Gb Installation Instructions; Solar Pump Assembly 10E / 20E - Wolf 10E Instrucciones De Montaje

Grupo de bomba solar
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Filling and flushing the
system
Gravity brake
Set screw
Flow regulation
Start-up
Pressure drop characteristic
for solar pump assembly
(refer to page 38-39 for the pump
performance curve)
3062506_201803.indd
Installation instructions
GB

Solar pump assembly 10E / 20E

- The ball valve (temperature display) in the return branch (1) must be turned to the
vertical position.
- Use a screwdriver to turn the gravity brake in the return branch (1) to the vertical
position
(open).
- Fill the system and flush and vent it for at least 20 to 60 minutes.
- Adjust the system pressure
- Turn the gravity brake back to its initial position (automatic mode)
- Check the system for leaks
If the collector circuit is re-heated by the storage tank, the permissible
operating overpressure in the piping network between the storage tank
and the pump assembly may be exceeded!
- After the filling and flushing procedure, all ball valves in the solar station (feed and
return branch) and the adjusting screw on the flow regulator must be opened again!
- All ball valves must remain open during operation!
- The hot water storage (boiler) must be switched off for maintenance and repair work.
- Start the solar control unit
(see control system installation and service instructions).
- Set the solar circulation pump to continuous operation
(see control system installation and service instructions).
- Turn the adjusting screw of the flow regulator to the vertical position
- Set the speed of the solar circulation pump to the required flow rate at the speed
switch (rough setting).
- The recommended flow rate can be finely adjusted using the adjusting screw.
Flow rate:
- Check the system pressure and top up the system if necessary.
0.5 - 1.5 l/min per collector
High Flow:
1.5 l/min x collector
Low Flow:
0.5 l/min x collector
e.g. high flow: 2 collectors x 1.5 l/min = 3 l/min
Flow rate V in l/min
.
(max. flow rate).
7

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Este manual también es adecuado para:

20e

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