Power Wiring; Control Wiring - York E2FB120 Installation Manual

Split-system heat pumps outdoor units
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5 F T . M I N .
FIG. 2 - TYPICAL RIGGING
CLEARANCES
WARNING: Do not permit overhanging structures or shrubs to
obstruct air discharge.
TABLE 2 - PHYSICAL DATA
1
Compressor
Rating, (Tons)
Quantity
Fans
Diameter, (In.)/No. Blades
Nominal CFM
HP
2
Fan Motors
RPM
Face Area, (Sq. Ft.)
Rows Deep x Rows High
Coil
Finned Length, (In.)
Tube (Copper) OD - inches
Fins (Aluminum) per inch
Holding Charge
Refrigerant-22
Operating Charge
(Lbs.)
Pumpdown Capacity
Shipping
Unit Weight
(Lbs.)
Operating
1
These compressors are fully hermetic.
2
These PSC motors are directly connected to the outdoor fans and have inherent protection,
ball bearings and a 48 frame. Rotation (when viewing the shaft end of the motor) - 090=CW,
120=CCW.
3
Includes outdoor unit and matched indoor blower unit, but no piping. Refer to Table 6 for re-
frigerant line charge.
4
Based on a 95°F ambient.
4
-1/2 TON UNIT SHOWN
3
4
COMPRESSORS
CAUTION: Do Not loosen compressor mounting bolts.
COMPRESSOR CRANKCASE HEATER
CAUTION: Do not attempt to start the compressor without at
least eight hours of crankcase heat or compressor
damage will occur.
If a unit has just been installed or the unit disconnect switch has
been open for a long period of time, move the system switch on
the room thermostat to the "OFF" position before closing the
unit disconnect switch. Eight hours of crankcase heat are re-
quired to drive the liquid refrigerant out of the compressor bef-
ore the compressor can be started.
POWER AND CONTROL WIRING

POWER WIRING

Copper conductorsmust be installed between the dis-
NOTE:
connect switch and the unit.
The field-supplied disconnect switch must be suitable for an
outdoor location. Although it should be installed near the unit,
do NOT secure it to the unit cabinet.
Refer to Figure 3 for typical field wiring.

CONTROL WIRING

Refer to Figure 4 for the location of the control wire access
opening through the front of the unit.
Unitary Products Group

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