Alnor HRU-P
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Description
This template allows you to fully control your HRU-P (wired control system) with modbus R/RW registers .
As part of the system, it is necessary to have the Modbus Extension from Loxone.
Combing a heat recovery unit with the loxone system offers the possibility of:
- Addition of functional construction diagram to the mobile application, - Ability to monitor the unit's operation, - Control of individual fan speed settings, - Monitoring of indoor air quality based on readings from internal and external sensors, - Manual control of the damper bypassing the heat exchanger, - Possibility to divide the house into separate air distribution zones using a zoning system
Depending on the model, there are two types of connections for Modbus Extension to the PCB controlling the devices.
Structure for HRU-SlimAIR-P, HRU-PremAIR-P, HRU-MinistAIR-P:
Structure for FlatAIR/ FlatAIR -X/ FlatAIR -Xwall/BoxAir/MaistAIR:
Zoning system: Zoning is a solution designed for residential ventilation systems that divides the supply air system into minimum two controlled zones. Why ventilate rooms when no one is there? Airflow is controlled by dampers with actuators, which are regulated based on demand signals sent by CO2 sensors installed in each zone. This system detects the presence of occupants and delivers the right amount of fresh air at the right time and in the right place.
The template includes a dedicated zoning program for Alnor units, which allows you to divide your home into several ventilation zones.
Functional scheme depending on the unit:
HRU-SlimAIR-P
HRU-PremAIR-P
HRU-MinistAIR-P
HRU-FlatAIR-P
HRU-BoxAIR-P
HRU-MaistAIR
Functionality shortcuts:
Inputs and outputs · 72
| Name | Type | Unit |
|---|---|---|
| Error Status (R) | Modbus | <v.1> |
| Work Mode (RW) | Modbus | <v.1> |
| Exhaust temperature sensor (R) | Modbus | ºC |
| Extract temperature sensor (R) | Modbus | ºC |
| Inlet temperature sensor (R) | Modbus | ºC |
| Supply temperature sensor (R) | Modbus | ºC |
| Pre-heater thermostat (R) | Modbus | <v.1> |
| Afterheater thermostat (R) | Modbus | <v.1> |
| Bypass status (R) | Modbus | <v.1> |
| SAP signal (R) | Modbus | <v.1> |
| Pre-heater status (R) | Modbus | <v.1> |
| Afterhater status (R) | Modbus | <v.1> |
| Bypass position (R) | Modbus | % |
| Time Mode OUT (RW) | Modbus | <v.1> |
| Time Mode PARTY (RW) | Modbus | <v.1> |
| Fireplace Mode (RW) | Modbus | <v.1> |
| Supply fan speed (R) | Modbus | % |
| Exhaust fan speed (R) | Modbus | % |
| Supply fan speed - Speed 1 (RW) | Modbus | % |
| Supply fan speed - Speed 2 (RW) | Modbus | % |
| Supply fan speed - Speed 3 (RW) | Modbus | % |
| Exhaust fan speed - Speed 2 (RW) | Modbus | % |
| Exhaust fan speed - Speed 3 (RW) | Modbus | % |
| Exhaust fan speed - Speed 1 (RW) | Modbus | % |
| Flow setpoint supply (R) | Modbus | m3/h |
| Supply fan flow - Speed 2 (RW) | Modbus | m3/h |
| Flow setpoint exhaust (R) | Modbus | m3/h |
| Flow reading supply (R) | Modbus | m3/h |
| Flow reading exhaust (R) | Modbus | m3/h |
| Supply fan flow - Speed 1 (RW) | Modbus | m3/h |
| Supply fan flow - Speed 3 (RW) | Modbus | m3/h |
| Exhaust fan flow - Speed 1 (RW) | Modbus | m3/h |
| Exhaust fan flow - Speed 2 (RW) | Modbus | m3/h |
| Exhaust fan flow - Speed 3 (RW) | Modbus | m3/h |
| GHE status (R) | Modbus | <v.1> |
| GHE mode (RW) | Modbus | <v.1> |
| GHE winter temperature (RW) | Modbus | ºC |
| GHE summer temperature (RW) | Modbus | ºC |
| Filter alarm (R) | Modbus | <v.1> |
| Turn ON/OFF (RW) | Modbus | <v.1> |
| Supply filter days left (R) | Modbus | days |
| Exhaust filter days left (R) | Modbus | days |
| Supply air filter - depletion (R) | Modbus | % |
| Exhaust air filter - depletion (R) | Modbus | % |
| Reset filter counting (RW) | Modbus | <v.1> |
| Bypass control (RW) | Modbus | <v.1> |
| Airing time mode (RW) | Modbus | <v.1> |
| Humidity indoor (R) | Modbus | % |
| CO2 indoor (R) | Modbus | ppm |
| Work Mode (RW) | Modbus | <v.1> |
| Time Mode OUT (RW) | Modbus | <v.1> |
| Time Mode PARTY (RW) | Modbus | <v.1> |
| Fireplace Mode (RW) | Modbus | <v.1> |
| Supply fan speed - Speed 1 (RW) | Modbus | % |
| Supply fan speed - Speed 2 (RW) | Modbus | % |
| Supply fan speed - Speed 3 (RW) | Modbus | % |
| Exhaust fan speed - Speed 1 (RW) | Modbus | % |
| Exhaust fan speed - Speed 3 (RW) | Modbus | % |
| Exhaust fan speed - Speed 2 (RW) | Modbus | % |
| Supply fan flow - Speed 1 (RW) | Modbus | m3/h |
| Supply fan flow - Speed 2 (RW) | Modbus | m3/h |
| Supply fan flow - Speed 3 (RW) | Modbus | m3/h |
| Exhaust fan flow - Speed 1 (RW) | Modbus | m3/h |
| Exhaust fan flow - Speed 2 (RW) | Modbus | m3/h |
| Exhaust fan flow - Speed 3 (RW) | Modbus | m3/h |
| GHE mode (RW) | Modbus | <v.1> |
| GHE winter temperature (RW) | Modbus | ºC |
| GHE summer temperature (RW) | Modbus | ºC |
| Turn ON/OFF (RW) | Modbus | <v.1> |
| Reset filter counting (RW) | Modbus | <v.1> |
| Bypass control (RW) | Modbus | <v.1> |
| Airing time mode (RW) | Modbus | <v.1> |
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