Diamond B/3P-E/3P Manual - Page 7
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2.3
Installation place
- The unit should be installed in a properly ventilated space; it requires an air intake of at least 2 m3/h .kW of thermal
capacity.
- The unit should be installed in compliance with the safety regulations applicable in the country of installation.
2.4
Positioning
- This unit may be installed individually or mounted together with other units from the same range of products.
- This unit is not suitable for encasing.
- A minimum clearance of 10 cm to partition walls should be maintained. Should this clearance be smaller or if the
partition or floor material is flammable, installing thermal insulation is mandatory.
2.5
Connection to the gas system
- The unit's gas supply should have the characteristics and pressure shown in Table II.
- Gas pressure is measured at the initial pressure outlet with the burner on.
- The unit has been tested and fitted for operation with the type of gas indicated on the external sticker plate.
* N.B. Should the supply pressure vary by more than +10% of the nominal pressure, it is advisable to install a
pressure regulator upstream of the unit to ensure the nominal pressure.
- Connection to the gas supply should be performed using metal piping of an appropriate cross section; an approved
shutoff cock must be fitted upstream.
- After connecting the gas supply, use soap water to check for leaks at pipe joints.
2.6.1 Incoming pressure check (PE)
The pressure is measured with a pressure gauge from 0 to 80 mbar
(accuracy at least 0.1 mbar).
The pressure connection is on the sit block.
Close the gas valve.
Unscrew the screw (A) of the «IN» pressure tap.
Fit the silicone rubber hose into the manometer.
Open the gas valve.
Turn on the burner and raise the «dynamic» pressure upstream. Close
the gas valve.
Reassemble the screw (A) with a gas seal washer and check for leaks
with soapy water.
2.6.2 Control of operation using liquid gas
- Check whether the fitted nozzles comply with the indications in Table 2 (see p. 07).
- Check whether the incoming pressure complies with the indications in Table 2 (see p. 07).
- Make sure that the LPG gas system has two pressure regulators of adequate capacity and that the evaporation capa
city is sufficient.
- Please also refer to the publication "Installation Regulations and Characteristics of LPG Systems".
2.7
Discharge of exhaust flue products under a draft hood
The gas unit should be installed in rooms enabling the discharge of flue products in compliance with the installation
standards.
The ventilation system should be permanently activated in accordance with the national and regional standards in force.
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