COMPRESSORS
CAUTION: Do Not loosen compressor mounting bolts.
COMPRESSOR CRANKCASE HEATER
5FT.MIN.
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
FIG. 2 - TYPICAL RIGGING
CLEARANCES
WARNING: Do not permit overhanging structures or shrubs to obstruct air discharge.
TABLE 2 - PHYSICAL DATA
Compressor1 | Rating, (Tons) | |
| Quantity | |
Fans | Diameter, (In.)/No. Blades | |
| Nominal CFM | |
Fan Motors2 | HP | |
RPM | ||
| ||
| Face Area, (Sq. Ft.) | |
| Rows Deep x Rows High | |
Coil | Finned Length, (In.) | |
| Tube (Copper) OD - inches | |
| Fins (Aluminum) per inch | |
Holding Charge | ||
Operating Charge 3 | ||
(Lbs.) |
| |
Pumpdown Capacity 4 | ||
| ||
Unit Weight | Shipping | |
(Lbs.) | Operating |
1These compressors are fully hermetic.
2These 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.
3Includes outdoor unit and matched indoor blower unit, but no piping. Refer to Table 6 for re- frigerant line charge.
4Based on a 95°F ambient.
POWER WIRING
NOTE:
The
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.
4 | Unitary Products Group |
