Dibo SBH-G-D, Original Instructions Manual

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CoMBuSTIon ChaMBER GaS hEaTED InSTRuCTIonS-REGulaTIonS
EN
DiBO 31
8
That means:
The cross section of the feeder tube has to be chosen in such manner that a pressure of at least 10 mbar exists
during the operation of the burner. The gas pressure switch is adjusted to this value.
Attention! The maximum thermal capacity can only be achieved by a flow pressure of 20 mbar.
(at measuring point 1 see picture 3 on page 11)
Gas meter and pre-pressure reducer should guarantee the flow pressure.
The burner stops, if the value goes below 10 mbar.
Rule of thumb: feeder tube = or larger ¾“ nominal width.
9.1.3 Liquefied gas
The “Regulations for prevention of accidents - Use of liquefied gas” (VBG 21) have to be considered.
The admissible types of gas are Propane and Butane. Sources for the supply of the gas may be liquefied gas tanks,
gas bottles or groups of gas bottles, their contents being larger than 30 kg.
The connection between the bottles and the burner requires a fracture proof safety tube with pressure reducer.
Dimension of the tube
: R 1“ x 3000 mm
Pressure reducer : V = 10 kg / h
: Pa = 25-50 mbar
The complete set for connection is available from the manufacturer’s accessories range.
After the installation the burner must always be readjusted by a well trained professional according to the
respective type of gas.
10. General mounting recommendations:
10.1 Gas conduit
A preliminary test and a principal test in the conduit as well as a combined loading and leak test have to be carried out
according to the intended pressure level (See also i.e. TRGI’86, paragraph 7). The air needed for the test or the inert gas
must be displaced from the conduit.
10.2 Gas fittings
Pay attention to the sequence and the flow direction!
10.3 Thread connection of tube
Only those sealants may be used, which are tested and released by the DVGW.
(DVGW=German Association for the gas and water area)
10.4 Type of gas – change-over
The change-over to another type of gas absolutely requires the readjustment of the burner.
10.5 Operating instructions
The operating instructions, which are enclosed to each machine, have to be suspended close to the machine in a visible
position. In this connection we refer to the DIN 4755, item 10 and DIN 4656, item 6. (DIN=German industrial norm)
The address of the service company has to be noted on the operating instructions.
10.6 Instructions
Operator’s mistakes are often the cause of failures. Therefore, the personnel have to be well instructed about the
functioning of the machine. In case of repeated malfunctions the after-sales-service has to be called.
10.7 Installation recommendation
Machines, which are not being installed in closed rooms but in the open air, require special proceedings against damages
or frost. The manufacturer can be asked for the corresponding information.