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Rheem RA14 Series User Manual

Rheem RA14 Series
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15
Tubing
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
Crankcase heater
Insulated liquid and suction line
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
INVERT TRAP
EVEN WITH TOP
OF THE COIL
INSULATE LIQUID
AND SUCTION
REFERENCE TABLE 2 FOR
MAXIMUM LENGTH LIMITATIONS
ST-A1219-02-01
LINE
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
Start components may be required depending
upon quality of voltage
Inverted vapor-line trap (Reference Figure 3)
Insulated liquid and suction line
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
Figure 4

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Rheem RA14 Series Specifications

General IconGeneral
BrandRheem
ModelRA14 Series
CategoryHeat Pump
LanguageEnglish

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