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Law provisions, technical regulations and norms
When installing the unit the following prescriptions
must be complied with:
• The gas safety (installation & use) regulations of
1984
• The gas safety (installation & use) regulation
(Amendment 1990)
Nozzle Table
Thermal capacity (kW)
Connection
Natural gas H (Hi = 9,45kWh/m3) m3/h
LPG
(Hi = 12,68 kWh/kg) kg/h
Natural gas H 20mbar
LPG 28-30/37mbar
Primary air
Distance "H"
Prior to connecting the unit to the gas mains, check
the data plate to see if the unit has been set and tested
for the type of gas available.
If the gas type given on the data plate is not the
same as that available, please refer to the paragraph
"Conversion or Adaptation".
Connect up to the gas mains using metal pipes
with a suitable diameter; install an approved cutoff
cock between them.
If flexible pipes are used they must be in stainless
steel according to the standard in force.
This unit belongs to construction type A therefore it
• Local prescriptions, such as building standards and
• Directives and regulations of the gas supply
• Health and safety at work etc. Act 1974
• The unit must only be installed in rooms where there
Technical data
Pilot burner
Main burner
Minimum
Pilot burner
Main burner
Minimum
Natural gas
LPG
Gas connection
ISO 7-1 standard, and the thread is external. This
ramp is at the rear of the unit on the right.
pressure to check for leaks on the fittings; foamy sub-
stances would be ideal for this purpose as they do not
cause corrosion, e.g. a leak finder spray.
flames!
Evacuating burnt products
does not have to be connected to a flue.
10
prescriptions concerning combustion
company and of the power supply company
is sufficient ventilation.
Nominal thermal
capacity
7,4
0,78
0,58
The connection ramp on the unit complies with the
Only an authorized firm may connect the unit.
Once the unit has been installed, use operating
Note: When checking for leaks do not use bare
Minimum thermal
capacity
4,5
0,47
0,35
Nr. 0,35
205
240
Reg
Nr. 0,20
135
125
19mm
40mm
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