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AIR HP Riello Air to Water DC-Inverter Heat Pump.

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Presentation on theme: "AIR HP Riello Air to Water DC-Inverter Heat Pump."— Presentation transcript:

1 AIR HP Riello Air to Water DC-Inverter Heat Pump

2 Wide range of powers Reversible Monobloc DC-modulating compressor & fans Advanced remote control Built-in thermal regulation

3 Guidelines 5 powers to adapt to every domestic installation
Reversible heat pump  can produce hot and/or cold water for the house climatization in summer AND in winter Monobloc  provides water to the system, not needed to fill with gas a long trait of pipes Can produce hot water to feed an external DHW tank Comes with an external advanced remote control (NUI) DC-Inverter technology: ensures maximum efficiency whilst abating the noise emissions

4 Guidelines Top-of-the-range functioning outdoor air temperature limits
Can be set to function according to climatic curves Easiness of installation Possibility to control an additional heat source Possibility to control external humidifier / de-humidifier Advanced de-frost and thermal dissipation cycles

5 Two frames for a total of 5 levels of power
Range Two frames for a total of 5 levels of power 4 kW cod ( ) 6kW cod ( ) 8kW cod ( ) 12 kW cod ( ) 15kW cod ( ) REMARK: the shown codes are commercial packages is ALWAYS the multi-language documentation

6 Compact, lightweight and with an extremely small footprint
Dimensions Compact, lightweight and with an extremely small footprint 821 1363 326 908 4 kW … 59kg 6 kW … 61kg 8 kW … 71kg 326 908 12 kW … 105kg 15 kW … 130kg

7 3 + 3 Packaging and shipping
12 kW 15 kW Polystyrene top-cover 3 + Thermo retractile plastic sleeve 4 kW 6 kW 8 kW 3 350 mm 908 mm Individual pallet 1320 mm 960 mm EACH UNIT DELIVERED ON INDIVIDUAL PALLET OVER A COMMON PALLET

8 Technical characteristics
HEATING COOLING EWT-LWT OAT 30-35°C 7/6°C 40-45°C 7/6°C 23-18°C 35°C 12-7°C 35°C Capacity kW COP W/W LWA [dB(A)] EER AIR HP 004 4.10 4,05 3.90 3.2 62 4.90 4.05 3.30 2.91 64 AIR HP 006 5.80 4.20 3.01 7.00 3.61 4.70 AIR HP 008 7.20 3.91 7.40 3.16 7.80 65 AIR HP 012 11.90 12.95 67 13.45 10.20 68 AIR HP 015 14.50 4.06 14.0 3.21 16.00 3.81 13.00 69

9 Operative temperature limits
6kW 8kW 12kW15kW 4kW COOLING HEATING

10 Outdoor temperature (°C) Delivery Temperature (°C)
Operative temperature limits – A COMPARISON 15 25 35 45 55 65 75 85 -30 -25 -20 -15 -10 -5 5 10 20 30 40 50 Outdoor temperature (°C) Delivery Temperature (°C) Floor Ventil Radiators ACS AIR HP COMP.

11 Outdoor temperature (°C) Delivery temperature (°C)
Operative temperature limits – A COMPARISON 15 25 35 45 55 65 75 85 -30 -25 -20 -15 -10 -5 5 10 20 30 40 50 Outdoor temperature (°C) Delivery temperature (°C) floor. Ventil Radiators ACS AIR HP COMP.

12 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Technology overview – main components Refrigerant Circuit Component 4-way valve 9 TR sensor 1 TS sensor 10 Liquid tank 2 Check joint 11 Pulse Motor Valve 3 Accumulator 12 Feeder 4 Muffler 13 TE sensor 5 TD sensor 13* TL sensor (only 015) 6 DC twin rotary compressor 14 Propeller fan 7 BPHE 15 TO sensor 8 16 Heat exchanger FROM/TO THE OUTDOOR UNIT THERE IS WATER, NOT GAS.

13 Twin Rotary Compressor with
Technology overview – main components R-410A Expansion vessel GMC controller Water pump Brazed Plate Heat Exchanger DC Inverter Brushless DC fan motor Twin Rotary Compressor with Brushless DC motor Pulse Modulate valve Sensors monitoring

14 Technology overview – Compressor
Toshiba DC-inverter compressors, Twin-rotary for the larger sizes (all but size 4kW), for improved reliability, smooth and vibrations-free operation, from 20 up to 120% of their nominal capacity. AIR HP DC inverter uses IPDU hybrid inverter technology, combining PAM + PWM for optimized compressors operations in all conditions, minimized temperature fluctuations and providing perfect comfort with significant reduced energy consumption

15 Technology overview – Compressor
LESS VIBRATIONS MAKE THE LIFE OF THE COMPONENT LONGER, WHILE ENSURING REDUCED NOISE

16 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Technology overview – Compressor – PAM+PWM technology AIR HP combines two electronic management logic control systems PAM : Pulse Amplitude Modulation Goal: maximum power at the start up and in peak load conditions Benefit: fast reach of the set point (desired temperature) How: frequency is fixed and voltage is increased. Compressor works at high speed to rapidly achieve the set point When: in max load conditions Result: HIGH POWER PWM : Pulse Width Modulation Goal: maximum efficiency and comfort Benefits: energy saving + no temperature fluctuation once obtained the set temperature How: load voltage is fixed and frequency is varied to fine tune compressor speed When: in partial load conditions Result: HIGH EFFICIENCY

17 Technology overview – Compressor – PAM+PWM technology
On a leveled road, only a portion of the engine power is required On a gentle descent only a small fraction of the engine power is required To climb a steep slope, the full engine power is required ON 100% 50% 25% kW t STANDARD UNITS ADJUST THEIR COOLING / HEATING CAPACITY BY CYCLING THE COMPRESSOR ON AND OFF

18 Technology overview – Compressor – PAM+PWM technology
On a leveled road, only a portion of the engine power is required On a gentle descent only a small fraction of the engine power is required To climb a steep slope, the full engine power is required rpm / kW t ON ON 100% ON 50% ON 25% BERETTA INVERTER UNITS ADJUST THEIR COOLING / HEATING CAPACITY BY ADJUSTING THE COMPRESSOR RPM

19 Technology overview – Compressor – PAM+PWM technology
kW kW Average power consumption Power consumption Energy saving zone ON OFF ON OFF t t When the compressor starts rotating, a significant amount of electric energy is wasted to overcome the rotor’s inertia. kW kW Inverter Capacity ON OFF ON OFF t t In addition, the unit will start affecting the water temperature only when the refrigerant circuit has achieved the operating pressure, typically some minutes after the compressor starts rotating. THIS RESULTS IN AN IMPROVED ENERGY EFFICIENCY…

20 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Technology overview – Compressor – PAM+PWM technology 4 kW system: max. running current below 7.3A 6 kW system: max. running current below 11A 8 kW system: max. running current below 14A 12kW system: max. running current below 23A 15kW system: max. running current below 20A Start-up with maximum load (AIR HP 008) Max compressor frequency is reached step by step No peaks of current absorption during the start-up Absorption is always lower than the max. operating value Possible connection to 1ph power supply, even in large capacity systems

21 Compressor operation (50% capacity) Leaving-water temperature
Technology overview – Compressor – PAM+PWM technology Compressor operation (50% capacity) fix-speed inverter Leaving-water temperature AND IMPROVED COMFORT.

22 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Technology overview – other components Several sensors placed in key positions on the refrigerant circuit electronically detect the operational state of the system. A Micro Controller Unit receives the inputs from the sensors, elaborates them using advanced algorithms and optimizes the refrigerant flow and the functioning of core components: compressor, fan motors and the pulse modulation valve. Sensors Micro controller

23 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Technology overview – other components Coil (stator) Pulse Modulation Valve Pulse Modulation Valve (PMV) is a refrigerant bi-flow electronic expansion device, driven by a stepper motor. Valve body (permanent magnet) Optimize the amount of refrigerant in the circuit Avoid refrigerant liquid back into the compressor Optimize refrigerant superheating System performance and reliability

24 To brazed plate heat exchanger From brazed plate heat exchanger
Technology overview – other components 4-way valve To brazed plate heat exchanger From finned coil From brazed plate heat exchanger To finned coil

25 Technology overview – other components
Liquid receiver is a stand-pipe refrigerant storage fixed after the condenser and before the expansion valve. Main function is to store exceeded refrigerant charge during heating operating

26 Suction accumulator schematic:
Technology overview – other components Suction accumulator is a in-line refrigerant storage fixed on suction side before the compressor. Main function is to protect compressor to possible liquid back. Suction accumulator schematic: Muffler is a in-line device fixed on discharge pipe to reduce gas pulsation. This means a reduced compressor noise and a better sound quality.

27 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Technology overview – other components - layout Automatic air purge valve Water flow switch Water pressure relief Entering & Leaving water temperature sensors Water pump Water pump unlock access Expansion vessel Sizes Size EWT LWT AIR HP Unit 004 006 008 012 015 Nominal water flow Std l/s 0,20 0,28 0,33 0,58 0,69 Water loop content for AriaPro units Min l 14 21 28 42 49 Max 65 95 Max water loop pressure kPa 300 Filling water pressure 120 Max elevation AriaPro upper m 20

28 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Technology overview – other components - layout Automatic air purge valve Water flow switch Water pump Water pressure relief Expansion vessel Entering water temperature sensor Leaving water temperature sensor Water drain 6 5 4 3 2 1 EWT Refrigerant Discharge Sizes LWT Refrigerant Liquid 5 8 7 6 4 3 2 1 EWT Refrigerant Discharge Size LWT Refrigerant Liquid 8 7

29 Technology overview – other components – Pump head
Nominal water flow Water loop content Unit Std Min Max l/s l 004 0,20 14 65 006 0,28 21 008 0,33 28 012 0,58 42 95 015 0,69 49 Minimum water content 3.5 l/kW

30 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Installation and accessibility Slide down access panel Removable panel for easy access to: Power supply electrical connections GMC electrical connections Internal components Water connections: Entering water Leaving water Drain water

31 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Controls - overview USER INTERFACES GMC CONTROL CDU CONTROL Users can select the desired operating mode through remote controllers GMC control continuously analyzes the water, indoor ambient conditions and the customer requests and sends commands to the CDU control. GMC control also manages all the system input/output, user interface, and compressor operation management. The CDU control takes care of the system reliability and satisfies the requests coming from GMC control driving fan motor, PMV and compressor. The CDU control continuously sends back signals to the GMC control.

32 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Controls - overview GMC Inverter GMC board features: Customized or pre-defined climatic curves Sanitary Hot Water I/O Silent / night noise reduction function Defrost / alarm output signal External heat source Dehumidifier / Humidifier control Pump block prevention function Freeze protection Compressor operating management Additional water pump Safety input

33 Controls - overview 2 WAY COMMUNICATION OUTPUT Alarm Input Power-line
Trace Heater / Additional water pump Alarm & Defrost / Dehumidifier External Heat Source / Defrost Alarm Input Alarm / Ambient temperature reached Power-line 3 way valve SHW

34 Controls - NUI The control, called NUI and delivered as standard with the machine, has different functions with closed or open cover. Three different applications: Service tool, for programming (customs settings) and diagnosis purposes, when temporarily wired to AriaPro… All of the above, plus remote controller and programmer, when installed in a room that is not representative of the indoor temperature and relative humidity (e.g. basement, technical room, garage, etc.). All of the above, plus room thermostat and hygrostat, and many customizable functions.

35 User functionality (comfort):
One touch interface to select 3 different room temperature set point mode: Home, Sleep, Away Display of: climatic display: Room T°, OAT T° and Room RH% Time and day of the week Heat source (Heat Pump, Night, SHW, EHS) Mode: Off, Off with home antifreeze, Heat and Cool Alarms Room set-point mode Room UR% set point to drive a Dehumidifier / Humidifier Scheduling: periods/day, room sp mode, Heat Pump On/Off and night option Room sensor adjustment Different temperature value can be displayed Key pad can be locked Set point can be temporary or permanently modified Shortcut to Night mode (button for 10 sec) Installer & Service functionality Multipurpose user Interface: Thermostat, Comfort, Programmer Control and Service tool Main Commissioning features Force outputs on and test Hydraulic circuit (par 104) Define different system type and user interface (par 100, 101) Configure terminal block outputs (par 106, 107, 108,147) Water temperature set points/climatic curves (par 112 to 125) Frost Protection set points (par 109) Controlled OFF setting (par 146) Backup Heater strategy (par 148, 150, 151, 152) Sanitary mode setup (par 153) External Sensor installed (par 126) Main Service features: Read Heat Pump temperatures (par127 to 130, 137, 138, 139, 145) Display Compressor Hz (par 132, 133, 134) Display flow switch status (par 111) Alarm / history (par 22 & 23) Display Compressor /water pump run time (par 135, 144)

36 Humidifier / Dehumidifier Room relative humidity %
Controls – NUI – closed cover Child lock Compressor ON / Frequency reduction Room air temperature Sanitary Hot Water Mode Back-up EHS mode Home anti-freeze mode On / Off Timer on Time clock Cooling mode Heating mode Humidifier / Dehumidifier Activated Room relative humidity % Outdoor air temperature Alarm warning Service mode Day of the week and weekly timer I am at home mode I am away mode I sleep mode

37 Controls – NUI – open cover
Mode Up & down Schedule On/Off Zone Done Home Sleep Away Days Period Start time Day/hour/min

38 T set in CODE 148 < OAT < T set in CODE 150
Controls – Logic A number of parameters determine how and under which conditions the HP will ask the support of the auxiliary heater (electric, gas boiler, a.s.o.) and activates the additional water pump. Whatever is the outdoor temperature the HP will be the only one working should a DHW request come. OAT < T set in CODE 148 T set in CODE 148 < OAT < T set in CODE 150

39 Controls – Internal safeties
Several routines are built-in in the PCBs so to grant at any time the best working conditions of all the components and to protect both the machine and the installation while maximising the comfort for the user. -MAIN and ADDITIONAL pump anti-seizing function Room anti-freeze function Compressor Short Cycling Protection (Timeguard): to protect the compressor form short cycles and too often on/off. The maximum allowed number of cycles every hour is SIX Minimum Compressor Run Time: to protect the compressor form short cycles and too often on/off. The compressor is forced to work for a minimum of three minutes even if in the meantime the heat request has stopped Water anti-freeze protection: should the water in/out the plate heat exchanger go below a certain value, the compressor is stopped Water over-temperature protection: should the water in/out the plate heat exchanger go over a certain value, the compressor is stopped Water anti-frost protection due to outdoor temperature. The trace heater, the water pump, the machine are turned ON in sequence according to the probes readings. Discharge temp release control: compressor protection due to over-temperature of the refrigerant temperature reading. Current release control: compressor protection due to over-current absorbed

40 Controls – Comfort functions.
In all the machines the fans speeds are modulated so to reduce the noise: 4;6;8 kW machines – modulation along a continuous range of values; 12;15 kW units: the two fans are modulated with different speeds compressor warm up procedure: it warms up the compressor to avoid a slackness of refrigerant inside the component. The procedure is monitored and stopped reading the current absorption defrost control on the fanned heat exchanger, so to grant constantly the efficiency of such exchanger.

41 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Regulatory and certifications Electrical product safety Low voltage directive LVD 2006/95/EC (required for CE mark) Harmonized Standard EN “Particular requirements for electrical heat pumps, air conditioners and dehumidifiers” EN “Safety of household and similar electrical appliances, Part 1: General requirements” Third parts certification bodies guaranties conformity to standards

42 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Regulatory and certifications EMC emissions EMC emission limits are set in the following standards: Electromagnetic Emissions 2004/108/EC, EMC Directive EN50366, Magnetic Fields from Household Appliances EN (2000) + A1 (2001) + A2 (2002), Emissions from Household Appliances EN and EN , Harmonic Current Emissions EN , Voltage Fluctuations Electromagnetic Immunity CE-UG (Only for test method) EN (1997) + A1 (2001), Household Appliance Immunity EN , ESD Immunity, 8 kV contact, 16 kV air gap EN , Radiated Immunity, 10 V/m EN , Electrical Fast Transient/Burst Immunity, 4 kV I/O, 4 kV power EN , Surge Immunity, 4kV line to line, 4kV line to protective earth EN , Conducted Immunity, AM at 1 80%, 3 Vrms AC lines and AC output lines, 1 Vrms I/O EN , Power Quality (Voltage dips and interruption) EMC conformity is required for CE mark

43 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Regulatory and certifications Environmental care RoHS (2002/95/EC) Units don’t contain lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), or PBDE. WEEE (2003/108/EC) Units must be collected separately after its use is completed, and cannot be disposed as unsorted municipal waste. Objectives: to tackle the fast increasing waste stream of electrical and electronic equipment, to increase recycling of electric & electronic equipment (“EEE”), to limit the total quantity of waste EEE (“WEEE”) going to final disposal. The crossed out wheeled bin symbol that is affixed to the product means that this product falls under the Directive. The user is responsible for returning the product to the appropriate collection facility, as specified by your municipality or the distributor. In case of installation of a new product, it may be possible to have the distributor pick up old WEEE directly. The producer, importer and distributor of are responsible for collection and treatment of waste, either directly or through a collective system.

44 Regulatory and certifications
Environmental care Montreal and Kyoto protocols Preservation of natural resources The new packaging Systems are designed for R-410A refrigerant, a binary blend of hydrofluorocarbon, chlorine-free, zero ODP (Ozone Depleting Potential) Excellent energy performance and high seasonal efficiency High protection during transport and handling, 100% recyclable

45 Schemes examples In the following slides there are a few installation schemes with the purpose to give a flavour of the different possible installations of the machine inside a (new or renovated) system. It is important to notice that there is the need for the installer to complete the system with a handful of components, among which the most important is probably the WATER FILTER. It is in fact extremely important to avoid that any dirt, metal shavings, sludge, dirt end up in the plate heat exchanger, to avoid its seizing.

46 ADDITIONAL COMPONENT TO BE INSTALLED:
Water valve Water filter 10 mesh/inch (not included) Manometer (not included) Water filling system (not included) Drain valve (lower water circuit point) Automatic air purge valve (higher water circuit point) Motorized three way valve (to be installed closer the AriaPro) Sanitary hot water Load (terminal fan coil / floor heating / radiators)

47 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Examples – heating application Space heating External heat source Sanitary hot water LWT 55°C Mid temp radiator LWT 45°C Fan coil unit INTERFACE 60°C LWT 35°C Heat pump outdoor unit Under floor heating Water temperature range produced by AIR HP air to water heat pump 20-60°C

48 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Examples – heating application Humidifier Space heating Sanitary hot water LWT55°C Mid temp radiator 60°C LWT 45°C Fan coil unit INTERFACE LWT 35°C Heat pump outdoor unit Under floor heating If an external heat source is not used a humidifier can be driven by user interface

49 HVAC EMEA - CARRIER UNIVERSITY
SRVC10.Heating_HP_30AW-Service Training APRIL 2010 Examples – cooling application Space cooling Dehumidifier Sanitary hot water LWT 18°C Radiant cooling system 60°C LWT 7°C Fan coil unit Heat pump outdoor unit INTERFACE Water temperature produced by AIR HP air to water reversible heat pump 4-18°C


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