Interconnecting Tubing (cont.)
For applications that are considered to have a long
line set with the outdoor unit above the indoor unit
the following is required:
• at the indoor unit
• rancase heater
• Start components maybe required depending
upon quality of voltage
• Insulated liquid and suction line
• ollow the proper line siing, equivalent length,
charging requirements, and oil level adjustments
spelled out in this document and the outdoor
units I&O
• erify adequate sub-cooling at the ID unit prior
to throttling device
OUTDOOR UNIT ABOVE INDOOR SECTION LINE SET
REFERENCE TABLE 2
FOR ELEVATION
LIMITATIONS
INSULATE LIQUID AND
SUCTION LINE
VERIFY
SUB-COOLING
PRIOR TO
THROTTLING
DEVICE
TXV OR EEV AT INDOOR
EVAPORATOR
Figure 2
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