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Idiomas disponibles
Idiomas disponibles
ECOTRONIC tech
System 2:
with 1 tank, 1 circulating pump and 3 probes.
(No modulating circulating pump, No metering, With boiler activation/deactivation).
- Assigning of terminals and block diagram.
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
S1 (D) Upper tank PT1000 probe
During normal operation, if the hot water tank sensor S2 temperature is less than the Thermostat activation
temperature parameter value (Installer parameter, default 40°C) the ECOTRONIC tech controller activates the
output relay connected to terminals 13-14-15 (FREE CONTACT on the 11-pole connector); whereas if the hot
water tank sensor S2 temperature is greater than the Thermostat deactivation temperature parameter value
(Installer parameter, default 45°C), the ECOTRONIC tech controller deactivates the output relay connected to
terminals 13-14-15 (FREE CONTACT on the 11-pole connector).
The contact is voltage-free with switch-over contact: NC 14-15, NO 13-14.
To signal boiler activation mode, the contact symbol will be lit up.
146
1
2
3
NTC
B
4
5
PT1000
C
6
7
PT1000
D
8
9
10
11
12
CONTACT
S3
P1
cod. 3540V011 - 03/2017 (Rev. 00)
25
230 Vac
50 Hz
24
23
22
21
20
19
AUX 2
18
17
AUX 1
16
NC
15
FREE
14
COM
FREE CONTACT
13
NO
OUT
S1
S2
IN
Symbol Description
T1 Contact
L
AUX 2 (230 Vac)
N
L
AUX 1 (230 Vac)
N
T1
OUT
IN
Activation/Deactivation
Boiler
flow switch/flow meter
Necessary
Optional
EN
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