Grundfos KPL.1800.700.16.T.50.17.L.40 Manual

Grundfos Vandpumpe KPL.1800.700.16.T.50.17.L.40

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GU02 Manual
750-18, Jangnok-Dong, Gwangsan-Gu
Gwangju, Korea
Tel: 82-62-602-8400 (Rep.)
Monitoring Unit – GU02
Prepared by.
Rev. No. Rev1.0
Date. 12-Nov-13
Page. 2 / 7
1. General
GU02 is complete monitoring unit, it can monitor the pump status by detecting motor overheating, high bearing
temperature, seal leakage and moisture in junction box and if there is any problem you can recognize it by alarm
sound.
GU02 can detect
1) Moisture incursion into the junction box
2) Overheat of stator windings (U,V,W)
3) High temperature of bearing (Upper and Lower)
4) Seal leakage
GU02 can be mounted in MCC (motor control center) without the need for a power transformer since it has an
inbuilt voltage regulating device.
2. Sensors inside the Motor
The installed sensors are as following;
1) Thermal Protectors in Stator Windings
- For 90 kW(120 Hp) and above, three PT 100 ohm type thermal protection sensors are embedded in each
phase of stator windings to monitor the stator winding temperature.
- The three thermal protect devices can be connected in parallel (6 wires to connect to GU02) or in series (2
wires to connect).
- The setting temperature of GU02 can be adjusted easily without service technician; the recommended
temperature setting is 125 degrees C.
- For the 75kW (100Hp) and below motors, one bimetal type thermal protection sensor is installed in stator
winding and the inherent setting temperature of the bimetal is 125degree C.
- If three bimetal type sensors are required these can be installed as an option. It will be connected in series
so 2 wires will be connected to the GU02.
2) Leakage Sensor
- One electrode type seal leakage sensor is installed on the seal chamber.
- If the primary seal leaks and water penetrates into the oil chamber, the resistance of the
electrode changes to below 5 Kilo ohm.
- Under normal conditions, the resistance value of the electrode sensor is greater than
10 mega ohm.


Produkt Specifikationer

Mærke: Grundfos
Kategori: Vandpumpe
Model: KPL.1800.700.16.T.50.17.L.40

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