Control Wiring - York MILLENNIUM YCAL0043SC Manual

Installation
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CTB1
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.
FIG. 5 – CONTROL WIRING
16

CONTROL WIRING

FLOW SW
REMOTE START/STOP
PWM INPUT
LOAD LIMIT INPUT
LD03819
*
115V - 1PH - 50Hz
* Factory wired with optional transformer.
YORK INTERNATIONAL
LD04361