Neuron II

ELGi has grown fast in North America — Neuron II is on most of their post-2015 rotary screws.

Manufacturer

ELGi

Display

4.3-inch color TFT with soft keys.

Years produced

~2015 – present.

Power supply

24 VDC, 4.3-inch color TFT.

Ambient range

0 – 55 °C.

Protection rating

IP54 front.

Relay outputs

Star/delta or VFD, blowdown, dryer, alarm, common warning.

Used on

ELGi EG / EN series rotary screws
AB-series airends (OEM)
ELGi Global Series

Features

Multi-language UI
Multi-unit sequencing built-in
Predictive maintenance alerts
Trend + fault log export via USB

Interfaces

RS-485 Modbus RTU
Ethernet (Modbus TCP)
AirMate remote monitoring (cellular add-on)

Sensor inputs

Airend discharge temp (PT100)
Line pressure (4–20 mA)
Sump pressure
Oil filter & sep ΔP (option)

Common fault codes

AL-01 High Airend Temp Discharge temp > shutdown.

First checks

Cooler & fan
Oil level
Verify PT100

See trigger conditions & affected models →

AL-04 Motor Overload Main OL tripped.

First checks

Reset OL
Measure phase currents

See trigger conditions & affected models →

AL-09 Low Line Pressure Line pressure below alarm setpoint for extended period.

First checks

Big demand event?
Check for leaks / open valve
Sensor calibration

See trigger conditions & affected models →

AL-15 Comms Fault Lost link to expansion or drive.

First checks

RS-485 cable
Termination resistor at ends only
Drive power

See trigger conditions & affected models →

Fault list is non-exhaustive and firmware-dependent. Always confirm against the controller’s on-screen help or OEM manual.

Wiring notes

Terminal strip 24 VDC I/O
AirMate cellular gateway typically inside main panel — check antenna routing

Two levels — Operator (open) and Service (default 1616 on many builds, changed by ELGi distributor at commissioning).

Manuals & literature

ELGi — manuals index

Services & parts portal

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