Gruppo solare IDro 12/30
eXCluDING THe NoN-reTurN ValVe
To exclude the non-return valve in case of system emptying, turn the
knob 45°.
loCKING THe FIllING/DraINING KNoBs
Undo the screws and turn the knobs 180°.
Retighten the screws.
DeaeraTor
Gruppo solare IDro 12/30 has a deaerator that continuously separates the
air possibly in circulation together with the fluid. Unscrew the knurled ring
nut not more than half a turn to expel the air. This operation is to be done
occasionally.
aTTeNTIoN! To prevent direct spilling of the liquid, given the high
operating temperature, it is advisable to attach a tube to the special
end of the vent.
EN
10
"eCoTroNIC TeCH" CoNTroller INsTallaTIoN
To install the controller
Remove knockouts located behind the controller C.
Remove the casings a and B.
Run the cables through the hole in the casing B and through the knock-
outs in the eCoTroNIC TeCH controller.
For installation, electrical connection, operation and diagnostics, refer to
the eCoTroNIC TeCH controller.
NoTe: Make sure the two pump cables p1 and 256 are connected as
shown in the diagram below.
legend:
p1 solar circulating pump
256 Modulating circulating pump signal
P1
cod. 3541L130 - Rev. 01 - 11/2016
C
C
B
X1
23
8
1
22
21
B
M
20
19
18
B
M
17
16
256
A
G/V
M
B