York YK Style H - Page 92

Table 85: Programmable
Button
V09 software
and earlier
V10 and later
with YORK
Chiller Access
Manager
Description
Local Motor
Current Limit
Operator Standard
Allows the user to specify the maximum allowed motor current (as a
percentage of FLA). When the motor current reaches this value, the pre-
rotation vanes will not be permitted to open further. If the motor current
rises above this value, the pre-rotation vanes will close to reduce the
current to this value.
Pulldown
Demand Limit
Operator Standard
Allows the user to specify the current limit value (as 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
startup.
Pulldown
Demand Time
Operator Standard
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 Service JCI Service
Defines the maximum amps at which the motor can operate this value
is viewable when logged in at View or Operator level. The maximum
programmable value of this setpoint is equal to Programmed Drive
Current value received from the MV VSD. In previous software versions, it
was derived from a lookup table based on the Motor Rated Voltage and
MV VSD Model.
KWH Reset Admin Admin Allows the user to reset the cumulative Kilowatt hours to zero.
Table 86: Navigation
Button
V09 software
and earlier
V10 and later
with YORK
Chiller Access
Manager
Description
Home View View Returns the user to Home Screen.
Motor Lube Service JCI Service
Moves to a subscreen allowing operator acknowledgment of the
compressor motor lubrication and viewing of the compressor motor
lubrication parameters.
Motor Details Service JCI Service
Moves to a subscreen that provides information and setpoints pertinent
to the Motor Monitoring feature.
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center92