Installation instruction
ECtemp 850 IV
© Danfoss | 2019.07 | 21
08097083 / VIMHE202
Installation of dual system
The installation of a ECtemp 850 with
2 roof
systems
or 2 ground
systems has been
selected.
It is
mandatory
that no sensors or only sensors for
System A
are connected to the
the ECtemp 850 before power up. Sensors for
System B
must be connected to the
ECtemp 850 during the installation steps. Connection of the sensors during installa-
tion can either be done using a switch on the DIN-rail or just connect sensor bus of
System B
to the already connected sensor bus of
System A
.
The first installed system (
System A
) is using the output
System A
.
The second installed system (
System B
) is using the output
System B
.
If sensors for
System A
are not connected — do it now!
Press
or wait…
CONNECT SENSORS:
SYSTEM A
System is being scanned to find type of connected
sensors…
SYSTEM A
SCANNING...
Select system type: Ground.
SYSTEM TYPE:
GROUND
Wait until correct number of sensors for
System A
is found.
1 GROUND SENSOR
FOUND. ACCEPT?
Press
when all sensors for
System A
are
found…
System A
is installed…
SYSTEM A!
INSTALLED
Connect sensors for
System B
.
Press
or wait…
CONNECT SENSORS:
SYSTEM B
System is being scanned to find type of connected
sensors…
SYSTEM B
SCANNING...
Select system type.
SYSTEM TYPE:
GROUND
Wait until correct number of sensors for
System B
is found.
1 GROUND SENSOR
FOUND. ACCEPT?