EN • 7
664Y4600 • D
E
N
FR
R
U
P
L
DE
IT
ES
N
L
B. Blue
Bk. Black
Br. Brown
G. Grey
Or. Orange
Pk. Pink
R. Red
V. Violet
W. Withe
Y. Yellow
A. Bipolar magneto-thermal circuit breaker
B. ON/OFF switch
C. Manually reset safety thermostat
D. Water pressure switch
E. General shutdown bridge
F. Neutral safety switch
G. Automatically reset 95° C cut-off thermostat
H. Minimum thermostat
I. Two-stage control thermostat
J. Power limitation switch
K. Shutdown bridges for the various stages
L. Power relays
M. Day / night signal
N. Booster pushbutton
O. Calibrator relay preset for a period of one hour
P. Reverse current relay
Q. Summer / winter selector switch
R. Room thermostat (optional)
S. Circulation pump
InstallatIon
CONTROL WIRING DIAGRAM : E-TECH S 380
The control circuit is automatically powered from the power circuit.
It is also protected by a 3A magneto-thermal circuit breaker.
CONNECTING THE ACCESSORIES fOR THE E-TECH S 380
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.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Power supply for optional clock (230 Volt ac)
General shutdown bridge
Contact for day / night signal connection
Room thermostat connection
Load shedding for the 1
st
power stage
Load shedding for the 2
nd
power stage
Load shedding for the 3
rd
power stage
Load shedding for the 4
th
power stage
230v ac
1.1. 1.2.
2.1. 2.2.
11
8
6
5
1
3
15 16
18
Y1
A1
A2
(85-60)°C)
Booster Light
On-Peak Light
C
1
C
2
10
9
12
11
14
13
16
15
2
1
8
7
6
5
4
3
1
2
A
A
B
E
G
C
D
F
I
H
(78-53°C)
I
J
J
K
K
K
K
L
L
L
L
M
N
O
P
Q
R
S
