York YK Style H Operation Manual page 48

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
Oil Sump Temperature
Displays the temperature of the oil in the sump
Discharge Temperature
Displays the temperature of the refrigerant in its gas-
eous state at discharge of the compressor as it travels
to the condenser.
Discharge Superheat
Displays the discharge superheat, calculated as (Dis-
charge Temperature – Condenser Saturation tempera-
ture).
Hot Gas Bypass Valve Position
Displays the hot gas bypass valve position if that op-
tion is installed.
Oil Pump Drive Command Frequency (Vari-
able Speed Oil Pump Only)
Displays the present frequency at which the oil pump is
being commanded to run.
High Speed Thrust Bearing Limit Switch
(LED)
Displays the status position of the High Speed Thrust
Bearing Limit Switch. Extinguished when closed. This
is the normal position. Only displayed on units with
Prox Switch.
Vane Motor Switch (LED)
Illuminates when the vanes are completely closed.
Oil Return Solenoid (LED)
Illuminates when the solenoid is energized.
VSD Output Frequency
Displays the present frequency at which the VSD is
being commanded to run. Only displayed when a VSD
drive is installed.
Motor % Full Load Amps
Displays the current to the motor as a percentage of the
motor maximum current.
Input % Full Load Amps
Displays the chiller current as a percentage of the job
input Full Load Amps (FLA) value.
PRV Opening (LED)
Indicates whether the vanes are in the process of open-
ing.
48
PRV Closing (LED)
Indicates whether the vanes are in the process of clos-
ing.
PRV Command
This value displays the present position of the Pre-rota-
tion Vanes as a percentage between 0 and 100%.
PRV Position Standard Deviation
Indicates the amount of error between the PRV setpoint
and feedback. Shown in Admin level only.
Motor Run (LED)
Illuminates when the compressor motor is running.
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
PRV Stroke Time
Is set for the time the PRV takes to stroke from 0 to
100%. Adjustable between 1.0 and 180 seconds. De-
faults to 100 seconds for 60Hz line frequency and 120
seconds for 50Hz line frequency units. Only displayed
in Admin Access.
PRV Period
Sets the PRV tuning period. Adjustable between 0.01
and 0.20 seconds; default is 0.10 seconds) Only dis-
played in Admin Access.
Fault Acknowledge
This option allows clearing of the High Speed Thrust
Bearing Limit Switch safety shutdown.
NAVIGATION
Home
Returns user to HOME Screen.
Capacity Control
Causes an instant transfer to the Capacity Control
Screen.
Oil Sump
Causes an instant transfer to the Oil Sump Screen.
FORM 160.76-O2
issue date: 6/15/2015
JOHNsON CONtROLs