Ariston Contract STI 300 indirect Manual de instruções de instalação - Página 6
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2.7
C
ONNECTION OF
W
S
ATER
UPPLY
W
-
ALL
HUNG
PRESSURE + TEMPERATURE
RELIEF VALVE
HOT SUPPLY
15/22mm
M
For Contract, Comfort and High Capacity models:
AINS
On the front of the unit there is a label to identify the connection ports.
Please check this before making any connection to the unit.
For units up to 300 litres it is recommended that all mains cold water supply
pipe work is a minimum of 22mm, with the exception of model ST50 where
15mm can be used. For 500 litre models the supply should be 28mm. An
isolating valve should be installed between the cold water supply and the
cylinder for servicing. ALL PIPEWORK MUST BE FLUSHED TO AVOID
DAMAGE TO THE CONTROL VALVES.
Please refer to F
ST 50-80-100
COLD
MAINS-IN
15/22mm
15mm
EXPANSION
VESSEL
COMBINATION
VALVE
EXPANSION
RELIEF
PIPE
TUNDISH
MAX. 100mm
F
IG
. 2.1, 2.2, 2.3, 2.4, 2.5 for a suggested installation layout.
IGS
C
ONTRACT
22mm
. 2.1
MAX. 100mm
6
STD 100-125-150-210-300 D
COLD
MAINS-IN
22mm
COMBINATION
VALVE
EXPANSION
VESSEL
PRESSURE + TEMPERATURE
RELIEF VALVE
HOT SUPPLY
22mm
EXPANSION RELIEF
PIPE
SECONDARY
RETURN
TUNDISH
22mm
DRAIN
IRECT
F
. 2.2
IG