Rheem Guardian Warm Water Owner's Manual And Installation Instructions page 23

COMMISSIONING
COLD WATER FAILURE TEST
Whilst the system is operating under high flow conditions, isolate the cold water to the thermostatic mixing
valves.
The system will automatically shut down.
Record the maximum and stabilised temperature recorded at the test point and at the first outlet in the building.
Reinstate the cold water supply to the mixing valves.
UV DISINFECTION
Energise the UV system. Refer to the UV manual for commissioning details.
RECORDING
Record relevant system details in the Commissioning Log on pg. 23
23