Installation, Operation and Maintenance Manual
Marvel Plus
5
Subject to change without notice.
120.5-IM (1018)
Please note that if at the time of installation or start-up it is
found that the 100 feet is not sufficient, the system can still
be started and set up� The required length of cable can then
be ordered as necessary from United CoolAir�
1.
The display can be located next to the unit or other
suitable location temporarily�
2.
The display is required for monitoring the system or for
making changes to the set points and also to have the
audible alarm function�
OPERATING THE CONTROLLER
To operate the control system, there are six basic buttons
on the Marvel Plus wall mount terminal which are used to
change settings, time schedules, system setup, and view
alarms critical and non-critical alarms� (Refer to Figure 1)
Figure 1 - Wall Display / Keypad
An explanation of each button is as follows:
ALARM BUTTON
The button is used for viewing the present alarms with
the system� There is a built in watch-dog alarm constantly
monitoring for alarm conditions with each of the system
safeties. It will constantly flash on and off to show that the
watch-dog alarm is operating� During an alarm condition, the
button illuminates a continuous Red� Depending on the type
of alarm, the system may shut down or continue to operate�
Some alarms are just simple faults known as indicators
which are not harmful to the operation of the unit but may
require attention in the near future� Pressing the button
will reveal what alarm caused the system to shut down�
To reset an alarm, press the button until the screen
displays “NO MORE ALARMS, Press ENTER to RESET”�
Simply pressing the button will reset the alarm when on
the NO MORE ALARMS screen�
PROGRAM BUTTON
The
Prg
button is used to program the system’s set
points, alarm thresholds, view alarm history, adjust sensor
calibration, enable system operation, view run hours,
set occupied/unoccupied schedules, and much more� A
complete listing is under the section called menus�
ESCAPE BUTTON
The escape button is used to go back to the previous menu
screen�
UP BUTTON
The up button is used to scroll upward through the screens
and menus, increase the value of a setting, or to toggle a
component ON/OFF�
ENTER BUTTON
The enter button is used to confirm temperature, humidity,
or pressure settings, and confirm selected components. It is
also used to clear alarms once the alarm is viewed�
DOWN BUTTON
The down button is used to scroll downward through the
screens and menus, decrease the value of a setting, or to
toggle a component ON/OFF�
