AT2-5
Refrigeration controller for chilled and frozen applications
The AT2-5 is a universal refrigeration controller for chilled and frozen storage.
The AT2-5 ICE features a modified front panel.
This was specifically designed for ICEBANK requirements.
With this electronic system, the ICEBANK function can be activated manually via the ICE button according to customer requirements.
Properties
- Choice of cooling or heating function
- Direct compressor control via 16(5)A high-power relay
- Optimised evaporator fan control
- Configurable auxiliary output for six operating modes
- Selectable NTC10K or PTC input
- Defrost via compressor stop, electric defrost or hot gas defrost
- Alarm message for temperature and door opening
- Optional light control button
- Connection to monitoring systems such as LAE TAB
- UL certified
Applications
- Small cold rooms
- Refrigerators
Advantages
- Heating or cooling function / 2 parameter groups / door contact / ICEBANK
Technical data
| AT2-5BS4E-AG | AT2-5BS4E-1SB | |
|---|---|---|
| Sensor type | PTC1000 (KTY81-121) / NTC10k | PTC1000 (KTY81-121) / NTC10k |
| Standard equipment | 2 x SN4B20P1…2 | 1 x SN4B20P1 |
| Sensor measuring range | -40 … +105°C | -40 … +105°C |
| Controller regulation range | -50°C … +120°C | -50°C … +120°C |
| Resolution | 0.1° | 0.1° |
| Input | Door contact | Door contact |
| Terminals | Screw terminals | Screw terminals |
| Output type | ||
| Relay 1 / NO contact | 16 (5)A compressor | 16 (5)A compressor |
| Relay 2 / NO contact | 7 (2)A evaporator fan | 7 (2)A evaporator fan |
| Relay 3 / NO contact | 7 (2)A AUX | 7 (2)A AUX |
| Interface | TTL | TTL |
| Power supply | 230Vac | 230Vac |
| Dimensions WxHxD | 77x35x77mm | 77x35x77mm |
| Installation dimensions WxH | 71x29mm | 71x29mm |
| Front protection rating | IP 55 | IP 55 |
| Certification | CE / UL | CE / UL |