SZ-7566T Temperature Controller | 20A Relay with Alarm Output | –40°C to +99°C
The SZ-7566T Temperature Controller features a 20(8)A compressor relay, 5A alarm relay, wide –40°C to +99°C range, and 0.1°C precision. Designed for Panel A/C, Oil Coolers, and industrial refrigeration applications where alarm output and compressor protection are critical.
Product Summary
The SZ-7566T Temperature Controller is a high-capacity, wide-range controller engineered for demanding cooling applications. With a 20A compressor relay, alarm output, fault detection, and precision control, it is ideal for Panel A/Cs, Oil Coolers, and refrigeration systems requiring safety alarms. Its compact design, touch-sensitive keypad, and password-protected parameters make it reliable and user-friendly for industrial use.
Key Features
Wide temperature range: –40°C to +99°C
Resolution: 0.1°C or 1°C (settable)
Heavy-duty compressor relay: 20(8)A
Dedicated 5A alarm relay for faults
7 Segment LED display (3 × 17mm)
Cooling & heating mode selection
Digital input for compressor fault detection
Settable ON/OFF compressor delay for protection
Password protection for secure settings
Auto operation during sensor failure
High & low temperature logging
Compact panel mount housing (78 × 36 × 80 mm, cutout 71 × 29 mm)
Applications
Panel Air Conditioners (Panel A/C)
Oil Coolers
Industrial chillers
Refrigeration systems with alarm requirement
Cooling systems with compressor protection needs
Product Benefits
Wide temperature control: –40°C to +99°C makes it versatile for multiple applications
High capacity: 20A relay supports heavy-duty compressors
Built-in safety: alarm relay, compressor fault input & delay protection
Reliable operation: Auto recovery during sensor failure keeps systems running
User-friendly: Touch keypad with password-protected settings
FAQs
Q1. What is the supported temperature range?
It supports –40°C to +99°C with a settable resolution of 0.1°C or 1°C.
Q2. Does it provide alarm functionality?
Yes, it has a dedicated 5A alarm relay for fault alerts.
Q3. What applications is it best suited for?
It is ideal for Panel A/C, Oil Coolers, chillers, and industrial refrigeration systems.
Q4. How does it protect compressors?
It includes a 20A heavy-duty relay, ON/OFF delay, and compressor fault input for reliable protection.