STULZ Ultra-Series Humidifier Controller
4
(August,
2013)
changes to
Control
and
Service
menu settings. These
screens must have accurate variables entered, otherwise
erratic operation may occur.
The secured menu levels
support unique passwords that must be entered to access
the menu screens so only authorized personnel may
perform modifications to the settings.
See Password
Authorization, Section 4.3.
Timed
Drain
Cycle
2.2.4
The Ultra-Series controller is programmed to enable timed
drain cycles when the Humidifier(s) have been idle to help
ensure proper water quality in the reservoir.
Restorable Set Points
2.2.5
Upon initial start-up the system operates using the set
points programmed by the factory. The set points for the
system may be re-adjusted in the Control menu at any time.
The customer may enter new operating parameters in the
Control>Set points and Control>Tuning menus and the
system will operate accordingly. If it becomes necessary,
the customer may restore the set points back to saved
customer parameters or to the original factory (primary)
parameters.
2.3 User Interface Display Panel
Figure 2 - User Interface Display Panel
The user interface panel features an easy to read, backlit
liquid-crystal alphanumeric display giving a quick-glance
operational overview of the humidification system. The
display is equipped with LED illuminated function keys
allowing the operator complete control and monitoring
capability of the humidification system. The screens
available on the interface display panel present data that
originates from the controller I/O module. The controller is
operated via a 6-key menu-driven windows type loop
structure providing the ability to scroll through and enter
various menus (
Information, Control,
and
Service)
. These
menus permit the user to easily view, control and adjust
operating parameters for the humidification system. (See
Menu Selections, Figure 13.)
Function
Keys
2.3.1
KEY FUNCTION
Accesses active alarm screens
Silences audible alarms
Resets active alarms
Prg
Displays the main menu
Esc
Returns to the next menu level up
Cancels a changed entry
Steps back to the previous screen in a menu loop
Increases the value of a modifiable numeric field
"Enter Key"- Accesses the menu loops
Moves the cursor into a modifiable field
Accepts the current value of a modifiable field
Steps to the next menu screen in a menu loop
Decreases the value of a modifiable numeric field
2.3.1.1 Contrast
Adjustment
Press and hold the Alarm (
) and (
Prg)
keys; then
repeatedly press the Up (
↑
) and Down (
↓
) keys to adjust the
contrast.
Alarms
2.3.2
Alarm conditions activate a red LED indicator that
backlights the alarm function key. As an option, an alarm
condition may also be enunciated by an audible alarm
signal. An alarm is acknowledged by pressing the alarm
key. This calls up alarm display screen(s) that provide a text
message detailing the alarm condition(s). After an alarm
condition is corrected, the alarm may be cleared by
pressing the alarm key.
2.3.2.1 Alarm
Log
The alarm log provides a history of the alarms in sequential
order with a time and date stamp. To access the alarm log,
press the (
Prg
) key, then press the Down (
↓
) arrow key until
the "
ALARM LOG
" screen is reached.
Press the Enter (
←
) key to access the loop. When access
is gained to the Alarm Log, use the Up and Down arrow
keys to scroll through the log for additional alarm
messages.
