Rheem FO13C Series Installation Instructions Manual page 16

INSTALLATION
Interconnecting Tubing (cont.)
VERIFY
SUB-COOLING
PRIOR TO
THROTTLING
DEVICE
For applications that are considered to have a long
line set with the outdoor unit above the indoor unit
the following is required:
• TXV at the indoor unit
• Crankcase heater (some models have factory
installed CCH's. Refer to tables on pages 13 &
14).
• Start components maybe required depending
upon quality of voltage (consistently <200vac at
outdoor unit)
16
OUTDOOR UNIT ABOVE INDOOR SECTION LINE SET
INSULATE LIQUID AND
SUCTION LINE
TXV OR EEV AT INDOOR
REFERENCE TABLE 2
FOR ELEVATION
LIMITATIONS
EVAPORATOR
• Insulated liquid and suction line in unconditioned
space only.
• Follow the proper line sizing, equivalent length,
charging requirements, and oil level adjustments
spelled out in this document and the outdoor
units I&O
• Verify at least 5°F sub-cooling at the ID unit prior
to throttling device