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Examples of installation
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Note:
During installation it must be ensured that no
water can enter the electronic unit during operation.
3.1
Installation for cooling metering
Note:
It is recommended that the flow meter installed
on the hot side.
When installing as a cold meter it is essential that the black
cover on the measuring tube is pointed to the side or
downwards in order to avoid problems with condensation
forming.
Fit the electronic unit separate to the volume measurement
tube, e.g. on the wall. Make a loop downwards in order to
prevent condensation running along the connected lines into
the electronic unit.
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3.2
Installation of qp 150
Note:
Use flange bolts with a length of at least 100 mm
to install the flanged body in the pipeline.
As an assembly aid two M10 threads are monted on the flange.
The threads allow the use of stainless steel eye bolts, for
example, for a lifting device.
The measurement insert in the flanged body should be
positioned on the top. This allows a simple exchange of the
measurement insert (see chapter 5).
3.3
Electronic unit
The ambient temperature of the electronic unit must not exceed
55 °C. Avoid direct sunlight. For water temperatures between
10 °C and 90 °C you can fit the electronic unit on the volume
measurement unit or on the wall.
Aligning electronic unit
Proceed as follows to align the electronic unit:
1.
Pull the electronic unit off the volume measurement unit.
2.
Turn the electronic unit to the left or right through 90° or
180° as required.
3.
Push the electronic unit onto the adapter plate in this
position until it engages.
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Wall fitting (split fitting)
Fit the electronic unit to the wall at water temperatures below
10 °C and above 90 °C.
For wall mounting proceed as follows:
•
Pull the electronic unit off the adapter plate.
•
Unscrew the adapter plate from the volume measurement
unit.
•
Fit the adapter plate to the wall.
•
Push the electronic unit onto the adapter plate.
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3.4
Power supply
The flow meter is equipped with a long life battery for 5 or 9
years of operation. You can take the operating time from the
dial plate.
Warning:
Do not open the batteries. Do not bring battery
into contact with water or expose to temperatures above
80 °C. Dispose of used batteries at suitable collection
points.
Note:
Only batteries approved by the manufacturer may
be installed.
3.5
Interfaces
The flow meter is equipped with an optical interface in
accordance with EN 62056-21 as standard.
In addition, the flow meter is equipped with a pulse output and
is delivered with a 2m two wire cable. The connecting cable can
be lengthened with a cable 2 x 0.75mm
2
. A distributing box is
recommended.
