EXD-SH12 Controller for EXCV with ModBus Communication Capability
EXD-SH1/2 are stand-alone universal superheat and or temperature controllers for air conditioning units or refrigeration systems.
- EXD-SH1: Control of one valve
- EXD-SH2: Control of two valves in two independent circuits
- Main function
EXD-SH1 Superheat or Temperature Control
EXD-SH2 Superheat or Temperature Control, Superheat Control
- Other functions: Limitation of evaporating pressure (MOP), Low pressure switch, freeze protection and manual positioning of valve(s)
- Self-adapting superheat control function in conjunction with Emerson EX4-8 & CV4-7
- For multiple refrigerants, including ultralow temperature refrigerant R23 (only with ECN-Z60)
- Released for applications using A2L and A3 refrigerants
- Modbus (RTU) communication
- EXD-SH2: capability the operation of two evaporator/ EXV / Pressure sensor with single pressure transmitter
- Integrated keyboard with two lines display
- Monitoring of sensors and detection of sensor
- (ECN-Z.../TP1-.../PT5N-...) stepper motor wiring failures
- Optional upload/download key (accessory) for transmission of parameter settings among controllers with the same setting
- Low/high superheat alarm as well as other function alarms
- Electrical connection via plug-in type screw terminals included with controller and Micro Molex EXD-M03 (must be ordered separately)
- DIN rail mounting housing
