Xylem Flygt 3102.181 - T-Installation: Bleed Air before Starting Pump; Check the Impeller Rotation

Sensors Value (mA) Definition
CLS and thermal contact 0 Overtemperature
5.5 OK
29 Leakage (5 seconds delay)
CLS, FLS and thermal contact 0 Overtempterature
13.3 OK
36–42 Leakage (0/5 seconds delay)
4.10 T-installation: Bleed air before starting pump
1. Open the valve on the air vent line and bleed out the air. See the following figure.
WS008391C
1
2
3
4
1. Outlet line
2. Inlet line
3. Line to drain
4. Air vent
Figure 18: T-installation
2. Close the valve on the air vent line before the pump is started.
4.11 Check the impeller rotation
CAUTION: Crush Hazard
The starting jerk can be powerful. Make sure nobody is close to the unit when it is started.
1. Start the motor.
2.
Stop the motor after a few seconds.
3. Check that the impeller rotates according to this illustration.
WS006253B
4 Installation
Flygt 3102 Installation, Operation, and Maintenance Manual 39