Wilo TOP-S Series User Manual

English
50 WILO SE 05/2011
With the power
switched on, the pump
does not run
MCB tripped/defective. Exchange/switch on the MCB.
If the MCB trips again:
• Check the pump for electrical
defects.
• Check the mains cable to the
pump and check the electrical
connections.
FI protection switch has
tripped.
Switch on the FI protection switch.
If the FI protection switch trips
again:
• Check the pump for electrical
defects.
• Check the mains cable to the
pump and check the electrical
connections.
Undervoltage Check the voltage at the pump
(refer to the name plate).
Damage to the windings Ask for after-sales
Terminal box defective. Ask for after-sales
capacitor defective (only
for 1~). Terminal box type
1/2/3/4/5/8/9
Exchange the capacitor.
Cable jumper for speed
change-over not fitted/
wrongly fitted. Terminal
box type 2/4
Fit the cable jumper correctly,
see Fig. 4
Speed selection plug is
not fitted.
Terminal box type 5/6/7
Fit the speed selection plug.
Jumpers not fitted/
wrongly fitted.
Terminal box type 8/9 in
1~/3~ operation: Green
indicator light on
Fit the jumpers correctly, see con-
nection diagrams Fig. 8 a-f.
Fault Cause Remedy

Wilo TOP-S Series Specifications

General

Application	Heating
Power Supply	1~230V, 3~400V
Maximum Operating Pressure	10 bar
Speed Stages	3
Materials	stainless steel shaft
Shaft Seal	Mechanical seal