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1. On the app, override one zone to 28°C for 1 hour. Ideally choose a room that has only 1 Radiator Valve. 

   1. Click on the zone to override.
   2. Change the mode icon at the top-right to the Override symbol (3 arrows).
      
   3. Ensure the override temperature is 28°C and the override duration should be 1 hour.
2. Check that the Receiver Unit is active:
   1. A Single Channel Receiver shows a green light.
      <Insert image of SCR with green dot on ON>
       
   2. Hold down the Heating button on the the Dual Channel Receiver (the light at the top-left with turn green for 2 seconds).
       
   3. An Electric Switch shows a red light next to 'HUB'.
      <Insert image of ESW with red dot on HUB>
3. Check the boiler fires as normal and the correct zone valve has opened or pump has come on.

4. Check that the central heating pipe from the zone valve, pump or boiler gets hot.

5. Wait 10 minutes!

6. Now check the radiator in & out pipes and that each radiator is cold not hot! (Except for the overridden zone).

   Info
   This confirms all the valves are properly seated on the radiators, and they can turn the radiators off.

7. Mark this on the commissioning form (for commercial installations only).

<Insert 'Plumbing Test' in here> Commercial installation manual only

The Communication Test Test (Domestic Systems Only) - Testing that the valves can communicate with the Hub 

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