Rheem ECONET RP2048BJVCA User Manual

12
Tubing
4.0 INSTALLATION
4.4.2.5 Oil Level Adjustments for
Long Line Set Applications
Additional oil will need to be added if refrigerant is
added during installation. Below is the equation for
the oil level adjustment and the compressor name
plate oil charge for the dierent outdoor units.
Oil to be Added = [(Charge Adjustment + OD
Unit Name Plate Refrigerant Charge (oz.)) ×
(0.022) – [(0.10) × (Compressor Name Plate Oil
Charge (oz.))]
Example: An application requires 125ft of line set
with a liquid line diameter of 3/8”, Charge Adjust-
ment = 66 oz., Name Plate Charge = 212 oz.,
Name Plate Oil Charge = 40 oz., Oil to be Added =
((66 oz. + 212 oz.) × .022) – (.10 × 40 oz.) = 2 oz.
4.4.2.6 Capacity Losses
Long line lengths can result in a reduction in
capacity due to vapor line pressure drop and heat
gain or loss. Refer to Table 2 for capacity loss
multipliers for various vapor line diameters and
equipment line lengths. This table does not ac-
count for any capacity loss due to heat gain or loss
from the environment. It is extremely important
not to oversize the vapor line to minimize capacity
loss at the expense of proper oil return. If the table
shows an “NR” for a particular vapor line diameter
and length, or, if a vapor line diameter is not listed,
oil return will not be adequate.
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Table 1
Refrigerant tubing is measured in terms of actual
length and equivalent length. Actual length is used
for refrigerant charge applications. Equivalent
length takes into account pressure losses from
tubing length, ttings, vertical separation, acces-
sories, and lter dryers. The table below references
dierent commonly used equivalent lengths.
4.4.3 Line Set Length and Fitting Losses

Rheem ECONET RP2048BJVCA Specifications

General

Brand	Rheem
Model	ECONET RP2048BJVCA
Category	Heat Pump
Language	English