STC-9100 Digital Temperature Controller for Freezers and Refrigeration Systems
The STC-9100 is a digital temperature controller designed for cold storage, freezers and refrigeration units. It supports cooling, defrost and alarm functions, making it suitable for many commercial and home systems. You can choose between 12V, 24V or 220V models. The controller uses a clear LED display and offers precise temperature control within a range of –50°C to 50°C.
The menu is split into user and administrator sections. This lets you control daily settings easily while keeping advanced parameters protected. The controller supports differential control, several alarm modes and options for managing defrost cycles. It is built for stable operation and includes protection features for both the compressor and the system.
Main functions
• Cooling and defrost modes
• Adjustable alarm settings
• User and admin menus
• Temperature accuracy of ±1°C
• LED display with status indicators
• Optional copy key function
Cooling and frost control
You can set temperature limits and define how the compressor and defrost cycles operate. This helps keep storage temperatures stable while reducing ice build-up. The alarm function alerts you if temperatures move outside your chosen range.
Technical details
Model: STC-9100
Supply voltage: 12V / 24V / 220V (depending on model)
Control range: –50°C to 50°C
Power consumption: under 5W
Ambient temperature: 0–60°C
Humidity: 20–85% (no condensation)
Accuracy: ±1°C
Relay capacity (compressor): 8A / 220VAC
Relay capacity (alarm & defrost): 8A / 220VAC
Display: three-digit LED with status indicators
Package contents
1 × temperature controller
2 × cables
1 × user manual
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Policy Detail
Description
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