Rational iCombi Pro Original Installation Instructions page 68

10 | Gas connection for gas devices
Requirements for gas type and gas pressure
Check that the ex-works gas setting on the device matches the actual con-
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ditions for the local gas connection.
The gas type and the dynamic connection pressure set in the device must
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match the specifications on the type plate.
If the line pressure deviates from the connection flow pressure of the de-
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vice, contact your gas supply company.
Observe the regulations of the local gas supply company.
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Requirements for gas supply and gas lines
The flue gas analysis may only be carried out by a technician authorized by
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the manufacturer. The flue gas analysis must be carried out before com-
missioning.
The gas connection may only be carried out by a locally approved gas in-
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staller.
The gas connection line must be designed for the nominal heat load speci-
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fied on the type plate.
The gas supply and gas distribution in the device must be checked for
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leaks using a suitable gas leak detector.
The cross-section of the gas line must be designed for the maximum con-
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nected power of all consumers, at least ¾ inch.
A gas shut-off valve must be installed upstream of each device.
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All on-site connection parts must be tested in accordance with DIN-
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DVGW (the local gas supply companies).
The gas line can be connected to a gas socket.
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A connection with internal thread is required to connect the gas line.
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The device must be secured against slipping.
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For values of undiluted CO greater than 174.7 mg/m³ [150 ppm] for hot
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air and greater than 465.8 mg/m³ [400 ppm] for steam, the burner setting
must be checked by a company-trained and certified technician in accor-
dance with the setting instructions, and reset if necessary. Subsequently, a
flue gas analysis must be carried out by the technician.
Observe the maintenance instructions for gas components.
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The gas installation must comply with CGA-B 149.1 natural gas regula-
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tions or CGA-B 149.2 propane gas regulations.
68 / 84
G20
20 mbar
[0,29 psi]
80.06.083_iCombi Pro-iCombi Classic_IM_V01_en-US