York YK Style H Operation Manual page 53

FORM 160.76-O2
issue date: 6/15/2015
the Local, Remote or BAS (ISN) LCLT programmed
setpoint, depending on the control source selected.
Only displayed when the unit is a Heating/Cooling
unit.
Capacity Control Output Devices
Displays the following for each of the devices that is
available: VSD (Variable Speed Drive), VGD (Variable
Geometry Diffuser) or HGBP (Hot Gas Bypass Valve)
• Active Output (LED): Indicates which device is
currently selected by the control for manipulation.
• Command: Displays the output command from
the control to the device in Hertz to the VSD or in
percent of full open to the VGD or HGBP valve.
• Feedback: Displays the present speed feedback
from the VSD or present position feedback from
the VGD.
• Active Min: Displays the prevailing minimum
value to which the control to the device is limited,
based upon surge controls or operating limits.
• Control Mode: Displays whether the device is un-
der Automatic or Manual control.
PROGRAMMABLE
Select VSD Control
Access Level Required: SERVICE
Pressing this button causes VSD Control to be selected
for manual control, 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.
Select PRV Control
Access Level Required: SERVICE
Pressing this button causes PRV Control to be selected
for manual control, the LED to be lit and the heading
over the manual control buttons to display MANUAL
CONTROL – PRV.
Select HGBP Control Access
Level Required: SERVICE
Pressing this button causes HGBP Control to be select-
ed for manual control, the LED to be lit and the heading
over the manual control buttons to display MANUAL
CONTROL – HGBP. Only shown when the Hot Gas
option is enabled.
JOHNSON CONTROLS
SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
Manual Increment
Access Level Required: SERVICE
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 increment for manual
control. The value shall display in tenths when VSD
Control is selected, integers when VGD Control is se-
lected and integers when HGBP Control is selected.
Increase
Access Level Required: SERVICE
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 by an amount equal
to the Manual Increment.
Decrease
Access Level Required: SERVICE
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 by an amount equal
to the Manual Increment.
Set
Access Level Required: SERVICE
Pressing this button will open a dialog box where the
user can manually enter a command value for the se-
lected device. Once a legitimate value 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.
Auto
Access Level Required: SERVICE
Pressing this button will set the selected device's con-
trol state to Auto. This button shall only be shown
when the selected device's state is Manual.
NAVIGATION
Home
Causes and instant return to the Home Screen.
Compressor
Causes an instant navigation to the Compressor Screen.
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