1. Introducere
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: Față view of the ZL-6210A+ Temperature Controller, showing the display and control buttons.
2. Informații de siguranță
Please read all safety instructions carefully before installation and operation. Failure to follow these instructions may result in electric shock, fire, or damage to the device.
- Pericol electric: Acest dispozitiv funcționează cu volum maretage (185-245Vac). Installation should only be performed by qualified personnel.
- Deconectați alimentarea: Always disconnect power to the circuit before performing any wiring or maintenance.
- Împământare adecvată: Asigurați-vă că dispozitivul este împământat corespunzător, conform codurilor electrice locale.
- Conditii de mediu: Do not expose the controller to excessive moisture, dust, or corrosive environments beyond its specified working conditions.
- Capacitate de încărcare: Do not exceed the maximum current rating of the relay (30A for R1, 5A for R2).
3. Specificații
| Parametru | Valoare |
|---|---|
| Alimentare electrică | 185 ~ 245Vac, 50/60Hz |
| Tip senzor | NTC (2 meters long) |
| Output Relay R1 | 30A / 250Vac (resistive load) |
| Output Relay R2 | 5A / 250Vac (resistive load) |
| Interval de setare | -40 ~ 120°C |
| Interval de afișare | -40 ~ 130°C |
| Mediul de lucru | -10 ~ 45°C, 5 ~ 90%RH (non-condensing) |
| Dimensiuni (L x A x A) | 78 x 34.5 x 71 mm |
| Installation Drilling (W x H) | 71 x 29 mm |
| Materiale de carcasă | PC + ABS rezistent la foc |
| Nivel de protecție | IP65 (doar partea frontală) |
| Greutatea articolului | 1.76 uncii (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. Instalare
4.1 Montare
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 Cablare
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: Spate 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.
Conexiuni terminale:
- 1, 2: R1 Temperature Output (30A / 250V~)
- 3, 4: (Not explicitly labeled in diagram, often for auxiliary functions or R2 if present)
- 5 (L), 6 (N): Power Supply Input (220V~)
- 7, 8: Intrare de alarmă
- 9, 10: Temperature Sensor Input (NTC)
5. Funcționare
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: Intern view showing the digital display and buttons (S1, S2, S3, S4) used for parameter setting and navigation.
Funcții de bază:
- Afișare temperatură: Afișează temperatura măsurată curent.
- Ajustarea punctului de referință: Allows users to set the desired target temperature.
- Selectarea modului: Typically allows selection between heating and cooling modes.
- Setări de alarmă: Configures high/low temperature alarms.
6. Întreținere
Regular maintenance ensures optimal performance and longevity of your temperature controller.
- curatenie: Curăţaţi panoul frontal cu un material moale, damp o lavetă. Nu utilizați substanțe de curățare abrazive sau solvenți. Asigurați-vă că nu pătrunde lichid în dispozitiv.
- Verificare de mediu: Periodically inspect the installation environment to ensure it remains within the specified temperature and humidity ranges.
- Inspecția cablajului: Check all wiring connections periodically for tightness and signs of wear or corrosion.
- Sensor Condition: Ensure the temperature sensor is clean and free from damage.
7. Depanare
If you encounter issues with your ZL-6210A+, refer to the following common problems and solutions:
| Problemă | Cauza posibila | Soluţie |
|---|---|---|
| Controlerul nu pornește | No power supply; Incorrect wiring; Blown fuse | Check power connections; Verify wiring against diagram; Check for internal fuse (if accessible, consult professional) |
| Citirea incorectă a temperaturii | 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 |
| Afișajul arată codul de eroare | Sensor error; Internal fault | Refer to the full manufacturer's manual for specific error code meanings and solutions. |
8. Garanție și asistență
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 website-ul sau contactați serviciul pentru clienți.
A comprehensive manual can be found at: www.suzhoulily.com/pdf/ZL-62x0A(plus)_en_2.0d.pdf





