Control Wiring; Figure 16 - Control Wiring - York YCWL0056SE Installation Operation & Maintenance

SECTION 4 – INSTALLATION
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.

FIGURE 16 - CONTROL WIRING

42

CONTROL WIRING

13
20
13
51
13
14
13
21
CTB1
PWM/LL2
REMOTE START/STOP
FLOW SW
LOAD LIMIT INPUT
LD14516
*
* Factory wired with optional transformer.
The unit evaporator heater uses 120VAC.
Disconnecting 120VAC 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.
FORM 201.26-NM1
ISSUE DATE: 1/19/2018
LD13705
JOHNSON CONTROLS