York YMC2 - Page 33

JOHNSON CONTROLS
33
SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION
FORM 160.84-OM1
ISSUE DATE: 9/21/2017
3
Evaporator Pressure
Displays the present refrigerant pressure in the evapo-
rator.
Evaporator Saturation Temperature
Displays the present saturation temperature in the
evaporator calculated from evaporator pressure.
Head Pressure
Displays the pressure difference between the condens-
er and evaporator (condenser minus evaporator). Only
appears when Head Pressure Control is enabled.
Head Pressure Setpoint
Displays the active Head Pressure Setpoint to which
the head pressure is being controlled. Only appears
when Head Pressure Control is enabled.
Isolation Valves (LEDs)
Only show when optional brine isolation valve feature
exists and enabled.
Closing - The control is commanding the valve close
output on.
Closed Limit Switch - Feedback from the valve lim-
it switch at the full closed position shows the switch
made, indicating closed valve.
Opening - The control is commanding the valve open
output on.
Opened Limit Switch - Feedback from the valve limit
switch at the full open position shows the switch made,
indicating open valve.
PROGRAMMABLE
There are no programmable fields on this screen.
NAVIGATION
Home
Causes an instant return to the Home Screen.