York MILLENNIUM YCAL0043SC Manual page 13

Air-cooled liquid chillers hermetic scroll

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Standard Power Supply Wiring – (YCAL0043 - 0253)

*Models YCAL0117 - 0253 Only (Models YCAL0043 - 0107 are Single Point)

IT IS POSSIBLE THAT MULTIPLE SOURCES OF POWER CAN BE SUP-

PLYING THE UNIT POWER PANEL. TO PREVENT SERIOUS INJURY

OR DEATH, THE TECHNICIAN SHOULD VERIFY THAT NO LETHAL

VOLTAGES ARE PRESENT INSIDE THE PANEL AFTER DISCONNECT-

ING POWER, PRIOR TO WORKING ON EQUIPMENT.

THE UNIT EVAPORATOR HEATER USES 115 VAC. DISCONNECTING

115 VAC POWER FROM THE UNIT, AT OR BELOW FREEZING TEM-

PERATURES, CAN RESULT IN DAMAGE TO THE EVAPRORATOR AND

UNIT AS A RESULT OF THE CHILLED LIQUID FREEZING.

Electrical Notes and Legend located on Page 17 and 18.

FIG. 2 – STANDARD POWER SUPPLY WIRING

YORK INTERNATIONAL

Power Panel

Circuit # 1

*Circuit # 2

See electrical note 9

Control Panel

Micropanel

CTB2

13 14

CTB1

Field 115 -1-50 Micropanel

Power Supply if control

transformer not supplied

Field Unit Power

Supply

FORM 150.62-NM2

Flow Switch

LD04511

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