Focused on Air Handling Units, ZIEHL-ABEGG GR31I-ZID.DC.CR is a 230 V EC centrifugal fan, supported by a listed acoustic value of 40 dB. This supports duty-point selection. The stated values provide a basis for design review.
| Rated Voltage(V) | 230 |
|---|---|
| Size(mm) | 310 |
| Max.Air Flow(m³/h) | 5500 |
| Max.Pressure(Pa) | 1200 |
| Input Power(W) | 1300 |
| Speed(rpm) | 3000 |
| Noise(db) | 40 |
The ZIEHL-ABEGG GR31I-ZID.DC.CR is an EC centrifugal blower for hvac systems, supporting equipment thermal management and integration.
Data includes 230 V operation, airflow up to 5500 m³/h and pressure up to 1200 Pa so designers can evaluate the required duty point against installation losses. The datasheet lists ball-bearing support, bionic blade geometry, MODBUS speed control for durable motor support. Listed noise is 40 dB at the stated test point. Installation with the specified supply and sufficient breathing space supports energy-aware cooling and stable service.
Its operating documentation supports integration decisions in compact cooling projects with clearer fit and interface checks.
The supplied comparison identifies a listed acoustic value of 40 dB; review it together with the other listed ratings rather than as a standalone selection criterion.
It is listed for Air Handling Units. Confirm voltage, duty point, dimensions and mounting against the equipment requirements before selection.
Its EC centrifugal fan configuration and a listed acoustic value of 40 dB provide model-specific criteria for matching Air Handling Units systems.
Check for blocked airflow paths, incorrect supply, loose wiring, abnormal rotation or system resistance before consulting the exact service documentation.

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