INSTALLER
28
1
6
UAC
1 8 9 1
EAF
7
5
1
1
EAF
MI1
RI1
2
1
1
2
3
1
1
2
3
1
4
1
1
2
3
4
5
6
7
7
7
1
6
UAC
1 8 9 1
EAF
7
5
1 8 9
8 9
1
EAF
MI1 MI2 MI3
RI2
RI3
2
1
1
2
3
1
1
2
3
1
4
1
1
2
3
4
5
6
7
7
7
1
1
3
10
2
1
1
3
10
2
1
1
RI1
4
1
Storage cylinder
(if present)
Storage cylinder
(if present)
TAU UNIT
TAU UNIT
1 - Isolating valve
2 - Non-return valve
3 - Pump
4 - Expansion vessel
5 - Automatic vent valve
6 - Safety valve
7 - Drain
8 - Softener filter
Typical water system schematics
TAU UNIT: basic configuration
TAU UNIT: configuration with temperature control kit installed
9 - Pressure reducer
10 - Mixer valve
MI1
- High temperature system flow
RI1
- High temperature system return
MI2/MI3 - Low temperature CH flows
RI2/RI3 - Low temperature CH returns
