Gruppo Ferroli ECOTRONIC tech Instrucciones De Uso E Instalación página 89

EN
System 3B:
with 1 tank, 1 circulating pump and 4 probes.
(Modulating circulating pump, Calculation, With elimination of excess heat).
- Assigning of terminals and main diagram.
The second accessory NTC probe must
be acquired
P1
S4
1
NTC
A
2
3
NTC
B
4
5
PT1000
C
6
SOLAR
CIRCULATING
7
PT1000
PUMP
D
8
9
10
AUX 2
11
12
AUX 1
NC
FREE
CONTACT
NO
X2
S3
4 1
ECOTRONIC tech
Display
Cod. 3540V010 - 07/2010 (Rev. 00)
25
230 Vac
50 Hz
24
23
22
21
20
19 L
AUX 2 (230 Vac)
18
N
17 L
AUX 1 (230 Vac)
16
N
15
14
COM
FREE CONTACT
13
X1
8 1
F1
S1
S2
ECOTRONIC tech
Symbol
S2 (B)
S3 (C)
P1
AUX 2
AUX 1
S4 (A)
S1 (D)
T1
F1
T1
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
elimination of excess
heat
Solar
Flowmeter
Necessary
Optional
89