Grundfos AQtap Installation And Operating Instructions Manual page 5

2.1.2 Solar panel connection
Ensure correct polarity!
Check the polarity using a
Caution
multimeter before connecting
the cables from the solar panels.
2.1.3 Handling of batteries
• Do not short-circuit the two
poles of the batteries.
Caution
• Ensure correct polarity!
The internal battery is supplied
charged. As soon as it is
Caution
connected there is power on the
AQtap.
An external battery replaces the
internal battery.
• Use a 12 V rechargeable lead
acid battery.
• The cables of the internal
Caution battery must be 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.
2.1.4 Antenna installation
The internal antenna that is
mounted to the top of the
cabinet must not be removed or
Caution
loosened, in order to ensure IP45
protection class.
2.1.5 Technical data
The values stated in the
technical data must be adhered
Caution
to.
Technical data of water dispenser
Q1: 0.16 m³/h
Q2: 0.25 m³/h
Q3: 1.60 m³/h
Q4: 2 m³/h
Protection class: IP45
Inlet and outlet pipe connections
½" external thread
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, Lithium
Battery type
battery, 3 V, 230 mAh
The rechargeable nonspillable AGM lead-
acid battery (internal standby battery)
included in the AQtap as a backup battery
contains lead, it does not contain mercury
and cadmium.
Voltage
Battery 12 V, 18 Ah
supply
Charging
Max. 4.5 A
current
The • left pole: minus (-) pole,
orientation of blue cable
the battery
• right pole: plus (+) pole,
with regards
red cable
to polarity
the battery is filled with
AGM battery absorbing glass fibre mats,
so no liquid can leak out
Ambient condition requirements
Ambient
1-50 °C
temperature
Max. relative
95 % (non-condensing)
humidity
designed for wall-
Mounting mounting, protected from
direct sunlight and rain
Water supply requirements
complying with WHO
Water quality
drinking water standards
Water pH 5-9
particle size max. 0.5 mm
Water particle
• always install with
content
supplied strainer
Water
0.1 - 40 °C
temperature
Inlet pressure 0.02 - 0.4 MPa (0.2 - 4 bar)
range
5