Remeha - Wired connection - Multi-zone heating/cooling
What do you need?
In short | Extra information | |
|---|---|---|
General | Specific electrical wiring is required. | |
 | Your Niko Home Control installation meets the following requirements:
| You need the following if you want to use the Niko Home control multi-zone thermostat control:
|
 | Your partner system meets the following requirements:
| The X1 output contact on the SCB-01 board indicates whether the heating/cooling mode is active. The R-bus input contact on the EHC-05 Neptuna PCB is used for the Heat/Cool demand. |
Wiring diagram for multi-zone heating/cooling
The table below shows how you can use Niko Home Control with your Remeha system and enable Niko routines.
Niko Home Control set-up | Wiring diagram | Enable a Niko routine with a partner |
|---|---|---|
Multi-zone heating/cooling – | EHC-05 Neptuna PCB:  SCB-01 board:  | The R-bus input on the connector X12 of the EHC-05 Neptuna PCB is used for Heat/Cool demand. You need to connect the 2 inputs of that R-Bus to the H/C output and common of the NHC HVAC module The X1 output contact on the SCB-01 board indicates whether the heating/cooling mode is active. You need to connect the NO and the Common outputs from the X1 contact to an input and common of the Niko Home Control digital potential-free sensor module |
Settings for multi-zone heating/cooling
To view HVAC programming examples, please see Niko Home Control programming examples.
Multi-zone heating/cooling with zone valves can only be performed if the following conditions are met:
The heat pump has a buffer tank connected in parallel, as well as an additional bypass circuit.
The heat pump only takes into account the weather-dependent control, clock program (or manual) and flow temperature T0.
The heat pump decides between heating or cooling, depending on the weather. The Niko Home Control thermostats must be forced/blocked in the relevant mode via the Niko Home Control digital input module connected to output X1.
Input closed = cooling
Input open = heating