Zeta Rev HP XT. High efficiency air source reversible heat pumps heating kw. blueboxcooling.com. KINDERGARTEN Sofia - Bulgaria

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1 Zeta Rev HP XT KINDERGARTEN Sofia - Bulgaria High efficiency air source reversible heat pumps heating kw blueboxcooling.com

2 General High efficiency air source reversible heat pumps. Options LN: low noise DS: partial heat recovery Domestic hot water management Flowzer - Variable flow pump management Blueye - Remote supervision Integrated hydraulic modules

3 RANGE&EFFICIENCY 2 compressors, 1 circuit 4 compressors, 2 circuits EER up to 3,0 COP up to 3, kw Cooling net capacity: air 35 C; water 12/7 C Heating net capacity: air 7 C DB; water 40/45 C Compliant to Regulation 813/2013-SCOP (whereas applicable). OPERATINGLIMITS 65 C water temperature -10 C ambient temperature 55 C water temperature -20 C ambient temperature Outlet water temperature [ C] External air temperature [ C] EXTREME Heat Pump HIGH EFFICIENCY Heat Pump STANDARD Heat Pump

4 DOMESTIC HOT WATER The unit can also supply domestic hot water (option) by 3-way valve Zeta Rev HP XT allows to cover the whole thermal load requirement of the system, ensuring the space heating/cooling and also the request of domestic hot water. Satisfying these needs by means of a single unit offers a simpler, cost-efficient solution. VAPOUR Injection technology allows heat pumps to withstand more extreme conditions than with conventional units. Lower air temperatures are reached, enhancing the use of heat pumps in cold climates. Hotter water can be obtained: reliable, flexible adoption in comfort systems with high temperature distribution besides the supply of tap water. ZETA REV HP XT with VAPOUR INJECTION stretches further the combination of low air / high water temperatures, compared to simpler liquid injection. Vapour injection improves energy efficiency too: at extreme conditions it grants the best COP, for real savings. Two scroll compressors per circuit. They are fitted to the vapour injection circuit via dedicated ports. The injection circuit includes the economizer and the electronic expansion valve, all managed by advanced control algorithms. INJECTION SMART ANTI-ICE CIRCUIT The defrost cycle can be a critical condition: ZETA REV HP XT features the Smart Anti-Ice Circuit, to avoid ice forming on the bottom part of exchanger: the function is efficiently activated according to air temperature - only when necessary. EC AXIAL FANS EC axial fans with electronically commutated brushless motor as option. 15% energy saving per fan * /y saving (*unit with 8 fans; operating 8700 hours/year; 0,10 /kwh)

5 c o n t r o l p l a t f o r m Integrated web server main features Set point operating set point Alarms alarm history USB, RS485 and Ethernet ports as standard Recording of unit parameters one month long Unit visual status of unit (circuits, compressors..) Input/Output status of inputs / outputs (digital and analogic) MULTILOGIC FUNCTION Management of multiple units of a system / hydraulic loop. Specific operational logics to satisfy different installation requirements Maximized energy efficiency Feature fully embedded in the control resources and factory-preset Fast commissioning. Simple LAN connection between units. No external devices required. Graphs real time diagrams of main variables (temperatures, pressure..) BLUEYE Remote supervision via web by Blue Box. It offers, for one or more units / systems: operation status monitoring access to unit s settings and parameters data recording via cloud, with options about data displaying, graphs, etc. differentiated access profiles and privileges to ensure a safe and efficient interaction also the status of system s additional components can be monitored, e.g. pumps, energy meters, valves FLOWZER HYDRAULIC MANAGEMENT OPTIONS BASED ON INVERTER-DRIVEN PUMPS The new family of scalable options associated to the wide range of built-in pump modules. For each application layout, FLOWZER offers the best-fitting solution about the water distribution to the system: - Pumping energy saving; minimized operational cost - No external devices required. Flowzer VP Operation at fixed speed setpoint Flowzer VD Management of constant P Flowzer VPS Management of constant T on Primary/Secondary pump circuit Flowzer VFPP Management of constant T on primary pump circuit Simplified system s circuit, as additional external pumps of secondary circuit are not required. up to -80% pumping energy consumption* EXCHANGER Δp e T V bp Δp p *Based on 4000 hours of operation in cooling mode (0,15 /kwh). With Zeta Rev HP XT, additional saving achieved for year-round operation in heating.

6 Blue Box applied product range find out the complete product range on our web site and catalogues Epsilon Echos series > 6 44 kw High efficiency air cooled chillers and heat pumps. EC Zeta Rev > kw Beta Rev > kw High efficiency air cooled chillers and heat pumps. EC & AC Tetris 2 series > kw High efficiency air cooled modular chillers and heat pumps. Kappa Rev series > kw High efficiency air cooled modular chillers and heat pumps. Tetris W Rev series > kw High efficiency water cooled chillers and heat pumps. Omega Rev series > kw Water-cooled chillers and heat pumps. Omicron Rev S4 > kw Multi-functional units for 4-pipe systems Blue Box Group S.r.l. Via Valletta, Cantarana di Cona, (VE) Italy - info@bluebox.it Phone Fax