Johnson Controls YORK Tempo YLAA Series - User Control Wiring Inputs; Fig. 10

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FORM 150.72-NM1 (1020)

JOHNSON CONTROLS

FIG. 10 – CONTROL WIRING INPUTS

USER CONTROL WIRING INPUTS

It is possible that multiple sources

of power can be supplying the unit

power panel. To prevent serious in-

jury or death, the technician should

verify that NO LETHAL VOLTAGES

are present inside the panel AFTER

disconnecting power, PRIOR to work-

ing on equipment.

The unit evaporator heater uses

120VAC. Disconnecting 120VAC

power from the unit, at or below freez-

ing temperatures, can result in dam-

age to the evaporator and unit as a

result of the chilled liquid freezing.

LD13130

XTBC1

A-

A+

INTERNAL WIRING TO OPTIONAL REMOTE TEMP. RESET BOARD

FLOW SWITCH

REMOTE UNLOAD STEP 1

PWM REMOTE TEMP RESET

INTERNAL WIRING TO 2-KCR CONTROL RELAY

INTERNAL WIRING TO 1-KCR CONTROL RELAY

REMOTE START / STOP

All externally supplied contacts must

be capable of switching 24 VDC / 115

VAC. Gold contacts are recommended.

If supplied contacts are from a Relay

/ Contactor (Inductive Load), the coil

of the Relay / Contactor must be sup-

pressed. Typical suppressor is P/N

03100808000.

WIRING FOR OPTIONAL REMOTE TEMP RESET (4-20 MA, 0-10VDC)

Johnson Controls YORK Tempo YLAA Series - User Control Wiring Inputs; Fig. 10 - Control Wiring Inputs