DAB 1S4 Instructions Pour L'installation Et La Maintenance page 19

INSTRUCTIONS FOR CONNECTING SETS TO STANDARDS EN 12845 – UNI 10779
1
DNM
2
3
15
4
POMPA 2
POMPA
PUMP 2
PILOT
PILOTA
PUMP
1 – Diaphragm expansion tank
2 – Interception valve
3 – Manual test valve ½"
4 – Manual test valve ½"
(not supplied bu DAB)
5 – Electropump n.1 control panel
6 – Pilot electropump control panel
7 – Electropump n.2 control panel
Dimensions DN A (pump connection)
Electropumps 4"
DN 50
Dimensions DN M (delivery manifold to system)
Electropumps 4"
2"
ENGLISH
WITH SUBMERGED PUMPS 4" – 6" – 8"
PUMP 2
PUMP 1 PILOT PUMP
CONTROL
CONTROL
CONTROL
QUADRO QUADRO
QUADRO PANEL
PANEL PANEL
POMPA 1 POMPA PILOTA POMPA 2
5 6 7
8 – Delivery manifold
9 – Flow rate measuring device interception valve (optional)
10 – Flow rate measuring device test pipe (optional)
11 – Flow meter – flow rate measuring device (optional)
12 – Pressure switches for starting the pump
Put the contacts of the 2 pressure switches in series
(contacts are normally open with system unloaded, zero
pressure) and connect the two remaining leads to the
teminals 3 – 4 of the DAB electric panel
13 – Non-return valve
14 – "TI" flow rate measuring device
15 – Red sleeve 3/8"-water recirculating and air discarge
Electropumps 6"
Electropumps 6"
FRONT VIEW
VISTA FRONTALE
OF FLOW RATE MEASURING KIT
KIT MISURATORE DI PORTATA
8
13
9
15
1¼ DNA DNA
8
2
9
Electropumps 8"
DN 80
Electropumps 8"
DN 80
17
11
DELIVERY PIPE
TUBAZIONE MANDATA
TO SYSTEM
ALL'IMPIANTO
14
14
10
11
VISTA LATERALE
SIDE VIEW OF FLOW
KIT MISURATORE DI PORTATA
RATE MEASURING KIT
DN 100
DN 100
PIPE TO
TUBAZIONE
DISCHARG
ALLO SCARICO