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

11. Insert the coil plug.
12. Screw in and tighten the screw to fix the coil plug.
– Torque = 0.6 ±0.2 Nm
Torque [Nm]
0.6 ±0.2
13. Plug in the flow sensor cable connector at the control unit.
14. Complete the internal servicing of the AQtap, see section
17.14 Completing steps after internal servicing.

17.8 Replacing the control unit (control unit kit)

1. Prepare the AQtap for internal servicing, see section
17.3 Preparing the AQtap cabinet for internal servicing.
2. Unplug the relay connector, solenoid valve signal connector
and flow sensor connector at the control unit.
3. Take out the SIM card.
4. Unscrew the antenna cable plug from the CIM card antenna
connection at the control unit.
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