1. Introducció
The AstralPool NA6888 is a sophisticated regulator, controller, and display unit designed for integration with AstralPool heat pump systems. This device provides essential control and monitoring functionalities for your heat pump, ensuring efficient and reliable operation. Please note that this unit is not compatible with remote control systems.
This manual provides detailed instructions for the proper installation, operation, and maintenance of your NA6888 unit. Please read this manual thoroughly before installation and use to ensure safe and optimal performance.
2. Informació de seguretat
Seguiu sempre les següents pautes de seguretat per evitar lesions o danys a la unitat:
- Seguretat elèctrica: This unit operates on 220V AC. All electrical connections must be performed by a qualified electrician in accordance with local electrical codes and regulations. Ensure the power supply is disconnected before any installation or maintenance work.
- Protecció del medi ambient: The NA6888 unit has an IP65 protection rating, meaning it is protected against dust ingress and low-pressure water jets from any direction. However, avoid direct high-pressure water jets or submersion.
- Ús adequat: Use the device only for its intended purpose as a regulator, controller, and display for AstralPool heat pumps. Do not attempt to modify the unit.
- Manipulació: Handle the unit with care to avoid physical damage.
3. Característiques del producte
The NA6888 unit offers a range of features for comprehensive heat pump management:
- Control integrat: Combines regulation, control, and display functions in a single compact unit.
- Entrades del sensor: Supports dedicated inputs for a Temperature Sensor (T1) and a Defrost Sensor (T2).
- Entrades d'alarma: Features three external alarm signal inputs (S1, S2, S3) for enhanced system monitoring.
- Control de sortida: Provides control outputs for key heat pump components including Water Pump, Fan, Valve, and Compressor.
- Disseny durador: IP65 rated enclosure for protection against dust and water splashes.

Figura 3.1: Frontal view of the NA6888 controller display, showing the digital readout and control buttons.
4. Contingut del paquet
Upon opening the package, verify that all the following components are present:
- 1x NA6888 Regulator-Controller-Display Unit
- 1x Wiring Harness/Cables
- 2x clips de muntatge

Figure 4.1: Included wiring harness.

Figure 4.2: Mounting clips.
5. Configuració i instal·lació
Installation of the NA6888 unit requires careful attention to electrical connections. It is strongly recommended that installation be performed by a qualified and licensed professional.
5.1. Muntatge de la unitat
- Identify a suitable location for the controller, ensuring it is protected from direct sunlight, extreme temperatures, and excessive vibration.
- Cut an appropriate opening in the mounting panel or enclosure, matching the dimensions of the NA6888 unit.
- Insert the NA6888 unit into the opening from the front.
- Secure the unit in place using the provided mounting clips on the sides, ensuring a snug fit.
5.2. Connexions de cablejat
Refer to the wiring diagram printed on the back of the NA6888 unit for precise connection points. Ensure all connections are secure and correctly polarized.

Figure 5.1: NA6888 Wiring Diagram.
Descripcions del terminal:
| Terminal | Descripció | Notes |
|---|---|---|
| T1 | Sensor de temperatura | Connect the main temperature sensor (NTC=5kΩ/25°C). |
| T2 | Sensor de descongelació | Connect the defrost sensor. |
| S1, S2, S3 | External Alarm Signals | Inputs for external alarm triggers. |
| 1, 2 | Entrada de potència | Connect to 220V AC power supply. |
| 6, 7 | Water Pump Output | Control output for the water pump. |
| 8, 9 | Sortida del ventilador | Control output for the fan. |
| 10, 11 | Sortida de la vàlvula | Control output for the valve. |
| 11, 12 | Sortida del compressor | Control output for the compressor. Note shared terminal 11 with Valve. |
After all connections are made, double-check the wiring against the diagram to prevent damage to the unit or connected components.
6. Instruccions de funcionament
Once installed and powered on, the NA6888 display will illuminate, showing current system parameters. The unit features several buttons for navigation and setting adjustments:
- amunt (^) Botó: Used to increase values or navigate up through menu options.
- avall (v) Botó: Used to decrease values or navigate down through menu options.
- Botó SET: Used to enter a menu, confirm a selection, or save a setting.
- Botó M (Menú): Used to access the main menu or exit a sub-menu.
6.1. Funcionament bàsic
- Encès: Ensure the unit is correctly wired and power is supplied. The display will show the current temperature or system status.
- Viewparàmetres d'ing: Use the Up/Down buttons to cycle through various displayed parameters (e.g., temperature readings from T1/T2, set points, operational status).
- Ajust de la configuració:
- Premeu el botó SET button to enter the setting mode for the currently displayed parameter, or press the M botó per accedir al menú principal.
- Use the Up/Down buttons to adjust the value.
- Premeu SET again to confirm and save the new value.
- Premeu M to exit the menu or setting mode.
For detailed programming and advanced settings, refer to the specific programming guide for your AstralPool heat pump model, as the NA6888 acts as the interface for these settings.
7. Manteniment
The NA6888 unit is designed for low maintenance. Regular checks can help ensure its longevity and proper function:
- Neteja: Netegeu periòdicament la pantalla i casing amb un suau, damp drap. No utilitzeu productes de neteja abrasius ni dissolvents. Assegureu-vos que no entri líquid a la unitat.
- Comprovació de la connexió: Annually, or if issues arise, have a qualified technician check all electrical connections for tightness and signs of corrosion.
- Condicions ambientals: Ensure the unit remains within its specified operating environment (temperature, humidity) and that its IP65 rating is not compromised by physical damage.
8. Solució De Problemes
If you encounter issues with your NA6888 unit, consider the following common troubleshooting steps. For complex problems, always consult a qualified technician.
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla està en blanc | No power supply; Loose connection; Unit failure. | Check power source (220V AC). Verify wiring connections. If power is present and connections are secure, the unit may require replacement. |
| Lectura de temperatura incorrecta | Faulty sensor (T1 or T2); Loose sensor connection. | Check sensor wiring. Test sensor resistance (NTC=5kΩ/25°C). Replace sensor if faulty. |
| Outputs (Pump, Fan, etc.) not activating | Incorrect settings; Wiring issue; Component failure. | Verify controller settings. Check wiring to the respective component. Test the component itself. |
| External alarm not registering | Incorrect wiring to S1/S2/S3; Faulty external alarm device. | Check wiring to alarm inputs. Test the external alarm device. |
If troubleshooting steps do not resolve the issue, contact AstralPool customer support or a certified service technician. Information regarding spare parts availability is not provided.
9. Especificacions
| Paràmetre | Valor |
|---|---|
| Número de model | NA6888 |
| Marca | AstralPool |
| Font d'alimentació | 220V AC, 2A max |
| Entrada del sensor de temperatura | T1 (NTC=5kΩ/25°C) |
| Defrost Sensor Input | T2 |
| Entrades d'alarma externes | S1, S2, S3 |
| Sortides de control | Water Pump, Fan, Valve, Compressor |
| Classificació de protecció | IP65 |
| Categoria d'instal·lació | CAT II |
| ASIN | B07XGCN44T |
| Primera data disponible | 21 de juny de 2021 |
10. Garantia i Suport
Specific warranty terms for the NA6888 unit are typically provided at the point of purchase or can be obtained directly from AstralPool. Please retain your proof of purchase for warranty claims.
For technical support, service, or inquiries regarding spare parts, please contact AstralPool customer service or your authorized dealer. Contact information can usually be found on the AstralPool official weblloc web o a la documentació de la compra.





