Wilo RAIN3 Notice De Montage Et De Mise En Service page 62

en
8.1.1 Drain replenishment reservoir
9 Maintenance
9.1 Maintenance work
10 Faults, causes and remedies
Fault
Pump does not start
62
1. Place a sufficiently large container (at least 11 L) under the replenishment reservoir.
2. Pre-drain the replenishment reservoir by switching to drinking water mode (menu
3.06). Shut off the drinking water supply at the tank and open a point of consumption.
3. Loosen the union nut on the suction connection of the replenishment reservoir (Fig. 1,
Item 19). Secure flat gasket.
4. Remove the retaining clip (Fig. 1, Item 20) and pull out the valve body (Fig. 1, Item 12).
Secure the valve seal.
5. Drain replenishment reservoir.
6. Reassemble the components in reverse order.
DANGER
Danger of death due to electrical current!
The voltage of the external power supply is also present when the main
switch is switched off!
• Disconnect the plug from the power supply before carrying out any
• Have electrical work carried out by a qualified electrician.
• Observe local regulations.
• Maintenance and repair work may only be carried out by qualified personnel.
The following is recommended:
• Have an annual check of the system carried out by Wilo's customer service.
• Have an annual test of the watertightness of the installation carried out.
The pump does not require maintenance.
An inspection of the system, especially of the pump (mechanical seal, tightness), replenish-
ment (opening and closing of the replenishment valve) as well as a check of the water
tightness of the system is recommended every 6 months.
DANGER
Danger of death due to electrical current!
The voltage of the external power supply is also present when the main
switch is switched off!
• Disconnect the plug from the power supply before carrying out any
• Have electrical work carried out by a qualified electrician.
• Observe local regulations.
WARNING
Risk of injury due to improper repair!
• Only allow repairs to be carried out by qualified personnel.
Cause
No power supply
Motor without power supply
work.
work.
Remedy
Check fuse protection/circuit breakers on the
control panel, check connections and power sup-
ply cable, then restart the system.
Set the switch on the pump to ON.
Check the power supply plug of the motor for cor-
rect fit.
Installation and operating instructions • Wilo-RAIN3 • Ed.05/2024-02