13-25-607 Page 42
7. Install the oil filler plug and operate the unit for about a minute allowing oil to fill all areas of the
system. Check for leaks.
8. Shut down unit, allowing the oil to settle, and be certain all pressure is relieved.
9. Add oil, if necessary, to bring level to
“FULL.”
Use only CLEAN containers and funnels so no dirt enters the reservoir. Provide for clean storage of oils.
Changing the oil will be of little benefit if done in a careless manner.
Use only the replacement element shown on the filter tag or refer to the parts
list for the part number.
Excessive oil carry-over can damage equipment. Never fill oil reservoir above
the “FULL” marker.
Improper oil filter maintenance will cause damage to equipment. Replace filter
element every 1000 hours of operation. More frequent replacement could be
required depending on operating conditions. A filter element left in service too
long may damage equipment
THERMOSTATIC MIXING VALVE.
This device, housed within the compressor body, mixes hot and
cooled oil and delivers a tempered mixture to the oil filter and finally the compressor injection port - see
Fig 1-2, Page 11, for its location.
Its thermostatic element expands with heat. When oil coming for the sump is below 149ºF (65ºC) below
the valve's 158ºF (70ºC) setting, the oil flow from the cooler is blocked. Within these two temperature
limits the valve gradually mixes hot separator oil with cooled heat exchanger oil to maintain a nearly
constant injection temperature. Above this range of oil temperature, the valve blocks all hot oil and only
cooled oil is delivered.
Its nominal setting of 70ºC is stamped on the valve body. It may be verified by immersing the valve
assembly into an open container with lubricating oil, raising its temperature to its nominal setting of 131ºF
(70ºC), and checking that the element strokes fully from closed to open.)
OIL SUMP (RESERVOIR)
- This device provides the inertial separation of air and oil streams discharged
by the compressor - the bulk (98%) of the air/oil separation is done at this step. It also serves as a
holding and degassing volume for the major portion of the oil charge. It provides limited air storage for
control and gauge actuation.
Summary of Contents for APEX15-18A
Page 2: ......
Page 31: ...13 25 607 Page 29 Figure 4 6 WIRING DIAGRAM VS 575 VOLT 307UCC546 A Ref Drawing Page 1 of 4...
Page 32: ...13 25 607 Page 30 Figure 4 7 WIRING DIAGRAM VS 575 VOLT 307UCC546 A Ref Drawing Page 2 of 4...
Page 33: ...13 25 607 Page 31 Figure 4 8 WIRING DIAGRAM VS 575 VOLT 307UCC546 A Ref Drawing Page 3 of 4...
Page 34: ...13 25 607 Page 32 Figure 4 9 WIRING DIAGRAM VS 575 VOLT 307UCC546 A Ref Drawing Page 4 of 4...
Page 37: ...13 25 607 Page 35 Figure 4 10 PIPING AND INSTRUMENTATION ILLUSTRATION 301UCC797 F Ref Drawing...
Page 60: ...13 25 607 Page 58 Figure 9 6 Compressor Module Hardware 308UCC810 C Ref Drawing Page 1 of 1...
Page 69: ......
