Commissioning; Maintenance - Wilo RAIN3 Einbau- Und Betriebsanleitung

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F1
1
2
T6,3A
3
1
4
2
5
3
6
X4
7
8
9
X3 X2
8

Commissioning

9

Maintenance

40
Commissioning
x1
X1
x2
1 1
2 2
3 3
4
5
6
7
8
x3
x4
CAUTION
Hazards due to malfunctions!
Before the complete commissioning of the installation, the pump must be filled and
vented, otherwise the mechanical seals could be damaged (dry running).
Before the complete commissioning of the installation, the pump must be filled and
vented, otherwise the mechanical seals could be damaged (dry running).
Commissioning steps:
▪ Pump venting: unscrew and remove the plug of the pump, fill the pump with clear water
by means of funnel (Fig. 16).Screw back the plug.
▪ Check that all flexible hoses are properly connected and tight.
▪ Open the city main water inlet and wait for the break-tank filling.
▪ Plug in the power supply socket and switch on the system.
▪ Use the interface of the controller (see chapter 7.2) to switch to the manual/main water
mode. The pump and the suction pipes are filling up with water.
▪ Select automatic running mode.
▪ Open successively all taps or water outlets of the installation in order to remove all the
residual air. The pump should turn on during this step. Otherwise, the controller
switches to the failure mode. Acknowledge the failure until the pump is completely
primed.
▪ Close all taps of the installation and check the water tightness of the system.
The product is ready to run.
Only qualified personnel is authorized to performed maintenance work and repairs.
1 11 COM
2 14NO
3 12NC
1 S:PS
2 +24V
3 S:LS
4 +24V
5 S:BT
6 +24V
7 +24V
8 S:C
1 N
2 L
3 PE
4 PE
5 L
6 N
7 N
8 L (NC)
9 L (NC)
1 L
2 PE
3 N
External alarm (dry contact)
External alarm (dry contact)
External alarm (dry contact)
Pressure sensor
Pressure sensor
Level sensor
Level sensor
Overflow sensor buffer tank
Overflow sensor buffer tank
Overflow sensor cistern
Overflow sensor cistern
Cistern pump
Cistern pump
Cistern pump
Main pump
Main pump
Main pump
3-way valve
3-way valve
3-way valve
Power supply
Power supply
Power supply
WILO SE 2019-10