Typical Water System Schematics - Riello Condexa PRO Series Installation, Technical And Maintenance Manual

INSTALLATION

2.8 Typical water system schematics

Layout 1: circuit with thermal module directly linked to heating system (check that the pump's discharge head is sufficient to
ensure adequate circulation)
Layout 2: circuit with thermal module directly linked to heating system and DHW tank. (check that the pump's discharge head
is sufficient to ensure adequate circulation)
1
EAF
1 Isolating valve
2 Non-return valve
3 DHW circulation pump
4 Expansion tank
5 Safety valve
6 Drain
7 Pressure gauge
8 Pressure switch
9
Domestic hot water and central heating circuits must be completed with expansion vessels of adequate capacity and suitable,
correctly-sized safety valves. The discharge of safety valves and appliances must be connected to a suitable collection and dis-
posal system (see Catalogue for compatible accessories).
9
The choice of system components and the method of their installation are left up to the heating engineer installing the system.
Installers must use their expertise to ensure proper installation and functioning in conformity to all applicable legislation.
9
Special supply/refill water must be conditioned using suitable treatment systems.
0
It is prohibited to operate the thermal module without water.
SE
CONDEXA PRO
14
1 1
10 9
EAF
SE
CONDEXA PRO
14
5
6
7
8
1
10 9
4
9 Water softener filter
10 Pressure reducer
11 Storage cylinder
12 Automatic bleed valve
13 Diverter valve
14 Pump (fitted as standard for models
Condexa PRO 35 P and Condexa PRO
70 P)
5
6
7
8
1
2
4
1
MI
2 1
13
RI
1
20
MI
RI
UAC
5
12
1
6
3
4
2
1
1 9 10 1
EAF
11
6
SE Outdoor sensor
MI High temperature
system flow
RI High temperature
system return
EAF Domestic cold water
inlet
UAC Domestic hot water
outlet