Before You Buy
This display was used exclusively with Marvair chiller systems. THIS IS NOT AN AIR HANDLER CONTROL NOR WILL IT CONTROL A SELF-CONTAINED SYSTEM. A chiller system is a water-to-water system where the compressor cools or heats a water loop. Separate air handlers are needed to get the cool or heat from the water loop. This control only works with the water-to-water compressor and not any other part.
Features
- Universal 115/230 VAC 50/60 Hz power supply
- Directly drives compressor, loop water pump, and reversing valve AC outputs (and can also drive contactors)
- Sea water pump output is pilot duty and drives a contactor or pump relay
- High and low refrigerant pressure switch inputs
- 8-pin RJ-45 Display Interface
- Flow switch input
- Supply and return water temperature sensor inputs
- Control display allows for all programming and control
- Supports FX-2 Control Board w/ EasyStart daughterboard option
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