AB: iS System boiler
A: DHW Cylinder
B: Heating system
B
A
A
AB
AB
B
Terminal block LV iC-Range
ATAG Outdoor sensor 1kOhm*
n.a. = not applicable
ATAG Zone connection
OpenTherm or ON/OFF thermostat
n.a. = not applicable
DHW sensor T3
External safety contact
terminal block
PE
N
PE
L
N
L’
230V o
ut
230V Co
ntro
l
PE
N
L
230V in
N
L
230V o
ut
DO NOT CONNECT 230 VO
LT
* Mounting on north – north/east facade of the house. Prevent outside influences such as snow, ventilation air or chimney heat.
230V live output
to pump
E
N
L
E
L
N
SwL
230V out
230V Control
E
N
L
230V in
N
L
230V out
230V control terminal block iC-Range
N:
Neutral
L:
Live
E:
Earth
N:
Neutral
L:
Live
E:
Earth
L:
Live
N:
Neutral
SwL:
Switched live
230V live input only!
E:
Earth pump
N:
Neutral pump
L:
Live pump
230V live output
230V out
230V in LNE
Cylinder sensor
ATAG outdoor
sensor (optional)
ATAG ONE
ZONE
controller
DO NO
T CONNECT 230 V
OL
T
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