Schematic
Page 4
SECTION 3 - Schematic
e&oe 07/22
6
7
DH Return
1
11
4
10
9
9
6
8
12
Heating Return
9
DH Flow
2
4
9
Heating Flow
16
15
1
2
3
4
5
6
7
8
Drain and vent valves
Strainer with drain valve
Pocket for heat meter sensor
Isolation valves
Pressure independent control valves
Plate heat exchanger (PHE)
Expansion vessel
Low pressure switch
9
10
11
12
13
14
15
16
Temperature sensors
Temporary bypass accessory
Heat meter or temporary spacer pipe
Safety relief valve
Circulation pump
Automatic air vent
Pressure gauge
Filling group
