Heat pump acquirer

State / alarm acquisition and control for heat pumps

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Control unit for cumulative alarm acquisition, also on/off and mode change (heating/cooling) commands to heat pumps.
It also allows the acquisition of delivery and return temperatures to the users.
Up to 2 heat pumps can be managed for each control unit.
Available in stand-alone version or on electrical box equipped with electrical protections and decoupling relays.

FLUID TEMPERATURES

Temperature acquisition FROM and TO UTILITIES generated by heat pumps, using NTC type transducers

ALARMS

Acquisition of heat pump alarm status via digital input (clean contact)

SET-POINT

Signal generation 0..10V for modulation of heat pump operation (if provided by heat pump)

ON-OFF

Relay digital output management for heat pump on/off control

SEASON CHANGE

Relay digital output management for operating mode change (SUMMER / WINTER)

Notes:

• 230 Vac electrical unit/box power supply
• Analogue inputs of NTC type
• Dry contact type digital inputs
• Analog outputs 0..10 V
• RS485 serial connection (MODBUS RTU protocol)