Supplied By www.heating spares.co Tel. 0161 620 6677
7
HYDRAULIC CIRCUIT
AUTOMA
TIC AIR VENT
EXPANSION
VESSEL
Heating
Return
PRESSURE
GAUGE
PUMP
Cold
Water IN
Plate Heat
Exchanger
Overheat
Stat
DHW
out
Heating
Flow
By-Pass
3 bar
Pressure
Relief Valve
DOMESTIC HOT W
ATER MODE
AUTOMA
TIC AIR VENT
EXPANSION
VESSEL
Heating
Return
PRESSURE
GAUGE
PUMP
Cold
Water IN
Overheat
Stat
DHW
out
Heating
Flow
By-Pass
3 bar
Pressure
Relief Valve
CENTRAL HEA
TING MODE
Plate Heat
Exchanger
Filling Loop
Filling Loop
5