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2.9
APPLIANCE HYDRAULIC CIRCUITS
4
CH MODE
DHW MODE
FLUE
PRODUCTS
PRIMARY
FLOW
CONDENSATE
OUTLET
CH
FLOW
DHW COLD
INLET
DHW HOT
OUTLET
CH
RETURN
MANUAL
BLEED VALVE
PRIMARY HEAT
EXCHANGER
CONDENSATE
TRAP
BURNER &
BURNER
FLANGE
EXPANSION
VESSEL
PRESSURE
GAUGE
3 BAR
PRESSURE
RELIEF VALVE
FLOW
SWITCH
PLATE HEAT
EXCHANGER
DHW FLOW
THERMISTOR
CH FLOW
THERMISTOR
PUMP &
HYDROBLOCK
AUTOMATIC
AIR VENT
CH RETURN
THERMISTOR
FLUE
PRODUCTS
MANUAL
BLEED VALVE
PRIMARY
FLOW
PRIMARY
RETURN
CONDENSATE
OUTLET
CH
FLOW
DHW COLD
INLET
DHW HOT
OUTLET
CH
RETURN
PRIMARY HEAT
EXCHANGER
CONDENSATE
TRAP
BURNER &
BURNER
FLANGE
EXPANSION
VESSEL
PRESSURE
GAUGE
3 BAR
PRESSURE
RELIEF VALVE
FLOW
SWITCH
PLATE HEAT
EXCHANGER
DHW FLOW
THERMISTOR
CH FLOW
THERMISTOR
PUMP &
HYDROBLOCK
AUTOMATIC
AIR VENT
CH RETURN
THERMISTOR
10
751094 ACE HE INST MANUAL:751094 ACE HE 28/9/10 09:45 Page 12