
JOHNSON CONTROLS
23
FORM 160.75-O1 (211)
SECTION 4 - OPERATIONAL MAINTENANCE
OIL RETURN SYSTEM
The oil return system continuously maintains the
proper oil level in the compressor oil sump (Refer to
High pressure condenser gas flows continuously
through the eductor inducing the low pressure, oil rich
liquid to flow from the evaporator, through the dehy-
drator to the compressor sump.
CHANGING THE DEHYDRATOR
To change the dehydrator, use the following procedure:
1. Isolate the dehydrator at the stop valves.
2. Remove the dehydrator (Refer to
3. Assemble the new filter-drier.
4. Open evaporator stop valve and check dehydrator
connections for refrigerant leaks.
5. Open all the dehydrator stop valves.
4
OIL EDUCTOR BLOCK
SOLENOID VALVE
SOLENOID VALVE
DEHYDRATOR
STOP VALVE
STOP VALVE
CHECK VALVE
COMPRESSOR
FIGURE 12 -
OIL RETURN SYSTEM
LD08578
Содержание YORK YK Style G OPTIVIEW
Страница 38: ...JOHNSON CONTROLS 38 FORM 160 75 O1 111 NOTES ...
Страница 242: ...FORM 160 54 O1 ISSUE DATE 9 10 2014 JOHNSON CONTROLS 202 SECTION 3 DISPLAY MESSAGES THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 258: ...FORM 160 54 O1 ISSUE DATE 9 10 2014 JOHNSON CONTROLS 218 NOTES ...
Страница 266: ...JOHNSON CONTROLS 6 FORM 160 75 N1 ISSUE DATE 4 30 2014 THIS PAGE INTENTIONALLY LEFT BLANK ...