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MACDONALD INDUSTRIES LIMITED INSTALLATION INSTRUCTIONS OPERATION • Press the push-button control to open the valve. • Mixer: temperature control via the side lever. • Automatic shut-off after ~7 seconds for washbasins, ~3 or 7 seconds for urinals (depending on the model) and ~30 seconds for showers (+5/-5 at 3 bar). INSTALLATION •...
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Panel-mounted Models (fig. E) • Drill a Ø 36mm diameter hole. • Pass the valve through the panel. • Tighten the nut against the panel. • Tighten the 2 screws using a 3mm Allen key. • Connect the water supply and operate the valve several times to stabilise the time flow. Recessed Model (fig.
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MACDONALD INDUSTRIES LIMITED INSTALLATION INSTRUCTIONS ADJUSTING THE FLOW RATE (FIG. I AND J) The flow rate is set at the factory at 3 lpm for washbasins, 6 or 9 lpm for showers (Ref.s fitted with ROUND, TONIC JET or GYM shower heads are set at 6 lpm) and 9 lpm for urinals. •...
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MAINTENANCE Foreign bodies in the pipework can cause the mechanism to malfunction. To remove the mechanism (fig. I): • Remove the grub screw using a 2.5mm Allen key. • Remove the push-button . • Unscrew the cartridge using a 28mm spanner. Automatic shut-off takes too long or there is continuous flow (fig.
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• Sizing the pipes correctly will avoid problems of water hammer and loss of pressure/flow rate. (See the calculation table in the brochure or on line at www.delabie.com). • Protect the installation with filters, water-hammer absorbers or pressure reducers to reduce the frequency of maintenance.
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