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8.2 Installing the unit into 3", 4" or 6" observation wells,
top cap with cut-out for adapter plate
Required accessories: OTT top cap with appropriately sized cut-out and
compatible adapter plate (incl. O-Ring).
How to install the OTT ecoLog 500 (3G)
Preliminary work: If not already done, install batteries and SIM card,
refer to Chapter 5.
Put the O-ring over the upper part of the communication unit and slide 20 mm
down.
Slide the lower part of the adapter plate (horseshoe-shaped) below the commu-
nication unit over the pressure probe cable and, on the communication unit,
slide it up horizontally until it touches the O-ring.
Slightly tilt the lower part of the adapter plate and, while rotating it, slide it up
over the O-ring.
Slide the O-ring and the lower part of the adapter plate up until the O-ring is
seated in one of the grooves provided for it.
Assemble the required upper part of the adapter plate (3", 4", or 6") as shown
in Figure 10 with the lower part using three M 2.5 socket head bolts.
Open the top cap.
3" observation wells: Determine the current depth using a contact gauge and
note the measured value.
Insert the pressure probe into the observation well.
Slowly
and
carefully
lower the pressure probe into the observation well
with the pressure probe cable, refer to Fig. 11!
Insert the communication unit with adapter plate assembled into the obser -
vation well until the adapter plate and the upper part of the communication
unit are fully seated on the top cap. Align as shown in Figure 12.
4" and 6" observation wells: Use a contact gauge to determine the current depth
and record it (in the adapter plate, there is a cut-out for the contact gauge).
Set the operating parameters, refer to Chapter 9.
Close the top cap.
Note
As an alternative to the procedure described above, you may install the
adapter plate independently of the communication unit. In this case, you have
to feed the pressure probe through the O-ring and the hole in the adapter plate
and to pull the entire pressure probe cable.
Adapter plate
upper part
(example: 4")
Adapter plate
lower part
Socket head bolt (x3)
Communication unit
upper part
O-Ring
Communication unit
Fig. 10: Install the adapter plate to the
upper part of the communication unit.
Example: 4" observation well.
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Summary of Contents for ecoLog 500
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