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System 1:
with 1 tank, 1 circulating pump and 3 probes.
(Modulating circulating pump, Metering, No additional heating/No excess heat dissipation).
- Assigning of terminals and block diagram.
The second accessory NTC probe must be purchased
P1
Symbol Description
S2 (B) Lower tank NTC probe
S3 (C) Solar collector PT1000 probe
P1 Solar circulating pump
AUX 2 Closes in case of fault
114
1
NTC
A
2
3
NTC
B
4
5
PT1000
C
6
7
8
9
10
11
12
S3
S4
cod. 3540V011 - 03/2017 (Rev. 00)
25
230 Vac
50 Hz
24
23
22
21
20
19
19
L
AUX 2 (230 Vac)
18
N
L
17
AUX 1 (230 Vac)
16
N
15
14
13
S2
Symbol Description
AUX 1 Closes shutter
S4 (A) Solar return NTC probe
Necessary
Optional
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