Ultra
Assembly, installation and operating instructions
40
7.2.9 Cabling of Ultra (**00), actuation by DDC/BMS, 2-pipe valve actuator 230 V AC, Open/Close
3
W
1
N
PE
L
1
2
gn/
ge
gn/
ge
1
2
g
n/
ge
1
2
1
2
g
n/
ge
4*
W3
3
W4
3
W2
gn/
ge
1
2
2
1
PE
PE
PE
L
N
C
N
C
N
O
D
1
U
c
U
b
GN
D
A
+
B
-
SH
R
i >
4
9
K
Ω
4
3
4*
W6
3
W7
3
W5
gn/
ge
1
2
2
1
PE
PE
PE
L
N
C
N
C
N
O
D
1
U
c
U
b
GN
D
A
+
B
-
SH
R
i >
4
9
K
Ω
4
3
D
A
1
D
A
1
1
2
23
0
V
A
A
1
0-
10
V
A
A
1
GN
D
D
I1
D
I1
A
A
2
0-
10
V
A
A
2
GN
D
D
I2
D
I2
1
2
4
3
1
2
4
3
PE
PE
D
A
2
D
A
2
1
2
23
0
V
Mains
230 V
In situ fusing.
Observe
"Electrical data"
information table.
Mains 230 V
Unit no. 1
Type 73xx58, 84xx58 and 85xx58,
terminals Ub, Uc and GND only
230 V normally closed,
optional
Thermoelectric shut-off valve
Jumper ex-
works
Ultra EC, electromechanical
Ultra EC, electromechanical
Unit no. 2
Thermoelectric shut-off valve
230 V normally closed,
optional
In situ terminal box
Junction box
Junction box
Type 73xx58, 84xx58 and 85xx58,
terminals Ub, Uc and GND only
Jumper ex-
works
Building automation
system
Unit 2 motor fault
Contact open = fault
Unit 1 speed
(respect unit’s internal resistance!)
2-pipe heating/cooling
2-pipe heating/cooling
Unit 2 speed
(respect unit’s internal resistance!)
Unit 1 motor fault
Contact open = fault
