York YST Operation Manual page 93

FORM 160.67-O1
ISSUE DATE: 4/1/2015
This is only used when the turbine is supplied with an
auxiliary oil pump and MSSP6-Turbine Lubrication
Type is set for Pump on the Configuration Screen 1.
An immediate shutdown is initiated if the input signal
from the Turbine Supply Oil Pressure Transmitter is
below this setpoint. This check is bypassed for the first
45 seconds of the prelube after the message "START
SEQUENCE INITIATED" is displayed.
PSP16 - Turbine Inlet Steam High Pressure Alarm
Screen: Steam System
Range: 100.0-500.0 PSIG
An alarm is generated if the input signal from the Tur-
bine Inlet Steam Pressure Transmitter is above this
setpoint.
SSp8 – overspeed Shutdown
Screen: Auto/Manual
Range: 3600-4900 RPM
An immediate shutdown is initiated if the higher of the
two speed analog input signals from the frequency-to-an-
alog converters in the Turbine Box is above this setpoint.
TSp4 - Turbine Shaft end bearing high
Temperature alarm
Screen: Turbine
Range: 180.0-220.0 °F
This is only used when the turbine is supplied with
bearing RTD sensors and MSSP14-Turbine Bearing
Temperature Sensors is set for Enabled on the Con-
figuration Screen 1. An alarm is generated if the input
signal from the Turbine Shaft End Bearing RTD Tem-
perature Transmitter is above this setpoint. The final
setpoint should be 5-10 °F higher than the normal op-
erating temperature of the bearing.
TSp5 - Turbine Shaft end bearing high
Temperature Shutdown
Screen: Turbine
Range: 180.0-220.0 °F
This is only used when the turbine is supplied with
bearing RTD sensors and MSSP14-Turbine Bearing
Temperature Sensors is set for Enabled on the
Configuration Screen 1. An immediate shutdown is
initiated if the input signal from the Turbine Shaft
End Bearing RTD Temperature Transmitter is above
this setpoint. The final setpoint should be 5-10 °F
higher than the normal operating temperature of
the bearing.
JOHNSON CONTROLS
Default: 500.0 PSIG
Default: 4900 RPM
Default: 210.0 °F
Default: 220.0 °F
SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
TSp6 - Turbine governor end bearing high
Temperature alarm
Screen: Turbine
Range: 180.0-220.0 °F
This is only used when the turbine is supplied with
bearing RTD sensors and MSSP14-Turbine Bearing
Temperature Sensors is set for Enabled on the Con-
figuration Screen 1. An alarm is generated if the input
signal from the Turbine Governor End Bearing RTD
Temperature Transmitter is above this setpoint. The fi-
nal setpoint should be 5-10 °F higher than the normal
operating temperature of the bearing.
TSp7 - Turbine governor end bearing high
Temperature Shutdown
Screen: Turbine
Range: 180.0-220.0 °F
This is only used when the turbine is supplied with
bearing RTD sensors and MSSP14-Turbine Bearing
Temperature Sensors is set for Enabled on the Con-
figuration Screen 1. An immediate shutdown is initi-
ated if the input signal from the Turbine Governor End
Bearing RTD Temperature Transmitter is above this
setpoint. The final setpoint should be 5-10 °F higher
than the normal operating temperature of the bear-
ing.
TSp8 - Turbine Supply oil high Temperature
alarm
Screen: Turbine
Range: 110.0-135.0 °F
This is only used when the turbine is supplied with an
auxiliary oil pump and MSSP6-Turbine Lubrication
Type is set for Pump on the Configuration Screen 1. An
alarm is generated if the input signal from the Turbine
Supply Oil RTD Temperature Transmitter is above this
setpoint.
TSp8 - Turbine Supply oil high Temperature
Shutdown
Screen: Turbine
Range: 110.0-135.0 °F
This is only used when the turbine is supplied with an
auxiliary oil pump and MSSP6-Turbine Lubrication
Type is set for Pump on the Configuration Screen 1.
An immediate shutdown is initiated if the input signal
from the Turbine Supply Oil RTD Temperature Trans-
mitter is above this setpoint.
Default: 210.0 °F
Default: 220.0 °F
Default: 130.0 °F
Default: 135.0 °F
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