1. Introdución
The Lilytech ZL-6210A+ is a high-performance temperature controller designed for precise temperature management. Featuring a robust 30A relay output, it is suitable for a wide range of heating or cooling applications. This manual provides essential information for the safe installation, operation, and maintenance of your ZL-6210A+ controller.

Figura 1: Fronte view of the ZL-6210A+ Temperature Controller, showing the display and control buttons.
2. Información de seguridade
Lea atentamente todas as instrucións de seguridade antes da instalación e o funcionamento. O incumprimento destas instrucións pode provocar descargas eléctricas, incendios ou danos no dispositivo.
- Risco eléctrico: Este dispositivo funciona con alto volumetage (185-245Vac). Installation should only be performed by qualified personnel.
- Desconectar a enerxía: Always disconnect power to the circuit before performing any wiring or maintenance.
- Conexión a terra adecuada: Ensure the device is properly grounded according to local electrical codes.
- Condicións ambientais: Do not expose the controller to excessive moisture, dust, or corrosive environments beyond its specified working conditions.
- Capacidade de carga: Do not exceed the maximum current rating of the relay (30A for R1, 5A for R2).
3. Especificacións
| Parámetro | Valor |
|---|---|
| Fonte de alimentación | 185 ~ 245 V CA, 50/60 Hz |
| Tipo de sensor | NTC (2 meters long) |
| Output Relay R1 | 30A / 250Vac (resistive load) |
| Output Relay R2 | 5A / 250Vac (resistive load) |
| Rango de configuración | -40 ~ 120 °C |
| Rango de visualización | -40 ~ 130 °C |
| Ambiente de traballo | -10 ~ 45°C, 5 ~ 90%RH (non-condensing) |
| Dimensións (W x H x D) | 78 x 34.5 x 71 mm |
| Installation Drilling (W x H) | 71 x 29 mm |
| Materiais do caso | PC + ABS a proba de lume |
| Nivel de protección | IP65 (só cara frontal) |
| Peso do elemento | 1.76 onzas (aprox. 50 g) |
NTC Sensor Selection
The ZL-6210A+ uses NTC sensors. Different sensor types are available, varying in seal material, wire length, resistance, and B-value. Ensure the correct sensor type is used for your application.

Figure 2: NTC Sensor Selection table, detailing specifications for Metal, TPE, and Water sealed sensors.
4. Instalación
4.1 Montaxe
The ZL-6210A+ is designed for panel mounting. Create an opening in your panel with the dimensions of 71 mm (width) x 29 mm (height). Insert the controller into the opening and secure it using the provided clips.
4.2 Cableado
Refer to the wiring diagrams below for proper connection. Ensure all connections are secure and comply with local electrical codes. The main power input is 185-245Vac. The primary temperature output (R1) is rated for 30A.

Figura 3: Traseira view of the ZL-6210A+ showing the terminal block layout. Terminals 1-2 are for R1 Temp. Output, 3-6 for 220V~ power (L, N), and 7-10 for Alarm Input and Temp. Sensor.

Figure 4: Simplified wiring diagram. Connect power to terminals 5 (L) and 6 (N). Connect the temperature sensor to terminals 9 and 10. The main relay output (R1) is connected to terminals 1 and 2. An alarm input can be connected to terminals 7 and 8.
Conexións de terminal:
- 1 de 2: R1 Temperature Output (30A / 250V~)
- 3 de 4: (Not explicitly labeled in diagram, often for auxiliary functions or R2 if present)
- 5 (L), 6 (N): Power Supply Input (220V~)
- 7 de 8: Entrada de alarma
- 9 de 10: Temperature Sensor Input (NTC)
5. Funcionamento
The ZL-6210A+ features a digital display and control buttons for setting parameters. Specific operational details, including setting the desired temperature, hysteresis, and alarm functions, are typically accessed via a menu system. Refer to the detailed manual available from the manufacturer for complete programming instructions.

Figura 5: Interno view showing the digital display and buttons (S1, S2, S3, S4) used for parameter setting and navigation.
Funcións básicas:
- Visualización da temperatura: Mostra a temperatura medida actualmente.
- Axuste do punto de consigna: Allows users to set the desired target temperature.
- Selección de modo: Typically allows selection between heating and cooling modes.
- Configuración da alarma: Configures high/low temperature alarms.
6. Mantemento
Un mantemento regular garante un rendemento óptimo e unha maior duración do controlador de temperatura.
- Limpeza: Limpe o panel frontal cun suave, damp cloth. Do not use abrasive cleaners or solvents. Ensure no liquid enters the device.
- Verificación ambiental: Periodically inspect the installation environment to ensure it remains within the specified temperature and humidity ranges.
- Inspección de cableado: Check all wiring connections periodically for tightness and signs of wear or corrosion.
- Condición do sensor: Ensure the temperature sensor is clean and free from damage.
7 Solución de problemas
If you encounter issues with your ZL-6210A+, refer to the following common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| O controlador non se acende | Sen subministración de enerxía; Cableado incorrecto; Fusible fundido | Check power connections; Verify wiring against diagram; Check for internal fuse (if accessible, consult professional) |
| Lectura incorrecta da temperatura | Faulty sensor; Sensor not connected properly; Sensor placed incorrectly | Check sensor wiring; Replace sensor if damaged; Relocate sensor to a representative area |
| Output relay (R1) not switching | Temperature not within set range; Incorrect parameter settings; Faulty relay | Verify set point and hysteresis; Check operating mode (heating/cooling); Consult professional for relay replacement |
| A pantalla mostra o código de erro | Sensor error; Internal fault | Refer to the full manufacturer's manual for specific error code meanings and solutions. |
8. Garantía e soporte
For warranty information, please refer to the terms provided by your retailer or the manufacturer at the time of purchase. For detailed technical support, additional documentation, or specific programming instructions, please visit the official Lilytech websitio ou póñase en contacto co seu servizo de atención ao cliente.
A comprehensive manual can be found at: www.suzhoulily.com/pdf/ZL-62x0A(plus)_en_2.0d.pdf