24
INSTALLER
INSTALLER
Combination with multiple boilers with primary and secondary circuit
8
8
8
3
3
3
5
5
5
5
16
15
3
10
12
3
3
15
6
3
3
3
11
3
3
3
10
9
5
7
7
7
13
3
5
4
3
4
4
4
M
TC
3
3
3
3
3
3
3
3
13
13
14
SP
FLOW
MAKE-UP
WATER
COLD
WATER
INLET
LT (*)
RETURN
FLOW
LT (*)
RETURN
FLOW
LT (*)
RETURN
LT (*)
CENTRAL
HEATING
RETURN
CENTRAL
HEATING
SUPPLY
1
2
1
2
1
2
1
Boiler
2
Burner
3
Disconnect valves
4
Central heating system pump
5
Non-return valves
6
Automatic vent valve
7
Boiler safety valve
8
Boiler drain cock
9
Y filter
10
Pressure reducer
11
Expansion tank
12
Water softener filter
13
Siphon
14
Condensate outlet
15
Boiler drain
16
Cascade sequence motorized valve
M
Pressure gauge
SP
Cascade control panel
TC
Temperature control
EAF
Domestic cold water inlet
(*)
LT = Low temperature
