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Worcester-Bosch GREENSPRING CWi47 Manual

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Installation instructions
GREENSPRING CWi47 – 6 720 646 322 (2015/04)
6 Installation instructions
6.1 Gas supply
Appliances using Natural Gas (NG) must be connected to a
governed meter.
▶ Liquid Petroleum Gas (LPG) must be connected to a
regulator.
▶ Installation and connection of the gas supply to the water
heater must be in accordance with the relevant gas
regulations (page
4).
▶ Under no circumstance should be size of the gas supply
pipe be less than 22 mm.
▶ The meter or regulator and pipe work to the meter must be
checked, preferably by the gas supplier.
This is to ensure that the equipment is in good working
order and can meet the gas flow and pressure
requirements, in addition to the demand from any other
appliance being served.
▶ Ensure that the flow and pressures for the regulator
installed are those indicated for the consumption of the
appliance (see technical data in Table
4).
6.2 Appliance location and clearances
Considerations relevant to location
▶ This appliance must be installed at a suitable location onto
a fixed, rigid vertical surface at least the same size as the
appliance and capable of supporting the appliance weight.
▶ The heater must not installed above a source of heat.
▶ Observe the minimum installation measurements indicated
in Fig.
22.
▶The appliance must not be installed in sites where the
ambient temperature is expected to drop below 0
°C.
Where there is a risk of freezing, disconnect and drain the
appliance ( Chapter
5.6).
▶ Ensure that a fused spur exists at the place were the
appliance will be installed.
▶ Ensure that condensate can be drained.
Ventilation
▶ Ventilation needs to comply with the current standards.
▶ Do not store or use any combustible materials (paper,
thinners, paints, propellant, cleaning agents etc.) inside or
within the vicinity of the appliance.
Where these requirements are impossible to fulfil, an
alternative site must be selected.
Surface Temperature
DANGER:
▶ ISOLATE THE MAINS GAS SUPPLY
BEFORE STARTING ANY WORK AND
OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
CAUTION:
▶ Do not install the appliance where the
inlet water temperature exceeds 60
°C.
In such cases we recommended the
installation of a thermostatic mixing
valve on the water supply to the
appliance.
NOTICE:
▶ No surface protection is required against
heat transfer from the appliance.
… 19 …


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