Wilo RAIN3 Notice De Montage Et De Mise En Service page 59

6.4.2 Cable inlets and control device
wiring diagram
22 23 20
19 21 18
Fig. 20: Cable inlets
X2
X3
Fig. 21: Wiring diagram
7 Commissioning
Installation and operating instructions • Wilo-RAIN3 • Ed.05/2024-02
Cable inlets
Cable inlets, right
22 Rainwater storage tank pump
23 Main pump
20 Power supply
Cable inlets, left
19 Level sensor (screwed connection / Quickon connector)
21 •
•
•
18
•
•
Control device wiring diagram
F1
X1
X1 1
2
3
4
5
6
7
F1
8
9
10
11
12
X2 1
2
3
X3 1
2
Screwed connection for level sensor
3
4
Quickon connector for level sensor
3
4
5
6
7
8
Having the system commissioned by Wilo customer service is recommended.
3-way valve
Pressure sensor
Overflow sensor for replenishment reservoir
External alarm (potential-free contact)
Overflow sensor for rainwater storage tank
NOTICE
Control devices with and without internal fuse protection (F1) are used.
Internal fuse protection
L Power supply
PE Power supply
N Power supply
L Main pump
PE Main pump
N Main pump
L Rainwater storage tank pump
PE Rainwater storage tank pump
N Rainwater storage tank pump
N 3-way valve
L (NO) 3-way valve
L (NC) 3-way valve
11 COM Collective fault signal (potential-free)
14 NO Collective fault signal (potential-free)
12 NC Collective fault signal (potential-free)
S: hp Pressure sensor
+24 V Pressure sensor
S: LS Level sensor
+24 V Level sensor
S: LS Level sensor
+24 V Level sensor
S: BT Overflow sensor for replenishment reservoir
+24 V Overflow sensor for replenishment reservoir
+24 V Overflow sensor for rainwater storage tank
BS:C Overflow sensor for rainwater storage tank
en
brown
green / yel-
low
blue
"1"
green / yel-
low
"2"
white
Brown
Brown
White
white
brown
brown
blue
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