8
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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