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ENGLISH
6.7 Wiring diagrams of external elements, CAV, VAV and COP adjustments.
For an adjustment according to a room temperature, a room temperature sensor TG-R5/PT1000 (acces-
sory) must be added to connectors 3 and 4. The supply and fresh air sensors must remain connected
under all circumstances.
EC model - hot water coil (delivered already assembled) + 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
Heating coil valve
(accessory)
1
2
3
5
(not used)
Supply
sensor
2
1
8
7
Gnd
+24
A01
6
5
G0
G0 G0
G0
G0
G0
G0
ON / OFF
Sensor
Antifrost
Fresh air
sensor
With LF 24 S
or LF 24 A
actuator for
fresh air
damper
Unit control
terminal block
ER model - reversible water coil (delivered already assembled - cold or hot) + 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
Red
Black
Gnd
+24
A01
6
5
G0
G0 G0
G0
G0
G0
G0
ON / OFF
Unit control
terminal block
Supply
sensor
Change
over
sensor
Fresh air
sensor
Sensor
Antifrost
With LF 24 S
or LF 24 A
actuator for
fresh air
damper
Reversible coil valve
(accessory)
(not used)
