Ariston 500 ST6 DIRECT User Manual - Page 10
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COLD WATER COMBINATION VALVE 3/4"
22 mm COLD
3.5
MAINS IN
SERVICEABLE 3/4 PRESSURE REDUCING
CARTRIDGE AND LINE STRAINER
(SET AT 3.5 BAR)
22 mm COLD
MAINS IN
22 mm BALANCED COLD WATER TAKE OFF
WITH NON-RETURN VALVE
FIG. 4
3/4" B.S.P. CONNECTION
FOR EXPANSION VESSEL
6 BAR
22 mm TO WATER HEATER
15 mm EXPANSION RELIEF
OUTLET TO TUNDISH
EXPANSION RELIEF VALVE
(SET AT 6 BAR)
22 mm TO WATER HEATER
NON-RETURN VALVE
(WITHIN HOUSING)
- 18 -
COLD WATER COMBINATION VALVE 1/2"
SERVICEABLE 1/2 PRESSURE
REDUCING CARTRIDCE AND LINE
STRAINER
VALVE (WITHIN HOUSING)
15 mm
COLD
MAINS IN
FIG. 5
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)
- 19 -
15 mm
TO WATER
HEATER