Grundfos AQtap Installation And Operating Instructions Manual page 8

2.1.5 Technical data
The values stated in the technical
Caution
data must be adhered to.
Technical data of water dispenser
3
Q1: 0.16 m /h
3
Q2: 0.25 m /h
3
Q3: 1.60 m /h
3
Q4: 2 m /h
Min. tapping volume: 0.4 l
Min. tapping volume for appliance with the
accuracy demands of the Measuring
Instruments Directive (MID): 20 l
Accuracy:
5 % for Q1 to < Q2
2 % for Q2 to Q4
± 1 litre for < 20 litre per tapping
2 % for ≥ 20 litre per tapping
Protection class: IP55
Climatic and mechanical environment
severity level: Class 0
Mechanical environment class: M1
Sensitivity to irregularities in velocity field:
Class U0
EMC class: E1
Inlet and outlet connections
• 1/2" external thread directly at the AQtap
• to be installed with 3/4" accessories and
water supply
8
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.
CR2032 lithium battery,
Battery type
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
• left pole: minus (-) pole,
Orientation of
blue cable
the battery
with regards
• right pole: plus (+) pole,
to polarity
red cable
filled with absorbing glass
AGM battery fibre mats, so no liquid can
leak out
Ambient condition requirements
Ambient
5-40 °C
temperature
Max. relative
95 % (non-condensing)
humidity
designed for wall-
Mounting mounting, protected from
direct sunlight and rain