Ferroli ECOTRONIC tech Instrucciones De Uso E Instalación página 128

ECOTRONIC tech
System 1:
with 1 tank, 1 circulating pump and 3 probes.
(Self-regulating 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
S4 (A) Solar return NTC probe
128
1
NTC
A
2
3
NTC
B
4
5
PT1000
C
6
7
8
9
10
11
12
S3
M Bi B N
P1
256
S4
cod. 3540V011 - 03/2017 (Rev. 00)
25
230 Vac
50 Hz
24
23
L
AUX 2
(230 Vac)
22
N
21
20
19
18
17
L
AUX 1
(230 Vac)
16
N
15
14
13
S2
Symbol Description
256 The contacts must not be connected and must be
suitably protected
R Relay
F Fuse
Necessary
Optional
L N
F
NA NC
R
C
M B G/V
EN