Page 68 - B8773-AEW-XX-XX-PP-A-0001_[P1]_Contractors Manual
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4.3 Gas

4.3.1 Gas Installation                               •	 All pipework shall be suitably primed
                                                         and gloss painted white where visible to
•	 The gas installation shall commence at                customers in the kitchen but must, in these
    the outlet of the gas meter in the position          circumstances, be clearly marked with
    indicated on the drawing.                            yellow gas tape. Elsewhere in the gas pipes
                                                         shall either be painted yellow ochre or
•	 Gas pipework shall be light gauge copper              marked at 1m intervals with “gas” tape.
    tube, Table X, and shall be sized to carry the
    load of all ovens and gas fired water heater     •	 Note that the position of the gas connection
    operating simultaneously.                            differs between the Middleby PS 200 and
                                                         PS555/PS570 Ovens, and for the PS 360 and
•	 The main pipe run to the ovens must always            PS 640 series, and also for the BOFI 3255.
    be run in 42mm pipe.
                                                     •	 The PS555/PS570 double oven only has ONE
•	 The gas supply to the PS200/540/640WOW                38mm gas connection (LHS) and its own
    ovens shall be terminated at two branches            internal manifold to supply the two ovens.
    approximately 400mm apart, vertically, with
    the lower one approximately 600mm above          •	 The PS360 and PS 640 series have one
    finished floor level at the RIGHT HAND end.          connection for each oven, similar to the
                                                         PS540 but at the LH end.
•	 The gas supply for PS555 ovens shall be
    terminated with a single outlet at the LH side   •	 The double BOFI XLT -3255 –TS oven has two
    of the oven, as detailed in the drawings.            connections, similar to the 200/540, and the
    Note that it is important that the termination       triple deck obviously has 3No. connections.
    is not too high so that it does not impede the
    oven from sitting back tight to the wall level.  •	 The plumber/ main contractor MUST check if
                                                         they are unsure which is required. No claims
•	 The gas supply to the PS360 series ovens              for subsequent alteration will be accepted.
    shall be terminated at two branches
    approximately 400mm apart, vertically, with      •	 The ventilation control panel supplier will also
    the lower one approximately 600mm above              provide a suitable 42mm gas solenoid valve
    finished floor level at the LEFT HAND end.           for installation, in the oven supply pipe, by
                                                         the main contractor’s plumber.
•	 The PS 640-WOW oven has similar
    requirements to the PS360 but can be triple      •	 It is the main contractor’s responsibility to
    stacked.                                             ensure that the gas pipe is purged through
                                                         the valve before hand-over of the system.
•	 As far as possible the gas supply shall be            If this is not done and the oven installers are
    concealed from public view.                          unable to complete their commissioning,
                                                         any subsequent call backs will be charged
•	 Lever type stop-cocks shall be provided in            to the main contractor.
    such a position that they are easily accessible
    and would enable the gas supply to be cut        •	 In all cases, the final “Quick Disconnect”
    off quickly in the case of an emergency.             gas hoses and fittings will be supplied
    They should not be located at the “back” of          and installed by the oven commissioning
    ovens where access is difficult. The handles         engineer.
    should be yellow ochre in colour.

4.3.1    Gas Installation                            3 February 2016
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