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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.
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.
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.