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b
Tighten the bolts (7), proceeding diagonally around
the flange to apply pressure uniformly around the
seal.
- Fill the storage cylinder's DHW (secondary circuit) and
check that there are no leaks from any of the seals.
- Check the performance of the storage cylinder.
5
4
20 troUblesHooting
SUPPLEMENTARY HEATING CIRCUIT
14
The storage cylinder functions
incorrectly or irregularly.
SOLAR COLLECTOR CIRCUIT
The storage cylinder functions
incorrectly or irregularly.
The storage cylinder loses a lot of
heat overnight.
9
8
7
6
FAULT
There are blockages or deposits in the
The water temperature from the boiler
FAULT
19 recycling and disPosal
At the end of its useful working life, do not abandon the sto-
rage cylinder in the environment, but dispose of it through
the proper channels in accordance with applicable legi-
slation.
CAUSE
Flow rate too high.
domestic hot water circuit.
The pump is malfunctioning.
is too low.
There is air in the primary circuit.
CAUSE
There is air in the circuit.
The flow rate is too low or too high.
Pressure is too low.
There is lime scale or sludge in the
cylinder.
There is natural circulation to the
collectors.
SOLUTION
- Fit a pressure limiter.
- Fit a flow reducer.
- Check and clean as necessary.
- Check the pump.
- Check the temperature setting.
- Bleed the circuit.
SOLUTION
- Bleed the circuit.
- Check the flow rate of the collector
circuit.
- Check that circuit pressure is ap-
proximately 3 bar when cold.
- Check and clean as necessary.
- Make sure that the non-return valve is
efficient and closes properly. Repla-
ce if necessary.
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