LAE LTR-5 Series Instructions For Use Manual page 51

AR2-28
107 95
x x
v S D
erSatile plit eFroSt
Up to 6 real time defrosts Synchronized defrost start and termination with master-
slave connection Selectable NTC10K or PTC input
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-AR2 Connection to LAE supervisory systems Available
display unit: LCD-5S or RU33
a
pplicationS
Cold stores, control panels, upright refrigerators, plug-in and supermarket display cases, and all those
plants where real time defrost starts are needed.
Functions
Temperature inputs Thermostat
Evaporator
Auxiliary
Door switch input Voltage free contact
Voltage free contact
DI2 aux.
digital input 12÷24Vac voltage
Defrost synchronisation
Connections Quick with M/F connectors
Screw terminals
Display unit
LCD-5S
RU33
Thermostat
Outputs
Evaporator fans
Defrost
Auxiliary 1
Auxiliary 2
Power supply
230Vac
115Vac
TTL
Serial port
RS485
All models come with an alarm buzzer. Versions with power supply 12Vac are also available.
47 Din
mm raiL
c
ontroller with
FLEXICOLD function for energy
AR2-28 series
B1S3E-B C2Q4E-B
rtc
C3R5U-A
t D
echnical ata
Dimensions:
Front protection:
t D
echnical ata
Range:
Resolution:
Precision:
Sensor type:
Rechargeable battery:
Power supply:
Wiring diagrams
: ru33
DiSplay unit
169x38x25 mm (WxHxD)
IP55
NTC10K:
PTC1000:
Applications
Panel cut-out: 163x31.5 mm
-50...120°C, -55...240°F
0.1 / 1 °C; °F
<±0.3°C (-40.0÷70.0°C)
<±0.5°C (-50÷120°C)
selectable NTC10K or PTC1000
>150 hours
230V~ ±10% 50÷60Hz 3W
Instruction