York YK Style H Operation Manual page 95

FORM 160.76-O2
issue date: 6/15/2015
For fields requiring access level of SER-
VICE. Service Technicians refer to the
OptiView Control Center - Service Instruc-
tions (Form 160.76-M1) for operation
instructions and explanation of all pro-
grammable setpoints and displayed values.
PROGRAMMABLE
Local Motor Current Limit
Access Level Required: OPERATOR
Allows the user to specify the maximum allowed mo-
tor 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
Access Level Required: OPERATOR
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 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
Defines the maximum amps at which the motor can
operate this value is viewable when logged in at VIEW
or OPERATOR level.
JOHNSON CONTROLS
SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
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
Access Level Required: SERVICE
Allows the user to reset the cumulative Kilowatt hours
to zero.
NAVIGATION
Home
Access Level Required: VIEW
Returns user to HOME Screen.
ACC Details
Access Level Required: SERVICE
Moves to a subscreen which provides more informa-
tion about the Adaptive Capacity Control.
Motor Lube
Moves to a subscreen allowing operator acknowledge-
ment of the compressor motor lubrication and viewing
of the compressor motor lubrication parameters.
Motor Details
Access Level Required: SERVICE
Moves to a subscreen that provides information and
setpoints pertinent to the Motor Monitoring feature.
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