Atag i28C Technical Guide

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 out
230V Control
PE
N
L
230V in
N
L
230V out
DO NOT CONNECT 230 VOLT
* 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 NOT CONNECT 230 VOLT
53

Atag i28C Specifications

General

Brand	Atag
Model	i28C
Category	Boiler
Language	English