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stwheitrcmhainlgs-tonraagnedan-odfof fotfhtehheehaetactaprruiemrpfluairdesraerpeohrtiegdh.liIgnhdteedd. , the trends of the temperature of the thermTahlestomragineaonbdjecotfivtheeohfeathticsarwrioerkfluwidasatrheehingvhelisgthigtaetdio.n of the novel reversible heat pump prodTuhceinmg ahiingho-btejemctpivereatoufrethwisatwerorfkorwhaesattihneg iannvdesctihgiallteiodnwoaftetrhefonr ocvoeollirnegvearshibisletorhiecabt upiludminpg pdruordinugcintghehiwghin-termapnedratsuurme mwearterpefroirodh,earteisnpgecatnivdelcyh. ilTlehdis wgaotaelr wfoars conoelinogf athheismtoarinc bfiueilldsinogf dinuvriensgtigtahteionwoinfttehreaEnudrospuemanmCehrepaper-iGoSdH, PreHsp2e0c2t0ivperlyo.jeTcth.is goal was one of the main fields of Energies 2020, 13, 5654 investigation of the European Cheap-GSHP H2020 project. 9 of 18 Figure 4. Example of day—Heating mode. Figure 4. Example of day—Heating mode. Figure 4. Example of day—Heating mode. Figure 5. Example of day—Cooling mode. Figure 5. Example of day—Cooling mode. Figure 5. Example of day—Cooling mode. The main objective of this work was the investigation of the novel reversible heat pump producing 4. Results and Discussion high-temperature water for heating and chilled water for cooling a historic building during the winter 4. Results and Discussion and summer period, respectively. This goal was one of the main fields of investigation of the European In this section, the data of the monitoring campaign are discussed in detail, evaluating the Cheap-GSHP H2020 project. b e h a I v n i o t r h i o s f s t h e c e t i s o y n s , t e t mh e f r d o a m t a t o h f e t t h h e e r m m o a n l i a t n o d r i n e g l e c c t a r mi c a p l a p i g o n i n a t s r e o f d v i s i e c u w s . s T e d h e i n o p d e e r t a a t i i l n , g e v c o a n l u d a i t t i i n o g n s t h f o e r bseohmaevioserloefcttehde sdyasytesmanfrdomthtehentheregrmy afluaxnedseilnevctorlivcaeldpioninthseofsvyisetwem. Thaevoepebreaetningincvoensdtiigtiaotneds.foIrn 4. Results and Discussion heat pump during the day. In Figure 6, the trend of the system’s temperatures and R744 pressures are represented for 18 November 2018. This is a representative day of continuous operation mode in heating. In particular, the chart shows the heat carrier fluid temperatures at the inlet and outlet of the high-temperature heat exchangers and the heat carrier fluid temperatures at the inlet and outlet of the evaporator coupled with the BHE field. The temperatures of the fluids have been measured in the points of the system, as represented in the scheme of the thermal power plant in Figure 2. The switch-on of the heat pump is controlled by the value of the temperature of the fluid in the thermal storage tank (Ttank). The setpoint spoamrteicuselalerc, ttehde hdeaaytsinagnmd otdhe aenndertghye cfoluoxliensg imnvoodleveodf tihne theatsypsutmemp whaevre cboenesnideinrevdes. tSigoamtedd. aIyns particIunltahri,stsheecthioena,titnhgedmaotadoefatnhedmthoenictoorilninggcamopdaeigonfathredhisecautspsuedmipndweetareil,ceovnasliudaetriendg.thSeombehdavaiyosr of the system from the thermal and electrical points of view. The operating conditions for some selected days and the energy fluxes involved in the system have been investigated. In particular, the heating mode and the cooling mode of the heat pump were considered. Some days have been chosen and analyzed considering the days with continuous operation and the days with only a few starts of thePDF Image | Novel Ground-Source Heat Pump with R744
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