ABB LevelMaster 7100, Инструкция по применению

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2105824-001 rev. AA | 9
4. Remove the wires from the connector(s). If two connectors were removed, keep
for rewire.
5. Hold the existing board by the edges, and pull it out slowly.
6. Unplug the 16-pin connector at the bottom of the board to detach the board from
the sensor assembly inside the casing.
7. Place the removed board in a safe place (protect from static
electricity).Connection to the board is required to obtain configuration.
8. Unscrew the conduit to detach from enclosure. Leave wire ends hanging.
9. Replace the cover on the electronics enclosure.
10. Loosen the nut on the cord connector.
IMPORTANT NOTE: There should be no cord connector on high
pressure units.
11. Unscrew the tank port bushing.
12. Remove the LevelMaster from the tank and lay it on the ground using the
wooden blocks underneath for support (If no wooden blocks are available use
any stable and even support to keep the unit from rotating while in horizontal
position).
13. Proceed to replace the existing floats.
4.2 Replace the existing floats
To replace existing floats:
1. Remove the float clamp from the bottom of the casing.
2. Slide the float(s)
off the bottom of the casing.
3. Slide the new float(s) onto the bottom of the casing. If using two floats, install in
the correct order (Figure 3).
IMPORTANT NOTE: Position the float(s) correctly so that the text on
the float label would be in the upright position when the LevelMaster is
inserted back into the tank.
a. Install the oil level float first.
b. Install the water level float second.
OIL
FL
OAT
WAT
E
R
FL
OAT
1 2
TOP OF
LEVELMASTER
Figure 3: Positioning the floats for dual float configuration
4. Slide the float clamp back onto the bottom of the casing.
5. Use a Phillips screwdriver to tighten the clamp 1 inch above the bottom of the
casing. Considerable force may be required to lock the clamp on tight.