Johnson Controls York YKEP Series Manual page 67

FORM 160.77-O2
ISSUE DATE: 11/15/2011
Ramp
Displays the percentage of vane position that the vanes
are limited to during startup.
System Head
Displays the sytem head differential pressure.
Primary Minimum Frequency
Head Factor
Displays the accoustic velocity required to keep the
compressor out of surge.
Min Speed
Displays the minimum frequency the primary motor is
allowed to operate at, without surging.
SY-160 Speed Control
VFD
Displays the operating frequency of the VFD.
TV-100A PRV
Displays the open percentage of the Pre-rotational
Vanes (provided by Primary Compressor PRV Pot ZE-
100A).
Open (LED)
Illuminated when the primary compressor PRV is
opening.
Close (LED)
Illumintated when the primary compressor PRV is
closing.
Hot Gas Control
Displays the control percentage of the Hot Gas Bypass
Valve.
HGV Control
Displays the open percentage of the Hot Gas Bypass
Valve (provided by TCV-100C).
Hot Gas Ramp
Displays the percentage that the Hot Gas Valve is lim-
ited to during startup.
JOHNSON CONTROLS
SECTION 3 - YKEP CONTROL PANEL OPERATION
PROGRAMMABLE
None
NAVIGATION
Capacity Tuning
Access Level Required: OPERATOR
Causes an instant navigation to the Capacity Tuning
Screen.
Capacity Limits
Access Level Required: OPERATOR
Causes an instant navigation to the Capacity Limits
Screen.
Booster Capacity
Access Level Required: OPERATOR
Causes an instant navigation to the Booster Capacity
Screen.
Alarm History
Causes an instant navigation to view the Alarm History
Screen.
Manual Auto
Causes an instant navigation to the Manual Auto
Screen.
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