The System 550 is a modular electronic control system that provides single or multi-stage on/off, proportional or proportional-plus-integral control of temperature, humidity, pressure, or a combination. The modularity enables customers to only buy the modules that they need for their unique application.
System 550 control modules support up to three sensor inputs in any combination of temperature, pressure, or humidity sensors. The C550CCN control module comes with two relay outputs and the C550CQN comes with two analog outputs. You can add expansion modules to provide additional relay and analog outputs up to the maximum of ten outputs. Outputs can provide either on/off control or a proportional analog signal of 0 VDC to 5 VDC, 0 VDC to 10 VDC, or 4 mA to 20 mA.
The C550CCN control module supports A2L refrigerant leak detection and mitigation. The control module features advanced alarming and mitigation features in the event that an A2L refrigerant leak is detected. The C550CCN control module includes a plug-in connector that supports connection of up to two PENN GM200 series A2L refrigerant sensors. In the event that you need more than two A2L refigerant sensors, use the C550SJN junction module which supports up to six A2L refrigerant sensors. The C550CCN control module control is certified under UL 60335-2-40 and 60335-2-89.
Select the System 550 control module that you need for your application and add the following modules to provide the necessary power supply, outputs, and A2L refrigerant sensor wiring connections:
- An optional C550YNN power module.
- Optional expansion modules for additional outputs. See Expansion modules.
- An optional C550SJN junction module for additional refrigerant leak detection sensors.