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 Heating & Cooling Circuit OEM Boiler & Burner Equipment Nov 2006

2. Seite 2 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Mixing heating circuit

3. Seite 3 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Mixing cooling circuit Y21

4. Seite 4 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Mixing cooling circuit with a heat pump B21 K1/E11 B71 B83 B81E10 P E9 P Q8/E14 B91 Y21 Q2 B9 B1 Q9 RG1 Y1/Y2

5. Seite 5 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Separate circuit for heating and cooling

6. Seite 6 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Partial diagram in the zone controller B1 T Q2 Y1/Y2 Y21 Rh14 HC/CC T B9 RG1 B1 T Q2 HC Rh38 RG1 T B9 T CC Y1/Y2 Q24 B16 Y23/Y24 Extension module

7. Seite 7 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Constant controller Heat pump CH P HC Heat generationDistribution RVS13.123 RVS13.143 RVS53.183 RVS63.243 RVS63.283 RVS61.283 RVS51.183 RVA10.121 Boiler RVS46.530 RVS43.143 System compatible RVS46.543 Zone 1 2 12 M Bi- / Multi- valent System compatible Controller with cooling function

8. Seite 8 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Boiler/Chiller with heat/cool circuit, 2 pipes Y21Y1/Y2 Q2 B9 B1 RG1 K4 B2 Chiller Dehumidifier RVS43.143 AVS75.390 Example Italy

9. Seite 9 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit RESET Operating units Heating Cooling button On: cooling function is activated Off: cooling function is deactivated Heating & Cooling

10. Seite 10 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Automatic Comfort Reduced Protection HMIRU The bar on the display indicates the active operating mode Operating Mode Heating Circuit

11. Seite 11 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Operating Mode Heating Circuit Operating modeHeating levelFunctions Automatic Heating according to time program ECO functions active Holiday function active Comfort Heating mode with no time program ECO functions inactive Holiday function inactive Reduced Heating mode with no time program ECO functions active Holiday function inactive Protection Heating OFF (frost protection active) ECO functions active Holiday function inactive

12. Seite 12 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit TRKRoom temperature - Comfort setpoint TRRRoom temperature - Reduced setpoint TRFRoom temperature - frost protection setpoint Room Temperature Setpoint Heating

13. Seite 13 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Operating Mode Cooling Circuit Cooling button On: cooling function is activated Off: cooling function is deactivated

14. Seite 14 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Operating Mode Cooling Circuit Operating modeCooling levelFunctions Comfort Cooling mode with/ or without time program ECO functions inactive Holiday functions active Protection Heating & Cooling OFF (frost protection active) ECO functions active Holiday / RU functions inactive

15. Seite 15 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit TRK:Room temperature - Comfort setpoint TRF:Room temperature - frost protection setpoint Room Temperature Setpoint Cooling

16. Seite 16 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Knob for comfort set point HMIRU Heating mode  Set point for room temperature heating e.g. 21°C Cooling mode  Set point for room temperature cooling e.g. 24°C

17. Seite 17 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Functionality Lock time after heating (Par. e.g. 48 hr) and/ or Cooling limit at outside temperature Par. e.g. 26°C The cooling function can be activated any time but it works only if there is no heating demand  heating first

18. Seite 18 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Time Switch Program Heating The nominal phases depend on the settings made at the enduser level Each time program can be reset separately

19. Seite 19 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Release: -24h/day (manual operating) -Time program Heating circuit -Time program 3 -Time program 4/ DHW Time Switch Program Cooling

20. Seite 20 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Heating curve – slope Possibility for heating curve adaptation (optimisation function) TVw TAgem

21. Seite 21 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit - Flow temp set point at OT 25°C - Flow temp set point at OT 35°C TAgem Set point 25°C 0°C TVKw Set point 35°C Cooling curve

22. Seite 22 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Flow Temperature Limitation Heating TVwCurrent flow temperature setpoint TVminMinimum limitation of the flow temperature setpoint TVmaxMaximum limitation of the flow temperature setpoint

23. Seite 23 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Flow temperature minimum limitation -Flow temp set min OT at 25°C -Flow temp set min OT at 35°C TAgem TVKw TVK min TVKw Min. limitation Set point 25°C Min. limitation Set point 35°C Flow Temperature Limitation Cooling

24. Seite 24 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Flow temperature minimum limitation Default setting 18°C (condensing protection) - Flow temp set min OT at 25°C = 18°C - Flow temp set min OT at 35°C = 18°C TAgem TVKw TVK min TVKw Min. limitation Set point 25°C Min. limitation Set point 35°C 18°C Flow Temperature Limitation Cooling

25. Seite 25 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Room Functions for Heating and Cooling TRx Actual value of room temperature TRw Room temperature setpoint SDR Room temperature differential P Pump Room temperature limitation Room influence must be active (1-100)

26. Seite 26 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Room Functions only Heating Room model If there is no room sensor connected or room influence is deactivated, the control calculates a virtual room temperature which is used for the following functions: - Boost heating - Quick setback - Optimum start control - Optimum stop control

27. Seite 27 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Room Functions only Heating Room model Calculation depends on:Sth -> gradient room model Tn -> time constant building

28. Seite 28 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Room Functions only Heating Optimum start control The heating‘s switch-on time (change to Comfort temperature) will be selected such that the room temperature will have reached the setpoint minus 0.25 °C by the time occupancy starts.

29. Seite 29 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Room Functions only Heating Optimum stop control The heating’s switch-off time (change to Reduced temperature) will be selected such that at the time occupancy ends, the room temperature will lie 0.25 °C below the nominal setpoint (early shutdown).

30. Seite 30 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit ECO Functions only heating 24-hour heating limit (Tagesheizgrenze) The heating circuit is switched off depending on the actual and the composite outside temperature.

31. Seite 31 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Control humidity in the room for Cooling 1. stage With minimal flow temp set point  Set to 18°C B1 sensor required in the flow TVKw TVK min TVKw Min. limitation Set point 25°C Min. limitation Set point 35°C 18°C

32. Seite 32 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Control humidity in the room for Cooling 2.stage With hygrostat in DI H1 (para 5950)  Increasing flow temp set point (para 947) TVKw TVK min Min. limitation Set point 25°C Min. limitation Set point 35°C 18°C Offset (Par) 24 27

33. Seite 33 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Control humidity in the room for Cooling 2.stage or with dew point monitor  Switched off the cooling function for a set time (para 946) 3.stage 3 (Step 2) With a humidity sensor  Calculating the dew point according the room temperature and the humidity measuring stop

34. Seite 34 Nov 2006 Building Technologies / HVAC ProductsMarkus Herger RVS – Heating & Cooling Circuit Control humidity in the room for Cooling 3.stage 3 (Step 2) With a humidity sensor  Calculating the dew point according the room temperature and the humidity measuring