Gruppo Ferroli ECOTRONIC tech Instrucciones De Uso E Instalación página 88

ECOTRONIC tech
System 3A:
with 1 tank, 1 circulating pump and 4 probes.
(Modulating circulating pump, Calculation, With supplementary heating).
- Assigning of terminals and main diagram.
P1
S4
88
The second accessory NTC probe must
be acquired
1
NTC
A
2
3
NTC
B
4
5
PT1000
C
6
SOLAR
7 CIRCULATING
PT1000
PUMP
D
8
9
10
AUX 2
11
12
AUX 1
FREE
CONTACT
S3
X2
4
ECOTRONIC tech
Display
Cod. 3540V010 - 07/2010 (Rev. 00)
25
230 Vac
50 Hz
24
23
22
21
20
19
18
17
16
NC
15
14
COM
FREE CONTACT
13
NO
X1
1 8 1
F1
S1
S2
Symbol
S2 (B)
S3 (C)
P1
AUX 2
AUX 1
S4 (A)
S1 (D)
T1
F1
L
AUX 2 (230 Vac)
N
L
AUX 1 (230 Vac)
N
T1
EN
Description
Lower tank
NTC probe
Solar Collector
PT1000 probe
Solar
Circulating Pump
Closes in
case of fault
Closes
Shutter
Solar Return
NTC probe
Upper tank
PT1000 probe
Consent for
Supplementary
Heating
Solar
Flowmeter
Necessary
Optional