EN
High Efficiency circulating pump (STRATOS PARA series)
Basic System:
with 1 tank, 1 circulating pump and 2 probes.
(Self-regulating circulating pump, No metering, No additional heating/No excess heat dissipation).
- Assigning of terminals and block diagram.
P1
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
256 The contacts must not be connected and must
be suitably protected
1
2
3
NTC
B
4
5
PT1000
C
6
7
8
9
10
11
12
M Bi B N
S3
256
cod. 3540V011 - 03/2017 (Rev. 00)
ECOTRONIC tech
25
230 Vac
50 Hz
24
23
L
AUX 2
(230 Vac)
22
N
21
20
R
19
18
17
L
AUX 1
(230 Vac)
16
N
15
14
13
S2
Symbol Description
R Relay
F Fuse
Necessary
Optional
L
N
F
NA
NC
C
M
B G/V
127