REFRESH
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Operation
3.2.3
Decreasing the Speed of the Fans
Step 1:
To decrease the speed of the fans from the MED & HIGH SPEED, press the
button again. The speed of the fans will decraese from HIGH to MED SPEED or MED
to LOW SPEED.
3.2.4
Muting an Active Alarm
Step 1:
To mute an active alarm sound, press the
button.
3.2.5
Accessing the Information Screens
The operator can access the following messages:
System
status
Fan
speed
Filter
status.
Note: Only active messages are shown.
Step 1:
To access the information screens, press the
arrow buttons.
Step 2:
To cycle through messages and clock screens, press the
arrow buttons.
3.2.6
Accessing the “Configuration” Screen from the “Date/Time” Screen
Step 1:
To access the “Configuration” screen from the “Date/Time” screen, press the
button. The operator can make changes from the “Configuration” screen as necessary.
Step 2:
To save changes made from the “Configuration” screen, press the
button.
Step 3:
To cancel changes made from the “Configuration” screen, press the
button.
3.2.7
Filter Status Screen
Step 1:
From normal operating mode, select the filter status screen by pressing the
arrow.
The following scrolling text is displayed:
Screen Display - FILTER STATUS HOURS LEFT
Step 2:
When the filters become dirty, the system will display a countdown timer warning
screen. The countdown timer warning screen shows which stage filters require
changing and also gives a time (in hours) when the system will shut down:
Issue: Final
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