JOHNSON CONTROLS
28
FORM 160.78-O2
ISSUE DATE: 5/22/2017
SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
Condenser Liquid Flow Switch
Indicates whether flow is present in the condenser.
Condenser Liquid Pump (Run/Stop)
Displays the command presently sent by the control cen-
ter to the Condenser Liquid Pump run contacts.
Refrigerant Level
Displays the present position of the refrigerant level.
Active Level Setpoint
Displays the setpoint to which the refrigerant level is
being controlled.
Level Control Valve Command
Displays the position command to the level control
valve in percent of travel with 0% full closed to 100%
full open.
PROGRAMMABLE
High Pressure Warning Threshold
Access Level Required: SERVICE
This value allows the user to define the condenser pres-
sure at which the chiller will initiate a warning and ini-
tiate high condenser pressure capacity control override.
Fault Acknowledge
Access Level Required: SERVICE
This allows clearing of the High Condenser Pressure
Fault while Shutdown (Condenser-High Pressure
Stopped). Service Technicians refer to YORK YMC
2
Service Manual (Form 160.78-M2).
NAVIGATION
Home
Causes an instant return to the Home Screen.
Refrigerant Level Control
Access Level Required: SERVICE
Moves to the subscreen allowing programming of the
refrigerant liquid level control setpoints.
Head Pressure Control
Access Level Required: SERVICE
Moves to a subscreen allowing programming and
viewing of the Head Pressure Control setpoints and pa-
rameters. Only appears when Head Pressure Control is
enabled.
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