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Description
The Alfa 75-RTDF is a complete time control unit for cooler and freezer installations.

The Alfa 75-RTDF has the following functions: * room thermostat with digital read-out * start delay for evaporator fan * defrost clock to start the defrost on interval base or real-time base * end-of-defrost thermostat with time limit * off-cycle, electrical or hot-gas defrost

The Alfa 75-RTDF is a compact control unit for panel mounting. The Alfa 55-RTDF has a range of -50/+50°C. Temperatures above -10°C can be read-out per 0,1°C

All settings can be done by internal parameters.

The Alfanet 75-RTDF has a network connection for read-out and data logging on the Alfanet PC software. The Alfa 75-RTDF does not have this network connection.

The Alfa 75 is supplied with 12Vac. A special transformer can be delivered.

Alfanet 75 RTDF

Price on Request
Serienummer: 904.010177
Technical specifications
Type: Alfanet 75
Housing: Black ABS Plastic
Dimensions: 35 x 77 x 71,5 mm (hwd)
Front: Polyester
Front connection: Screw terminals
Power input: 12 Vac, 50/60 Hz, (-10/+5%)
Measure range: -50/+50°C
Controls: By push buttons on the front
Sensor: SM 811 (PTC sensor, 1000 Ohm at 25°C) (not included)
Relay: cooling SPST contact 250V/5A (NO) heating SPST contact 250V/5A(NO) alarm SPDT contact 250V/5A(NO/NC)(common, not inductive)
Accuracy: ± 0.5% of the range
Network: RS-485 Network Alfanet
Series: Alfanet 75
Functions: Cooling, Natural defrost, Electric defrost, Hot gas defrost, Interval defrost, Real time defrost
Number of sensors: 2
Voltage: 12 V
Housing: Switchboard construction
Description
The Alfa 75-RTDF is a complete time control unit for cooler and freezer installations.

The Alfa 75-RTDF has the following functions: * room thermostat with digital read-out * start delay for evaporator fan * defrost clock to start the defrost on interval base or real-time base * end-of-defrost thermostat with time limit * off-cycle, electrical or hot-gas defrost

The Alfa 75-RTDF is a compact control unit for panel mounting. The Alfa 55-RTDF has a range of -50/+50°C. Temperatures above -10°C can be read-out per 0,1°C

All settings can be done by internal parameters.

The Alfanet 75-RTDF has a network connection for read-out and data logging on the Alfanet PC software. The Alfa 75-RTDF does not have this network connection.

The Alfa 75 is supplied with 12Vac. A special transformer can be delivered.
Download Label Description Type Size
Download Alfanet 75 RTDF Handleiding Nederlands pdf 1.4 MB
Download Alfanet 75 RTDF Manual English pdf 2.1 MB
Download Alfanet 75 RTDF Handbuch Deutsch pdf 1.4 MB