Superheating regulators
Alco superheating regulators EXD-SH1 807855
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Order No.: 231.0273
Manufacturer number: 807855
Manufacturer: Alco
To previous product 231.0239
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Description
EXD-SH1/2 are stand-alone superheat and temperature controllers for air-conditioning units or refrigeration systems.
EXD-SH1: Control from one valve.
Features
- Other functions: Suction pressure limitation (MOP), low pressure switch, freeze protection and valve manual operation.
- Self-adjusting superheat control with EMERSON FX5-9, EX4-8 and CX4-7 valve series
- For a variety of refrigerants, including R23 for cryogenic applications
- ModBus (RTU) ...
- Other functions: Suction pressure limitation (MOP), low pressure switch, freeze protection and valve manual operation.
- Self-adjusting superheat control with EMERSON FX5-9, EX4-8 and CX4-7 valve series
- For a variety of refrigerants, including R23 for cryogenic applications
- ModBus (RTU) communication
- Integrated keypad and two-line display
- Monitoring of pressure sensors (EMERSON PT5/6) and open circuit detection for the valves
- Accessories: external copy key for convenient transfer of setting parameters to other controllers.
- Alarm in case of too high or too low overheating
- Electrical connections with connectors: screw terminals (included) and Micro Molex EXD-M03 (to be ordered separately)
- Solid plastic housing for DIN rail mounting
Accessories / Replacement parts
-
Cable set
-
Connection cable
-
Connection terminals
-
Power module
-
Pressure transmitter
-
Probe / sensor
-
Uninterruptible power supply
Technical data
General information
Type
Überhitzungsregler
Communication
RS485 ModBus (RTU)
Mounting type
DIN Schienenmontage
Type
EXDSH1
Connections
Connection
Clamp 1 to 12:
for Molex connector, 12 pin
Clamp 13 to 36:
removable screw connectors: Cable size 0.14...1.5 mm2 (included in scope of delivery)
Serial interface
RS485 RTU ModBus
Electrical Data
Outputs
Stepper motor output:
Valves: EX4…8, CX4…7 and FX5…9
Inputs
NTC temperature sensor:
ECN-N… (-45°C…+50°C temperature range)
PT1000 temperature sensor:
ECN-Z60 (-80°C…-40°C temperature range)
4…20 mA pressure transmitter:
PT5
0.5…4,5 V pressure transmitter:
PT5
Power consumption
25 VA
Protection class
IP00
Supply voltage
230/1/50 V/Ph/Hz
24 V AC/DC
Weight
Weight net
0,32 kg
Temperature data
Temperature measuring range
max.
55 °C
min.
0 °C
Technical modifications reserved. Product images may differ from the actual product and are meant for demonstration purposes only. Absolutely no liability can be assumed for possible indication errors and errors in the manufacturers’ information.
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