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- That the gas supply pressure is in the range between the values
indicated on the data plate
- That the gas supply system is dimensioned for the capacity re-
quired by the appliance and is equipped with all the safety and
control devices required by current regulations.
LPG Water heaters ueled by cylinders equipped with inter-
ception and regulation devices, must be connected to guaran-
tee safety conditions for people and environment: comply with
the regulations of the law, we also recommend the installation
of appropriate filters for the interception of any impurities.
In case of prolonged absence of the user of the appliance, close
the main gas supply valve to the appliance.
Do not obstruct the ventilation openings of the room where a gas
appliance is installed in order to avoid dangerous situations such
as the formation of toxic and explosive mixtures.
Do not use the gas pipes as electrical appliance earthing devices.
Water connection
Connect the water heater to the water mains and fit a water shut-off
valve upstream from the appliance.
Looking at the appliance, the cold water inlet is on the right and
the hot water outlet is on the left.
Make sure that the piping of your water system is not being used as
an earth electrode for your electric or telephone system. It would
be completely unsuitable for this purpose.
Severe damage to the pipes could occur in a short space of time
and to the appliance.
The minimum distance between the water heater and sampling
point of hot water must exceed of 0,5 m
Water temperature greater than 50°C causes seve-
re burns. Always check the water temperature be-
fore any use.
Evacuation of combustion products (fig. 8-9-
10 pag. 58-59)
The manufacturer separately supplies various types of air intake
and fume exhaust pipes specific for any installation need.
By varying the type of installation the classification of the water
heater also varies, precisely:
- B type: the terminal takes air intake directly from the room in
which the water heater has been installed. The room must be
ventilated by a suitable air intake meeting current standards.
- C type: The water heater is a type C appliance (sealed cham-
ber) and must therefore have a secure connection to the flue
release tube and combustion air intake that both flow outside
and without which the appliance cannot function.
In rooms with corrosive vapour risks (for example, laundries, hair
dressers, galvanic processing rooms, etc.), it is very important to
use the type C installation with air intake for combustion from the
outdoors. This protects the appliance against corrosion effects.
For exhaust product evacuation, refer to current regulations. The
water heater uses original pipes and other of the same EC certi-
fied specifications for fume exhaust and recovery of combustible
air to ensure that the connection is correct, as indicated by the
instructions supplied with the fume accessories. Several applian-
ces can be connected to a single flue provided that they are all
sealed chamber type (refer to current regulations).
Pipes should not be in contact or near flammable mate-
rials and should not cross flammable walls or flammable
material structures.
The ducts reach high temperatures, use pipes made of
suitable material.
TYPE B22/B22P: Open chamber and forced draught for in-
door use
The water heater should not be installed in rooms where commer-
cial, crafts or industrial activities are performed, where products
able to develop products or substances that can be harmful to
appliance components and jeopardise operations are used. The
water heater cannot be installed in bedrooms, bathrooms, studio
apartments or where there are open chimneys without their own
air flow.
The installation room must have adequate ventilation, meeting all
current regulations.
TYPE B32: Horizontal coaxial exhausts
In this configuration, combustion product exhaust is outside the
home through concentric pipes, while air intake is in the room
where the appliance is installed.
TYPE C: Horizontal coaxial exhausts
In this configuration, air intake and combustion product exhaust is
outside the home through concentric pipes. Coaxial exhausts can
be faced in the direction most appropriate to room needs, meeting
the methods and lengths indicated in the following table.
The reference quotas for where to trace wall hole for the support
bracket are provided in figure 4 pag. 56.
TYPE C: Vertical coaxial exhausts
Use the vertical exhaust manifold and, if necessary, the relevant
extensions, observing the maximum admitted lengths as indica-
ted in the table.
TYPE C: Split exhausts
In this configuration, the intake and exhaust pipes are separate:
combustion air intake is from outside the home (AS) and combu-
stion product exhaust (SC) in a chimney or flue.
Split exhausts can face the direction most appropriate to room
needs.
The top view of the water heater is provided in figure 4 pag. 56
with the reference quotas for fume exhaust and combustion air
intake distances from the support bracket.
By referring to the length
of pipes, choose and in-
sert the correct flange:
see the different dia-
meters included in the
packaging (see tab. on
following page)
Maximum pipe length (see following table)
The 90° appliance output
curve load loss should
NOT be calculated
Eco
19
Length pipes/metres
Maximum considered length
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