Danfoss 140F1089, Installation Instructions Manual, Page: 5 / 40

DEVIreg™ 850 IV
5 Installation instruction
1�2 General use
The DEVIreg™ 850 is operated via 3 buttons and an alpha numeric display capable of
displaying information in various languages.
Buttons
The functions of the 3 buttons are:
Info Shows additional information / help (Only active when lit)
Next Next menu entry / next line / next letter
Enter Confirm / select
Besides the normal function of the buttons, some special combinations are important to
the user:
Return to home of menu system:
Hold for 2 seconds
Master reset: Restore factory defaults AND
delete installed systems (In case of insolvable
problems due to a wrong choice of language,
etc.)
Hold + for 8 seconds
Display
The following icons have a special meaning:
This a nimated icon is shown, when the system is heating. When the icon is
blinking the system wants to heat, but is paused (system has low priority).
This icon is shown, when the system has detected moisture, and the tempera-
ture is above the melting temperature.
This icon is shown, when the system has detected snow or ice, and the tempera-
ture is below the melting temperature.
The DEVIreg™ 850 can simultaneously control up to 2 different systems. These 2 systems
are referred to as
System A
and
System B
. The DEVIreg™ 850 gives the user the opportu-
nity to view the current status of the systems. The status can be shown in 2 different ways.