PRODUCTS

ATR131

Thermostat for refrigeration/ airconditioning

Controller 32x74mm; input for NTC sensors; 1/3 relay outputs for compressor, defrost, evaporator fan. Selectable by parameter as Heat/Cool and two measuring ranges.

Memory-Cards available for quick set up and time-saving configuration of productions in volumes.


Ordering codes

ATR131-1A
1 Inp. NTC - 1 Relay / Supp. 24 Vac +/- 10% 50/60Hz
ATR131-1B
1 Inp. NTC - 1 Relay / Supp. 220 Vac +/- 10% 50/60Hz
ATR131-1C
1 Inp. NTC - 1 Relay / Supp. 115 Vac +/- 10% 50/60Hz
ATR131-3A
2 Inp. NTC - 3 Relays / Supp. 24 Vac +/- 10% 50/60Hz
ATR131-3B
2 Inp. NTC - 3 Relays / Supp. 220 Vac +/- 10% 50/60Hz
ATR131-3C
2 Inp. NTC - 3 Relays / Supp. 115 Vac +/- 10% 50/60Hz

Main features

Box
32x74 (front panel) x 53 mm
Power supply
24Vac/115Vac/230Vac ±15% 50/60 Hz
Consumption
3 W
Display
3 digits 0,56" red + 3 signaling leds
Operating conditions
Temperature 0-45 °C, humidity 35..95 uR%
Material
Box: Noryl UL94V1 self-extinguishing, front panel: PC ABS UL94V0 self-extinguishing
Weight
Approx. 100 g
Sealing
Front panel: IP54 (with gasket) , Box IP30, Terminal bloks IP20
Quick set-up options
Memory Card with / without battery

Inputs

Sensors
1 NTC10K - B 3435K (ATR131-1x) / 2 NTC10K - B 3435K (ATR131-3x)
Accuracy
0.5%±1digit

Outputs

Compressor
1 Relay 10A - 250 Vac resistive charge
Defrosting
1 Relay 8A - 250 Vac resistive charge (ATR131-3x)
Fans
1 Relay 5A - 250 Vac resistive charge (ATR131-3x)

Software features

Control algorithms
ON - OFF with hysteresis
Defrosting functions
Programmable defrost frequency and mode, time counting type, end-defrosting temperature and maximum defrosting time
Data protection
Lock against close compressor starts, Lock of control setpoints, access to parameters by password.
Heating function
NTC range selection -40…50°C or 0…100°C
_last update 22/02/2012