Version code 281: D Sludge
2.3 Monitoring equipment
The following applies to the monitoring equipment of the pump:
• The stator incorporates thermal contacts connected in series that activate the alarm at
overtemperature.
• The thermal contacts open at 125°C (257°F) and close at 95°C (203°F).
• The pump can also be equipped with level regulators.
2.3.1 Level regulators
About level regulators
Starting and stopping the pump at different water levels can be manual or automatic. If
automatic start and stop is required, a level regulator can be ordered (as an option). The
option is only available for standard pumps.
Features
Below are some of the features of the level regulators:
• The level regulator can be set at different operating levels by adjusting the length of
cable.
• A clamping bracket situated at the lifting handle holds the level regulator cable in
place.
• If continuous pumping is required, the level regulator can be placed in a special
rubber bracket on the discharge connection to eliminate the level regulator function.
Illustration
1. On
2. Off
Figure 1: The functionality of the level regulator
2.4 The data plate
The data plate is a metal label that is located on the main body of the products. The data
plate lists key product specifications. Specially approved products also have an approval
plate.
2 Product Description
8 2620.172/.281 Service and Repair Instructions
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