Supplied By www.heating spares.co Tel. 0161 620 6677
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11
HYDRAULIC CIRCUIT
AUTOMATIC 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 WATER MODE
AUTOMATIC 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 HEATING MODE
Plate Heat
Exchanger
Filling Loop
Filling Loop