Rheem RA1460AJ1NA Installation Instructions Manual page 15

Interconnecting Tubing (cont�)
Verify sub-cooling prior
to thro ling 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
• Start components maybe required depending
upon quality of voltage
• Insulated liquid and suction line
Outdoor Unit Above Indoor Unit
Insulated liquid and
suc on line
Figure 5
• 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 adequate sub-cooling at the ID unit prior
to throttling device
INSTALLATION
Reference Table 2
for eleva on
limita ons
TXV or EEV at indoor
evaporator
15