Table of Contents
Advertisement
2.9 Typical water system schematics
The following P&ID represent the typical arrangements for the
most common types of installation and they are only a suggestion
for the installer that is resposible for all equipment and details
required by local laws.
9
The DHW and central heating circuits must incorporate ex-
pansion vessels of adequate capacity as well as suitably rated
safety valves. The condensate drain must be connected to a
suitable collection and drain system.
Single Boiler Piping Schematic Type A
RTC 1000-80 ÷ RTC 4700-80
FLOW
2
1
Boiler
2
Burner
3
Isolation valves
4
Central heating system pump
5
Non-return valves
6
Automatic vent valve
7
Boiler safety valve
8
Boiler drain valve
9
Y strainer
10
Pressure reducer
11
Expansion tank
LT (*)
CENTRAL
HEATING
RETURN
16
17
16
7
16
LT RETURN
1
9
The selection and the installation of the components of the
system is the responsibility of the installer, who must operate
in accordance with good practice and current Legislation.
9
If needed, water supplies and recovery circuits must be condi-
tioned by suitable treatment systems. Refer to the values list-
ed in the table in the paragraph Water quality requirements.
0
CAUTION: It is prohibited to operate the circulators without
water.
6
3
10
5
3
3
3
9
18
3
3
11
10
3
12
3
WATER
INLET
19
3
13
8
15
12
Water softener filter
13
Siphon
14
Condensate outlet
15
Drain
16
Isolation valve
17
Non-return valve
18
Air separator
19
Pressure gauge
HT
High Temperature
(*) LT
Low Temperature
27
INSTALLATION
CENTRAL
HEATING
SUPPLY
3
3
5
3
MAKE-UP
4
4
WATER
3
3
15
14
Hide quick links:
Advertisement
Table of Contents
