67
Manual - Solar hot water systems 0020009607_02
9.7
What should be done if ...
Malfunction Remedy
… fluid drips out of the system?
Collect it (in a bucket) if possible and notify a qualified servicing
company.
… the fluid level rises in the collecting container under the solar
pump unit?
Notify a qualified servicing company.
… fluid or steam comes out of the expansion relief valve?
Notify a qualified servicing company.
… “ Sensor defective” or “Broken cable” is displayed on the controller? Notify a qualified servicing company.
… the pressure on the pressure gauge falls below minimum
operating pressure?
Notify a qualified servicing company.
… no temperature difference is visible between the flow and return
thermometer at the solar pump unit?
Wait five to ten minutes. If the system is then still running, the
system may be defective.
Notify a qualified servicing company.
… the pane of a flat plate collector has been damaged?
Do not touch the collector interior. Cover the collector with a
canvas as protection against rain. Notify a qualified servicing
company.
… the tube of a tube collector has been damaged?
Do not touch the collector interior. Notify a qualified servicing
company.
... the cylinder does not deliver enough hot water?
Check whether the standby cylinder temperature has been set
properly on the controller (approx. 60 °C recommended). Check the
hot water thermostat mixer setting (approx. 60 °C recommended).
If the settings are correct, the cylinder maybe calcified. In this case
notify a qualified servicing company.
Table 9.1 Troubleshooting instructions for the owner
10 Customer
service
and
manufacturer's warranty
10.1 Vaillant
service
To ensure regular servicing, it is strongly recommended
that arrangements are made for a Maintenance
Agreement. Please contact Vaillant Service Solutions
(0870 6060 777) for further details.
10.2 Vaillant
warranty
Vaillant provide a full parts and labour warranty for this
appliance.
The appliance must be installed by a suitably competent
person in accordance with the Gas Safety (Installation
and Use) Regulations 1998, and the manufacturer's
instructions. In the UK 'GORGI' registered installers
undertake the work in compliance with safe and
satisfactory standards.
All unvented domestic hot water cylinders must be
installed by a competent person to the prevailing
building regulations at the time of installation (G3).
Terms and conditions apply to the warranty, details of
which can be found on the warranty registration card
included with this appliance.
Failure to install and commission this appliance in
compliance with the manufacturer’s instructions may
invalidate the warranty (this does not affect the
customer’s statutory rights).
Notes for the owner 9
Customer service and manufacturer's warrenty 10
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