Ariston microSYSTEM 15 RFFI Manual de instrucciones de instalación - Página 8
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2.10 F
C
LUE
ONNECTIONS
B
-
Y
PASS
The appliance includes an automatic by-pass valve, which protects the
main heat exchanger in case of reduced or interrupted water circulation
through the heating system, due to the closing of thermostatic valves or
cock-type valves within the system.
S
D
YSTEM
ESIGN
This boiler is suitable only for sealed systems.
D
C
RAIN
OCKS
These must be located in accessible positions to permit the draining of
the whole system. The taps must be at least 15mm nominal size an
manufactured in accordance with BS 2870:1980.
S
V
D
AFETY
ALVE
ISCHARGE
The discharge should terminate facing downwards on the exterior of the
building in a position where discharging (possibly boiling water & steam)
will not create danger or nuisance, but in an easily visible position, and
not cause damage to electrical components and wiring.
The discharge must not be over an entrance or a window or any other
type of public access.
M
W
F
- C
AINS
ATER
EED
ENTRAL
There must be no direct connection to the mains water supply even
through a non-return valve, without the approval of the Local Water
Authority, and must be in accordance with water supply regulations. Your
attention is drawn to, for GB: Guidance G24.2 and recommendation
R24.2 of the water regulations guide and for IE: the current edition of
I.S.813.
F
ILLING
A temporary method for initially filling the system and replacing lost water
during servicing and initial filling (complying to current water regulations
and byelaws) is provided. The flexible hose must be removed once the
system has been filled.
F
S
LUE
YSTEM
The provision for satisfactory flue termination must be made as described in BS
5440-1, for IE recommendations I.S.813.
The appliance must be installed so that the flue terminal is exposed to outdoor air,
consideration must be given to terminal discharges onto a pathway or passageway,
check that the combustion discharges will not cause a nuisance and that the terminal
will not obstruct the passageway.
The terminal must not discharge into another room or space such as an outhouse or
lean-to.
It is important that the position of the terminal allows a free passage of air across it at
all times.
If the terminal is fitted within 1 metre of a plastic gutter, within 500mm of a painted
eave or a painted gutter, an aluminium shield of at least 1 metre long should be fitted
to the underside of the gutter or painted surface. An air space of 5mm should be left
between shield and gutter.
The terminal should be located with due regard for the damage or discolouration that
might occur on buildings in the vicinity.
8
(P
W
)
RIMARY
ATER
H
EATING
R
H
B
ESIDUAL
EAD OF THE
OILER