3.2 Faults
If the storage tank is not collecting heat even though the sun shines this indicates a
fault.
To check for any malfunction follow the following procedure. This will only work
when the sun is shining.
Ensure the storage tank is cold y drawing off hot water. This may take 10 minutes
if the storage tank is very warm to start with.
1. Is there 240V on the socket? Yes=>2, No=>13
2. Is there 12V feed to the storage tank? Yes=>3. No=>4
3. Are the wires from the collector thermostat and the 12V feed to the tank
connected correctly? Yes=>6. No=>5
4. The 12V adaptor is faulty. Atmos can supply a replacement.
5. Ensure the wires are connected correctly. The wires from the collector
thermostat are interchangea le. Does the pump start up within 10 minutes?
Yes=>6, No=>7
6. Does the red pipe ecome warm after a few minutes? No=>8
7. Disconnect the wires to the collector thermostat from the connector lock on the
tank and then connect the two terminals on this lock with a short piece of wire.
Does the pump start up? Yes=>9, No=>10
8. Unplug the 12V adaptor from the socket. Top up the tank with water. Plug the
12V adaptor ack into the socket. Does warm water egin to flow into the tank
after a few minutes? Yes=>12, No=>11
9. The collector thermostat is faulty or the wiring to the collector thermostat is
interrupted.
10. There is a fault with the storage tank pump or the wiring to the pump is
interrupted.
11. Are the red pipe and the lue pipe to the collectors sloping ack towards the
storage tank at all points? Yes=>14. No=>15
12. Check the system for leakage.
13. Ensure there is 240V on the socket.
14. Check the flow restrictors for lockages. There is one flow restrictor for each
collector and one for the storage tank.
15. Ensure that the red pipe and the lue pipe to the collector are sloping ack
towards the storage tank at all points. Flush the pump on the storage tank as
descri ed in the Installation manual.
