
1 Outdoor temperature sensor
2 Safety thermostat for underfloor heating flow
3 Circuit B room thermostat
4 Flow sensor on circuit B
5 Circulating pump for circuit B
6 Circuit B three-way valve
7 Circuit A room thermostat
8 Bus for connection to the outdoor unit
9 230 V power supply from the EHC–06 PCB
10 Communication connecting the EHC–06 and
SCB-04 PCBs
11 BUS terminal connector, supplied with the SCB-04
kit
EH916 Second circuit control system PCB kit
EH917 Hydraulic kit for second circuit
1. Connect the accessories and options to the EHC–06 PCB, respecting
the 230-400 V and 0-40 V cable feed-throughs.
2. Connect the accessories and options to the SCB-04 PCB, respecting
the 230-400 V and 0-40 V cable feed-throughs.
3. On initial start-up, or after a reset of the factory parameters, set the
CN1 and CN2 parameters according to the output of the outdoor unit.
4. Select the number corresponding to the installation type by pressing
the or key.
Installation type
No.
1 direct heating c 1 underfloor heating c 1
domestic hot water tank
04
Selecting the installation type enables automatic configuration of the
parameters required for the control panel to operate correctly
(gradient, maximum circuit temperature, etc.).
5. Activating hydraulic management for a system with low-loss header:
Installer menu \ EHC–06 \ ADV, set the parameter HP086 to 1.
6. Confirm the selection by pressing the
key.
The main parameters are set.
8 Connection and installation examples
94
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