1. Introdução
This manual provides comprehensive instructions for the installation, setup, operation, and maintenance of the Subzero SZ-7569T Touch Sensitive Temperature Controller. Please read this manual thoroughly before using the device to ensure proper function and safety. Keep this manual for future reference.
2. Produto acabadoview
The Subzero SZ-7569T is a precise, touch-sensitive temperature controller designed for various industrial and scientific applications. It features a clear digital display and intuitive touch controls for easy temperature management.

Figure 1: Subzero SZ-7569T Front Panel
The image displays the front panel of the Subzero SZ-7569T temperature controller. It features a black casing with a bright red digital LED display showing '28°C'. To the left, the 'sub-zero' brand name is visible. On the right, there are touch-sensitive buttons for 'Up' (arrow), 'Power' (circle with line), 'PRG' (program) with a 'Down' arrow, and 'SET' (set). A snowflake icon is also visible next to the temperature reading, indicating a cooling function.
3. Especificações
| Recurso | Detalhe |
|---|---|
| Marca | Sub Zero |
| Modelo | SZ-7569T |
| Fabricante | PVR Control |
| País de origem | Índia |
| Cor | Preto |
| Peso do item | 210 g |
| Dimensões do produto (CxLxA) | 10 x 6 x 4 cm |
| Volumetage | 220 Volts (CA) |
| Tipo de exibição | Tela sensível ao toque |
4. Instalação
Proper installation is crucial for the accurate and safe operation of the temperature controller. It is recommended that installation be performed by a qualified technician.
- Desconexão de energia: Ensure all power to the installation area is disconnected before beginning any wiring.
- Montagem: Mount the controller in a secure, dry location away from direct heat sources, excessive vibration, or corrosive environments. Ensure adequate ventilation.
- Fiação: Connect the power supply, temperature sensor, and controlled device (e.g., heater, cooler) to the appropriate terminals on the controller. Refer to the wiring diagram provided with the product packaging for specific connections. Ensure all connections are secure and correctly polarized.
- Colocação do Sensor: Position the temperature sensor in the area where temperature control is required, ensuring it accurately reflects the desired measurement point and is not influenced by external factors.
- Conexão de energia: Após toda a fiação estar concluída e verificada, restabeleça a energia do sistema.
Warning: Incorrect wiring can lead to device malfunction, damage, or electrical hazards. Always consult the detailed wiring diagram.
5. Configuração inicial
After installation, perform the following steps for initial setup:
- Ligar: Pressione o ⏻ (Power) button to turn on the device. The display will illuminate.
- Check Sensor Reading: Verify that the display shows a plausible temperature reading. If an error code appears, refer to the Troubleshooting section.
- Configurações de acesso: Pressione o DEFINIR button to enter the temperature setting mode.
- Adjust Setpoint: Use o ⌃ (Para cima e ⌄ (Down) buttons to adjust the desired temperature setpoint.
- Confirm Setpoint: Imprensa DEFINIR again to confirm the new setpoint and exit the setting mode.
- Program Mode (PRG): For advanced settings such as hysteresis, calibration, or alarm limits, press the PRG button. Navigate through parameters using the Up/Down arrows and confirm changes with DEFINIR. Consult the full programming guide for detailed parameter descriptions.
6. Operação
The Subzero SZ-7569T operates automatically once the setpoint and parameters are configured. The display shows the current measured temperature.
- Exibição de temperatura: The large digital display continuously shows the current temperature measured by the sensor.
- Cooling/Heating Indicator: A snowflake icon (❅) or similar indicator will illuminate when the cooling or heating output is active, depending on the configured mode.
- Adjusting Setpoint During Operation: Pressione brevemente DEFINIR, então use ⌃ (Para cima) ou ⌄ (Down) to change the setpoint. Press DEFINIR novamente para salvar.
- Ligar/desligar: Pressione e segure o ⏻ (Power) button for a few seconds to turn the device off or on.
7. Manutenção
Regular maintenance ensures the longevity and accuracy of your Subzero SZ-7569T temperature controller.
- Limpeza: Limpe a tela e casing com um suave, damp cloth. Do not use abrasive cleaners, solvents, or excessive moisture, as these can damage the touch panel or internal components.
- Inspeção do Sensor: Periodically check the temperature sensor for any signs of damage or corrosion. Ensure it is securely in place.
- Conexões: Occasionally inspect wiring connections to ensure they remain tight and free from corrosion.
- Verificação de calibração: If accuracy is critical, periodically verify the controller's readings against a calibrated reference thermometer. Recalibrate if necessary, following the instructions in the programming guide.
Caution: Always disconnect power before performing any maintenance that involves opening the device or accessing internal wiring.
8. Solução De Problemas
This section addresses common issues you might encounter with the Subzero SZ-7569T.
| Problema | Possível causa | Solução |
|---|---|---|
| Display está em branco | No power supply; Loose wiring; Device malfunction. | Check power connection; Verify wiring; Contact support if power is present and wiring is correct. |
| Leitura incorreta de temperatura | Faulty sensor; Sensor incorrectly placed; Calibration error. | Check sensor connection and placement; Replace sensor if damaged; Perform calibration. |
| Controller not switching output | Setpoint not reached; Hysteresis setting too wide; Wiring issue; Device malfunction. | Verify setpoint and current temperature; Adjust hysteresis; Check output wiring; Contact support. |
| Botões que não respondem | Temporary software glitch; Physical damage to touch panel. | Power cycle the device; If issue persists, contact support. |
Se você encontrar um problema que não esteja listado aqui ou se as soluções sugeridas não resolverem o problema, entre em contato com o suporte ao cliente.
9. Garantia e Suporte
The Subzero SZ-7569T Touch Sensitive Temperature Controller is covered by a standard manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included with your product for specific terms and conditions, including the warranty period.
For technical support, service, or warranty claims, please contact PVR Control customer service. Ensure you have your product model number (SZ-7569T) and purchase details available when contacting support.
Fabricante: PVR Control
Modelo: SZ-7569T





