technical documentation manuals 308013008

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Description
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 5 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
2
4
5
5
6
6
7
AJ8
AJR
1
2
3
4
5
6
6
5
7
1 Motor 4 Housing 7
Mounting bracket
2
Impeller
5
Protective guard
3
Terminal box
6
Silencer
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