{"product_id":"thermopompe-3-zones-senville-r454b-48000-btu","title":"SENVILLE R454B 3-Zone Heat Pump | 48000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA high-capacity multi-zone solution for three distinct areas of a home or business\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE R454B 48,000 BTU 3-zone heat pump\u003c\/strong\u003e, built around the \u003cstrong\u003eSENA-48HF-MOA\u003c\/strong\u003e outdoor unit, is intended for properties where a single wall-mounted unit cannot properly distribute heating and cooling. It can serve several independent areas from a single outdoor unit while giving each zone its own controls and indoor unit.\u003c\/p\u003e\n\u003cp\u003eThis is a particularly relevant configuration for \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore and the South Shore\u003c\/strong\u003e, where we regularly encounter multi-story homes, duplexes, additions, open spaces combined with enclosed bedrooms, and small commercial buildings for which adding a central ducted system would be difficult or costly.\u003c\/p\u003e\n\u003cp\u003eThe system's mechanical foundation is the \u003cstrong\u003eSENA-48HF-MOA\u003c\/strong\u003e, a multi-zone ductless heat pump capable of supporting \u003cstrong\u003e2 to 6 zones\u003c\/strong\u003e, depending on the configuration. The attached brochure commercially presents a two-zone package of 24,000 + 24,000 BTU, but the outdoor unit's technical specifications confirm that the SENA-48HF-MOA platform can serve between two and six indoor units. A \u003cstrong\u003ethree-zone\u003c\/strong\u003e configuration is therefore one of this platform's possibilities. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor this AirGreen configuration, the main specifications are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: SENA-48HF-MOA\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAdvertised cooling capacity: 48,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI: 215735320\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR reference: 3630067\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2: 23.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 12.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2: 11.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-454B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCold-climate certification: yes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating down to -30 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi included\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 208\/230 V\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 37 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOP: 40 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum outdoor airflow: approximately 4,503 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor sound level: 65 dB\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor dimensions: 37.48 × 16.34 × 52.48 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSpecified piping: 3\/8 in – 5\/8 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAutomatic vertical and horizontal louvers\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAdditional warranty available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProvincial rebate indicated: $5,400\u003c\/strong\u003e, subject to the criteria applicable to the project.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eA true multi-zone platform, not three independent heat pumps\u003c\/h3\u003e\n\u003cp\u003eThe principle is simple to understand, but it completely changes how the project is sized.\u003c\/p\u003e\n\u003cp\u003eWith three independent heat pumps, each indoor unit has its own outdoor compressor. With a \u003cstrong\u003e3-zone heat pump\u003c\/strong\u003e, the three indoor units are connected to a \u003cstrong\u003esingle outdoor compressor\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis can represent a significant advantage when you want to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003elimit the number of units visible outside;\u003c\/li\u003e\n\u003cli\u003eheat three floors;\u003c\/li\u003e\n\u003cli\u003eserve a ground floor, a basement, and an upper floor;\u003c\/li\u003e\n\u003cli\u003edistribute cooling between an open space and two enclosed areas;\u003c\/li\u003e\n\u003cli\u003ereduce the mechanical footprint around the property;\u003c\/li\u003e\n\u003cli\u003emaintain individual temperature control in each zone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe downside of this architecture is that the three indoor units \u003cstrong\u003eshare the available capacity\u003c\/strong\u003e of the SENA-48HF-MOA.\u003c\/p\u003e\n\u003cp\u003eSizing must therefore be done as a whole.\u003c\/p\u003e\n\u003ch3\u003eThe actual capacity of the SENA-48HF-MOA far exceeds a simple “48,000 BTU” designation\u003c\/h3\u003e\n\u003cp\u003eThe Senville technical sheet associated with the outdoor unit indicates a cooling capacity of \u003cstrong\u003e47,000 BTU\/h\u003c\/strong\u003e, with a modulating range of \u003cstrong\u003e12,000 to 57,000 BTU\/h\u003c\/strong\u003e. In heating mode, it indicates \u003cstrong\u003e49,000 BTU\/h\u003c\/strong\u003e, with a range that can vary between \u003cstrong\u003e13,000 and 57,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese data show why inverter technology is essential in a multi-zone system.\u003c\/p\u003e\n\u003cp\u003eThe system does not have to operate constantly at maximum capacity. When all three zones require little energy, the compressor can reduce its output. When several zones simultaneously require heating or cooling, it can increase its capacity within the limits of its operating range.\u003c\/p\u003e\n\u003cp\u003eFor comfort, this notably helps to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ereduce significant temperature fluctuations;\u003c\/li\u003e\n\u003cli\u003elimit unnecessary starts and stops;\u003c\/li\u003e\n\u003cli\u003eadapt output to the building’s actual load;\u003c\/li\u003e\n\u003cli\u003ebetter distribute energy when all zones are not operating at the same intensity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThree zones do not necessarily mean three identical units\u003c\/h3\u003e\n\u003cp\u003eThis is one of the mistakes we want to avoid at \u003cstrong\u003eAirGreen\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhen a homeowner wants a \u003cstrong\u003e48,000 BTU three-zone heat pump\u003c\/strong\u003e, it may be tempting to simply divide 48,000 by three and conclude that approximately three 16,000 BTU indoor units are needed.\u003c\/p\u003e\n\u003cp\u003eThis reasoning is too simplistic.\u003c\/p\u003e\n\u003cp\u003eLet’s consider a very common scenario on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe ground floor includes an open kitchen, dining room, and living room;\u003c\/li\u003e\n\u003cli\u003ethe upper floor contains several bedrooms;\u003c\/li\u003e\n\u003cli\u003ethe basement is cooler, less exposed to sunlight, and partially underground.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe three zones do not have the same needs.\u003c\/p\u003e\n\u003cp\u003eThe ground floor may have a significant cooling load because of the windows and kitchen. The upper floor may be the hottest area in summer because of the attic. The basement may require much less cooling but more heating during certain periods.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we therefore analyze \u003cstrong\u003ethe load of each zone individually\u003c\/strong\u003e before selecting the compatible indoor units.\u003c\/p\u003e\n\u003ch3\u003eThe brochure illustrates a two-zone system, but the outdoor unit supports more\u003c\/h3\u003e\n\u003cp\u003eAn important detail in the accompanying documentation needs to be clarified.\u003c\/p\u003e\n\u003cp\u003eThe commercial page shown in the brochure presents a \u003cstrong\u003eSENA\/48HF\/D\u003c\/strong\u003e configuration with two indoor units of \u003cstrong\u003e24,000 BTU each\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis does not mean that the SENA-48HF-MOA is limited to two zones.\u003c\/p\u003e\n\u003cp\u003eIn the specifications table, the manufacturer explicitly indicates \u003cstrong\u003e2 to 6 zones\u003c\/strong\u003e for this outdoor unit. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor an AirGreen page dedicated to the \u003cstrong\u003ethree-zone configuration\u003c\/strong\u003e, the key point is therefore the outdoor platform and the final match selected with the appropriate indoor units.\u003c\/p\u003e\n\u003cp\u003eWe always validate the exact match before installation, particularly when the project must correspond to an AHRI number or meet the conditions of a rebate program.\u003c\/p\u003e\n\u003ch3\u003e23 SEER2: high seasonal cooling efficiency\u003c\/h3\u003e\n\u003cp\u003eThe system has a \u003cstrong\u003e23 SEER2\u003c\/strong\u003e rating. Senville's documentation also confirms an \u003cstrong\u003eEER2 of 12\u003c\/strong\u003e, an \u003cstrong\u003eHSPF2 Region 4 of 11\u003c\/strong\u003e, and an \u003cstrong\u003eHSPF2 Region 5 of 9\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a multi-zone heat pump of this capacity, these values are interesting, particularly when the system replaces several aging air conditioners.\u003c\/p\u003e\n\u003cp\u003eHowever, a high rating on paper does not automatically guarantee low consumption.\u003c\/p\u003e\n\u003cp\u003eActual results also depend on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe requested temperature in each zone;\u003c\/li\u003e\n\u003cli\u003ethe length and quality of the refrigerant lines;\u003c\/li\u003e\n\u003cli\u003ethe frequency of use of the three indoor units;\u003c\/li\u003e\n\u003cli\u003ethe building's insulation;\u003c\/li\u003e\n\u003cli\u003ethe location of the wall-mounted indoor units;\u003c\/li\u003e\n\u003cli\u003ethe cleanliness of the filters and coils;\u003c\/li\u003e\n\u003cli\u003ethe damper settings;\u003c\/li\u003e\n\u003cli\u003ethe distribution of capacity among the zones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThat is why a properly planned \u003cstrong\u003eHVAC installation\u003c\/strong\u003e remains just as important as the SEER2 rating.\u003c\/p\u003e\n\u003ch3\u003eThe HSPF2 of 11.0 is of particular interest to homeowners who rely heavily on electricity for heating.\u003c\/h3\u003e\n\u003cp\u003eFor Quebec, winter performance deserves as much attention as SEER2.\u003c\/p\u003e\n\u003cp\u003eAn \u003cstrong\u003eHSPF2 of 11\u003c\/strong\u003e indicates a good level of seasonal efficiency under the corresponding test conditions. The Senville specifications also associate a nominal COP of \u003cstrong\u003e3.7 W\/W\u003c\/strong\u003e with the system. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis data does not mean that the COP will remain at 3.7 at -20 °C or -30 °C.\u003c\/p\u003e\n\u003cp\u003eThe performance of a heat pump generally decreases as the outdoor temperature drops. This behavior is normal and must be factored into the heating system design.\u003c\/p\u003e\n\u003ch3\u003e45,000 BTU at -8 °C and 47,000 BTU at -15 °C\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen data provided for this configuration indicate:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAt -8 °C:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ecapacity: \u003cstrong\u003e45,000 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCOP: \u003cstrong\u003e2,6\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAt -15 °C:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ecapacity: \u003cstrong\u003e47,000 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese figures are particularly interesting for a \u003cstrong\u003emulti-zone heat pump in Montreal\u003c\/strong\u003e, as they concern temperatures that we regularly experience during the winter.\u003c\/p\u003e\n\u003cp\u003eUnder these conditions, the system retains a high capacity, helping cover a significant portion of the heating needs of a properly sized property.\u003c\/p\u003e\n\u003cp\u003eHowever, this capacity must always be compared with the building’s \u003cstrong\u003eactual heat losses\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA home with heat losses of 55,000 BTU\/h at -15 °C is not equivalent to a home that loses 35,000.\u003c\/p\u003e\n\u003ch3\u003eAt -30 °C, the system continues to provide heat, but at reduced capacity\u003c\/h3\u003e\n\u003cp\u003eThe SENA-48HF-MOA is designed to operate in heating mode down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e, and Senville documentation confirms a minimum outdoor temperature of \u003cstrong\u003e-22 °F \/ -30 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAirGreen data indicate at this temperature:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ecapacity of approximately 24,600 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP of approximately 1.27\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is an important example of the difference between \u003cstrong\u003eminimum operating temperature\u003c\/strong\u003e and \u003cstrong\u003eavailable capacity\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEven if the unit continues operating at -30 °C, it does not necessarily provide its rated 48,000 BTU.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner in \u003cstrong\u003eLaval, Terrebonne, Blainville, Longueuil, Boucherville, or Montreal\u003c\/strong\u003e, this distinction may determine whether supplemental heating will be required on the coldest days.\u003c\/p\u003e\n\u003ch3\u003eA cold-climate-certified heat pump\u003c\/h3\u003e\n\u003cp\u003eThe configuration is listed as \u003cstrong\u003eCOLD CLIMATE: Yes\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSenville documentation also describes the system as a cold-climate heat pump capable of heating down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis feature is particularly relevant in Quebec.\u003c\/p\u003e\n\u003cp\u003eWe still encounter installations where an older system practically stops contributing to heating as soon as the outdoor temperature drops sharply. With a modern cold-climate heat pump, the goal is to extend the period during which the compressor genuinely contributes to heating the home.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR and the system’s exact reference\u003c\/h3\u003e\n\u003cp\u003eThe system is listed as \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e, with reference \u003cstrong\u003e3630067\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSenville documentation also confirms this platform’s ENERGY STAR certification. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a project with financial assistance, this detail must be verified at the same time as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe AHRI number;\u003c\/li\u003e\n\u003cli\u003ethe exact combination of indoor units;\u003c\/li\u003e\n\u003cli\u003ethe installation address;\u003c\/li\u003e\n\u003cli\u003ethe program criteria;\u003c\/li\u003e\n\u003cli\u003ethe installation date;\u003c\/li\u003e\n\u003cli\u003ethe required documents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAt AirGreen, we do not consider a rebate automatically guaranteed simply because an outdoor unit carries a certification.\u003c\/p\u003e\n\u003ch3\u003eA listed provincial rebate of $5,400\u003c\/h3\u003e\n\u003cp\u003eFor this AirGreen configuration, the \u003cstrong\u003elisted provincial rebate is $5,400\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eOn a three-zone system, this amount can significantly change the project's net cost.\u003c\/p\u003e\n\u003cp\u003eHowever, eligibility must be confirmed before finalizing the purchase decision. Programs may depend on the exact combination of equipment and several other technical or administrative criteria.\u003c\/p\u003e\n\u003cp\u003eThis is particularly important with multi-zone systems, where two installations using the same outdoor unit may not necessarily have the same indoor-unit pairing or the same certification.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi included: each zone becomes easier to manage\u003c\/h3\u003e\n\u003cp\u003eThe SENA-48HF is equipped for \u003cstrong\u003eWi-Fi control\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSenville documentation indicates that the system can be controlled remotely through an app to change settings and create schedules. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWith a three-zone installation, this feature becomes even more useful.\u003c\/p\u003e\n\u003cp\u003eA homeowner might, for example:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003elower the basement temperature when no one is using it;\u003c\/li\u003e\n\u003cli\u003ekeep the bedrooms cooler at night;\u003c\/li\u003e\n\u003cli\u003eadjust the main living area before returning home;\u003c\/li\u003e\n\u003cli\u003echange the setpoints without going to each unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis flexibility makes it possible to truly take advantage of zoning.\u003c\/p\u003e\n\u003ch3\u003eAn important limitation of multi-zone systems: the modes must remain compatible\u003c\/h3\u003e\n\u003cp\u003eThe indoor units connected to the same multi-zone outdoor unit do not operate like three completely independent systems.\u003c\/p\u003e\n\u003cp\u003eIn practice, the zones generally need to operate in compatible modes. The system should therefore not be planned with the expectation that one unit will heat a room substantially while another simultaneously provides cooling.\u003c\/p\u003e\n\u003cp\u003eIn a typical home, this behavior rarely causes problems.\u003c\/p\u003e\n\u003cp\u003eBut it can become important in certain properties:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003elarge south-facing windows;\u003c\/li\u003e\n\u003cli\u003ea very hot solarium;\u003c\/li\u003e\n\u003cli\u003ea server room;\u003c\/li\u003e\n\u003cli\u003ea commercial space with high internal loads;\u003c\/li\u003e\n\u003cli\u003ea cold basement while one floor receives a lot of sunlight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe check this type of situation before recommending a multi-zone configuration.\u003c\/p\u003e\n\u003ch2\u003eAirGreen installation: the success of a 3-zone heat pump depends primarily on properly sizing and routing the three branches\u003c\/h2\u003e\n\u003ch3\u003eThree indoor units mean three refrigerant line sets that must be planned correctly\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet indicates \u003cstrong\u003e3\/8 in – 5\/8 in\u003c\/strong\u003e piping for this platform.\u003c\/p\u003e\n\u003cp\u003eOn a three-zone system, pipe design becomes more complex than with a single-zone heat pump.\u003c\/p\u003e\n\u003cp\u003eEach indoor unit requires its own line set.\u003c\/p\u003e\n\u003cp\u003eWe must plan for:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ethe piping route;\u003c\/li\u003e\n\u003cli\u003ethe location of the penetrations;\u003c\/li\u003e\n\u003cli\u003ethe lengths;\u003c\/li\u003e\n\u003cli\u003ethe height difference;\u003c\/li\u003e\n\u003cli\u003edrainage for each indoor unit;\u003c\/li\u003e\n\u003cli\u003eaccess to the connections;\u003c\/li\u003e\n\u003cli\u003ethe exterior finish;\u003c\/li\u003e\n\u003cli\u003ethe possibility of future servicing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIn a three-story house in \u003cstrong\u003eMontreal\u003c\/strong\u003e, the branch serving the top floor may require a much longer route than the one serving the ground floor.\u003c\/p\u003e\n\u003cp\u003eIt is preferable to settle these details before the project rather than improvise on the day of installation.\u003c\/p\u003e\n\u003ch3\u003eThe system is precharged with R-454B for a significant piping length\u003c\/h3\u003e\n\u003cp\u003eSenville documentation indicates \u003cstrong\u003eR-454B\u003c\/strong\u003e, a stated charge of \u003cstrong\u003e151.68 oz\u003c\/strong\u003e, and a precharge covering up to \u003cstrong\u003e150 feet of piping\u003c\/strong\u003e under the conditions specified by the manufacturer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis precharge capacity is particularly relevant for a multi-zone platform where several branches can quickly add up to a significant total length.\u003c\/p\u003e\n\u003cp\u003eHowever, this does not mean that all 150-foot configurations are automatically acceptable.\u003c\/p\u003e\n\u003cp\u003eThe individual lengths, height, and connection requirements must always comply with the applicable installation manual for the selected combination.\u003c\/p\u003e\n\u003ch3\u003eR-454B requires appropriate installation practices\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eR-454B\u003c\/strong\u003e is the refrigerant used by this generation of SENVILLE systems.\u003c\/p\u003e\n\u003cp\u003eFor AirGreen, this means that commissioning must follow the procedures specific to the equipment and refrigerant used.\u003c\/p\u003e\n\u003cp\u003eA proper refrigeration installation includes, among other things:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eproperly executed connections;\u003c\/li\u003e\n\u003cli\u003ea leak test;\u003c\/li\u003e\n\u003cli\u003ean appropriate vacuum;\u003c\/li\u003e\n\u003cli\u003everification of the lengths;\u003c\/li\u003e\n\u003cli\u003eproper commissioning;\u003c\/li\u003e\n\u003cli\u003eoperating measurements after startup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith a multi-zone system, a problem on one branch may manifest differently from another, making installation accuracy even more important.\u003c\/p\u003e\n\u003ch3\u003e4,503 CFM outdoors: the outdoor unit needs space\u003c\/h3\u003e\n\u003cp\u003eThe SENA-48HF-MOA moves up to approximately \u003cstrong\u003e4,502.8 CFM\u003c\/strong\u003e of air outdoors.\u003c\/p\u003e\n\u003cp\u003eIts stated sound level is \u003cstrong\u003e65 dB\u003c\/strong\u003e, its dimensions are \u003cstrong\u003e37.48 × 16.34 × 52.48 in.\u003c\/strong\u003e, and its outdoor weight is approximately \u003cstrong\u003e246.47 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe are therefore dealing with a substantial outdoor unit.\u003c\/p\u003e\n\u003cp\u003eIts installation requires a sufficiently sturdy base and a location that allows adequate airflow.\u003c\/p\u003e\n\u003cp\u003eWe specifically avoid:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ecorners that are too confined;\u003c\/li\u003e\n\u003cli\u003elocations directly beneath a gutter downspout;\u003c\/li\u003e\n\u003cli\u003eareas where snow accumulates heavily;\u003c\/li\u003e\n\u003cli\u003espaces without service access;\u003c\/li\u003e\n\u003cli\u003elocations too close to a bedroom window;\u003c\/li\u003e\n\u003cli\u003esurfaces where defrost water could create a problem.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e246 lb: the outdoor support must not be improvised\u003c\/h3\u003e\n\u003cp\u003eThe stated weight of nearly \u003cstrong\u003e246.5 lb\u003c\/strong\u003e should be taken seriously. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA unit of this size must be installed on an appropriate structure.\u003c\/p\u003e\n\u003cp\u003eDepending on the property and site conditions, we may favor installation on a bracket or a suitable base, with enough height to limit problems related to snow and defrosting.\u003c\/p\u003e\n\u003cp\u003eA unit placed too close to the ground can become difficult to keep clear during a Quebec winter.\u003c\/p\u003e\n\u003ch3\u003eMCA 37 A and MOP 40 A: the electrical system must be checked before ordering\u003c\/h3\u003e\n\u003cp\u003eThe technical specifications indicate a \u003cstrong\u003e208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e power supply, a voltage range of \u003cstrong\u003e187 to 253 V\u003c\/strong\u003e, an \u003cstrong\u003eMCA of 37 A\u003c\/strong\u003e, and a maximum protection of \u003cstrong\u003e40 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn a home with an electrical panel that is already heavily loaded, we therefore need to check the available capacity.\u003c\/p\u003e\n\u003cp\u003eWe regularly encounter properties in Montreal where several electrical devices have been added over the years: water heater, charging station, stove, dryer, electric heating, spa.\u003c\/p\u003e\n\u003cp\u003eAdding a high-capacity heat pump without considering the overall electrical load would be poor practice.\u003c\/p\u003e\n\u003ch3\u003eThe location of the three indoor heads is critical\u003c\/h3\u003e\n\u003cp\u003eA high-capacity wall-mounted unit installed in the wrong location will not distribute air properly simply because it has a high BTU capacity.\u003c\/p\u003e\n\u003cp\u003eFor each zone, we consider:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe shape of the room;\u003c\/li\u003e\n\u003cli\u003ethe ceiling height;\u003c\/li\u003e\n\u003cli\u003eopenings to other areas;\u003c\/li\u003e\n\u003cli\u003ethe doors;\u003c\/li\u003e\n\u003cli\u003ethe location of the windows;\u003c\/li\u003e\n\u003cli\u003ethe direction of the sun;\u003c\/li\u003e\n\u003cli\u003ethe occupants’ location;\u003c\/li\u003e\n\u003cli\u003ethe possible drain route;\u003c\/li\u003e\n\u003cli\u003eaccess to the piping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn an open area, a well-placed unit can serve several adjacent areas. In an area consisting of several closed bedrooms, a single wall-mounted unit in a corridor may be less effective.\u003c\/p\u003e\n\u003ch3\u003eAutomatic louvers: useful for distributing air, but not for correcting a poor location\u003c\/h3\u003e\n\u003cp\u003eAirGreen data indicates \u003cstrong\u003eautomatic vertical and horizontal louvers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis function helps distribute air throughout the room and reduces the need to manually set a single airflow direction.\u003c\/p\u003e\n\u003cp\u003eBut motorized louvers never replace proper location selection.\u003c\/p\u003e\n\u003cp\u003eA head installed directly in front of a staircase can send a large portion of its air out of the zone. A unit placed too close to a ceiling, cabinet, or obstruction may also lose distribution efficiency.\u003c\/p\u003e\n\u003ch3\u003eThree condensate drains: an often-underestimated part of the project\u003c\/h3\u003e\n\u003cp\u003eA three-zone configuration also means \u003cstrong\u003ethree indoor units producing condensation in cooling mode\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEach drain must be properly designed.\u003c\/p\u003e\n\u003cp\u003eWhen we can use gravity, we generally favor a steady slope toward the outside.\u003c\/p\u003e\n\u003cp\u003eWhen this is not possible, a condensate pump may become necessary.\u003c\/p\u003e\n\u003cp\u003ePoor drainage can cause:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eleaks;\u003c\/li\u003e\n\u003cli\u003emarks on the walls;\u003c\/li\u003e\n\u003cli\u003epump noises;\u003c\/li\u003e\n\u003cli\u003eodor problems;\u003c\/li\u003e\n\u003cli\u003esafety shutdowns;\u003c\/li\u003e\n\u003cli\u003eavoidable service calls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a multi-zone project, drain quality deserves as much attention as refrigerant lines.\u003c\/p\u003e\n\u003ch3\u003eDiagnostics and leak detection\u003c\/h3\u003e\n\u003cp\u003eSenville indicates the presence of an \u003cstrong\u003eautomatic diagnostic and leak detection system\u003c\/strong\u003e, designed to report certain issues and facilitate maintenance. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt is a useful feature, particularly on a system with multiple zones.\u003c\/p\u003e\n\u003cp\u003eHowever, it does not replace a technical inspection.\u003c\/p\u003e\n\u003cp\u003eA code or alert helps guide the diagnosis, but pressures, temperatures, electrical signals, and actual installation conditions must still be measured when the system shows an issue.\u003c\/p\u003e\n\u003ch3\u003eWarranty: what we verify before presenting it to the customer\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet indicates a \u003cstrong\u003e10-10-0 manufacturer’s warranty\u003c\/strong\u003e, with the option of adding an additional warranty.\u003c\/p\u003e\n\u003cp\u003eThe attached Senville documentation states \u003cstrong\u003e10 years on the compressor and 5 years on parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt also specifies that professional installation is required to preserve the coverage and expected performance. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAs this information must correspond to the product sold and the applicable registration conditions, we recommend always confirming the exact coverage when preparing the quote.\u003c\/p\u003e\n\u003ch3\u003eMaintaining a three-zone heat pump: three indoor units, three filters to monitor\u003c\/h3\u003e\n\u003cp\u003eA multi-zone system does not require complicated maintenance, but you should avoid treating the three heads as if they were a single indoor unit.\u003c\/p\u003e\n\u003cp\u003eEach zone has:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eits filters;\u003c\/li\u003e\n\u003cli\u003eits coil;\u003c\/li\u003e\n\u003cli\u003eits fan;\u003c\/li\u003e\n\u003cli\u003eits drain;\u003c\/li\u003e\n\u003cli\u003eits control;\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf the ground-floor unit operates much more than the other two, it may require more frequent cleaning.\u003c\/p\u003e\n\u003cp\u003eWe particularly recommend:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eclean the filters regularly;\u003c\/li\u003e\n\u003cli\u003echeck the condition of the fans;\u003c\/li\u003e\n\u003cli\u003ekeep the air intakes clear;\u003c\/li\u003e\n\u003cli\u003emonitor the drains;\u003c\/li\u003e\n\u003cli\u003eclean the heat exchangers when necessary;\u003c\/li\u003e\n\u003cli\u003ekeep the outdoor unit clear;\u003c\/li\u003e\n\u003cli\u003eremove accumulations of leaves or snow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho is this three-zone, 48,000 BTU Senville system particularly suitable for?\u003c\/h3\u003e\n\u003cp\u003eThis configuration may be interesting for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea three-level house;\u003c\/li\u003e\n\u003cli\u003ea duplex requiring multiple comfort zones;\u003c\/li\u003e\n\u003cli\u003ea property with an addition;\u003c\/li\u003e\n\u003cli\u003ean open main floor accompanied by two distinct zones;\u003c\/li\u003e\n\u003cli\u003ea small business with three separate spaces;\u003c\/li\u003e\n\u003cli\u003ea home without a duct network;\u003c\/li\u003e\n\u003cli\u003ea project where the number of outdoor units should be limited.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt offers several strong features for the Quebec climate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e23 SEER2\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e11 HSPF2\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eoperation down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e45,000 BTU at -8 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e47,000 BTU at -15 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eWi-Fi included\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR\u003c\/strong\u003e certification\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ecold-climate\u003c\/strong\u003e status\n\u003c\/li\u003e\n\u003cli\u003eindicated possibility of a rebate \u003cstrong\u003e5 400 $\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen three simple systems may sometimes be preferable\u003c\/h3\u003e\n\u003cp\u003eA single outdoor unit is not always the best solution.\u003c\/p\u003e\n\u003cp\u003eWe might prefer several independent systems if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe three zones have very different schedules;\u003c\/li\u003e\n\u003cli\u003eheating needs are highly unbalanced;\u003c\/li\u003e\n\u003cli\u003ethe zones are often likely to require opposite modes;\u003c\/li\u003e\n\u003cli\u003ethe refrigerant-line routes become too complex;\u003c\/li\u003e\n\u003cli\u003eheating redundancy is a priority;\u003c\/li\u003e\n\u003cli\u003ethe outdoor space can easily accommodate several condensers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA multi-zone system should be chosen because it suits the building, not simply because it reduces the number of outdoor units.\u003c\/p\u003e\n\u003ch3\u003eWhy AirGreen places so much importance on sizing\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Climatisation \u0026amp; Chauffage\u003c\/strong\u003e, we often see the difference between a properly selected heat pump and an installation chosen solely based on the number of BTUs.\u003c\/p\u003e\n\u003cp\u003eFor a \u003cstrong\u003e48,000 BTU SENVILLE R454B 3-zone system\u003c\/strong\u003e, we check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe capacity required for each of the three zones;\u003c\/li\u003e\n\u003cli\u003eheat losses;\u003c\/li\u003e\n\u003cli\u003esolar gains;\u003c\/li\u003e\n\u003cli\u003eindoor-unit locations;\u003c\/li\u003e\n\u003cli\u003eair circulation;\u003c\/li\u003e\n\u003cli\u003eline routing;\u003c\/li\u003e\n\u003cli\u003edrains;\u003c\/li\u003e\n\u003cli\u003eelectrical supply;\u003c\/li\u003e\n\u003cli\u003eoutdoor unit support;\u003c\/li\u003e\n\u003cli\u003esnow management;\u003c\/li\u003e\n\u003cli\u003eeligibility conditions for rebates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis approach makes it possible to take advantage of the system’s features without creating an oversized, poorly balanced, or difficult-to-maintain installation.\u003c\/p\u003e\n\u003ch3\u003eRequest an AirGreen quote for your 48,000 BTU SENVILLE 3-Zone system\u003c\/h3\u003e\n\u003cp\u003eAre you considering a \u003cstrong\u003e48,000 BTU SENVILLE R454B 3-zone heat pump\u003c\/strong\u003e for your home, duplex, or business?\u003c\/p\u003e\n\u003cp\u003eContact \u003cstrong\u003eAirGreen\u003c\/strong\u003e for a project assessment. We can analyze the needs of each of the three zones, check the electrical supply, select the appropriate indoor-unit combination, plan the refrigerant-line routes, and confirm the applicable financial incentives.\u003c\/p\u003e\n\u003cp\u003eWe carry out \u003cstrong\u003emulti-zone heat pump installations in Montreal, Laval, Longueuil, the North Shore, the South Shore, and Montérégie\u003c\/strong\u003e, with particular attention to sizing, installation quality, and winter operation.\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56120040063268,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_3_ZONES_SENVILLE_R454B_48000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789057776","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-3-zones-senville-r454b-48000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}