Operating The Aqtap By Means Of The Smart Cards; Water Tapping For Water Credits; Download Water Credits To A Smart Card; Transfer Of Water Credits Between Smart Cards - Grundfos AQtap Installation And Operating Instructions Manual

9. Operating the AQtap by means of the smart
cards
If a transfer or download of water credits leads to a
value exceeding 420000, the transfer or download is
rejected completely.
If a six-digit value of water credits is stored on a
Note
smart card, only the first five digits are displayed with
the last digit flashing, to indicate that the amount of
water credits is not displayed completely.
For information on the storing capacity of smart cards, and for
information on display and transfer of large amounts of water
credits at the AQtap, see sections
and
cards 7.9 Display of large amounts of water credits at the
AQtap.

9.1 Water tapping for water credits

Drawing water from the AQtap for water credits is only possible
with valid water credits on the smart card:
1. Place a canister under the water outlet.
2. Place the WaterCard or VendorCard on the left smart card
reader.
– The "water credits" icon and value are displayed in the small
display.
– The "water credits" / "litre of water" icons and value (water
price per litre) are displayed in the big display.
3. Press the "water button" to start the water tapping.
– The "tap" icon is displayed.
– The amount of water tapped is displayed in the left part of
the big display.
– The remaining water credits are displayed in the small
display.
– For each new litre of water, the total price per litre is
deducted from the smart card.
4. Press the "water button" to stop the water tapping.
– After stopping the water tapping with the "water button",
unused water credits of the last partially tapped litre are
written back to the smart card.
– The water credits for the min. tapping volume = 0.4 litres are
always deducted.
Only stop tapping by pressing the "water button".
Do not stop tapping by removing the smart card.
• If you stop the tapping by removing the smart card,
Note the communication of the AQtap with the smart
card is interrupted. Unused water credits are not
written back to the smart card, and data may
become inconsistent.
7.8 Storage capacity of smart

9.2 Download water credits to a smart card

Water credits are provided for smart cards in WMS directly by the
administrator or via mobile payment. Then they are available at
the AQtap for download to the assigned smart card.
9.2.1 Creating water credits for a smart card through mobile
banking system
1. Make a transaction through your mobile bank with the
business number provided by the owner of the AQtap and the
number of your WaterCard.
2. Your mobile banking company will confirm the transaction.
3. Check if the water credits are available for download, see
section
9.2.3 Downloading water credits to a smart
9.2.2 Creating water credits for a smart card directly in WMS
Assign water credits to a smart card in the "Credits Menu" in
WMS. For more information, see the manual which you can find
online in the help section of WMS.
9.2.3 Downloading water credits to a smart card
If there is no connection, try again later!
Note
1. Place the smart card in the left smart card reader.
– The small display shows the water credits on the smart card.
2. Press the "download" button.
– If the AQtap is connected to WMS, the assigned water
credits available for download are displayed in the left part
of the big display.
3. Press the "OK" button.
– The water credits are counted down in the big display and
counted up in the small display until the download is
completed.

9.3 Transfer of water credits between smart cards

9.3.1 Notes for water vendors
• Request water credits from the water service provider before
the VendorCard runs out of water credits.
• Only charge the money for the amount you are transferring.
Water consumers are instructed not to pay a transaction fee.
• Your VendorCard can only be used at AQtaps that have been
assigned by the administrator.
9.3.2 Transferring water credits between VendorCard and
WaterCard or between WaterCards
1. Place the receiving WaterCard in the left smart card reader
and the VendorCard or WaterCard from which water credits
are to be transferred in the right smart card reader.
– The "water credits" icon and value are displayed in the small
and in the big display.
2. Select the amount of water credits to be transferred with the
"up" and "down" buttons.
– The value is displayed in the left part of the big display.
– The increments are depending on the water price.
3. Press the "OK" button.
– The water credits are counted down in the big display and
counted up in the small display until the transfer is
completed.
card.
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