1.
Signal relay (terminals: 13, 14)
2.
Supply voltage (terminals: U
S
, GND)
3.
Output signal 0...10 V (terminals: A, GND)
4.
Cable gland M16
5.
“Minus” — connection in areas with lower pressure
6.
“Plus” + connection in areas with higher pressure
7.
Digital input D1 (terminals: 1, 2)
8.
Input outdoor temperature sensor (terminals: TF, TF)
9.
MODBUS interface (terminals: GND, A, B, ID1, ID2 and jumper J1)
12.3.4
Wiring diagrams for speed controllers for EC motors
MTP 10
MTP 10
1
2
4/+
3/Us
5/-
+10V
0...10V
GND
MTP 20
MTP 20
1/Vdc+
4/Vout
3/Vout-
2/Vdc-
+10V
0...10V
GND
EC-Basic
EC-Basic
230V AC
1/IN Vac
2/IN Vac
4/Out
5/GND
+10V
0...10V
GND
21
