Installation, Operation and Maintenance Manual
Marvel Mini
36
Subject to change without notice.
120.9-IM (1218)
U01
Liquid Pressure
Liquid Pres 1> 311psi
The Head Pressure/Liquid Pressure control screen shows
the liquid pressure for the compressor stage with water
cooled units having the Electronic Head Pressure Control
option The default Discharge Pressure Set Point is 325
psig
U01
Analog Outputs
Mod Heating
> 9.6v
Air Econo
> 0.0v
The Analog Outputs screen displays information about the
modulating outputs to control modulated devices Presently
the Marvel controller controls the any of the devices listed
within the Analog Output list shown on page 4 Please
inquire with a United CoolAir local distributor for additional
options desired
U01 Unoccupied
Override
Duration>000090min
Elapsed >000025min
Override>On
The Unoccupied Override screen displays the following
information and settings Duration is the time in minutes
for to unit to continue to run when it is supposed to be
unoccupied The unit continues to run in the Occupied state
during the override time until the Unoccupied Override
“Duration” time has “Elapsed” So the Elapsed time is the
amount of time that has passed with the unit operating in the
Unoccupied Override period The Override On/Off/Reset is
the setting is the enable point to start or stop the Override
time Once the Override Duration has Elapsed, the Override
On returns to Off automatically Should the occupant(s) wish
to vacate before the Override time has elapsed, the Override
setting can be set to the Reset position which automatically
terminate the Override Duration time and returns the unit to
the Unoccupied state
Main Menu System
The Main Menu is the menu system used to navigate
through the controller’s statuses and settings The following
Menu items are available within the Main Menu System:
System ON/OFF, System Status (previously documented),
System Enables, Set Points, Alarm Set Points, Run Hours,
Day Min/Max, Clock Settings, Schedule, Setback, Unocc
Control, Change Passwords, Technician Menu, and Factory
Menu
Simply pressing the (up) or (down) buttons, scrolls
through the available screens within the System Status
menu Press the (enter) button to enter any of the Sub-
Menus listed in the Main Menu Press the Esc (escape)
button to return to the System Status loop