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a brand of Hugo Lahme GmbH
Installation instructions
1. POSITION
It is recommended to place the pump of the counter-current in a way that the connection between the pump and
the fitting parts is as short as possible. In any case you have to ensure that the pump is installed in a manner that the
axle is in a horizontal position. Changing the place of the pump is possible due to construction reasons. We recom-
mend not to go beyond 5 m maximum distance for avoiding any higher flow reduction on the suction side. While
placing the installation please ensure that the pipes in that maximum area are passed without breakes and in a hori-
zontal way. If there are larger distances, you have to increase the diametre of the pipes. The place of the pump has to
be an area, where the ambient temperature does not exeed 40°C. Place the pump under the water level because the
pump does not suck itself. The pump and the locking parts have to be accessible any time. Ventilation and drainage
as well as floor drain have to be provided in the pump shaft.
2. INSTALLATION
The equipments is supplied as standard with all nessary fittings. The wall pack is suitable for 240 / 250 mm, alterna-
tively 150 mm thick concrete wall and should be mounted so that the centre of the nozzle is between 200 and 250
mm below water level and is not less than 1,5 m from the nearest side wall. After finishing of the construction and
cleaning the fitting parts, you may assembly the unit. If using a handle, it has to be mounted before. The air and
pneumatic or sensor connection of the fitting must be connected with the transitions in the wall pack. When push-
ing the fitting in, the hoses may not broken. Fix the fitting by using the delivered screws on the wall pack. Now, the
non-return-valve in the pump shaft has to be connected to the air hose. The non-return-valve and the pneumatic
hose have to be installed above water level. The pneumatic hose or the sensor cable has to be connected to the
control box. Complete the piping between the pump and the wall pack in accordance with the installation diagram
and part list.
3. STARTING UP
Ensure that the pool is full of water before starting up the pump. Avoid any dry run of the pump.
1. Open both valves and turn on the installation by using the sensor / pneumatic switch.
2. Check the air injection.
3. Check the regulation of the quantity.
4. Hose and tube connections have to be checked on leakage during the working process. Due to temperature dif-
ferences tighting of the connections can get neccessary. (Check the system on leakage by reducing the installation
as much as possible).
4. OPERATING
It is switched on and off by pressing the pneumatic or sensor switch button. The air regulator enables to mix the air
into the water jet (not valid for Tornado). The intensity of the water jet is adjusted by the quantity regulation (not
valid for Tornado). The nozzle can be adjusted in the direction. Adjust the current speed in a way that the swimmer
can swim against the full jet.
5. HIBERNATION
The pump has to be empty. Close both valves and open the screw on the housing of the pump for emptying.
6. POSSIBLE PROBLEMS AND SOLUTIONS
6-1. Installation does not produce sufficient power: Pump is turning in the wrong direction. Water level is too low.
Pump sucks in air. Valve is not completly open. Suction pipe leaks. Pump is clogged (with leaves for instance).
If the causes can not be identified, inform the service responsible.
6-2. Pump can not be switched on: Check the cable between the sensor switch and the control and check the con-
figuration of the connection of the control.
6-3. Relay for motor protection switches off: Relay for motor protection is not adjusted correctly. Rated current and
local situations have to be consistent with the adjustment of the relay for motor protection.
Pump is overheated. Cool down the motor and start it again. Phase failed - check the fuses.
6-4. Residual Current Device (RCD) switches off: The equipment has to be checked by an electrician.
Stand 02/2010
Art. Nr.: 576229
16
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