WF fixed directional
Wall/suspended support and issued aiming/retention drawing.
A guarded directional assembly requires a selected support design and actual air-speed map; a motor standard claim is not whole-unit certification.
From Bigfans Wuhan · Large-space air-movement equipment
Individual product research · HVACDeck Editorial · Sources checked 2026-10-11
Bigfans’ Fengzhi WF family is presented as a directional fan that can be wall-mounted or suspended where large open ceiling blades cannot be installed. The original image shows a guarded circular wheel with a rear motor/support arrangement. WF15 and WF20 list diameters of 1.5 and 2.0 m and masses of 110 and 130 kg. A mounting photograph alone does not establish the wall substrate, anchors, dynamic loads or permitted direction-adjustment mechanism.
WF20 lists 0.5 kW and 280 rpm, while WF15 again has a 0.5 W power entry requiring confirmation. The page claims a first-level PMSM motor under GB30253-2013, but no current model-specific energy report or applicable-edition verification was obtained. Its greater-than-25 m reach statement has no defined air-speed criterion. Select the actual support and occupied-zone delivery together rather than qualifying the unit through the family’s promotional comparison with small wall fans.
This is an equipment family; its range does not identify one orderable configuration.
Swipe the table, or focus it and use arrow keys, to read the conditions and sources.
| Parameter | Published value | Conditions and evidence |
|---|---|---|
| WF20 reference | 2.0 m; 280 rpm; 130 kg; 0.5 kW motor | Current support/connection drawing and total input unprovided. Source |
| WF15 power question | 1.5 m; 300 rpm; 110 kg; 0.5 W printed | Unresolved unit conflict; no inferred correction. Source |
| Published flow/current | WF15/20 1,588/2,355 m³/min; both 1.8 A / 220 V | No installed directional-flow, phase or controller input basis supplied. Source |
| Mounting/reach | Wall or suspension options; advertised distance over 25 m | No anchor/substrate/adjustment or measured reach specification. Source |
| Motor energy statement | Level 1 claimed under GB30253-2013 | Current applicable edition and exact motor report unverified; not a whole-unit conformity approval. Source |
Supply the occupied positions, distance, obstacles and desired air-speed range. Obtain a selected directional layout or measured map for the actual installation. The source’s comparison with twenty small fans supplies no matched flow, power or room-condition test.
Identify whether the unit is intended to circulate room air or works alongside a separate ventilation/extraction system. A wall fan does not itself establish outdoor-air exchange, contaminant removal or a fixed temperature reduction.
Issue the wall/beam substrate and available support location to the responsible installer/engineer. Request actual mounting loads, anchors, guard/service envelope and permitted directional adjustment from an issued model drawing. Listed mass is not a complete dynamic support schedule.
Confirm how the assembly is retained and how its direction is changed. The rear-view photograph is useful for arrangement, but no anchor rating, adjustment range or installed safety approval was reviewed. Do not copy ceiling-family clearances as if they were issued WF instructions.
Resolve WF15’s 0.5 W row and obtain motor/controller input, voltage/phase and protective information. Ask for the exact energy-efficiency report, model scope and applicable standard edition behind the source’s GB30253-2013 statement. The platform has not established current level-1 conformity.
Agree included controls and environmental limits. A sealed double-bearing/maintenance-free statement supplies no whole-unit ingress rating, service interval or hazardous-area approval. Obtain the actual installation and maintenance file.
Approve the selected mounting arrangement, current model schedule and guarding/control documents. Verify support/retention, adjustment and agreed occupied-zone delivery across the intended speed range. No source test establishes a guaranteed reach beyond 25 m under arbitrary obstructions.
Close cleaning, inspection access and service responsibilities. Current price, delivery and independently verified small-fan equivalence remain unknown. Both WF sizes stay in one directional-family brief, with mounting decisions distinct from XM’s wheeled handling.
Wall/suspended support and issued aiming/retention drawing.
Floor restraint, handling and temporary cable route.
Actual zone air map, motor/input schedule and service file.
Compiled by HVACDeck Editorial. Source review identifies what the publication states; it is not an independent performance test or certification.
Editorial method and corrections · Report a detail with this page URL
Send the manufacturer your required duty, installation conditions and the unresolved items identified in this brief.
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