Description
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9
5.3 Description Jet fans
5.3.1 Description AJR/AJ8
• In B3 conventional motors, the motor bracket is made from galvanized steel sheet. B30 “pad mounted” motors are
fitted in the housing via threaded rods or a welded motor support.
• The fan conveys air in an axial direction from the intake side via the electric motor to the outlet side.
• The silencers are equipped with protection grille made of galvanized steel.
• The acoustic insulation is non-flammable in accordance with DIN 4102 as described in directive 97/69 EC.
Table 7 Constructive features
AJR/AJ8 As a default, the fans are provided in protection class IP55, ISO F.
AJR...(K)/AJ8...(K)/AJR...(B)/
AJ8...(B)/AJR...(F)/AJ8...(F)
As a default, the fans are provided in protection class IP54/55, ISO H. The wiring from
the motor to the terminal box is protected via an additional flexible metal hose. The
standard motors (400 V type B3) are without motor protection.
5.3.1.1 Construction
1
3
3
1
2
2
4
4
5
5
5
5
6
6
6
6
7
7
7
7
7
AJ8
AJR
1 Motor 4 Housing 7
Mounting bracket
2
Impeller
5
Protective guard
3
Terminal box
6
Silencer
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