Johnson Controls YORK YK Style G OPTIVIEW Operation And Maintenance page 86

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
[Refrigerant Level Control] Period
The entire chiller run time is divided into Level Con-
trol Periods.
[Refrigerant Level Control] Proportional Limit
Open
This key establishes the response to the Proportion
Error. The amount of change in the level within the
Proportion Error is compared to Setpoints Proportion
Limit Open (if level is above setpoint).
[Refrigerant Level Control] Proportional Limit
Close
This key establishes the response to the Proportion
Error. The amount of change in the level within the
Proportion Error is compared to Setpoints Proportion
Limit Close (if level is below setpoint).
[Refrigerant Level Control] Rate Limit Open
This key establishes the response to the rate of change,
the amount of change in the level within the Level
Control Period is compared to the Rate Limit Open (if
level greater than setpoint).
[Refrigerant Level Control] Rate Limit Close
This key establishes the response to the rate of change,
the amount of change in the level within the Level
Control Period is compared to the Rate Limit Close (if
level less than setpoint).
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[Refrigerant Level Control] Raise (Manual)
This key puts the level control into manual mode and
sends a RAISE command to the variable orifice.
[Refrigerant Level Control] Lower (Manual)
This key puts the level control into manual mode and
sends a LOWER command to the variable orifice.
[Refrigerant Level Control] Hold (Manual)
This key puts the level control into manual mode and
sends a HOLD command to the variable orifice.
[Refrigerant Level Control] Auto
Returns the level control to automatic mode.
NAVIGATION
Home
Access Level Required: VIEW
Returns user to HOME Screen.
Condenser
Access Level Required: VIEW
Returns user to CONDENSER Screen.
FORM 160.54-O1
ISSUE DATE: 9/10/2014
JOHNSON CONTROLS