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6
ELECTRICAL DATA
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death and/or property damage
DO NOT alter cord or plug or use an extension cord.
!
WARNING
IMPORTANT: For 265V units, if power cord
long and must plug into the accessory electrical
265V subbase.
Be sure that your outlet matches the appropriate blade
configuration of the plug and that it is within reach of
the service cord.
All wiring, including installation of the receptacle,
must be in accordance with the NEC and local codes,
ordinances and regulations. National codes require
the use of an arc fault or leakage current detection
device on all 208/230V power cords. Be sure to select
the correct cord for your installation.
ALL UNITS
Wire
Size
Use recommended wire size given in Table 1 and
install a single branch circuit. All wiring must
comply with local and national codes. All units are
designed to operate off ONE single branch circuits
only.
NOTE: Use copper conductors only.
Table 1—SUGGESTED BRANCH CIRCUIT WIRE SIZES*
NAMEPLATE AMPS
AWG WIRE SIZE†
7.0 to 12 14
12.1 to 16 12
16.1 to 24 10
LEGEND
AWG --- American Wire Gauge
* Single circuit from main box.
† Based on copper wire at 60
˚
C temperature rating.
Grounding
For safety and protection, the unit is grounded
through the service cord plug or through separate
ground wire provided on hard wired units. Be sure
that the branch circuit or general purpose outlet is
grounded.
VOLTAGE SUPPLY
Check voltage supply at outlet. For satisfactory
results, the voltage range must always be within the
ranges found on the data information plate.
Cord--connected
Units
for the standard 208/230--v units and be within reach
of the service cord. The standard cord--connected
265--v units require an accessory electrical subbase
for operation. Refer to Table 2 for proper receptacle
and fuse type.
Power Cord
Protection
The power cord for 208/230v units provide power
cord fire protection
. Unit power automatically
disconnects when unsafe conditions are detected.
Power to the unit can be restored by pressing the reset
button on plug head.
Upon completion of unit installation for 208/230V
models, an operational check should be performed
using the TEST/RESET buttons on the plug head.
NOTE: The 265v models do not incorporate this
feature as they require use of the electrical subbase
accessory.
Table 2—RECEPTACLES AND FUSE TYPES -- 250, 265 VOLTS
RECEPTACLE
AMPS 15 20 30 15 20 30
RATED VOLTS 250 250 250 265 265 265
TIME--- DELAY TYPE FUSE (or
HACR Circuit Breaker)
15 20* 30 15 20 30
LEGEND
HACR --- Heating, Air Conditioning, Refrigeration
* May be used for 15---amp applications if fused for 15 amps.
accessory option is selected, the cord is only 18 inches
The 208/230-v field supplied outlet must match the plug
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