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Idiomas disponibles
Idiomas disponibles
ECOTRONIC tech
System 4 "east/West":
(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 "A" PT1000 probe
P1 Solar circulating pump "A"
AUX 2 Closes in case of fault
S4 (D) Solar collector "B" PT1000 probe
126
with 1 tank, 2 circulating pumps and 4 probes.
1
NTC
A
2
3
NTC
B
4
5
PT1000
C
6
7
PT1000
D
8
9
10
11
12
X2
4
1
8
Display
ECOTRONICH tech
S3
S4
A
P1
256
cod. 3540V011 - 03/2017 (Rev. 00)
25
24
23
22
21
20
19
18
17
16
15
X1
1
14
13
B
M
B
B
M
M
B
256
P2
S1
Symbol Description
P2 Solar circulating pump "B"
S1 (A) Solar return NTC probe
256 Circulating pump signal (PWM versions only)
Necessary
Optional
230 Vac
50 Hz
L
AUX 2 (230 Vac)
N
S2
EN
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