York YST Operation Manual page 78

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
hpCS – horsepower Calculation Slope
Screen: Capacity Controls
Range: 0-700 Default: 294.8
This is used to calculate the actual horsepower output
of the turbine. It is entered at the factory and can only
be changed in the TEST OP or ADMIN Access Level.
hpCi - horsepower Calculation intercept
Screen: Capacity Controls
Range: -500-500 Default: 301
This is used to calculate the actual horsepower output
of the turbine. It is entered at the factory and can only
be changed in the TEST OP or ADMIN Access Level.
hpCe - horsepower Calculation efficiency
Screen: Capacity Controls
Range: 0.01-1 Default: 0.68
This is used to calculate the actual horsepower output
of the turbine. It is entered at the factory and can only
be changed in the TEST OP or ADMIN Access Level.
dSp - design Steam pressure
Screen: Capacity Controls
Range: 80-400 Default: 125
This is the steam pressure that the turbine must have
at the inlet flange in order to provide the design horse-
power output. This is used to calculate the actual horse-
power output of the turbine. It is entered at the factory
and can only be changed in the TEST OP or ADMIN
Access Level.
78
dST – design Steam Temperature
Screen: Capacity Controls
Range: 324-750 Default: 353
This is the steam temperature that the turbine must
have at the inlet flange in order to provide the design
horsepower output. This is used to calculate the actual
horsepower output of the turbine. It is entered at the
factory and can only be changed in the TEST OP or
ADMIN Access Level.
Change Setpoints
Access Level Required: SERVICE/TEST OP
This key enables the field selection cursor. The opera-
tor may then toggle between the programmable data
fields using the Cursor Arrow keys.
page up
Access Level Required: VIEW
Causes an instant return Capacity Control Setpoints
Screen 1.
home
Access Level Required: VIEW
Causes an instant return to the Home Screen.
Capacity Controls
Access Level Required: VIEW
Causes an instant return to the Capacity Controls
Screen.
FORM 160.67-O1
ISSUE DATE: 4/1/2015
JOHNSON CONTROLS