6
E
.0
4.
99
• G.
13.
11.
02
Installation
Establishing electrical connections
•
Disconnect system from power supply. Main switch "OFF".
•
Check polarity of all connectors.
•
Wire connector unit in accordance with connection diagram. Lay flexible control line so that boiler door
can still be swivelled.
•
Attach cube connector to gas-pressure monitor connector A (grey) and to solenoid valves B (black)
and secure with screw.
•
Check correct wiring of wired connector unit X11 according to connection diagram.
•
Attach 7-pin connector unit for boiler control (X11) to black-brown socket unit on burner (X12).
•
Supply lead to 7-pin connector unit X11 must be protected with a min. 6.3 A slow-blowing or
max. 10 A quick-blowing fuse.
Connection diagram
Key:
F11 External
fuse
F21
Ext. temp. controller, 1st/2nd stages
F3
Ext. safety temperature limiter
Q1
Main heating switch
H11
Ext. pilot lamp
H
13
Ext. fault message lamp
L1
Phase
PE
Protective earth
P11
Service hour meter
N
Neutral
B4
S3
T2
T1
N
PE
L1
N
PE
L1
N
N
F3
F21
H11
P11
H13
Q1
X11
X12
F11
Female adapter X12
on burner
Male adapter X11
to boiler
