Page 10 of 28 801314UK - G4 Boiling chilled commercial installation instructions - June 2016 - V2.04Before installationBefore installation ensure that the following have beenprovided at the installation site• Review of all the technical specifications.• Ensure the under counter cupboard floor can support the product weightwhen full of water (allow an extra 5-8kg when full).• Sufficient space in the cupboard to install the Command-CentreTM andother components in accordance with these installation instructions. SeeTechnical specification, page 9 for dimensions. Make allowance for abooster if required. See sections 2 to 4, pages 13 to 21 for installationinstructions.• For Zip HydroTap®G4 models without booster, 1 x 220-240V AC 13A socketwill be required.For Zip HydroTap®G4 models with booster, 2 x 220-240V AC 13A sockets willbe required.(One socket is for the Command-CentreTM and the other for the booster).• Both the Command-CentreTM and booster must be installed in accordancewith IEE regulations, See Technical specification, page 9 for powerratings.Note Check all cable and hose lengths against inlet /outlet positions beforeproceeding (see sections 2 to 4, pages 13 to 21 for general layout).• A potable water supply connection with isolating valve inside thecupboard within reach of the braided hoses and positioned so that theconnection point and the stop cock will not be obstructed when theCommand-CentreTM is installed.• For the All-in-One 'Mains' models an external hot and cold water supply isrequired.• If an external filtration or water softening device is required, then it isimportant to allow extra space for these items.• A potable cold water supply with a minimum working pressure of:(see page 9 min. / max. water supply pressure).• If pressure is likely to exceed 0.7 MPa (7 bar), install a 0.35 MPa (3.5bar) pressure limiting valve.• The appliance must be placed with its base in a horizontal position.IMPORTANT! Do not proceed with the installation if these requirements arenot met.