Table des Matières
Publicité
Rev.1 16/03/2018
ENG
Pag.66
Boiler hydraulic diagrams
DHW (CD) is a technical water not suitable for direct DHW use.
A.
DELIVERY Heating male 1"
B.
RETURN Heating male 1"
C.
DHW DELIVERY male 3/4"
D.
DHW RETURN male 3/4"
E.
Reintegration (max 2 bar)
F.
Safety Exhaust (3 bar)
G.
Emptying the plant
1.
Boiler
2.
Circulating pump
3.
Circuit/heating chamber air vent
4.
Pressure relief valve P max 3 bar
5.
Expansion vessel (preload 1 bar)
use and maintenance manual
HR EVO 170 - 250
4
3
1
1
5
2
6
4
P
6.
DHW pump
7.
Automatic thermostatic valve
8.
Non-return valve
9.
Shutoff valve/cock
10.
Control system
11.
Drain cock
12.
Plate heat exchanger for DHW
13.
Pressure relief valve P max 6 bar
T
Water temperature sensor
P
Circuit pressure sensor
F
Flow switch
9
9
F
8
9
7
8
9
8
9
G
11
A
C
B
D
E
Publicité
Chapitres
Table des Matières
Dépannage
