AD2-28
107x95x47 mm Din raiL
verSatile Split DeFroSt controller
Cyclic defrosts Synchronized defrost start and termination with master-slave connection
Selectable NTC10K or PTC input FLEXICOLD function for energy saving or alternative
setpoint Optional control of a second compressor or evaporator Excellent evaporator
fan control Absolute or relative temperature alarms, door open alarm, condenser high
temperature/pressure alarm Light and standby control (On/Off) Quick programming
through ZOT-AD2 Connection to LAE supervisory systems Available display unit: LCD-
5S or RU33
Upright refrigerators, plug-in and supermarket display cases, cold stores, control panels.
applicationS:
Range: -50÷120°C, -55…240°F
Resolution: 0.1 / 1 °C; °F
Precision: NTC10K: <±0.3°C (-40.0÷70.0°C)
PTC1000: <±0.5°C (-50÷120°C)
Sensor type: selectable NTC10K o PTC1000
Power supply: 230Vac ±10% 50÷60Hz 3W
technical Data
AD2-28 series
B1S3E-A C2Q4E-A C3R5U-B
Thermostat
Evaporator
Functions
Temperature inputs
Auxiliary
Connections
Uscite
Power supply
230Vac
TTL
Auxiliary 1
Serial port
RS485
Door switch input
DI2 aux.
digital input
Voltage free contact
Voltage free contact
Voltage 12÷24Vac
Defrost synchronisation
Screw terminals
Quick with M/F connectors
Defrost
Auxiliary 2
RU33
LCD-5S
Outputs
Display unit
Evaporator fans
Thermostat
115Vac
All models come with an alarm buzzer. Versions with power supply 12Vac are also available.
Dimensions : 77x35x20 mm (WxHxD) Panel cut-out: 71x29mm
Front protection: IP55
technical Data: lcD-5S DiSplay unit