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Description
5.4.2 Dimensions
Size 250 — 500 Size 630 — 800
Size
A [mm] ØB [mm] ØC [mm] ØD [mm] ØF [mm] ØH [mm]
I
250 535 448 328 250 280 10 4x90°
315 535 452 385 320 355 10 8x45°
400 625 585 480 401 450 10 8x45°
500 660 695 590 504 560 12 12x30°
630 790 728 634
-
690 12 12x30°
800 880 890 797
-
860 12 16x22.5°
5.5 Intended use
• The maximum admissible operating data on the name plate apply to an air density of 1.2 kg/3³ (sea level) and a
maximum air humidity of 80%.
• The temperature of the air transported through the fan must not exceed 55°C/131°F nor be lower than -20°C/-4°F.
• For the temperature resistance of the smoke extraction fans (K), (B), (F), which can also be used to extract CO, please
refer to the name plate (e.g. 300°C/120 min).
• The standard motors are suitable for operation with frequency converters.
5.5.1 Intended use axial fans
• The axial fans of the series AXC/AXR/AXCBF in the versions G (K), (B), (F) are intended for installation in ventilation
systems.
• The axial fans of the series AXC/AXR/AXCBF are ready-to-use products and are used as components for ventilation
devices, machines and systems. These fans can be used to extract, draw in or convey air.
• The fans can be installed both in duct systems and also with free suction via an inlet cone and a suction-side contact
protection grille. Free discharge via a contact protection grille is also possible.
5.5.2 Intended use jet fans
• The model AJ8, AJR and IV jet fans are intended for installation in underground and above-ground parking structures,
to facilitate ventilation and smoke extraction (K), (B), (F).
• For optimum operation, the jet fan must be suspended horizontally from the ceiling in such a position that intake and
outlet are unobstructed.
5.6 Incorrect use
Use the fans only for the requirements described in “intended use” and within the limits for use stated on the name
plate.
• The fan is not suitable for intake of aggressive media or media with a dust content so high that dust deposits on the
impeller or fan housing can affect the operation of the fan.
• The fan must not be installed in hazardous areas (areas with a potentially explosive atmosphere).
• The motors cannot be voltage controlled.
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