Boiler Connections
22
Connections
(continued)
Accessing the control unit cables
1.
To open hinged cover, lift cover and
pivot control unit flap down.
2.
Release the hinged hooks located on
both sides of the control unit.
3.
Fold down the control unit.
4.
Release locking tabs as shown.
5.
Remove cover.
6.
Route all connecting cables to the
appropriate areas and secure the
cables to the control base using
existing strain reliefs as shown.
Legend
Low voltage connections
230 VAC connections
Communications module
(accessories)
Main PCB
Strain relief for power supply cable
Plug for connecting the DHW
temperature sensor to the cable
harness.
5
3
6
9
2
9
7
v
1
.6
5.
7x
2x
1.
3.
2.
B
C
A
D
E
5
6.
Fig. 17
4.
When running and securing
connecting cables on site, ensure
that the maximum permissible
temperatures of the cables are not
exceeded.
CAUTION
