SZ-7556T Temperature Controller | 20A Relay with Alarm Output for Panel A/C & Oil Coolers
The SZ-7556T Temperature Controller is a heavy-duty controller with 20(8)A compressor relay and 5A alarm output, offering precise 0.1°C control, compressor fault monitoring, password protection, and automatic operation during sensor failure. Ideal for Panel A/C, Oil Coolers, and alarm-critical applications.
Product Summary
The SZ-7556T Temperature Controller is built for demanding refrigeration and cooling applications that require reliable alarm outputs and higher relay capacity. With a 20(8)A compressor relay, fault detection input, and precision temperature management, it ensures efficiency, safety, and durability in industrial cooling systems.
Key Features
Temperature range: 0.0°C to 50.0°C
Resolution: 0.1°C or 1°C (settable)
7 Segment LED display (3 × 17mm)
High-capacity compressor output: 20(8)A
Dedicated 5A alarm output
Cooling & heating mode selection
Digital input for compressor fault monitoring
Settable ON & OFF time delay for compressor protection
Password protection for parameter settings
Auto operation in case of sensor failure/error
High & low temperature event logs
Touch-sensitive keypad for easy operation
Compact panel-mount housing (78 × 36 × 80 mm)
Applications
Panel Air Conditioners (Panel A/C)
Oil Coolers
Chillers requiring dedicated alarm systems
Industrial refrigeration systems
Cooling units where compressor protection and alarm output are critical
Product Benefits
Heavy-duty performance → 20A relay handles higher loads reliably
Enhanced safety → Dedicated alarm relay alerts for system faults
Reliable operation → Auto recovery during sensor failure
Energy efficiency → Optimized ON/OFF time delay prevents power surges
User-friendly → Touch keypad and password protection for secure settings
FAQs
Q1. What is the temperature range supported?
It supports 0.0°C to 50.0°C with a settable resolution of 0.1°C or 1°C.
Q2. Does it include an alarm function?
Yes, it has a dedicated 5A alarm relay for fault indication.
Q3. What type of applications is it suitable for?
It is ideal for Panel A/C, Oil Coolers, Chillers, and other critical refrigeration systems.
Q4. How does it protect the compressor?
It includes a 20A relay, ON/OFF delay setting, and fault input monitoring for compressor protection.