Atag XL75W User Manual

43
Installation
Electrical connection
Contact Line Type Name Function Description Electrical Description
1 Line
Line
(AC)
Main input
The Main Power supply to
the boiler
230V (+10%; -15%) @50Hz2 Neutral
3 Earth
4 Line
Line
(AC)
Main Output
Output of the main power
input, Live when the switch of
the bloiler is on
Same as Input5 Neutral
6 Earth
7 Line
MO1
(AC)
MO1
System pump
will run with the boiler pump
of the master
230/120VAC; 1A max (80A inrush max);
Live switched
8 Neutral
9 Earth
Contact Line Type Name Function Description Electrical Description
1 Line
3 WV/DHW
pump
3 way Valve
Active CH
230/120 VAC; 1A max Fused
2 Neutral 3 way Valve/P2
3 Line P2 / 3 way valve
Active for DHW
230/120 VAC; 1A max 80A inrush max fused
4 Earth Protective Earth
5 1.1
VFR1
Volt Free
Contact 1
a.i. HC1 pump
230VAC 2A max 80A inrush max not fused relay
6 1.2
7 2.1
VFR2
Volt Free
Contact 2
a.i. Alarm Output 230VAC 1A max (cos phi > 0.8) not fused relay
8 2.2
9 3.1
VFR3
Volt Free
Contact 2
DL/SJVKXWRႇYDOYH
230VAC 1A max (cos phi > 0.8) not fused relay
10 3.2
LN LN LN
Line
(
AC
)
Line
(
AC
)
MO1
(
AC
)
Input Output Output
L1 N L2 1.1 1.2 2.1 2.2 3.1 3.2
3 WV/DHW pump (AC) VFR3
VFR2VFR1
Output Output
Output Output
1
2
See tables on pages 45-47.
See tables on pages 45-47.

Atag XL75W Specifications

General

Brand	Atag
Model	XL75W
Category	Boiler
Language	English