York YST Operation Manual page 55

FORM 160.67-O1
ISSUE DATE: 4/1/2015
pump #2 run output (led)
Illuminates when the Vacuum Pump #2 contactor is
energized to start the pump. This will occur after the
Vacuum Pump #2 Sealing Water Flow Switch status
changes to closed. This object only appears if MSSP11-
Vacuum Pump Mode is set for Dual on Configuration
Screen 1.
pump #2 aux Contact (open/Closed)
Displays the status of the auxiliary contact on the
Vacuum Pump #2 contactor. The status will change
from Open to Closed after the Run Output LED
illuminates indicating that the contactor has pulled in.
This object only appears if MSSP11-Vacuum Pump
Mode is set for Dual on Configuration Screen 1.
prograMMable
pump Mode (auto/Manual 1/ Manual 2)
Access Level Required: SERVICE
This key initiates a Manual start sequence for the
selected vacuum pump by manually energizing the
associated vacuum pump sealing water solenoid
valve. The selected vacuum pump will start after the
associated sealing water flow switch status changes
to closed. The manual starting of the selected pump
will only be initiated if the other pump is not running.
If MSSP11-Vacuum Pump Mode is set for Single
on Configuration Screen 1, the vacuum pump start
sequence will be initiated if Manual 1 or Manual 2 is
selected.
JOHNSON CONTROLS
SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
navigaTion
home
Access Level Required: VIEW
Causes an instant return to the Home Screen.
System
Access Level Required: VIEW
Causes an instant return to the Steam System Screen.
2
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