Grundfos PM Rain, Инструкция по установке и эксплуатации

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English (GB)
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13. Further product information
If you have any questions, feel free to contact the
nearest Grundfos company or service workshop.
14. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection
services.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Subject to alterations.
6. The red "Warning"
indicator light is
permanently on. a) Dry running. The pump needs water. Check the pipework.
b) The power supply to the pump is
disconnected after the PM Rain. Check the plug and cable connections.
If the pump has a built-in circuit
breaker, check that it is switched off.
c) The motor protection of the pump has
tripped due to overload. Check if the motor/pump is blocked.
d) The pump is defective. Repair or replace the pump.
e) The PM Rain is defective. Repair or replace the PM Rain.
7. The red "Warning"
indicator light
flashes once per
period. a) Cycling.
A tap has not been closed entirely
after use.
Note: For system without pressure
tank. Check that all taps have been closed.
See section 8.1 Anti-cycling.
b) Cycling.
There is a minor leakage in the system.
Note: For system without pressure
tank. Check the system for leaks.
See section 8.1 Anti-cycling.
c) Cycling.
The pressure tank has no precharge
pressure, or the tank size is
insufficient.
Note: For system with pressure tanks. Check the tank precharge pressure, and
recharge the tank, if necessary.
If the size of the pressure tank is
insufficient, set DIP switch 5 to "OFF", or
replace the pressure tank.
See section 8.1 Anti-cycling.
8. The red "Warning"
indicator light
flashes three times
per period, and each
pump start is
delayed a few
seconds. a) Too many start/stop sequences within
a short period.
The pressure tank has no precharge
pressure, or the tank size is
insufficient. Check the tank precharge pressure, and
recharge the tank, if necessary.
If the size of the pressure tank is
insufficient, set DIP switch 5 to "OFF", or
replace the pressure tank.
b) Too many start/stop sequences within
a short period.
The PM Rain is set to start/stop with
1 bar (100 kPa) differential pressure,
i.e. DIP switch 5 is set to "ON", but no
pressure tank has been installed in the
system. Set DIP switch 5 to "OFF".
9. The red "Warning"
indicator light flashes
four times per period. a) Pressure sensor fault. Repair or replace the PM Rain.
Fault Cause Remedy