Baxi PBM-i 20 Manual Del Usuario página 94

WATER CONNECTIONS
System water circuit connection diagram, PBM-i with pump
Factory connections
12
13
12
1 Pressure gauge
2 Vibration damper joint
3 Shut-off valve
4 Calibrating valve
14 PBM 20÷40 EN
Installer connections
14
9
8
7
15
14
5 Flow switch 9 Expansion vessel
6 Thermometer 10 Wire mesh filter
7 Circulating pump 11 Fill – Refill
8 Safety valve 12 Temperature sensor
11
2
4
10
6
5
2
3
13 Differential pressure switch
14 Drain / chemical washing valve
15 System vent
1
15
UTILITY
RETURN
UTILITY
OUTLET
15
U I A