Dba Wiring Diagram; 1.10 Electrical Wiring Diagram - Boulter Buderus benchmark 500-24/S Installation And Maintenance Instructions Manual

1 Installation
1.9

DBA wiring diagram

JP1 JP2 JP4 JP3
WARNING!
Do not connect 230V to the connection block on the back of the DBA.

1.10 Electrical wiring diagram

HOT surface ignitor
2
N
L 1
3
PE
1
N
3
L
2
PE
1
2
4
5
Ionisation electrode
Flue gas thermostat
1
4
5
3
2
1
1
2
3
Flow sensor
Safety sensor
Subject to modifications resulting from technical improvements!
22
JP1
High voltage
JP2
1
6 4
L
N
3
1
N
2
3 L
N
4
L
5
JP1
5
6
DBA
14
15
1
11
Switch contact
3
2
0 VAC
24 VAC
9
8
10
4
JP4
7
7
17
15 6
1
16
2
13
12
11
10
JP3
Installation and maintenance instructions for Buderus 500 - 24/S • 03/2005
JP2 JP4
DBA
MAINS SWITCH
MAINS
230 VAC 50 Hz
7
3-WAY VALVE
(external Buderus three-way valve)
6
5
24 VAC
4
HW TANK SENSOR
(Boulter Buderus prod.)
3
2
RTH-CONVERTER OR
1 MODULINK 250 RF
Boulter Buderus Ltd. • http://www.boulter-buderus.co.uk
JP3
Low voltage