ALKON 50-70 INST apice a GB.pmd - Unical Lattner Condensing ...

36
Instructions for the installer
3.19 - WIRING DIAGRAM AND MANAGEMENT WITH E8 REGULATOR (Optional)
On the back side of the E8 regulator there are two terminal
blocks, of which one is for the mains (230 V) connections and
the other one is for the low tension connections.
Power terminal assignments (230 V)
N L1 L1’
T1 T2
n
T3 T4
M
Terminal II
1 2 3 4 5 6 7 8 9 10
II A1 A2 A3 A4 A5 A6
Power
terminal
block
Sensor
terminal
block
II
N L1 L1 1 2 1
Terminal VI VI
1 2
VI A7
Terminal IV IV
M
1 2 3
4
1 2 3 4 5
A8 A9 IV A10 A11
4
50 Hz 230 V
BUS
L H
IX
3 2
1
Power supply
230 V - 50 Hz
N L1 L1 1 2 1
1 2 3 4 5 6 7 8 9 10
II A1 A2 A3 A4 A5 A6
N L1 L1’
FBR
3 1
IMP 0-10 V
F17 F15
3 2 III 1
N: Neutral conductor, mains
L1: Power supply, unit
L2: Power supply to relay
: heating circuit pump HK 1
: heating circuit pump HK 2
: Storage tank charging pump
: Mixer open, heating circuit 2
: Mixer closed, heating circuit 2
: Mixer open, heating circuit 1
: Mixer closed, heating circuit 1
Multifunction relay
Recycle pump / Multifunction relay
The main controls, necessary for the C.H. system management
and for the boiler control, as well some components
which are part of the boiler house, must be connected to the
terminal blocks.
PT1000
2 1
VIII
F14 F13
1
2
3
4
SPF
VF
2 1
V
F12 F11
M
T1 T2
1 2
VI A7
T3 T4
AF KF / SPF VF
Primay circuit pump
D.H.W. Recycling pump
1 2 3 4 5
A8 A9 IV A10 A11
1 2 3
M
FBR
F9 F8 F6 F5 F3 F2 F1
10 9 8 7
I
6 5 4 3 2 1
4
n
GREY
FA
eBUS
0-10 V
VII
2 1
PINK
From the
boiler