JOHNSON CONTROLS
42
FORM 161.01-OM1
ISSUE DATE: 6/8/2018
SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION
FIGURE 12 -
CAPACITY CONTROL SCREEN
LD26734
DISPLAY ONLY FIELDS
DISPLAY ONLY FIELDS
FIELD/LED NAME
DESCRIPTION
Evaporator Pressure
Displays the pressure in the evaporator.
[Evaporator Pressure] Override
Threshold
Displays the evaporator pressure setpoint below which the low evaporator pres-
sure capacity control override takes effect.
Condenser Pressure
Displays the pressure in the condenser.
[Condenser Pressure] Override Thresh-
old
Displays the condenser pressure setpoint above which the high condenser
pressure capacity control override takes effect.
Input Current % FLA
Displays the percent of useful job full load current presently supplied to the
chiller, determined from the highest of the three phase Input Currents/(Input Job
FLA setting/0.9).
[Input Current % FLA] Override Thresh-
old
Displays the active input current percent limit, which is the minimum of Local
Input Current Limit, Remote Input Current Limit, and Pulldown Current Limit or
BAS current limit.
Motor Current % FLA
Displays the percentage of maximum motor current delivered to the motor,
determined from the highest of the three phase Motor Currents/Maximum Motor
Current Limit.
Entering Chilled Liquid
Displays the temperature of the chilled liquid as it enters the evaporator.
Leaving Chilled Liquid
Displays the temperature of the chilled liquid as it leaves the evaporator.
This screen displays the pertinent parameters associat-
ed with capacity control in relation to Leaving Chilled
Liquid temperature, current and pressure overrides, and
anti-surge control. This screen also provides a means
for a Service Technician to control VGD, Speed, and
Optional Hot Gas Bypass Valve manually for service.
Summary of Contents for YZ MODEL A
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