Ruud RD17AZ - Relative Location of Indoor and Outdoor Units; Outdoor Unit Level or Near Level to Indoor Coil Line Set

18
Tubing
4.5 Line Set Installation (cont.)
4.0 INSTALLATION
4.5.2 Relative Location of Indoor and Outdoor Units
4.5.2.1 Outdoor Unit Level or Near Level to Indoor Coil Line Set
REFERENCE TABLE 2 FOR
MAXIMUM LENGTH LIMITATIONS
IDEALLY, LINE SET SLOPES AWAY
FROM OUTDOOR UNIT. VERIFY
SUB-COOLING PRIOR TO EXPANSION
DEVICE, INSULATED LIQUID LINE IN
UNCONDITIONED SPACE FOR
LONG LINE APPLICATIONS.
INSULATED VAPOR LINE FULL LENGTH
ST-A1345-06-00
Figure 3
For applications with the outdoor unit and indoor
unit on the same level the following is required:
• Insulated liquid line in unconditioned space only.
• Insulated vapor line full length.
• Vapor line should slope toward the indoor unit.
(Reference Figure 3)
• Follow the proper line sizing, maximum linear and
equivalent length, charging requirements, and oil
level adjustments spelled out in this document.
• Verify at least 5°F [2.8°C] sub-cooling at the in-
door unit prior to expansion device.