Ruud RD17AZ - Outdoor Unit Above Indoor Coil

20
Tubing
4.0 INSTALLATION
For applications with the outdoor unit above the in-
door coil the following is required:
• Insulated liquid line in unconditioned space only.
• Follow the proper line sizing, maximum linear and
equivalent length, maximum vertical separation,
charging requirements, and oil level adjustments
spelled out in this document.
• Insulated vapor line full length.
• Verify at least 5°F [2.8ºC] of liquid subcooling at
the outdoor unit prior to expansion device in the
heating mode.
4.5.2.3 Outdoor Unit Above Indoor Coil
OUTDOOR UNIT ABOVE INDOOR SECTION LINE SET
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ST-A1345-08-00
Figure 5