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 Solar OEM Boiler & Burner Equipment

Seite 2 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Delta-T functions with… RVS - Solar Functions DHW Buffer storage tank Swimming pool

Seite 3 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Delta-T function Q5 on: Temp B6 > Temp B31/B41 + SdOn Q5 off: Temp B6 < Temp B31/B41 + SdOff RVS - Solar Functions

Seite 4 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Minimum charging temperature collector Q5 off: TKol < TKolMin. Q5 on: TKol > TKolMin + (SdOn – SdOff) RVS - Solar Functions

Seite 5 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Frost protection collector Q5 on: TKol < TKolFrost. Q5 off: TKol > TKolFrost + 1K RVS - Solar Functions

Seite 6 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Charging temperature maximum tank Q5 off: TSp > TSpMax. Q5 on: TSp < TSpMax - 1K RVS - Solar Functions

Seite 7 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Overtemperature protection collector Q5 on: TKol > TKolUe and TSp < TSpSMax. Q5 off: TKol TSpSi RVS - Solar Functions

Seite 8 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Q5 on: TSp > TRKw + 2K and TSp > TKol + SdEin Q5 off: TKol > TSp – 2K or TSp < TRKw +1K Tank recooling function with collector pump RVS - Solar Functions

Seite 9 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Q5 off: TKol > TVerd Q5 on: TKol < TVerd – SdVerd Solar pump protection - flow medium evaporation RVS - Solar Functions

Seite 10 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Temperature scale solar functions TSPSi DHW/buffer storage tank maximum temperature (90 °C) Charging temperature maximum (80 °C) Frost protection collector (e.g. 0 °C) TSpMax TKolFrost TKolMin Minimum charging temperature (e.g. 20 °C) TKolUe Collector overtemperature protection (e.g. 100 °C) TVerd Flow medium evaporator protection (e.g. 130 °C) RVS - Solar Functions Recooling temperature (60 °C) TRKw

Seite 11 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Minimum pump Q5 running time Hours run counter Counter for running time of pump Q5 resettable RVS - Solar Functions

Seite 12 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 Pump kick function Solar start functions To prevent damage to pump Q5, the pump is activated for 30 s every Friday morning at 10:00 This functions is required if sensor B6 is improperly located Between 07:00 and 21:00, pump Q5 is activated every x minutes (adjustable) for a minimum period of time. If there is sufficient solar energy, pump Q5 keeps running. RVS - Solar Functions

Seite 13 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 RVS - Solar Functions 2 exchanger 3 exchanger

Seite 14 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 RVS - Solar Functions Applications with 2 collector fields

Seite 15 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 RVS - Solar Functions Priority Sequence ABCD 1Swimming pool DHWBuffer st. tank 2DHWBuffer st. tank DHW 3Buffer st. tankDHWSwimming pool Charging priority tank No priority -> buffer and DHW tank are charged alternately on 5°C steps Absolute priority -> buffer, DHW tank and swimming pool are charged to nominal setpoint following the programmed sequence Relative priority -> waiting time and charging time for relative priority must be set. Parallel or alternative mode Schematics with pumps Priority DHW/Buffer storage tank, Priority swimming pool

Seite 16 Nov 2006 Confidential / Copyright © Siemens Schweiz AG 2006 Building Technologies / HVAC Products3134 RVS - Solar Functions Solar sensor for yield measurement Auxiliary functions External heat exchanger for solar The switch on of pump K9 is delayed Modulating solar pump via 0…10V output