Check The Gprs Communication - Grundfos AQtap Service Instructions With Installation And Operating Instructions

All used and unused cable entries of the cabinet
must be sealed after connection to prevent animals
Caution
from entering the AQtap.
4.8.2 General
Check that the supply voltage and frequency correspond to the
values stated in section 13. Technical data and on the nameplate.
Observe section 7.1.1 Power supply.
Observe section Power supply requirements.
4.8.3 Opening the power supply unit
1. Unscrew the screws at the front cover with a flat or torx
screwdriver TX10.
2. Remove the front cover from the power supply unit.
4.8.4 Grid connection
For grid connection use a cable according to the
following specification:
Note
- wire cross section: 0.75 - 2.5 mm²
- cable diameter: Ø 7 mm - Ø 12 mm
1. Pull the power supply cable through one of the bigger (M20)
cable glands of the AQtap cabinet.
2. Lead the cable aside the internal battery without tension and
then through one of the bigger (M20) cable glands of the
power supply unit.
3. Strip the cable covering to a length of approximately 3 - 5 cm
and the wires to a length of 7 mm.
4. Connect the wires to the power plug according to the imprint
on the power board, and tighten the screws.
– Connect phase line (L) to L, neutral line (N) to N and
protective earth (PE) to the middle terminal with earthing
sign.
5. Tighten the cable gland at the power supply unit and at the
cabinet.
6. Proceed with solar power connection, or refit the front cover of
the power supply unit and tighten the screws in the cover with
0.8 Nm.
4.8.5 Solar panel connection
For solar panel connection use a cable according to
the following specification:
Note
- wire cross section: 0.75 - 2.5 mm²
- cable diameter: Ø 7 mm - Ø 12 mm
Ensure correct polarity!
Caution Check the polarity with a multimeter before
connecting the cables from the solar panels.
1. Pull the solar panel cable through one of the bigger (M20)
cable glands of the AQtap cabinet.
2. Lead the cable aside the internal battery without tension and
then through one of the bigger (M20) cable glands of the
power supply unit.
3. Strip the cable covering to a length of approximately 3 - 5 cm
and the wires to a length of 7 mm.
4. Connect the wires to the solar panel plug according to the
imprint on the power board and tighten the screws.
5. Tighten the cable gland at the power supply unit and at the
cabinet.
6. Refit the front cover of the power supply unit and tighten the
screws in the cover with 0.8 Nm.
4.8.6 Internal battery
The internal battery is supplied charged. As soon as
Caution
it is connected there is power on the AQtap.
Caution
Do not short-circuit the two poles of the batteries.
Ensure correct polarity!
Caution
• The cables of the internal battery are connected in the power
supply unit and led through a cable gland.
• The red (+) cable is connected to the plus (+) pole of the
battery.
• The blue (-) cable is placed securely, so it cannot touch the
battery poles during transportation.
Connecting the internal battery
1. Connect the blue battery cable to the minus (-) pole (left side
of the battery).
4.8.7 External battery
DANGER
ELECTRIC SHOCK
Switch off the power supply, both grid and solar,
before making any connections.
The AQtap cabinet must only be opened by
authorised and qualified staff.
All electrical connections must be carried out by a
qualified electrician in accordance with local
regulations.
Stripped parts of wires must not protrude from
terminals.
An external battery replaces the internal battery.
Use a 12 V rechargeable lead acid battery.
The cables of the internal battery must be
Caution
disconnected both in the power supply unit and at the
battery, and they must be removed from the AQtap to
avoid unintended connection between parts.
Caution
Do not short-circuit the two poles of the batteries.
Ensure correct polarity!
Caution
When connecting an external battery, it must be fully
Note
charged prior to connection.
Disconnecting the internal battery
1. Open the power supply unit, see section 4.8.3 Opening the
power supply unit.
2. Disconnect the blue cable from the minus (-) pole of the
battery.
3. Disconnect the red cable from the plus (+) pole of the battery.
4. Disconnect the cables from the terminals.
5. Pull the battery cables out of the gable gland.
6. Remove the cables from the AQtap.
Connecting the external battery
1. Pull the disconnected battery cables through one of the
smaller (M16) cable glands of the AQtap cabinet.
2. Lead the cables aside the internal battery without tension and
then through one of the smaller (M16) cable glands of the
power supply unit.
3. Strip the wires to a length of 7 mm.
4. Connect the wires to the battery plug according to the imprint
on the power board and tighten the screws.
5. Tighten the cable gland at the power supply unit and at the
cabinet.
6. Refit the front cover of the power supply unit and tighten the
screws in the cover with 0.8 Nm.
7. Connect the red battery cable to the plus (+) pole (right side of
the battery).
8. Connect the blue battery cable to the minus (-) pole (left side
of the battery).

4.9 Check the GPRS communication

The SIM card will not be read by the AQtap until it
was powered off and on again.
Caution If the SIM card was replaced by a new one, the
AQtap must be restarted, see section 11.2 Restarting
the AQtap.
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