Grundfos AQtap Installation And Operating Instructions Manual page 21

13. Technical data
The values stated in the technical data must be
Caution
adhered to.
Technical data of water dispenser
Max. hydraulic
~ 2 m3/h
capacity
Hydraulic capacity
under normal ~ 1 m3/h
operation conditions
Tapping increments 1 litre
Dimensions of inlet
and outlet pipe ½" external thread
connections
Weight 23 kg
Dimensions 400 x 500 x 210 mm
Protection class IP45
Capacity of included 12 V, 18 Ah
backup-battery = approx. 12 hours of operation
12 V external battery and MPPT charger
Battery extensibility
can be connected
Reading angles of
-/+ 60 degree
display
User interface touch and sound
• no metering of air pockets
• no mechanical wear parts
Direct flow sensor
• pressure metering feature, pressure
range 0 - 4 bar
Strainer pore size 0.5 mm
Valve type solenoid valve with NC contact
plastic double nipple, 1/2" external
Galvanic separator
thread (male/male)
AQtap standard flow meter parameters
Minimum flowrate Q1 = 0,16 m3/h
Transitional flowrate,
between permanent
Q2 = 0,25 m3/h
and minimum
flowrate
Permanent flowrate,
highest flowrate
Q3 = 1,60 m3/h
under steady flow
conditions
Overload flowrate,
highest flowrate for a Q4 = 2 m3/h
short period
Batteries
The batteries comply with the battery directive (2006/66/EC).
The non-rechargeable Lithium battery included in the AQtap
control unit does not contain mercury, lead and cadmium.
Type CR2032
Battery type
Lithium battery, 3 V, 230 mAh
Internal (standby) battery
The rechargeable nonspillable AGM lead-acid battery included in
the AQtap as a backup battery contains lead, it does not contain
mercury and cadmium.
Voltage supply Battery 12 V, 18 Ah
Charging current Max. 4.5 A
The orientation of the
left pole: minus (-) pole, blue cable
battery with regards
right pole: plus (+) pole, red cable
to polarity
the battery is filled with absorbing glass
AGM battery
fibre mats, so no liquid can leak out
Water Management System and connectivity
Broadcasting of
setup in Water Management System
alarms/ warnings
Data upload min. every 24 hours
Data import from
unconnected via associated PC Tool
dispensers
Smart card
NFC
connectivity
Dispenser
GSM Quad-band and GR PS coverage
connectivity
Required signal
strength of mobile RSSI > 18 (-77 dBm)
network
1. install SIM card in power-off AQtap
2. enter associated phone number,
IMEI number and select telco
Connectivity setup operator in Water Management
System
The unit is functional without
connectivity.
• Mini-SIM card (15 x 25 mm)
• 2G machine-to-machine GPRS data
subscription
• Ability to send and receive
Mobile subscription
international SMS messages.
specification
• Ability to acquire a signal from the
network operator you expect it to use
• GPRS data subscription of 10 MB per
month with automatic top-up
Connectivity
external antenna can be connected
extensibility
• Explorer: version 9 or newer
• Firefox: version 10 or newer
Water Management
System browser • Chrome: version 17 or newer
support
• Safari: version 6 or newer
• Opera: version 10 or newer
Ambient condition requirements
Ambient temperature 1-50 °C
Max. relative
95 % (non-condensing)
humidity
designed for wall-mounting, protected
Mounting
from direct sunlight and rain
Water supply requirements
complying with WHO drinking water
Water quality
standards
Water pH 5-9
particle size max. 0.5 mm
Water particle
content
• always install with supplied strainer
Water temperature 0.1 - 40 °C
0.02 - 0.4 MPa (0.2 - 4 bar)
Inlet pressure range
(height of main tank outlet: > 3 m)
Power supply requirements
• grid power AC connection:
110 - 240 V, 50/60 Hz
Power supply
• solar panel DC voltage:
15 - 45 V / 3 A
Max. power
45 W (1 solar panel is enough)
consumption
21