ABB ACH580-01-018A-4 HVAC AC Drive 7.5 kW 17 A

A 7.5 kW ACH580-01 for 400 V HVAC motors

ACH580-01-018A-4 is a wall-mounted ABB ACH580 drive made for heating, ventilation and air conditioning. ABB’s catalogue rates it at 7.5 kW and 17 A in no-overload use on a 380 to 415 V network, and builds it on frame R2. Typical jobs are supply and extract fans, chilled-water and heating pumps, cooling-tower fans and similar variable-torque loads in commercial and industrial buildings. It starts frame R2 at 7.5 kW, a common size for larger fans and booster pumps.

Software separates it from a general purpose drive: the HVAC program supplies Drivetune smartphone commissioning with the Bluetooth panel, override (fire) mode, four start interlocks and belt-loss (under-load) detection. Browse neighbouring ratings in AC drives or read the general ABB ACS580 overview for the sister platform.

Technical specifications

Reading the 17 A rating

Start from 16.2 A: this is the continuous light-duty current at 400 V, enough for a 7.5 kW fan or pump motor, with 110% for one minute (about 17.8 A, derived). If the motor is wound for 460 V or 480 V, read the 14 A, 10 hp column instead. The nominal 17 A figure is for loads without any overload demand.

Allow 125 mm of width and 229 mm of depth for the IP21 drive, plus a height of 473 mm with the gland box. The IP55 enclosure needs 128 mm by 239 mm and 503 mm in height and weighs 6.8 kg, against 6.6 kg for IP21. With a main switch or C1 filter variant the IP55 body becomes 503 x 128 x 257 mm and 7.5 kg.

The catalogue’s SynRM selection guide matches this drive with 4 kW M3AL112MB4 at 3000 rpm (13.6 A nominal, motor efficiency 89.9%, package efficiency 87.7%); 7.5 kW M3AL132SMB4 at 3000 rpm (16.9 A nominal, motor efficiency 91.7%, package efficiency 89.3%); 7.5 kW M3AL132SMB4 at 1500 rpm (16.2 A nominal, motor efficiency 92.6%, package efficiency 90.1%). Read the package efficiency as a calculated value for the drive and motor together, useful when comparing options but not a substitute for the motor’s own datasheet.

Decoding the ordering code

The designation breaks down as series ACH580, construction 01 (wall-mounted), size 018A and voltage code 4 for 380 to 480 V. ABB lists these additions, among others: +C135 for flange mounting, +L501 for the CMOD-01 relay and 24 V module, +L523 for CMOD-02 with an isolated PTC interface and +L512 for CHDI-01 with 115/230 V inputs.

Beyond the built-in protocols, the catalogue pairs plus codes with adapters, for instance EtherNet/IP via FEIP-21 (+K490), PROFIBUS DP via FPBA-01 (+K454) and DeviceNet via FDNA-01 (+K451).

Catalogue data for the family includes two analog outputs and three relay outputs, a 24 V DC auxiliary supply of 250 mA, thermistor inputs for PTC and Pt100, Pt1000, KTY or Ni1000 sensors, an operating range of -15 to +50 degrees C and 5 to 95% relative humidity without condensation.

Where this drive fits in a building services plant

The ACH580-01-018A-4 is intended for variable-torque HVAC duty, so it is most at home on air handling unit supply and extract fans, chilled-water and condenser-water pumps, heating circuits and cooling-tower fans. In these applications the load falls away sharply as speed is reduced, which is why a drive with an HVAC control program is usually preferred to a general purpose unit. The override (fire) mode is relevant for smoke-extract and stair-pressurisation fans, where the building fire strategy defines how the fan must behave during an alarm, and the start interlocks help coordinate the drive with dampers and valves that must open before the motor runs.

Belt-loss (under-load) detection is useful on belt-driven fans, which remain common in older air handling units across commercial buildings. When a belt slips or breaks the motor current drops, and the drive can flag the condition to the building management system rather than leaving a fan running with no airflow.

Selecting the rating and integrating with the BMS

Selection starts with the motor nameplate rather than the shaft power alone. Compare the motor full-load current with the light-duty and nominal current columns in the table, and choose the voltage column that matches the motor winding. Where a fan or pump may later be upgraded, consider whether the neighbouring rating listed on this page would give a more comfortable margin. The SynRM pairing data in the catalogue is a starting point when a new high-efficiency motor is planned, but the motor datasheet remains the reference for the final check.

Integration with the building management system normally uses either the built-in protocols or one of the fieldbus adapters listed above. Agree with the controls contractor which signals are exchanged, such as run command, speed reference, running feedback and fault status, and whether hardwired interlocks are also required for life-safety functions. Drivetune commissioning with the Bluetooth panel lets the commissioning engineer set parameters from a phone, which is convenient in plant rooms where laptop access is awkward.

Installation practice in Oman and GCC plant rooms

Plant rooms on rooftops and in basements in Oman often run hot, and ambient temperature is the main factor in drive life. Check the expected room temperature against the operating range in the catalogue data and apply the manufacturer derating if the room exceeds it. The IP21 enclosure suits clean, ventilated electrical rooms, while the IP55 variant is the better choice where the drive is mounted close to the fan or pump in a dusty or humid space. Coastal sites in Muscat, Sohar and Duqm add salt-laden air, so locate the drive away from louvres and fresh-air intakes where practical.

Leave free space around the drive for cooling air as described in the ABB installation documentation, use shielded motor cable with correct earthing at both ends, and keep control wiring separated from power cables. The gland box on the IP21 version helps keep cable entries tidy and supports a neat termination for inspection by the consultant.

Documentation and quotation

Seven Star LLC can quote the ACH580-01-018A-4 from Muscat. Attach the motor nameplate and the supply details to the RFQ. The linked ABB catalogue (3AUA0000186691, revision F, 9.14.2019) is the source for the ratings, dimensions and codes shown here.

Please confirm the ordering code, enclosure, fieldbus option, derating for temperature and altitude, and the current ABB revision of the data before you order.