York YK Style H Operation Manual page 54

Table 34: Programmable
V09 software
Button
and earlier
Select VSD
Service
Control
Select PRV
Service
Control
Select HGBP
Service
Control
Manual
Service
Increment
Increase Service
Decrease Service
Set Service
Auto Service
Table 35: Navigation
V09 software
Button
and earlier
Home Service
Compressor Service
Setpoints Service
Hot gas Service
54
V10 and later
with YORK
Description
Chiller Access
Manager
Pressing this button causes VSD Control to be selected for manual control,
JCI Service the LED to be lit and the heading over the manual control buttons to
display MANUAL CONTROL – VSD. Only shown when drive type is a VSD.
Pressing this button causes PRV Control to be selected for manual control,
JCI Service the LED to be lit and the heading over the manual control buttons to
display MANUAL CONTROL – PRV.
Pressing this button causes HGBP Control to be selected for manual
control, the LED to be lit and the heading over the manual control buttons
JCI Service
to display MANUAL CONTROL – HGBP. Only shown when the Hot Gas
option is enabled.
This key enables the change increment to be set for manual control of
the selected device. It also contains a text box displaying the manual
JCI Service increment for manual control. The value shall display in tenths when VSD
Control is selected, integers when PRV Control is selected and integers
when HGBP Control is selected.
Pressing this button will set the selected device's state to Manual if it had
been in Auto and will increase the device's present control command
JCI Service
by an amount equal to the Manual Increment each time the button is
pressed.
Pressing this button will set the selected device's state to Manual if it had
been in Auto and will decrease the device's present control command
JCI Service
by an amount equal to the Manual Increment each time the button is
pressed.
Pressing this button will open a dialog box where the user can manually
enter a command value for the selected device. Once a legitimate value
JCI Service has been entered and the Enter key pressed, the Selected device's state
shall be set to Manual if it had been in Auto and the Selected device's
control command shall be set to the entered value.
Pressing this button will set the selected device's control state to Auto.
JCI Service This button shall only be shown when the selected device's state is
Manual.
V10 and later
with YORK
Description
Chiller Access
Manager
JCI Service Causes an instant return to the Home Screen
JCI Service Causes an instant navigation to the Compressor Screen.
Moves to the Capacity Control Setpoints subscreen that allows the Service
Technician to verify and edit values significant to capacity control. This
JCI Service
button will only be shown and enabled when the Access Level is Service or
greater.
Moves to the Hot Gas Bypass subscreen. This button will only be shown
JCI Service and enabled when the Access Level is Service or greater and the Hot Gas
option is enabled.
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center