RCI	Supressor
2M	Contact, delta
		1RPS	Switch, high refrigerant pressure (option)
2Ma	Contact, aux. delta contactor
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