Robur AY Series, Инструкция по установке, эксплуатации и обслуживанию, Страница: 31 / 82

Installation, user and maintenance manual – AY Condensing line, AY series
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LPG systems must be equipped with a first stage pressure reducer near the liquid gas
tank to reduce the pressure to 1.5 bar and a second stage pressure reducer from 1.5 to
0.03 bar near the appliance.
LPG may cause corrosion. The connectors between the pipes must be made of a mate-
rial that is resistant to this corrosive action.
Vertical gas pipes must be equipped with a siphon and provided with a drain for the
condensate that may form inside the pipe during cold periods. It may also be necessa-
ry to insulate the gas pipe to prevent the formation of excessive condensate.
In any case, provide a cut-off valve (cock) on the gas supply line, to isolate the applian-
ce if required.
Table 4�1 –
GAS PRESSURE NATURAL GAS (G20) LPG (G30 / G31)
MAINS SUPPLY
among the following values:
17 - 25 (mbar)
among the following values:
25 - 35 (mbar)
Gas supply pressures
For data regarding hourly fuel consumption of the appliance, refer to Table 2.1 TECH-
NICAL CHARACTERISTICS
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11.
4�5 CONDENSATE DISCHARGE CONNECTION
The fumes exhaust pipe is located on the right of the appliance on the service plate.
To install/connect the pipe, proceed as follows:
The condensate discharge to the sewer must be:
implemented with material capable of resisting a degree of acidity equal to 3 - 5 •
pH;
sized to ensure a slope of 40 mm per metre of length; if this slope cannot be •
achieved, a condensate pump must be installed near to the discharge;
implemented in such a way as to prevent the condensate icing in the expected •
operating conditions;
mixed, for example, with domestic effluent (washing machine, dishwasher, etc.), •
usually of base pH, so as to form a buffer solution before discharge into the
sewer.
Do not discharge the condensate into the gutter drains, given the risk of icing and de-
gradation of the materials usually used for such drains.
LOADING THE SIPHON
In case of residential installation, to prevent an initial discharge of combustion pro-
ducts from the condensate drain, charge the siphon itself as follows:
remove the appliance's front panel and open the interior panel to access the 1.
siphon;
if the fumes exhaust equipment has not yet been installed, pour 0.2 litres of 2.
water directly into the plastic fumes exhaust pipe accessible from the top panel
(see Figure 4.6 Fumes evacuation pipe kit
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36 - detail "D") and visually check
that the siphon is full, then go to step 5. Otherwise, proceed as follows;
remove the clamp, disconnect the plastic siphon pipe and fill it with 0.2 litres of 3.
water;
reconnect the plastic pipe and secure it with its clamp; 4.