3
Transport and temporary storage
3.1
Transport inspection
4
Product information
4.1
Connection and technical data
Output
function
Operating
voltage/
power con-
sumption
Max. contact
capacity
Maximum
load resist-
ance
Installation and operating instructions Wilo-DDA/-DDS/-DDM/-DDG
Check delivery immediately for damage and com-
pleteness. Where necessary make a complaint imme-
diately.
CAUTION
Damage due to incorrect handling during
transport and storage!
Protect the product from moisture, frost and
mechanical damage during transport and tem-
porary storage.
Protect the product against temperatures outside
the range of -10 °C and +50 °C.
DDA
DDS
Display
1 x switching
contact
25 V /20 mA D
C
DDM
2 x switching
contact
250 V
250 V /1 A DC
en
DDG
Analog output
4 – 20 mA
24 V DC
+/-20 %
500 Ω
19