JOHNSON CONTROLS
37
SECTION 4 – INSTALLATION
FORM 150.67-NM2
ISSUE DATE: 01/31/2019
4
CONTROL WIRING
51
13
LOAD LIMIT INPUT
21
13
14
13
REMOTE START/STOP
FIGURE 8 - CONTROL WIRING
*
* Factory wired with optional transformer.
LD07730
LD07725B
CTB2
CTB1
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 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.
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