Ariston microSYSTEM 21 RFFI Instrukcja instalacji - Strona 8
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2.8
G
C
AS
ONNECTION
2.9
W
C
ATER
ONNECTIONS
F
. 2.4
IG
marked "L".
Note: The diagrams for the electrical system are indicated in section 2.12.
Warning, this appliance must be earthed.
External wiring must be correctly earthed, polarised and in accordance with
relevant regulations / rules. In GB this is the current I.E.E. WIRING
REGULATIONS. In IE reference should be made to the current edition of the
ETCI rules. This boiler is supplied for connection to a 220 - 240 V~ 50 Hz
supply.
The supply must be fused at 3 A.
The method of connection to the electricity supply must facilitate complete
electrical isolation of the appliance, by the use of a fused double pole
isolator having a contact separation of at least 3 mm in all poles or
alternatively, by means of a 3 A fused three pin plug and unswitched
shuttered socket outlet both complying with BS 1363.
The point of connection to the Electricity supply must be readily accessible
and adjacent to the appliance unless the appliance is installed in a bathroom
when this must be sited outside the bathroom (see section 2.3).
The local gas region contractor connects the gas meter to the service pipe.
The gas installation should be in accordance with the relevant standards. In
GB this is BS6891 and in IE this is the current edition of I.S.813. The
connection the the appliance is a 22mm copper tail located at the rear of the
gas service cock (F
. 2.3). If the gas supply for the boiler serves other
IG
appliances ensure that an adequate supply is available both to the boiler
and the other appliances when they are in use at the same time. Pipe work
must be of an adequate size. Pipes of a smaller size than the boiler inlet
connection should not be used.
V
F
. 2.3
IG
L
:
EGEND
A = Central Heating Flow
C = Gas Inlet
E = Central Heating Return
F = Safety Valve
G = Pump transportation screw
(remove before igniting the boiler)
H = Automatic By-pass pipe
8
B
C
IEW OF THE
OILER
ONNECTIONS
F
C
A
H
G
E