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FORM 160.87-OM1
ISSUE DATE: 8/24/2018
FIGURE 7 - ECONOMIZER SYSTEM SCREEN
OVERVIEW
This screen displays all parameters related to the Econ-
omizer feature.
The YK-EP Economizer feature is an optional feature
and if so equipped, it must be enabled on the SETUP
Screen. Once enabled, this screen is accessible from
the System Screen.
DISPLAY ONLY
Discharge Temperature
Displays the temperature of the refrigerant vapor at the
discharge of the Primary Compressor before the refrig-
erant enters the condenser.
Primary % Full Load Amps
Displays the percentage of full load amps (FLA) uti-
lized by the primary motor.
Primary Current Limit
Displays the primary active motor current limit in per-
centage of Full Load Amps.
JOHNSON CONTROLS
SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
ECONOMIZER SYSTEM
Primary PRV Position
Displays how open the PRV vanes are in percentage
from 100% (fully open) to 0% (fully closed).
Primary Motor Run (LED)
Illuminates when the Primary Compressor is currently
running.
Oil Sump Temperature
Displays the temperature of the oil in the sump.
Primary Oil Pressure
Display indicates the pressure differential between the
high side oil pressure transducer (primary compressor)
and the low side oil pressure transducer (oil sump). The
displayed value includes offset pressure derived from
auto-zeroing during the system prelube.
Economizer Oil Pressure
Display indicates the pressure differential between the
high side oil pressure transducer Economizer compres-
sor and the low side oil pressure transducer (oil sump).
The displayed value includes offset pressure derived
from auto-zeroing during the system prelube.
LD19526
27
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