Maximum Length Of Lines - Rheem P16 Series Installation Instructions Manual

INSTALLATION
Interconnecting Tubing (cont.)
For applications that are considered to have a long
line set with the outdoor unit and indoor unit on the
same level the following is required:
• TXV or EEV on the indoor unit
• Start components may be required depending
upon quality of voltage (consistantly <200vac at
outdoor unit)
• Crankcase heater (Some models have factory in-
stalled CCH's. Refer to tables on pages 14 and 15.)
For applications that are considered to have a long
line set with the outdoor unit below the indoor unit
the following is required:
• TXV or EEV at the IDunit
• Crankcase heater (Some models have factory
installed CCH's. Refer to tables on pages 14
and 15.)
• Start components may be required depending
upon quality of voltage (consistantly <200vac at
OD unit)
• Refrigerant lines should be routed even with the
top of the ID coil or an inverted trap is to be ap-
16
• Insulated liquid and suction line or uncondi-
tioned space only.
• Vapor line should slope toward the indoor unit
• 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
OUTDOOR UNIT BELOW INDOOR SECTION LINE SET
ROUTE
REFIGERANT LINES
EVEN WITH TOP OF
COIL OR INSTALL
INVERTED TRAP.
INSULATE
LIQUID AND
SUCTION LINE
Figure 4
plied (refer to fi gure 4).
• Insulated liquid and suction line in uncondi-
tioned 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
• Measure pressure at the liquid line service valve
and prior to expansion device. Verify that it is
not greater than 50 PSI
• For elevations greater that 25' can expect a
lower sub-cooling
REFERENCE TABLE 2 FOR
MAXIMUM LENGTH
LIMITATIONS
ST-A1219-02-02