16
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
INSTALLATION
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:
• 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)
• 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
Tubing
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