DeDietrich EASYMATIC, Instructions For Use, Electrical Connection, Start Up, Page: 20 / 28

m4
Boiler Control Connection s & O ptions
Sensor cables must be separated from
cables in 120V circuits (see page m2).
2 x
0,75 mm
2
mini.
2 x
0,75 mm
2
mini.
8578N009
S EXT
o o
15 14
S CH
17 16
o o
S ECS
19 18
o o
S AMB
A
o
21 20
o
ALI
1 2 3 4 5
CS
6 7
L N
8 9 10 11 12 13
o
23 22
o
S EXT
o o
15 14
S CH
17 16
o o
S ECS
19 18
o o
S AMB
A
o
21 20
o
ALI
1 2 3 4 5
CS
6 7
L N
8 9 10 11 12 13
o
23 22
o
S EXT
o o
15 14
S CH
17 16
o o
S ECS
19 18
o o
S AMB
A
o
21 20
o
M
AIN SUPPLY 120V - 60Hz
ALI
1 2 3 4 5
CS
SAFETY CONTACT
6 7
L N
HEATING PUM
P
8 9 10
LO
AD PUM
P
11 12 13
o
23 22
o
EXTERNAL
S EXT
o o
15 14
BOILER
S CH
17 16
o o
DOM
ESTIC HOT W
ATER
S ECS
19 18
o o
RO
O
M
CIRCUIT A
S AMB
A
o
21 20
o
SENSOR
ALI
1 2 3 4 5
CS
6 7
L N
8 9 10 11 12 13
ALARM
INDICATOR
o
23 22
TELEPHO
NE RELAY
o
S EXT
2 1
C Alim
L
S CH
2 1
S ECS
2 1
S AMB A
2 1
2 1
L N
VA
(A)
L N L N
120V - 60Hz
Minimum wire gauge size:
0.75 mm2 = 18 AWG
1.5mm2 = 14 AWG
Connections
CS = Safety contact for vent safety switch or other
auxiliary limits wired in series.
VA = External alarm output signal [120v]
Telephone Relay - optional connection zone valve end switch
[dry contact], activates system pump upon zone valve call for