NT-50906901-KSDR-ECOWATT-48-88-120-AN-170907
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ENGLISH
ECF model - 2 separate water coils (hot water + cold water circuit) + motorised damper (accessory)
Fdc A and B
24V~
N
ON
23
7
5
3
1
25 27
21
41
35
33
31
63
37
24
8
6
4
2
26 28
22
42
36
34
32
64
38
+24V+24V+24V
G0
G0
B3
+24V
24V
A04
A03
A02
A01
10
9
12
11
14
13
24V 24V 24V
ON
24V
A04
24V
D
V+
B2
B1
16
15
24V
A05
1
2
3
5
2
1
8
7
Gnd
+24
A01
5
Gnd
+24
A03
1
2
3
6
5
G0
G0 G0
G0 G0
G0
G0
ON / OFF
Supply
sensor
Antifrost
sensor
Fresh air
sensor
Heating coil valve
(accessory)
Cooling coil valve
(accessory)
(not used)
(not used)
With LF 230 S
actuator for
fresh air
damper
Unit control
terminal block
EI model - electrical motorised damper (accessory)
Fdc A and B
24V~
N
ON
23
7
5
3
1
25 27
21
41
35
33
31
61 63
37
24
8
6
4
2
26 28
22
42
36
34
32
62 64
38
+24V+24V+24V
G0
G0
B3
+24V
24V
A04
A03
A02
A01
10
9
12
11
14
13
24V 24V 24V
ON
24V
A04
24V
D
V+
B2
B1
16
15
24V
A05
2
1
8
7
G0
G0
G0
G0
G0
G0
G0
ON / OFF
Unit control
terminal block
Fresh air
sensor
Supply
sensor
Safety thermostat
(coil over-heating)
PWM
control
With LF 24 S
or LF 24 A
actuator for
fresh air
damper