1 / 16

Solar

Solar. OEM Boiler & Burner Equipment. RVS - Solar Functions. Delta-T functions with…. Swimming pool. Buffer storage tank. DHW. RVS - Solar Functions. Delta-T function. Q5 on: Temp B6 > Temp B31/B41 + SdOn. Q5 off: Temp B6 < Temp B31/B41 + SdOff. RVS - Solar Functions.

alena
Download Presentation

Solar

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Solar OEM Boiler & Burner Equipment

  2. RVS - Solar Functions Delta-T functions with… Swimming pool Buffer storage tank DHW

  3. RVS - Solar Functions Delta-T function Q5 on: Temp B6 > Temp B31/B41 + SdOn Q5 off: Temp B6 < Temp B31/B41 + SdOff

  4. RVS - Solar Functions Minimum charging temperature collector Q5 off: TKol < TKolMin. Q5 on: TKol > TKolMin + (SdOn – SdOff)

  5. RVS - Solar Functions Frost protection collector Q5 on: TKol < TKolFrost. Q5 off: TKol > TKolFrost + 1K

  6. RVS - Solar Functions Charging temperature maximum tank Q5 off: TSp > TSpMax. Q5 on: TSp < TSpMax - 1K

  7. RVS - Solar Functions Overtemperature protection collector Q5 on: TKol > TKolUe and TSp < TSpSMax. Q5 off: TKol < TKolUe – SdUe or TSp > TSpSi

  8. RVS - Solar Functions Tank recooling function with collector pump Q5 on: TSp > TRKw + 2K and TSp > TKol + SdEin Q5 off: TKol > TSp – 2K or TSp < TRKw +1K

  9. RVS - Solar Functions Solar pump protection - flow medium evaporation Q5 off: TKol > TVerd Q5 on: TKol < TVerd – SdVerd

  10. RVS - Solar Functions Temperature scale solar functions Flow medium evaporator protection (e.g. 130 °C) TVerd Collector overtemperature protection (e.g. 100 °C) TKolUe DHW/buffer storage tank maximum temperature (90 °C) TSPSi TSpMax Charging temperature maximum (80 °C) TRKw Recooling temperature (60 °C) Minimum charging temperature (e.g. 20 °C) TKolMin TKolFrost Frost protection collector (e.g. 0 °C)

  11. RVS - Solar Functions Minimum pump Q5 running time Hours run counter Counter for running time of pump Q5  resettable

  12. RVS - Solar Functions Pump kick function  To prevent damage to pump Q5, the pump is activated for 30 s every Friday morning at 10:00 Solar start functions  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.

  13. RVS - Solar Functions 3 exchanger 2 exchanger

  14. RVS - Solar Functions Applications with 2 collector fields

  15. RVS - Solar Functions Priority DHW/Buffer storage tank, Priority swimming 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

  16. RVS - Solar Functions Auxiliary functions • Modulating solar pump via 0…10V output • Solar sensor for yield • measurement • External heat exchanger for solar • The switch on of pump K9 is delayed

More Related