York YK-EP B Operation & Maintenance Manual page 84

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
will not be permitted to open further. If the motor cur-
rent rises above this value, the Pre-Rotation Vanes will
close to reduce the current to this value.
Pulldown Demand Limit
Access Level Required: OPERATOR
Allows the user to specify the current limit value (as a
percentage of FLA) to which the chiller will be limited
during the specified pulldown limit time. This value
will override the Motor Current Limit value during this
time period. This function is used to provide energy
savings following chiller start-up.
Pulldown Demand Time
Access Level Required: OPERATOR
Allows the user to set a period of time for which the
pulldown demand limit will be in effect after the chiller
starts.
Full Load Amps
Access Level Required: SERVICE
Define the maximum amps at which the motor can op-
erate. This value is viewable when logged in under the
OPERATOR or VIEW access level.
Supply Voltage Range
Access Level Required: SERVICE
Allows the user to select a specific voltage range for
voltage checking. When not disabled, this line voltage
range is used to determine a low line and high line volt-
age threshold for initiating a shutdown.
84
Current Unbalance Check (Enabled / Disabled)
Access Level Required: SERVICE
Allows the user to control whether the logic checks for
current unbalance and initiates a shutdown as a result.
NAVIGATION
Home
Access Level Required: VIEW
Returns user to HOME Screen.
Motor Lube
Access Level Required: VIEW
Moves to the subscreen allowing operator acknowledge-
ment of the compressor motor lubrication and viewing
of the compressor motor lubrication parameters. Only
displayed if Motor Auto Lube type is other than None.
Motor Details
Access Level Required: SERVICE
Moves to a subscreen that provides information and
setpoints pertinent to the Motor Monitoring feature if
this option is installed.
FORM 160.87-OM1
ISSUE DATE: 8/24/2018
JOHNSON CONTROLS