DO NO
T CONNECT 230 V
OL
T
ATAG outside sensor (optional)
Volt free
terminals
ATAG ONE controller
5m
Cylinder sensor
L
N
N
L
E
M
L
N
2 Port zone valve supplied with
unvented cylinder
BOILER
MAINS IN
230 V MAINS SUPPLY
Dual thermostat
Safety limit
thermostat
Cylinder
thermostat
NOT REQUIRED USE
CYLINDER SENSOR
SUPPLIED
Remove any links between
safety limit thermostat and
cylinder thermostat within
the dual thermostat
29
Summary of Contents for BC100124
Page 1: ...Appliance Technical Guide SERVICE ENGINEER EDITION ...
Page 24: ...PCB electrical diagram LMU 24 ...
Page 35: ...Notes 35 ...