York YCAL0080SC - Manual (Page 14)

YORK INTERNATIONAL 14
Control Panel
*Circuit # 2 Circuit # 1
See electrical note 9
Power Panel
Field 120-1-60 Micropanel
Power Supply if control
transformer not supplied
Micropanel
Field Unit Power
Supply
GRD 1L1 1L2 1L3 2L1 2L2 2L3
GRD
2
L
CTB2
13 14
CTB1
Flow Switch
FIG. 2 – MULTI POINT POWER SUPPLY WIRING
STANDARD POWER SUPPLY WIRING – (0014 - 0080)
Electrical Notes and Legend located on Page 18 and 19.
LD04483
IT IS POSSIBLE THAT MULTIPLE SOURCES OF POWER CAN BE SUPPLYING
THE UNIT POWER PANEL. TO PREVENT SERIOUS INJURY OR DEATH, THE
TECHNICIAN SHOULD VERIFY THAT NO LETHAL VOLTAGES ARE PRESENT
INSIDE THE PANEL AFTER DISCONNECTING POWER, PRIOR TO WORKING ON
EQUIPMENT.
THE UNIT EVAPORATOR HEATER USES 120 VAC. DISCONNECTING 120 VAC
POWER FROM THE UNIT, AT OR BELOW FREEZING TEMPERATURES, CAN
RESULT IN DAMAGE TO THE EVAPORATOR AND UNIT AS A RESULT OF THE
CHILLED LIQUID FREEZING.
Installation