Ariston ST 50 ProTech Istruzioni per l'installazione, la manutenzione e il funzionamento - Pagina 13
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3/4" B.S.P. CONNECTION
FOR EXPANSION VESSEL
22mm COLD
MAINS IN
SERVICEABLE 3/4" PRESSURE REDUCING
CARTRIDGE AND LINE STRAINER
(SET AT 3.5 BAR)
22mm TO WATER HEATER
22mm COLD
MAINS IN
'
15mm EXPANSION RELIEF
OUTLET TO TUNDISH
EXPANSION RELIEF VALVE
(SET AT 6 BAR)
Important Note!
The connecting nut used on
this water group Is of an
eccentric design. The offset
hole is not a manufacturing
defect.
22mm TO CYLINDER
NON-RETURN VALVE
(WITHIN HOUSING)
22mm BALANCED COLD WATER TAKE OFF
. WITH NON-RETURN VALVE
For ST 100, Prime HE ITD, III, ITSI,
Classico HE SID and STI models up to 3001
SERVICEABLE 1" PRESSURE REDUCING
CARTRIDGE AND LINE STRAINER
(SET AT 3.5 BAR)
EXPANSION RELIEF VALVE
(SET AT 6 BAR)
28mm TO
CYLINDER
3/4" B.S.P CONNECTION
FOR EXPANSION VESSEL
r BALANCED COLD WATER TAKE OFF
WITH NON-RETURN VALVE
For Classico HE STD and
STI 500 models