Field of application Installation Mount the wall bracket on the wall. The connectionCenter 3228 All-in-one is used as the basis for refillable cartridges. Make sure that the water supply line is installed in such a way that stagnation does not occur and that the escaping It supplies either softened, fully demineralised or deminera- water can drain off with a free gradient.
Adjust raw water hardness Note: When using the 14 and 30 litre cartridges, the strainer in the connection centre is not required and You are asked to enter the raw water hardness: can be removed! The cartridge is screwed directly onto the Connection Center.
Before filling, check the initial hardness of the water by The following confirmation appears: drawing 2-3 litres of water through the drain valve and check it with the hardness measuring set. If necessary, adjust the soft water hardness setting. After all settings have been completed, the display shows Adjust Conductance the newly calculated residual quantity in litres.
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Unscrew the locking screw of the pressure reducer with a Displays screwdriver. During filling, the display shows the current volume flow. If there is no flow, a simple press of the button displays the volume recorded so far since the last cartridge change. To decrease the filling pressure, turn the adjustment handle in the direction of minus (-) and to increase in the direction of plus (+).
Remove the manometer plug of the inlet and intermediate Filling the heating system pressure zone (1 + 2). Open the two shut-off valves of the Connection centre All- in-one to start the filling process. Install the maintenance ball valves in place of the manometer plugs.
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Vent the valve via the two needle valves. Then close the two Maintenance - inspection of needle valves again. check valve 2 Close the two shut-off valves. To test the outlet check valve (RV 2), the intermediate pressu- re zone must first be completely drained. Open the outlet shut-off valve.
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Place the tool on top of the backflow preventer cartridge (1) Remove backflow preventer and turn clockwise (2). It is necessary to disassemble the backflow preventer in case of a defect and if the backflow preventer cartridge is dirty and needs to be cleaned.
Make sure that the gaps of the tool engage with the pins of Unscrew the pressure reducer with the ring spanner (acces- the check valve 2. sory 4807.00.906) counterclockwise and clean it with clear cold water. Reassemble in reverse order. Open the ball valves again.
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Dimensions Type ConnectionCenter All-in-one Nominal size DN 20 R ½“ Dimensions L (mm) 305 - 327 (adjustable) l (mm) T (mm) 91 - 113,5 (adjustable) t (mm) H (mm) 263 (2,5-litre-cartridge) 365 (4-litre-cartridge) 562 (7-litre-cartridge) 1017 (14-litre-cartridge) 922 (30-litre-cartridge)
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