# Sigma M7A industrial air conditioning unit – 415V three-phase
From mining leigh creek coal mine, supplying pressurized cold air to a cab or to piece of electronics.
Heavy-duty industrial air conditioning unit manufactured by Sigma Industries Pty Ltd / Sigma Air Conditioning, Australia.
Model M7A, designed for demanding industrial environments requiring robust temperature control and ventilation.
The unit features a heavy-duty metal enclosure, refrigeration compressor assembly, axial cooling fan, ducted blower assembly and electrical control equipment.
Suitable for consideration for industrial plant rooms, machinery enclosures, control rooms, mining and processing applications, subject to suitability and installation requirements.
## Technical specifications
- Manufacturer: Sigma Industries Pty Ltd / Sigma Air Conditioning
- Model: M7A
- Serial Number: M7AH0003
- Equipment Type: Industrial refrigerated air conditioning unit
- Supply Voltage: 415V AC
- Frequency: 50Hz
- Phase: 3 phase
- Refrigerant: R134a
- Refrigerant Charge: 5kg (manufacturer plate)
- Compressor Oil: Emkarate RL184
- Maximum Design Pressure: 2300kPa
- Maximum Run Current: Approximately 12A (plate appears to indicate)
- Country of Manufacture: Australia
## Features
- Heavy-duty industrial construction
- Metal enclosure with hinged access covers
- Internal refrigeration compressor assembly
- Large axial fan and condenser coil
- Motor-driven blower assembly
- Electrical control cabinet
- Fan speed selector
- Heating and cooling mode selector
- Status indicator lamps for heat, cool, unit on, pressure and fault
- Protective ventilation louvres
- Lifting points for mechanical handling
- Industrial mounting frame
## Condition
Used industrial refrigeration and air conditioning equipment.
The unit shows signs of previous industrial use, including surface marks, scratches, dust, paint wear and corrosion on some components and fittings.
The internal equipment appears substantially present; however, completeness and operation have not been verified.
The unit has not been operationally tested. Compressor condition, electrical operation, refrigerant charge, cooling capacity and heating performance are unknown.
Sold as pictured, in as-is condition.
Inspection recommended prior to purchase.
Installation, electrical testing, refrigerant handling and commissioning must be undertaken by appropriately licensed and qualified personnel.
## Freight and collection
Large, heavy industrial equipment requiring forklift or appropriate mechanical handling.
Collection by arrangement. Freight can be discussed at buyer's expense.
Please contact us for further information or to arrange an inspection.