6.5.4
Access to the connectors
The SU protection PCB, which protects the boiler, is connected to the
standard PCU-06 PCB. Various thermostats and regulators can be
connected to the standard PCB.
Important
A clearance of 20 cm is required above the control panel to allow
the front cover to open fully. Bear this in mind when installing
cable ducts.
1. Unscrew the 4 lateral retaining screws in the control panel.
2. Remove the protective cover.
The detachable screw connectors are now accessible.
3. Secure the cable(s) using the traction clips (the traction clips are
supplied loose).
4. Screw the strain relief clamps securely into position and close the
control panel.
6.5.5
Connection options for the standard PCB
Connecting the on/off thermostat
Important
This function is only available with the IniControl control panel.
The boiler is suitable for connection to a 2-wire on/off thermostat.
1. Install the thermostat in a reference room.
2. Connect the two-wire cable of the thermostat to the On/Off OT
terminals of the connector. It does not matter which wire is connected
to which cable clamp.
Fig.26
Access to the connectors
AD-0000489-01
N L
Mains
N L
PUMP
ON/OFF
OT
RL
BL
1
4b
2
4a
3c
3c
3a
3b
3b
3b
3
Fig.27
Connecting the on/off thermostat
N L
Mains
N L
PUMP
ON/OFF
OT
RL
BL
AD-0000494-01
6 Installation
7600532 - v.11 - 13122018
39