ABB 2600T Series Instructions For Installation And Commissioning page 9

PHASE 2 - TRANSMITTER INSTALLATION
Level measurement with closed tanks and non
condensable fluids (dry leg)
1. Mount the transmitter at the same height or below the
lowest level to be measured.
2. Connect the + (H) side of the transmitter to the bottom of the
tank.
3. Connect the - (L) side of the transmitter to the upper part of
the tank, above the maximum level of the tank.
Level measurement with closed tanks and condensable
fluids (wet leg)
1. Mount the transmitter at the same height or below the
lowest level to be measured.
2. Connect the + (H) side of the transmitter to the bottom of the
tank.
3. Connect the - (L) side of the transmitter to the upper part of
the tank.
4. Fill the vertical section of the connecting line to the upper
part of the tank with a compatible liquid through the dedicated
filling tee.
Gate
Max. Level
valve
Gate
valve
Min. Level
Filling
tee
Gate
Max. Level
valve
Wet
leg
Gate
valve
Min. Level
L
H
Condensate trap
(optional)
Drain valve
E
L
H
Drain
valve
- 9 -