5 Installation at Site
28 of 72
Vitachrom
NOTE
A motor protection device is recommended.
5.5.1 Setting the time relay
CAUTION
Switchover between star and delta on three-phase motors with star-delta starting
takes too long.
Damage to the pump (set)!
▷
Keep switch-over intervals between star and delta as short as possible.
Table 10:
Time relay settings for star-delta starting:
Motor rating
Y time to be set
[kW]
[s]
≤ 30
< 3
> 30
< 5
5.5.2 Connecting the motor
NOTE
In compliance with IEC 60034-8, three-phase motors are always wired for clockwise
rotation (looking at the motor shaft stub).
The pump's direction of rotation is indicated by an arrow on the pump.
1. Match the motor's direction of rotation to that of the pump.
2. Observe the manufacturer's product literature supplied with the motor.
5.5.3 Earthing
DANGER
Electrostatic charging
Explosion hazard!
Damage to the pump set!
▷
Connect the PE conductor to the earthing terminal provided.
▷
Provide for potential equalisation between the pump set and foundation.
5.6 Checking the direction of rotation
WARNING
Hands inside the pump casing
Risk of injuries, damage to the pump!
▷
Always disconnect the pump set from the power supply and secure it against
unintentional start-up before inserting your hands or other objects into the
pump.
Summary of Contents for Vitachrom
Page 1: ...Hygienic Pump in Close coupled Design Vitachrom Installation Operating Manual ...
Page 68: ...Index 68 of 72 Vitachrom W Warnings 7 Warranty claims 6 ...
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