Lenze MHERA Three-phase AC motors - Manual (Page 14)

MA 33.0005 DE/EN/FR/IT/ES 5.0
14

KFZ_Zeichen_EN-anschluss-stillstandheizg
Notes for mounting
ƒ Use an appropriate means of transport and lifting equipment!
ƒ The shaft must not be exposed to knocks or bumps! Motor can be destroyed! Drive
elements must be mounted on the motor shaft via the threading. An extracting
device must be used when dismounting. Fasten coupling securely.
ƒ Fasten motor and ensure unimpeded ventilation.
ƒ Tighten coupling ring of connector.
ƒ Motor must be carefully earthed, check cabling.
ƒ Extensive shielding of motor cable on motor and controller.

Stop!
Observe the maximally permissible length of engagement for B14 flanges,
 2!
Electrical connection

Note!
ƒ In order to ensure a safe operation, comply with the tightening torques
with a tolerance of
+- 10% (3).
External blower connection via external blower terminal box/motor terminal box
External blower 3~
Terminal board/terminal Meaning Note
U1 Connection to L1 - mains Observe direction of rotation! In
case of incorrect rotation,
interchange L1 - L2
V1 Connection to L2 - mains
W1 Connection to L3 - mains
External blower 1~
Terminal board /
terminal
Meaning Note
U1 Connection to L1- mains
V1 / U2 Connection to N - mains