49
JOHNSON CONTROLS
FORM 150.72-NM3 (1020)
ISSUE DATE 10/05/2020
SECTION 5 – TECHNICAL DATA
55
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 dis-
connecting power, PRIOR to working
on equipment.
The unit evaporator heater uses
120VAC. Disconnecting 120VAC
power from the unit, at or below freez-
ing temperatures, can result in damage
to the evaporator and unit as a result
of the chilled liquid freezing.
ELECTRICAL INFORMATION
TABLE 5 – MICROPANEL POWER SUPPLY
VOLTAGE RANGE
VOLTAGE CODE UNIT POWER MIN. MAX.
-17 200-3-60 180 220
-28 230-3-60 207 253
-40 380/415-3-60 342 440
-46 460-3-60 414 506
-50 380/415-3-50 342 440
-58 575-3-60 517 633
UNIT VOLTAGE
UNIT
VOLTAGE
CONTROL
POWER
MCA
NOTE A
OVER CURRENT PROTECTION,
SEE NOTE B
NF DISC Sw
MIN MAX
MODELS w/o
CONTROL
TRANS
115-1-60/50
15A 10A 15A 30 A / 240V
MODELS w/
CONTROL
TRANS
-17 200-1-60 15A 10A 15A 30 A / 240V
-28 230-1-60 15A 10A 15A 30 A / 240V
-40 380-1-60 15A 10A 15A 30 A / 480V
-46 460-1-60 15A 10A 15A 30 A / 480V
-50 380/415-1-60 15A 10A 15A 30A / 415V
-58 575-1-60 15A 10A 15A 30 A / 600V
A. Minimum #14 AWG, 75 °C, Copper Recommended
B. Minimum and Maximum Over Current Protection, Dual Element Fuse or Circuit Breaker
TABLE 6 – VOLTAGE RANGE
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