JOHNSON CONTROLS
18
FORM 150.62-NM6 (103)
Installation
CTB1
21
13
20
13
14
13
FLOW SW
REMOTE START/STOP
PWM INPUT
LOAD LIMIT INPUT
FIG. 6 – CONTROL WIRING
CONTROL WIRING
*
* F
actory wired with optional transformer.
LD07730
LD07725
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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