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Conventional circulating pump (NOT HIGH EFFICIENCY)
Basic System:
with 1 tank, 1 circulating pump and 2 probes.
(No modulating circulating pump, No metering, No additional heating/No excess heat dissipation).
- Assigning of terminals and block diagram.
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
1
2
3
NTC
B
4
5
PT1000
C
6
7
8
9
10
11
12
S3
cod. 3540V011 - 03/2017 (Rev. 00)
25
230 Vac
50 Hz
24
23
22
21
20
19
18
17
16
15
14
13
S2
Symbol Description
AUX 1 Closes shutter
Necessary
Optional
ECOTRONIC tech
L
AUX 2 (230 Vac)
N
L
AUX 1 (230 Vac)
N
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