Replacing The Battery (Battery Kit) - Grundfos AQtap Service Instructions With Installation And Operating Instructions

7. Open the cabinet.
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8. Disconnect the AQtap from the battery supply.
– For exchanging the battery or power supply unit, disconnect
both battery cables.
– For all other kinds of servicing, only disconnect the blue
battery cable from the minus (-) pole (left side of the
battery).
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1
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17.4 Replacing the battery (battery kit)

The battery in the kit 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.
If you connect a discharged battery, it can take up to
12 hours until the AQtap can be operated, even if it is
Note
connected to power supply.
The waste battery must be disposed of according to
Note
local regulations!
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
Orientation of the
left pole: minus (-) pole, blue cable
battery with regards
right pole: plus (+) pole, red cable
to polarity
filled with absorbing glass fibre mats, so
AGM battery
no liquid can leak out
1. Prepare the AQtap for internal servicing, see section
17.3 Preparing the AQtap cabinet for internal servicing.
2. Unscrew and remove the screws in the battery clamp.