EN • 6
664Y4600 • D
E
N
FR
R
U
P
L
DE
IT
ES
N
L
N
L1
3
1
4
2
10
11
t
P
6
9
5
8
7
17
18
14
15
12
13
19
20
t
t
(78 - 53°C)
(85 - 60°C)
M
16
Or
B
Br
B
Br
Br
Bk
Bk
Bk
B
B
Br
Bk
Bk
Y
Y
G
G
G
G
Or
W
Pk
R
Or
Or
B
B
B
B
B
B
B
B
Or
W
Pk
R
Pk
R
Pk
W
V
W
V
B
B
B
B
Bk
B
B
Bk
B
B
B
B
B
B
B
B
B
B
t
C
2
1
C
1
2
1.1.
1.2.
2.1.
2.2.
A
B
C
D
E
G
H
I
J
L
F
K1
K3
K2
K4
B. Blue
Bk. Black
Br. Brown
G. Grey
Or. Orange
Pk. Pink
R. Red
V. Violet
W. Withe
Y. Yellow
A ON/OFF switch
B Manually reset safety thermostat
C Water pressure switch
D Alarm indicator
E Limit thermostat 95°C
F Summer / Winter switch
G Control thermostat 60 - 85°C
H Power level switch 1
I Timer
J Power level switch 2
K1 Power Relay 1 - Level 1
K2 Power Relay 1 - Level 2
K3 Power Relay 2 - Level 1
K4 Power Relay 2 - Level 2
L Room thermostat (optional)
M Loading pump
1-2:
Life (230V ~ 50Hz)
3-4: Neutral
5-6:
Time Clock (optional)
7-8:
Safety switch
10-11: Stop Bridge
12-13: Room thermostat (optional)
14-15: Heating pump (optional)
17-18: Relay K3 disactivated
19-20: Relay K4 disactivated
InstallatIon
2
1
3
5
15
17
4
7
9 10 11 12 13
16
19
21
6
8
14
18
20
22
CONTROL WIRING DIAGRAM : E-TECH S 240
The control circuit is automatically powered from the power circuit.
It is also protected by a 3A magneto-thermal circuit breaker.
CONNECTING THE ACCESSORIES
The electrical accessories are connected to the numbered terminals
on this diagram below.
IT IS IMPORTANT TO SwITCH THE BOILER Off
BEfORE CARRYING OuT ANY wORk.
