York YK Style H Operation Manual page 86

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
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 motor
current (as percentage of FLA). When the motor cur-
rent reaches this value, the Pre-rotation Vanes will not
be permitted to open further. If the motor 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 lim-
ited during the specified pulldown 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.
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 oper-
ate. This value is viewable when logged in at OPERATOR
or VIEW access level.
Voltage Range
Access Level Required: SERVICE
Allows the user to select specific line 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.
86
Starting Current
Access Level Required: SERVICE
Defines the maximum allowed motor starting amps. The
Solid State Starter will limit the motor starting current to
this value.
Open SCR (Enabled/Disabled)
Access Level Required: SERVICE
Allows the user to enable or disable the Solid State
Starter Open SCR safety detection. This must never be
disabled unless under advisement of the Johnson Con-
trols Factory.
Shorted SCR (Enabled/Disabled)
Access Level Required: SERVICE
Allows the user to enable or disable the Solid State
Starter Shorted SCR safety detection. This must never
be disabled unless under advisement of the Johnson
Controls Factory.
KWH Reset
Access Level Required: ADMIN
Allows the user to reset the cumulative Kilowatt hours.
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.
Motor Details
Access Level Required: SERVICE
Moves to a subscreen that provides information and
setpoints pertinent to the Motor Monitoring feature.
FORM 160.76-O2
issue date: 6/15/2015
JOHNsON CONtROLs