Trane R Series Installation Operation & Maintenance page 109

Fig. XI-01 – Oil System Schematic
109
Maintenance Procedures
Oil system consists of the following com-
ponents:
• Compressor
• Oil separator
• Discharge line with service valve
• Oil line from separator to compressor
• Oil line drain (lowest point in system)
• Oil cooler - optional
• Oil temperature sensor
• Oil line shut off valve with flare service
connection
Tab. XI-02 – Charge Holding Capabilities on High Side
Circuit Approximate
sump oil level
after
70 7
85
6
100 7
120 7
170 8
200 8
240 8
Circuit varies slightly with efficiency and unit configuration
• Oil filter (internal to compressor) with
flare fitting service connection and
schrader valve
• Oil flow control valve (internal to the
compressor after the filter)
• Oil return line from evaporator with shut
off valve and strainer
Refer to Table below - Table for the stan-
dard oil charge for each circuit.
NOTE: Recommendation: check the oil
level in the sump using a sight glass or a
manometer, attached to charging hoses.
Normal quantity of
oil in refrigeration
1.1 (0.14)
1.1 (0.14)
1.8 (0.23)
1.8 (0.23)
3.5 (0.44)
3.5 (0.44)
3.5 (0.44)
RTAC-SVX002A-EN