Johnson Controls YORK YK Style G OPTIVIEW User Manual

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
Figure 12 on Page 23).
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 Figure 12 on
Page 23).
3. Assemblethenewlter-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

Johnson Controls YORK YK Style G OPTIVIEW Specifications

General

Brand	Johnson Controls
Model	YORK YK Style G OPTIVIEW
Category	Chiller
Language	English