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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 posi-
tion. Changing the place of the pump is possible due to construction reasons. We recommend 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 horizontal 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 equipment is delivered serially with complete wall built-in and fitting parts. The housing pressure side has to be installed in
a way that the center of the injection nozzles is 200-250 mm under the water level and that the minimum distance to the side
wall is 1.5 m. The distance of the injection nozzles to each other is 150 mm. The boreholes for the housings into the pool barrier
can be made without any problem with the included drilling template. Please follow the instructions on the drilling template. The
housing suction side should be installed in a way that the centre of the housing is 800 mm under the water level. The distance
between the suction housings to each other should be 2 m. The boreholes for the housings into the pool barrier can be made
without any problem with the included drilling template. After finishing of the construction and cleaning the fitting parts you
can assembly the injection nozzles and the suction sieves. Fix the suction sieves with the screws delivered at the fitting part
suction side. Screw the injection nozzles in the fitting parts pressure side. After that, install the air inlet in the pump shaft. The
piezo cable is to be lead above water-level and has to be connected to the control box. The connection between the pump and
the fitting parts is made on site.
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 piezo switch.
2.
Check air injection.
3.
Hose and tube connections have to be checked on leakage during the working process. Due to temperature differences
tighting of the connections can get neccessary. (Check the system on leakage by reducing the installation as much as
possible).
4. OPERATING
The installation is switched on or off by pushing the piezo switch. The direction of the injection nozzles is adjustable.
The water jet should be set up in a way that the swimmer swims against whole jet.
5. HIBERNATION
The pump has to be empty. Close both valves and open the screw on the housing of the pump for emptying.
During down times the circuit should never be operated without voltage (except for maintenance work) due to danger of con-
densation forming. Piezo button during winter: For safety reasons the piezo switch button is to be deactivated using the switch
on the control box/cabinet, i.e. set to winter operation.
6. POSSIBLE PROBLEMS AND SOLUTIONS
Installation does not produce sufficient power:
6-1.
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 piezo switch and the control and check the configuration of the connection of the control
and the switch for summer/winter operation.
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 01/2021
11
a brand of Hugo Lahme GmbH
Art.-Nr.: 577399
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