1. Empfohlen wird auf dem Titel der Einsatz eines vollflächigen Hintergrundbildes (Format: 25,4 x 19,05 cm): Bild auf Master platzieren (JPG, RGB, 144dpi) Bild in den Hintergrund legen Empfohlen wird auf dem Titel der Einsatz eines vollflächigen Hintergrundbildes (Format: 25,4 x 19,05 cm): Bild auf Master platzieren (JPG, RGB, 144dpi) Bild in den Hintergrund legen Confidential / Copyright © Siemens Schweiz AG 2006 Error, Maintenance & Service Functions OEM Boiler & Burner Equipment

2. Seite 2 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini Operation Info Button Available information Outside temperature maximum DHW temperature 1 State boiler / heat pump State solar State DHW State heating circuit 1 State heating circuit 2 State heating circuit P Time of day / date Telephone customer service Error message Maintenance alarm Special mode Room temperature Room temperature minimum Room temperature maximum Boiler temperature Outside temperature Outside temperature minimum

3. Seite 3 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini Operation Alarm and Maintenance In exceptional cases, the display shows one of the following symbols: Error messages If this symbol appears, a plant fault occurred. Maintenance or special mode If this symbol appears, a maintenance alarm is delivered or the plant has changed to special mode. Text3Text4 30:Vorlauffühler 1 0 4812162024 AUTO Fehler Text3Text4 0 4812162024 AUTO Text3Text4 0 4812162024 AUTO i  i 

4. Seite 4 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini RVS – Service Functions Errors Error history The basic unit saves the last 10 errors in a memory. For each error entry, error code and time of occurrence will be saved.

5. Seite 5 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini Operation Special Mode (HMI Burner Controls only) Manual control Info: If you press this button, there will be no timeout Function: Boiler / pumps are ON, valves are deenergized (TR is still active) Chimney sweep function Info: If you press this button, there will be a timeout after 1 hour Function: To test the boiler If special mode is active, the display shows a spanner

6. Seite 6 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini RVS – Service Functions Manual Control When manual control is activated, the relay outputs are set according to the table below. The burner relay can be deenergized by the electronic temperature controller (TR).

7. Seite 7 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini RVS – Service Functions Simulation of Outside Temperature To facilitate commissioning and fault tracing, outside temperatures in the range from –50 to +50 °C can be simulated. During the simulation, the actual, the composite and the attenuated outside temperature will be overridden by the set simulated temperature. The function is deactivated by setting -.- on this operating line, or automatically after a timeout of 5 hours.

8. Seite 8 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini RVS – Service Functions Input / Output Test The input / output test is made to check the correct functioning of the connected components. When selecting a setting from the relay test, the relevant relay is energized, thus putting the connected component into operation. Important: During the relay test, limitation by the electronic control thermostat (TR) remains activated. Other limitations are deactivated.

9. Seite 9 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini Principle of Operating State Messages Current operating state display is continuously generated for every plant section. Example:

10. Seite 10 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini RVS – Service Functions State Messages The controller offers 2 different levels of status information, depending on the user level. Enduser Simple status information Commissioning Heating engineer Detailed status information Commissioning diagnostics Information about plant status i 

11. Seite 11 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini Status heating circuit RVS – Service Functions Status Messages

12. Seite 12 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini Status boiler RVS – Service Functions Status Messages

13. Seite 13 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini RVS – Service Functions Diagnostics Operating pages “Diagnostic heat source” and “Diagnostic consumer” offer a host of information about the plant.

14. Seite 14 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini RVS – Service Functions Input H1/2 Input H1/2 can be used as follows: Operating mode changeover: Heating circuits and DHW off Operating mode changeover: Heating circuits only Operating mode changeover: Heating circuit 1 Operating mode changeover: Heating circuit 2 Operating mode changeover: Heating circuit P Locking the heat source Error / alarm input Demand for minimum flow temperature Heat demand DC 0...10 V Pressure measurement DC 0...10 V Operating action of input H1/2 can be selected: NC (normally closed) or NO (normally open)

15. Seite 15 July 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC ProductsMarco Serafini Input E1 The counting values (hours run and number of startups) for the first burner stage are recorded based on the signal received at input E1. Input EX2 The counting values (hours run and number of startups) for the second burner stage are recorded based on the signal received at input EX2. If the function is not activated, the counting values are counted based on the state of relay T1/T2. Other possible functions on EX2: - Counter 2. burnerstage - Heat generator lock - Error-/Alarm - STB Error - Overtemperature protection (RVS43/63 B-series) RVS – Special Functions