Ferroli ECOTRONIC tech Instrucciones De Uso E Instalación página 121

EN
System 1:
with 1 tank, 1 circulating pump and 3 probes.
(No 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
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
AUX 1 Closes shutter
1
NTC
A
2
3
NTC
B
4
5
PT1000
C
6
7
8
9
10
11
12
X2
4 1 8
Display
ECOTRONICH tech
S3
P1
256
S4
cod. 3540V011 - 03/2017 (Rev. 00)
25
24
23
22
21
20
19
18
17
16
15
X1
1 14
13
B M
B M
S2
Symbol Description
S4 (A) Solar return NTC probe
256 Circulating pump signal (PWM versions only)
Necessary
Optional
ECOTRONIC tech
230 Vac
50 Hz
L
AUX 2
(230 Vac)
N
L
AUX 1
(230 Vac)
N
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