Commissioning - Wilo RAIN3 Einbau- Und Betriebsanleitung

en
F1
X1 X2
Fig. 20: Wiring diagram
7

Commissioning

Fig. 21: Pump filling
58
F1
X3
X1 1 L
2 PE
3 N
4 L
5 PE
6 N
7 L
8 PE
9 N
10 N
11 L (NO)
12 L (NC)
X2 1 11 COM
2 14 NO
3 12 NC
X3 1 S: hp
2 +24 V
3 S: LS
4 +24 V
5 S: BT
6 +24 V
7 +24 V
8 BS:C
Having the system commissioned by Wilo customer service is recommended.
CAUTION
Damage to property due to dry run!
If the pump runs dry, the mechanical seals will be damaged.
• Fill the pump with water and vent it before commissioning.
Pump filling
1. Unscrew the seal and remove it.
2. Fill the pump with clear water via a funnel (Fig. 21).
3. Reinstall the seal.
NOTICE
The level sensor must be correctly connected to the control device.
A faulty contacting or a measuring signal outside 4-20 mA is displayed as
an error and the system is switched to tap water mode.
Internal fuse protection
Power supply
Power supply
Power supply
Main pump
Main pump
Main pump
Rainwater storage tank pump
Rainwater storage tank pump
Rainwater storage tank pump
3-way valve
3-way valve
3-way valve
Collective fault signal (potential-free)
Collective fault signal (potential-free)
Collective fault signal (potential-free)
Pressure sensor
Pressure sensor
Level sensor
Level sensor
Overflow sensor for replenishment reservoir
Overflow sensor for replenishment reservoir
Overflow sensor for rainwater storage tank
Overflow sensor for rainwater storage tank
Installation and operating instructions • RAIN3 • Ed.04/2023-10
brown
green / yel-
low
blue
"1"
green / yel-
low
"2"
white
brown
white
brown
brown
blue