Riello RTC Series - Page 26

26
INSTALLATION
Multiple Boiler Piping with Primary and Secondary Piping
FLOW
1
FLOW
1
FLOW
1
13
8
8
8
16
16
16
17
17
17
17
18
14 15
3
10
12
3
3
13
13
15
6
3
3
3
11
3
3
3
10
9
5
7*
7
7*
7
7*
7
SP
2
2
2
3
5
4
3
4
4
4
M
TC
3
3
16
16
16
16
16
16
MAKE-UP
WATER
WATER
INLET
LT
RETURN
LT
RETURN
LT
RETURN
LT (*) CENTRAL
HEATING
RETURN
CENTRAL
HEATING
SUPPLY
1 Boiler
2 Burner
3 Isolation valves
4 Central heating system pump
5 Non-return valves
6 Automatic vent valve
7 Boiler safety valve
7* Second boiler safety valve (only for RTC 8000 - RTC
10000)
8 Boiler drain valve
9 Y lter
10 Pressure reducer
11 Expansion tank
12 Water softener lter
13 Siphon
14 Condensate outlet
15 Drain
16 Isolation valve
17 Non-return valve
18 Mixer tank
M Pressure gauge
SP Sequencing panel
TC Control temperature
(*)_HT High Temperature
LT Low Temperature
_ _ _ RTC 8000 - RTC 10000
. _ . _ . Electrical signal