Ariston ST 100 ProTech Manuale di istruzioni per l'installazione e l'uso - Pagina 8
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2.8
C
W
OLD
ATER
C
V
OMBINATION
SERVICEABLE 1/2" PRESSURE
REDUCING CARTRIDGE AND
LINE STRAINER
15mm
COLD
MAINS IN
F
. 2.6
IG
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8
The cold water combination valve can be connected either close by
the unit or alternatively it may be installed in a remote position from
ALVE
the unit as there is no requirement to site it in close proximity to the
cylinder. This allows a flexible and convenient installation. However, it
is important to note allowances for the discharge pipe work from the
expansion relief valve must be accounted for.
A balancing port is supplied on the 22mm valves (for units above 50
litres) and 28mm valves (for 500 litres units) allowing balanced cold
water supply to the rest of the building giving constant results for
mixer and shower valves. If the facility is not needed a plug is
supplied. Refer to F
Although this facility is not built into the 15mm valve (supplied with
model ST50), a tee piece may be inser ted between the two
components giving the same result. Refer to F
N
OTE
T
HERE SHOULD BE NO OTHER VALVES FITTED BETWEEN THE CYLINDER AND
THE EXANSION VALVE
VALVE (WITHIN HOUSING)
. 2.7 and F
IG
!
.
EXPANSION RELIEF
VALVE (SET AT 6 BAR)
NON-RETURN
TEE PIECE
3/4" B.S.P. CONNECTIONS
FOR BALANCED
FOR EXPANSION VESSEL
COLD WATER
TAKE OFF
(NOT SUPPLIED)
. 2.8
IG
. 2.6
IG
15mm
TO CYLINDER
For Model ST 50