Ferroli ECOTRONIC tech Instrucciones De Uso E Instalación página 118

ECOTRONIC tech
System 3B:
with 1 tank, 1 circulating pump and 4 probes.
(Modulating circulating pump, Metering, With 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
AUX 1 Closes shutter
118
1
NTC
A
2
3
NTC
B
4
5
PT1000
C
6
7
PT1000
D
8
9
10
11
12
S3
S4
cod. 3540V011 - 03/2017 (Rev. 00)
25
24
23
22
21
20
19
18
17
16
NC
15
FREE
14
CONTACT
COM
13
NO
S1
S2
Symbol
S4 (A)
S1 (D)
T1
230 Vac
50 Hz
L
AUX 2 (230 Vac)
N
L
AUX 1 (230 Vac)
N
FREE CONTACT
Description
Solar return NTC probe
Upper tank PT1000 probe
Consent for excess heat dissipation
Necessary
Optional
EN
T1