AIR CONTROL HE

The energy-balance page is genuinely useful for leak-hunt justification — screenshot the before/after to show customers what the fix saved.

Manufacturer

ALMiG

Display

Color graphic display with foil keypad; plain-text multi-language.

Years produced

~2012 – present on GEAR / BELT / DIRECT / V-Drive series.

Power supply

24 VDC internal.

Ambient range

0 – 46 °C.

Protection rating

IP54 front.

Relay outputs

Contactors, load solenoid, fan, dryer, alarm, idle/run signaling.

Used on

ALMiG GEAR / DIRECT / BELT screw series
V-Drive variable speed models
COMBI two-stage series

Features

Integrated base-load changeover for up to 8 compressors (ALMiG LINK)
Energy-balance display with volume-flow estimate
SD card data logging
Maintenance management with QR part codes

Interfaces

RS-485 Modbus RTU standard
Ethernet (option)
Web server on ethernet builds
Profibus module option

Sensor inputs

Final compression temperature (PT100)
Network pressure transducer
Internal/sump pressure
Motor winding PTC

Fault code lookup

Final Temp Too High Discharge PT100 over trip.

First checks

Oil level / cooler
Thermostat insert
Intake conditions

See trigger conditions & affected models →

Motor PTC Triggered Winding thermistors over threshold.

First checks

Let motor cool; verify airflow to motor
Measure PTC loop resistance
Check for single-phasing

See trigger conditions & affected models →

Belt Breakage (BELT series)Belt monitoring sensor triggered.

First checks

Inspect belt set
Sensor gap per manual
Pulley alignment

See trigger conditions & affected models →

Pressure Sensor Fault Transducer out of range.

First checks

Loop check
Connector integrity

See trigger conditions & affected models →

Fan Motor Protection Fan OL tripped.

First checks

Fan blades free
Cooler mat condition

See trigger conditions & affected models →

Maintenance Interval Timer expired.

First checks

Perform service
Reset the specific counter

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.

Sensor pin resistance & signal values

Pin-level resistance and signal values for the sensor types this controller uses. Works offline. De-energise the panel and lift one lead before ohming any element.

Wiring notes

Belt-break sensor is a proximity pickup — set gap with the gauge in the manual, not by eye
ALMiG LINK sequencing uses the standard RS-485 port — masters and slaves differ only in parameterization
PTC input requires continuity through the motor thermistor loop; a missing jumper reads as a motor over-temp

Known issues & field notes

SD cards from early firmware reject cards over 32 GB
Foil keypad edges lift in oily atmospheres — a thin protective film extends life

Customer and service levels; service code from ALMiG or the distributor.

Your manuals