Caution
Separate the sensor cables from the 230 V cables.
6.6.3 Access to the connectors
Various thermostats and regulators can be connected to the standard PCB
(PCU) (connector X12).
Access to the connectors:
1. Unscrew the two screws located under the front housing by a quar
ter turn and remove the front housing.
2. Guide the cables from the regulator or the thermostat through the
round grommet(s) on the right-hand side of the boiler bottom plate.
3. Tilt the instrument box forwards by opening the clips on the sides.
4. Open the instrument box by opening the clip on the front.
5. Guide the relevant connection cable(s) through the instrument box
via the grommet(s) provided.
6. Unscrew the strain relief clamps as required (in front of the connec
tor) and guide the cables underneath.
7. Connect the cables to the appropriate terminals on the connector.
8. Screw the strain relief clamps securely into position and close the
control panel.
Fig.17 Access to the connectors
AD-3000075-01
OT
On
/off
Tou
t
Td
hw
BL
RL
X13
X12
7
4
4
3
3
3
1
90º
1
6 Installation
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