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Hitachi RWM-(H)FSN3E, Technical Catalogue

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Hitachi RWM-(H)FSN3E Technical Catalogue Download Page 161

TCGB0070 rev.3 - 04/2012

161

13  Troubleshooting

13

Index

13.1.  On screen during abnormal operation .................................................................................................162

13.2.  Alarm codes ........................................................................................................................................162

13. 

Tr o u b l e s h o o t i n g

Summary of Contents for RWM-(H)FSN3E

Page 1: ...RWM H FSN3E Indoor units RAS H V RNME AF Outdoor units RAS HVRN2 Outdoor unit Technical Catalogue YUTAKI S SERIES TCGB0070 rev 3 04 2012 YUTAKI S SERIES ...

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Page 3: ...enefits General data Capacities and Selection data Acoustic characteristic curves Working range General dimensions Refrigerant cycle Piping work and refrigerant charge Electrical wiring Installation configurations Optional functions Troubleshooting 1 2 3 4 5 6 7 8 9 10 11 12 13 ...

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Page 5: ...ion range 23 2 1 3 Adaptability to the customer s system needs 24 2 2 Installation benefits 25 2 2 1 Easy unit installation 25 2 2 2 Easy and flexible electrical installation 28 2 3 Start up benefits 29 2 3 1 Start up by pressing the Run Stop button of LCD user s interface 29 2 3 2 Floor screed drying Circuits 1 2 Optional function 29 2 3 3 Test run operation from LCD user s interface 29 2 4 Funct...

Page 6: ...E AF 60 3 4 Domestic Hot Water Tank 61 3 5 Component data 62 3 5 1 Indoor unit 62 3 5 2 Outdoor unit 63 3 6 Electrical data 65 3 6 1 Considerations 65 3 6 2 Indoor unit 65 3 6 3 Outdoor unit 65 3 6 4 Domestic Hot Water Tank 66 4 Capacity and selection data 67 4 1 System selection procedure 68 4 1 1 Selection parameters 68 4 1 2 Selection procedure 68 4 2 Maximum capacity tables 77 4 2 1 Maximum he...

Page 7: ...tion 106 8 2 RAS 3HVRNME AF RWM 3 0 H FSN3E combination 107 8 3 RAS 4 6 H V RNME AF RWM 4 0 6 0 H FSN3E combination 108 8 4 RAS 8 10 HRNME AF RWM 8 0 10 0 H FSN3E combination 109 9 Piping work and refrigerant charge 111 9 1 Refrigerant piping 112 9 1 1 Refrigerant piping length 112 9 1 2 Refrigerant piping size 112 9 2 Copper pipes measurements and connection 113 9 2 1 Copper pipes and measurement...

Page 8: ... 8 1 Hydraulic circuit 126 9 8 2 Pressure drop 127 9 8 3 General standard for hydraulic installation 127 10 Electrical wiring 129 10 1 Power supply 130 10 1 1 General check 130 10 1 2 Electrical connection of outdoor unit 131 10 1 3 Electrical connection of outdoor unit 133 10 2 Setting of DIP switches and RSW switches 135 10 2 1 Outdoor unit 135 10 2 2 Indoor unit 138 10 3 Common wiring 143 10 3 ...

Page 9: ...11 3 Additional combinations 157 11 3 1 Swimming pool 157 11 3 2 Solar panel 157 12 Optional functions 159 12 1 Optional functions of the indoor unit 160 13 Troubleshooting 161 13 1 On screen during abnormal operation 162 13 2 Alarm codes 162 ...

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Page 11: ...duction 12 1 1 3 Environtment friendly units 13 1 2 Applied symbols 14 1 3 Product guide 15 1 3 1 Classification of indoor unit models 15 1 3 2 Classification of outdoor unit models 15 1 3 3 Classification of Domestic Hot Water Tank accessory 16 1 3 4 Product guide indoor unit 16 1 3 5 Product guide outdoor unit 17 1 3 6 Accessory code list 17 ...

Page 12: ...oling systems creating an air conditioned system and using just one energy source the electricity For winter time With the aim of reducing energy expenditure there is a clear trend in the market to use medium and low temperature hea ting systems Technological advances and improvements in insulation in the home enable to use of low temperature water to heat homes This results in more comfort and gr...

Page 13: ...following additional combinations Solar combination for DHW YUTAKI S system can be combined with solar panel The solar combination will enable to heat up the DHW by means of the sun The solar combination is designed to transfer the heat from the solar panels sun radiation to the heat exchanger of DHW tank Swimming pool operation For summer session period YUTAKI S can be used to heat up the swimmin...

Page 14: ...your safety and phy sical wellbeing Not taking these instructions into account could lead to serious very serious or even fatal injuries to you and others in the proximities of the unit In the texts following the danger symbol you can also find information on safe procedures during unit installation C A U TION The text following this symbol contains information and instructions relating directly t...

Page 15: ...pump V Single phase unit 1 230V 50Hz Three phase unit 3N 400V 50Hz Inverter system R410A refrigerant Series Made in Japan RAS X H X R N 2 X RAS H V RNME AF Unit type outdoor unit Position separating hyphen fixed Compressor power HP 3 4 5 6 8 10 Heat pump V Single phase unit 1 230V 50Hz Three phase unit 3N 400V 50Hz Inverter system R410A refrigerant IVX series E Made in Europe YUTAKI S RAS X H X R ...

Page 16: ...07 RWM 5 0FSN3E 7E474108 RWM 5 0FSN3E 7E474108 RWM 6 0FSN3E 7E474109 RWM 6 0FSN3E 7E474109 RWM 8 0FSN3E 7E474110 RWM 10 0FSN3E 7E474111 RWM HFSN3E indoor units 1 3N Unit Code Unit Code RWM 2 0HFSN3E 7E474016 RWM 3 0HFSN3E 7E474018 RWM 4 0HFSN3E 7E474120 RWM 4 0HFSN3E 7E474120 RWM 5 0HFSN3E 7E474121 RWM 5 0HFSN3E 7E474121 RWM 6 0HFSN3E 7E474122 RWM 6 0HFSN3E 7E474122 RWM 8 0HFSN3E 7E474123 RWM 10 0...

Page 17: ...E300120 RAS 5HVRNME AF 7E300021 RAS 5HRNME AF 7E300121 RAS 6HVRNME AF 7E300022 RAS 6HRNME AF 7E300122 RAS 8HRNME AF 7E317110 RAS 10HRNME AF 7E317111 1 3 6 Accessory code list Room Thermostats Accessory Name Code Figure ATW RTU 01 ON OFF Thermostat Receiver Room Thermostat 7E543000 ATW RTU 02 Intelligent Thermostat Receiver Room Thermostat 7E549900 ATW RTU 03 2nd temperature Thermostat Only Room Th...

Page 18: ... valve motor 7E549912 ATW DPK 01 Drain pan kit For RWM 2 0 6 0 FSN3E 7E549902 ATW DPK 02 NEW Drain pan kit For RWM 8 0 10 0 FSN3E 7E549903 ATW AOS 01 Auxilliary output signal box Relay board for additional output signals 7E549910 ATW 2OS 01 Ambient temperature sensor 2nd outdoor temperature sensor 7E549909 ATW WTS 02 Water temperature sensor 2nd temperature control boiler combination 7E549911 ATW ...

Page 19: ...ot Water Tank Stainless 200 L 70544100 DHWT300S 2 5H1E Domestic Hot Water Tank Stainless 300 L 70544101 DHWT CP 01 Permanent cathode protection for enamelled tank 200 L 70544900 DHWT CP 03 Permanent cathode protection for enamelled tank 300 L 70544903 DHWT CP 02 Permanent cathode protection for stainless tank 200 L 70544901 DHWT CP 04 Permanent cathode protection for stainless tank 300 L 70544904 ...

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Page 21: ...unction 29 2 3 3 Test run operation from LCD user s interface 29 2 4 Functionality benefits 30 2 4 1 High efficiency system 30 2 4 2 Wide capacity range 30 2 4 3 Expanded working range 31 2 4 4 Advanced technology 32 2 5 Control features 44 2 5 1 Flexible space heating cooling configuration and control 44 2 5 2 Flexible Domestic Hot Water DHW control 48 2 5 3 Swimming pool combination control 50 2...

Page 22: ...s less electrical power input and therefore a reduction in CO2 emissions 25 75 Combinability with solar energy New air to water heat pump allows the combination with solar panels for the Domestic Hot Water operation The air to water heat pump will provide a part of the required heating and the rest of required heating will be provided by the solar panel As it is known the solar panels get the heat...

Page 23: ...ase combinations depending on the model UTOPIA outdoor units Phase Capacity HP 2 3 4 5 6 8 10 RAS HVRN2 1 NEW RAS HVRNME AF 1 RAS HR V NME AF 1 3N RAS HRNME AF 3N NEW NEW Indoor unit RWM H FSN3E indoor unit series range allows single phase and three phase connection All models are factory supplied with electric heater RWM indoor units Phase Capacity HP 2 0 3 0 4 0 5 0 6 0 8 0 10 0 RWM H FSN3E 1 NE...

Page 24: ...floor or both 2nd temperature area Also combinable with the following options Domestic Hot Water DHW Use of electric heater boiler or both for low ambient temperature conditions Solar combination for DHW Space cooling Fan coil refreshing floor or both 2nd temperature area Also combinable with the following options Domestic Hot Water DHW Solar combination for DHW Swimming pool combination in summer...

Page 25: ...ves its rigidity Hidden new LCD user s interface The new LCD user s interface is located inside the LCD user s interface cover LCD user s interface cover mm Steel plate cover 7 LCD user s interface cover mm Steel plate cover RWM 8 0 10 0 H FSN3E RWM 2 0 6 0 H FSN3E Reduced installation space The small installation space allows the location of the indoor unit on very narrow rooms N OT E H 1200 1500...

Page 26: ...alled N OT E For more information please refer to the Service Manual SMXX0070 Easy cabinet assembling The design of the new cabinet enables a better assembling by following these steps Step Place the unit s cover at same level of the wall mounted unit by taking it from the bottom side Step Put the right side cover holes into the back plate frame hooks x2 locations by the help of the external marks...

Page 27: ...ility to know the pressure drop of the installation in order to regulate the pump flow Flare Nut G 1 1 4 to the unit Shutdown valve factory supplied Pressure port G 3 8 male for installation commissioning G 1 1 4 male to the installation N OT E For more information please refer to the Service Manual SMXX0070 Incorporated electric heater Factory supplied All the new RWM H FSN3E models have incorpor...

Page 28: ...orm the electrical works electrical installation connection dip switch setting is reflected in these docu ments Schematic label The different possible connections to the terminal boards are indicated by means of a schematic label with the figure corresponding at the required configuration see previous figure Big Electrical Wiring Diagram and Caution Label There are two labels sticked on the rear s...

Page 29: ...ed on EN 1264 par 4 When user activates the floor screed drying function the water set point follows a predetermined schedule 1 Water set point is kept constant at 25ºC for 3 days 2 Water set point is set to the maximum heating supply temperature but always limited to 55ºC for 4 days 3 After 7 days started the floor screed drying the water outlet temperature will return at the assig ned water temp...

Page 30: ...ide capacity range The new control frequency system allows a wide capacity application range as shown below Heating capacity range at conditions Water inlet outlet 30 35 ºC Outdoor temperature 7 6 ºC DB WB RWM 3 0 H FSN3E 6 kW 10 kW 14 kW 18 kW 22 kW 26 kW 30 kW 34 kW 2 kW RWM 4 0 H FSN3E 6 kW 10 kW 14 kW 18 kW 22 kW 26 kW 30 kW 34 kW 2 kW RWM 5 0 H FSN3E 6 kW 10 kW 14 kW 18 kW 22 kW 26 kW 30 kW 3...

Page 31: ...ng range The working range of new air to water heat pump has been extended for both heating cooling space as shown below Space heating The water outlet temperature has been extended up to a range from 20 to 60ºC The water outlet temperature can keep high temperature up to 60ºC even in low ambient temperature conditions of 5 ºC WB Space cooling The water outlet temperature range is from 5 to 22ºC a...

Page 32: ...rent pump motor speeds Complementary heating for the most low ambient temperature conditions 3 steps electric heater High efficiency heat exchanger Outdoor unit expansion valve Outdoor unit heat exchanger Sub cooling circuit Reversing valve Stop valve of the gas pipe Stop valve of the liquid pipe Liquid receiver 2 Indoor unit expansion valve Electric heater Expansion vessel Water pump Water strain...

Page 33: ... 53 Heat transfer tube Fin cross sectional surface slit alignment Fin cross sectio nal surface slit alignment Air ventilation resistance Newly developed fin Face wind velocity Frost formation amount Current fin Current fin Air flow Air flow Approx 20 Reduction Approx 10 Increase Heat trans fer ratio Newly developed fin Side flow technology Energy saving and uniform air velocity distribution by sid...

Page 34: ...bution at air inlet angle Increased angular advance Silent fan unit Low noise due to the following aspects Combination of the three blade and slim fan The fan has been designed to have a lower body than traditional fans and achieves surprising results with a noise reduction of up to 4dB A Traditional fan 15 New fan DC fan motor The smooth rotating fan motor with low vibration reduces the noise gen...

Page 35: ...ease of superheat loss Decrease of leak loss Decrease of intake loss HIGH PERFORMANCE NEW NEW NEW High pressure shell It acts as an oil separator reducing the amount of oil circulating in the cooling system giving better heat exchanger efficiency Motor heat is not added to the suction gas before compression which reduces the discharge gas temperature This is particularly important at low suction t...

Page 36: ...casing When the compressor starts to run the pressure in the chamber under the scroll builds up through two bleed holes in the medium pressure section of the compression stroke This pressure then forces the scroll up against the housing and seals the compression chamber If liquid returns to the compressor the resulting increase in pressure forces the scroll downwards breaking the seal and allowing...

Page 37: ...e set temperature and maintaining a stable energy saving operation thus reducing the noise since the compressor is not running conti nuously Setting temperature in heating mode Room temperature Set temperature RAS H V RNME AF Machine with constant speed Time In the case of RAS H V RNME AF Quickly reaches the temperature set at high power then maintains stable energy saving operation In the case of...

Page 38: ...For compressor motor before changing the rotor Frequency Hz Electromagnetic noise reduced Frequency Hz Noise Noise For compressor motor after changing the rotor Acoustically insulated compressor The scroll compressor is insulated by means of a acoustic cover providing mini mum noise levels ...

Page 39: ...rculating speeds on the fluids Lower heat losses since only the edges of the plates are exposed to the outside environment and additionally to having small thicknesses it can be readily isolated Water strainer incorporated A water strainer is located on the water inlet of the plate heat exchanger in order to prevent any damage caused by dirty water or suspended particles into the circuit Plate hea...

Page 40: ... doing possible the performance in a biggest working temperature range Electric heater Three steps electric heater The desired heating supplied can be more exactly provided by means of the 3 steps electric heater control When a con tactor receives the signal and close it an electrical resistance is activated resulting in one step heater power When the electric heater is working in steps 1 or 2 the...

Page 41: ...tection only Enamelled steel tank Cathodic protection installed with magnesium anode and load measured on the front panel Permanent Anti corrosion System as accessory Exclusive solution for anti corrosion protection which ensures maximum longevity of the appliance regardless of water quality The electronic circuit creates a difference in potential between the hot water tank and the titanium electr...

Page 42: ... if there is no zone selected From the rest of the views and menus it will work as an emergency mode stopping the entire unit but not turning it on OK Used to select items and confirm any adjustments 4 Arrows Allows for movement inside the menus and views Return Used to cancel the adjustment of an item or for going back to the main menu from the comprehensive view Easy unit configuration The LCD u...

Page 43: ...wimming pool combination Time and date Alarm indication Control of circuits I II Unit mode Unit status signals Configuration menu Sanitary Tank control Swimming pool control Two configuration modes User mode This mode allows to the user the setting of some parameters and the selection of some options of the LCD user s interface Installer mode High privilege mode for setting other configuration par...

Page 44: ...variety of configurations N OT E For the detailed information please refer to the section Installation configurations Second water temperature control New air to water heat pump allows the water temperature control of two zones with different required temperatures radia tors heating floor for example by means of the 2nd Temperature Room Thermostat as accessory The mixing valve is controlled to mai...

Page 45: ... ºC Outdoor ambient temperature ºC 44 20 20 20 OTC Gradient Only for heating space Water target is selected by an Outside Temperature Compensated OTC control that is defined by a different gradient of the curve The initial point of the curve is always 20ºC 20ºC Water outlet target 20ºC at outdoor ambient temperature of 20ºC Water outlet temperature set point ºC Outdoor ambient temperature ºC Heat ...

Page 46: ...e set point ºC Minimum water temperature Maximum water temperature Example of water temperature setting N OT E Very useful when water calculation type selected is by gradient Cooling circuit minimum maximum temperature limits selection by installer The installer will limit the space cooling temperature set point in order to prevent excessively high or low temperatures Outdoor ambient temperature º...

Page 47: ...e enabled in order to provi de the necessary supplementary heating but only when the unit is operating in space heating mode 3 steps heater control The desired heating supplied by heater is determined by the Load factor which is calcula ted by a P I function ranging from 0 to 100 Actual heater output will be translated from percentage to a 3 step output using hysteresis system Bi valent point Air ...

Page 48: ...r electric heater The unit will normally operate with air to water heat pump and the supplementary heating required will be supplied by the electric heater The boiler will only operate when the air to water heat pump electric heater cannot reach the required heating capacity in conditions of very low ambient temperature 20 20 Air to water heat pump capacity Heat Demand Air to water heat pump Air t...

Page 49: ... Legionella optional function protection please refer to the Service Manual SMXX0070 Maximum water set point by the installer The installer can set a maximum water tank temperature in order to avoid excessively hot water in the DHWT Two different modes for DHW The DHW operation will be performed by two different modes Standard mode The DHWT will start heating when the water tank temperature is low...

Page 50: ...s from sticking during long periods of inactivity by running every week the components during a short period 2 5 5 Other optional functions EJP input Electrical tariff input This function allows an external tariff switch device to switch OFF the heat pump during peak electricity demand period Depending on the setting the heat pump or DHWT will be blocked when signal is open closed Additionally it ...

Page 51: ...perature A large serie of operation temperatures water inlet outlet temperature room temperature of cir cuits 1 and 2 outdoor ambient temperature gas liquid temperature Set point The set point temperatures will be displayed in order to allow to the user installer compare the actual and setting temperatures in any moment room temperature and OTC supply temperature set point of circuits 1 and 2 wate...

Page 52: ...utdown valves Additionally to the installation benefits quick installation and pressure port for installation commissioning the use of the shutdown valves allows a better service works in case of need to drain the water contained in the system In this case close the main valve and drain the water contained into the unit through the mini valve Flare Nut G 1 1 4 to the unit Shutdown valve factory su...

Page 53: ...a A new option is available in order to facilitate a knowledge of the last alarms registered on the LCD user s interface This option is known as Alarm hystorical data NEW The software can save up to the last 20 alarms showing on the screen the following data Date Time Alarm code ...

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Page 55: ...unit 59 3 3 1 RAS 2 6 HVRN2 HVRNME AF 59 3 3 2 RAS 4 10 HRNME AF 60 3 4 Domestic Hot Water Tank 61 3 5 Component data 62 3 5 1 Indoor unit 62 3 5 2 Outdoor unit 63 3 6 Electrical data 65 3 6 1 Considerations 65 3 6 2 Indoor unit 65 3 6 3 Outdoor unit 65 3 6 4 Domestic Hot Water Tank 66 3 Ge ner al da ta ...

Page 56: ... 6 20 4 COP 2 10 2 07 2 14 1 92 1 81 2 17 2 16 Min Nominal Max Conditions Water inlet outlet 55ºC Outdoor temperature DB WB 7 8 ºC kW 1 6 3 0 3 9 2 9 5 3 5 5 2 4 5 9 6 3 2 9 7 7 8 7 3 0 7 9 8 9 7 0 11 8 12 6 7 6 15 4 17 3 COP 1 62 1 65 1 55 1 55 1 46 1 73 1 72 Model Indoor unit RWM 2 0 FSN3E RWM 3 0 FSN3E RWM 4 0 FSN3E RWM 5 0 FSN3E RWM 6 0 FSN3E RWM 8 0 FSN3E RWM 10 0 FSN3E Outdoor unit RAS 2 HVR...

Page 57: ... water flow condition m h 0 9 1 3 1 7 2 1 2 4 Outer di mensions Height mm 890 Width mm 520 Depth mm 360 Net weight kg 55 56 59 61 61 Packaging dimensions m 0 36 0 36 0 36 0 36 0 36 Sound pressure level dB A 29 29 28 28 28 Refrigerant R410A Refrigerant pipe connection Flare nut connection Dimensions Liquid pipe mm Ø6 35 1 4 Ø9 53 3 8 Ø9 53 3 8 Ø9 53 3 8 Ø9 53 3 8 Gas pipe mm Ø15 88 5 8 Ø15 88 5 8 Ø...

Page 58: ...nsions m 0 46 0 46 Sound pressure level dB A 29 29 Refrigerant R410A Refrigerant pipe connection Flare nut connection Dimensions Liquid pipe mm Ø9 53 3 8 Ø12 7 3 8 Gas pipe mm Ø25 4 1 Ø25 4 1 Water pipe connection Shutdown valves factory supplied Dimensions Inlet mm G 1 1 4 male G 1 1 4 male Outlet mm G 1 1 4 male G 1 1 4 male Water pipe diameter recommended mm Ø28 Ø28 Expansion vessel volume l 10...

Page 59: ...er kW 0 95 1 38 1 80 2 50 2 50 Heat exchanger Multi pass cross finned tube Outdoor fan Propeller fan Quantity 1 1 2 2 2 Air flow rate m min 35 45 80 90 100 Power W 40 40 70 70 70 70 70 70 Refrigerant pipe connection Flare nut connection factory supplied Size Liquid piping mm in Ø6 35 1 4 Ø9 53 3 8 Ø9 53 3 8 Ø9 53 3 8 Ø9 53 3 8 Gas piping mm in Ø12 7 1 2 Ø15 88 5 8 Ø15 88 5 8 Ø15 88 5 8 Ø15 88 5 8 ...

Page 60: ... 00 4 00 4 00 Heat exchanger Multi pass cross finned tube Condenser fan Propeller fan Quantity 1 1 1 1 1 1 1 1 1 1 Air flow rate m min 80 90 100 121 150 Power W 70 70 70 70 70 70 170 120 170 120 Refrigerant pipe connection Flare nut connection factory supplied Size Liquid piping mm in Ø9 53 3 8 Ø9 53 3 8 Ø9 53 3 8 Ø9 53 3 8 Ø12 70 1 2 Gas piping mm in Ø15 88 5 8 Ø15 88 5 8 Ø15 88 5 8 Ø25 40 1 Ø25 ...

Page 61: ...0 90 90 Max tank water pressure bar 8 8 8 8 Max coil water temperature C 200 200 200 200 Max coil water pressure bar 25 25 25 25 Tank Insulation Material Polyurethane Heat loss kW dia 1 67 2 28 1 42 1 55 Min thickness mm 50 50 50 50 Main components Heat ex changer Quantity 1 1 1 1 Coil surface area m2 1 4 3 1 1 1 1 4 Booster heater Quantity 1 1 1 1 Heater rating kW 2 5 2 5 2 5 2 5 Type Immersion h...

Page 62: ...Maximum electric heater power kW 3 0 3 0 6 0 6 0 6 0 9 0 9 0 Regulated electric heater power step 1 step 2 step 3 kW 1 0 2 0 3 0 1 0 2 0 3 0 2 0 4 0 6 0 2 0 4 0 6 0 2 0 4 0 6 0 3 0 6 0 9 0 3 0 6 0 9 0 Piping Water inlet in 1 1 2 G 1 1 2 G 1 1 2 G 1 1 2 G 1 1 2 G 1 1 2 G 1 1 2 G Water outlet in 1 1 2 G 1 1 2 G 1 1 2 G 1 1 2 G 1 1 2 G 1 1 2 G 1 1 2 G Water operating pressure MPa 0 3 0 3 0 3 0 3 0 3 ...

Page 63: ...1 1 1 Fan unit Fan Type Multi blade centrifugal fan Number unit 1 1 2 2 2 Outer diameter mm 449 544 544 544 544 Revolutions rpm 850 464 376 459 516 422 573 469 Nominal air flow fan m3 min 35 45 80 90 100 Motor Type Drip proof enclosure Starting method DC control Power W 40 40 70 70 70 70 70 70 Quantity 1 1 2 2 2 Insulation class E E E E E Compressor Model EU1114D6 2YC45DXD E 306AHD 27A2 E 406AHD 3...

Page 64: ... Type Multi blade centrifugal fan Number unit 2 2 2 2 2 Outer diameter mm 544 544 544 544 544 Revolutions rpm 376 459 516 422 573 469 399 745 630 772 Nominal air flow fan m3 min 80 90 100 121 150 Motor Type Drip proof enclosure Starting method DC control Power W 70 70 70 70 70 70 170 120 170 120 Q ty 2 2 2 2 2 Insulation class E E E E E Compressor Model E 305AHD 27D2 E 405AHD 36D2 E 405AHD 36D2 E ...

Page 65: ... 2 0 H FSN3E 230 1 50 253 207 1 0 3 0 08 1 13 0 3 0 16 0 RWM 3 0 H FSN3E 0 5 0 10 13 0 3 0 16 0 RWM 4 0 H FSN3E 0 6 0 13 26 1 6 0 32 0 RWM 5 0 H FSN3E 0 6 0 14 26 1 6 0 32 0 RWM 6 0 H FSN3E 0 6 0 14 26 1 6 0 32 0 RWM 4 0 H FSN3E 400 3N 440 360 0 6 0 13 3N 8 7 6 0 11 0 RWM 5 0 H FSN3E 0 6 0 14 8 7 6 0 11 0 RWM 6 0 H FSN3E 0 6 0 14 8 7 6 0 11 0 RWM 8 0 H FSN3E 1 1 0 25 13 0 9 0 17 0 RWM 10 0 H FSN3E...

Page 66: ...ral data 3 6 4 Domestic Hot Water Tank RAS Model Main unit power Applicable voltage IPT kW RNC A U V PH f Hz U max V U min V DHWT200E 2 5H1E 230 1 50 253 207 2 5 12 DHWT300E 2 5H1E 2 5 12 DHWT200S 2 5H1E 2 5 12 DHWT300S 2 5H1E 2 5 12 ...

Page 67: ...n procedure 68 4 1 1 Selection parameters 68 4 1 2 Selection procedure 68 4 2 Maximum capacity tables 77 4 2 1 Maximum heating capacity kW 77 4 2 2 Maximum cooling capacity kW 79 4 3 Heating nominal points of interest 80 4 4 Correction factors 81 4 4 1 Defrost correction factor 81 4 4 2 Piping length correction factor 81 ...

Page 68: ...ording to the design conditions Then the theoretical capacity values taken from the different tables are corrected by means of the correction factors resulting in the actual capacity which will provide the selected system The system selection procedure will be divided in two parts heating and cooling Heating mode YUTAKI S system is a perfect solution for heating requirements It allows many configu...

Page 69: ...TAKI S system Example of Alternating Bi valent Only boiler Example of Alternating Bi valent Heater boiler 20 20 Air to water heat pump Capacity Heat Demand Air to water heat pump Boiler Bi valent point PH TA Air to water heat pump capacity Heat demand Air to water heat pump only Air to water heat pump Heater Air to water heat pump EH capacity Boiler 20 20 PH TA The example given in this chapter is...

Page 70: ...allation restrictions Installation type Radiant floor Power supply 1 230V 50Hz Indoor unit lower than outdoor unit 15 m Equivalent piping length between outdoor and indoor unit 20 m 12 0 kW 15 ºC WB Capacity of YUTAKI S system Required heating Hours 9 0 kW 5 ºC WB Heating load demanded These conditions will determine the entry in the Maximum heating capacity tables see section Maximum heating capa...

Page 71: ...or at an ambient temperature of 4 ºC DB does not appear on the table an interpolation will be needed Finally the resulting defrosting correction factor is 0 885 Calculation of fLH Both the length of the refrigerant piping used and the height difference between the outdoor unit and the indoor unit directly affect the performance of the unit This concept is quantified by means of the piping length c...

Page 72: ...apacity for an ambient temperature of 15 ºC WB and a water inlet outlet temperature of 30 35 ºC is 8 9 kW Step 2 Heating capacity correction for defrost and piping length The actual heating capacity for the system selected for the coldest days of the year is calculated by applying correction factors for defrost and piping length following the method used above QH QMH x fD x fLH QH Actual heating c...

Page 73: ...re exactly adjusted by means of the 3 steps electric heater control When the electric heater is working in steps 1 or 2 the power input will be reduced comparing with the total power input of the electric heater In this example this option can be applied The electric heater can work on 2 steps 4 kW and the re quired heating load for the coldest days will be covered with a reduction of power input ...

Page 74: ...00 litres tank otherwise it is recommended the 300 litres tank when the YUTAKI S system is RAS 4HVRNME AF RWM 4 0FSN3E or upper combination power in order to guarantee a longer hot water supply and a better operation In the case that the conditions of demand and the YUTAKI S system would be lower than those specifications it could be selected between 200 litres and 300 litres tank depending on the...

Page 75: ...n the table the RAS 4HVRNME AF RWM 4 0FSN3E system provides a theoretical cooling capacity 11 6 kW greater than the required cooling load by the installation 10 5 kW Therefore the calculation process can con tinue N OT E If the unit pre selected for heating mode does not provide the required cooling load by the installation the pre selection should be changed and the unit immediately above should ...

Page 76: ... 11 6 kW x 0 97 11 25 kW As can be seen the actual cooling capacity of the RAS 4HVRNME AF RWM 4 0FSN3E system 11 25 kW is greater than the required cooling load by the installation 10 5 kW Therefore the pre selection will be considered valid both for heating and cooling N OT E If the actual cooling capacity calculated is less than the provided by the pre selected unit the calculation must be done ...

Page 77: ... 8 2 68 11 7 2 73 12 6 2 79 13 5 2 84 30 6 2 2 47 7 1 2 63 7 9 2 79 9 3 2 95 11 0 3 11 11 4 2 66 12 3 2 71 13 3 2 77 14 2 2 82 25 11 4 3 14 11 8 2 64 12 8 2 69 13 8 2 75 14 7 2 80 20 14 2 2 73 15 2 2 78 RWM 4 0 H FSN3E RAS 4H V RNME AF 60 6 1 2 96 7 2 3 02 8 2 3 08 9 3 3 14 10 4 3 21 11 5 3 27 55 6 4 4 01 7 4 4 10 8 6 4 19 9 8 4 27 10 9 4 36 12 1 4 45 13 3 4 53 50 6 7 3 90 7 5 3 99 8 6 4 07 9 8 4 ...

Page 78: ... 4 6 99 27 5 7 17 30 6 7 34 33 7 7 51 35 10 4 5 62 14 0 5 79 17 6 5 97 20 2 6 15 22 2 6 32 24 9 6 50 28 0 6 67 31 2 6 85 34 3 7 02 30 10 8 5 11 14 6 5 29 18 3 5 47 21 0 5 64 23 0 5 82 25 8 6 00 29 1 6 17 32 4 6 35 35 6 6 53 25 23 5 5 32 26 3 5 50 29 6 5 68 32 9 5 86 36 3 6 04 20 33 5 5 36 36 9 5 54 RWM 10 0 H FSN3E RAS 10HRNME AF 60 19 4 9 98 22 5 10 20 25 7 10 42 28 9 10 64 32 1 10 86 35 2 11 08 ...

Page 79: ...WM 5 0FSN3E RAS 5H V RNME AF 20 16 6 16 2 15 9 15 5 15 1 18 16 1 15 7 15 4 15 0 14 6 14 3 15 15 5 15 1 14 8 14 4 14 1 13 7 13 4 13 0 10 13 2 12 9 12 5 12 2 11 9 11 6 11 3 10 9 7 11 8 11 5 11 2 10 9 10 6 10 3 10 0 9 7 RWM 6 0FSN3E RAS 6H V RNME AF 20 19 7 19 3 18 9 18 6 18 2 18 18 9 18 5 18 2 17 8 17 4 17 1 15 17 8 17 5 17 1 16 8 16 4 16 1 15 7 15 4 10 14 8 14 5 14 2 13 9 13 5 13 2 12 9 12 6 7 13 0...

Page 80: ...tions Water in out 40 45ºC Out Temp DB WB 7 6ºC CAP kW 4 7 7 1 9 2 11 3 13 3 18 4 22 6 COP 3 51 3 47 3 42 3 16 3 01 3 43 3 40 6 Conditions Water in out 47 55ºC Out Temp DB WB 7 6ºC CAP kW 4 2 6 2 8 1 10 1 12 6 16 2 20 2 COP 2 63 2 65 2 59 2 60 2 47 2 70 2 67 7 Conditions Water in out 35ºC Out Temp DB WB 2 1ºC CAP kW 4 7 7 1 9 0 10 9 12 4 17 9 21 9 COP 3 21 3 18 2 68 2 92 2 88 3 05 3 00 8 Condition...

Page 81: ...the correction factor will be different Defrost correction factor is not valid for special conditions such as during snow or operation in a transitional period Heating capacity Reduced capacity due to frost build up Time Max defrost 10 min 1 cycle 4 4 2 Piping length correction factor The correction factor is based on the equivalent piping length in meters EL and the height between outdoor and ind...

Page 82: ...ake note that the piping length specified in the following graphics is the equivalent piping length EL consid ering the possible elbows bends The actual piping length L is slightly lower 30 m Heating RAS 2HVRN2 RAS 3HVRNME AF Heating RAS 4H V RNME AF RAS 5H V RNME AF Heating RAS 6H V RNME AF RAS 8HRNME AF ...

Page 83: ...ted heating capacity kW TH Heating capacity from heating capacity table kW PH Heating piping length correction factor in Cooling piping length correction factor N OT E Take note that the piping length specified in the following graphics is the equivalent piping length EL consid ering the possible elbows bends The actual piping length L is slightly lower 30 m Cooling RAS 2HVRN2 RAS 3HVRNME AF ...

Page 84: ... Cooling RAS 6H V RNME AF RAS 8HRNME AF Cooling RAS 10HRNME AF N OT E The cooling capacity should be corrected according to the following formula TCA TC x PC TCA Actual corrected cooling capacity kW TC Cooling capacity from the cooling capacity table kW PC Cooling piping length correction factor in ...

Page 85: ...5 Acoustic characteristic curves TCGB0070 rev 3 04 2012 85 5 5 A c ou st ic c h arac t eris t ic c ur v es Index 5 1 Overall sound level 86 5 1 1 Outdoor unit 87 5 1 2 Indoor unit 89 ...

Page 86: ...urface 1 5 meter from floor level 2 Power supply a RAS 2 6 HVRN2 H V RNME AF 1 230V 50Hz b RAS 4 10 HRNME AF 3N 400V 50Hz N OT E The above data is measured in an anechoic chamber so reflected sound should be taken into consideration when installing the unit The data indicated is based on cooling mode In the case of heating mode the sound pressure level increases from 1 to 2 dB A Overall sound leve...

Page 87: ... detection Frequency Hz Frequency Hz Sound pressure level Cooling Night mode 45 43 dB A Sound pressure level Cooling Night mode 42 38 dB A RAS 4HVRNME AF RAS 5HVRNME AF Octave sound pressure dB C Cooling Heating Night shift Approximate threshold of continuous noise detection Octave sound pressure dB C Night shift Heating Cooling Approximate threshold of continuous noise detection Frequency Hz Freq...

Page 88: ...on Frequency Hz Frequency Hz Sound pressure level Cooling Night mode 48 45 dB A Sound pressure level Cooling Night mode 44 40 dB A RAS 5HRNME AF RAS 6HRNME AF Octave sound pressure dB C Night shift Heating Cooling Approximate threshold of continuous noise detection Octave sound pressure dB C Approximate threshold of continuous noise detection Night shift Heating Cooling Frequency Hz Frequency Hz S...

Page 89: ...nd pressure dB C Approximate threshold of continuous noise detection Heating Cooling Night shift Frequency Hz Frequency Hz Sound pressure level Cooling Night mode 52 50 dB A Sound pressure level Cooling Night mode 55 53 dB A 5 1 2 Indoor unit Model Sound pressure level dB A RWM 2 0 H FSN3E 29 RWM 3 0 H FSN3E 29 RWM 4 0 H FSN3E 28 RWM 5 0 H FSN3E 28 RWM 6 0 H FSN3E 28 RWM 8 0 H FSN3E 29 RWM 10 0 H ...

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Page 91: ...6 Working range TCGB0070 rev 3 04 2012 91 6 6 Wo rk ing ran ge Index 6 1 Temperature range 92 6 1 1 Heating mode 92 6 1 2 Cooling mode 93 ...

Page 92: ... 0 1 Maximum allowable water pressure MPa 0 3 6 1 1 Heating mode Space heating Heating space normal working area Water rule 0 2 2 2 Ambient temperature ºC WB Water outlet temperature ºC NOTE 2HP system only RAS 2HVRN2 RWM 2 0 H FSN3E Domestic Hot Water Tank heating Ambient temperature ºC WB DHWT water temperature ºC DHWT heating working area with combined boiler and or electric heater DHWT heating...

Page 93: ...ool heating Ambient temperature ºC WB Swimming pool water temperature ºC 6 1 2 Cooling mode Space cooling Refreshing floor working area Ambient temperature ºC DB Water outlet temperature ºC Fan coil working area NOTE 2HP system only RAS 2HVRN2 RWM 2 0FSN3E ...

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Page 95: ... TCGB0070 rev 3 04 2012 95 7 7 G ener al d imens ions Index 7 1 Dimensions 96 7 1 1 Indoor unit 96 7 1 2 Outdoor unit 98 7 1 3 Domestic Hot Water Tank 102 7 2 Service space 104 7 2 1 Indoor unit 104 7 2 2 Outdoor unit 104 ...

Page 96: ...all fixing holes wall fixing holes factory supplied No Part name No Part name 1 Plate heat exchanger 11 Manometer 2 Pump 12 Electrical box 3 Electric heater 13 LCD user s interface 4 Expansion vessel 14 Water inlet pipe 5 Water strainer 15 Water outlet pipe 6 Air purger 16 Refrigerant gas pipe 7 Low pressure switch 17 Refrigerant liquid pipe 8 Safety valve 18 Drain pipe 9 Flow switch 19 Shutdown v...

Page 97: ...nlet outlet connection factory supplied No Part name No Part name 1 Plate heat exchanger 11 Manometer 2 Pump 12 Electrical box 3 Electric heater 13 LCD user s interface 4 Expansion vessel 14 Water inlet pipe 5 Water strainer 15 Water outlet pipe 6 Air purger 16 Refrigerant gas pipe 7 Low pressure switch 17 Refrigerant liquid pipe 8 Safety valve 18 Drain pipe 9 Flow switch 19 Shutdown valve 10 Expa...

Page 98: ... Ø12 70 Ø6 35 Units mm No Part name Remarks 1 Air inlet 2 Air outlet 3 Holes for power supply wiring 4 Holes for control line wiring 5 Gas piping connection Øa flare nut 6 Liquid piping connection Øb flare nut 7 Service panel 8 Refrigerant piping hole 9 Drain hole 10 Drain hole 11 Earth terminal wiring M5 12 Holes for fixing machine to wall ...

Page 99: ...s 1 Air inlet 2 Air outlet 3 Service cover 4 Electrical switch box 5 Holes for refrigerant piping and electrical wiring piping 6 Drain holes 4 Ø24 7 Drain holes 1 Ø26 8 Holes for fixing machine to wall 4 M5 9 Refrigerant liquid pipe Flare nut Ø9 53 3 8 10 Refrigerant gas pipe Flare nut Ø15 88 5 8 ...

Page 100: ...ks 1 Air intake 2 Air outlet 3 Service cover 4 Electrical switch box 5 Holes for refrigerant piping and electrical wiring piping 6 Drain holes 3 Ø24 7 Drain holes 2 Ø26 8 Holes for fixing machine to wall 4 M5 9 Refrigerant liquid pipe Flare nut Ø9 53 3 8 10 Refrigerant gas pipe Flare nut Ø15 88 5 8 ...

Page 101: ... Units in mm No Part name Remarks 1 Air inlet 2 Air outlet 3 Service cover 4 Electrical switch box 5 Holes for refrigerant piping and electrical wiring piping 6 Drain holes 3 Ø24 7 Drain holes 2 Ø26 8 Holes for fixing machine to wall 4 M5 9 Refrigerant liquid piping Flare nut Øa 10 Refrigerant gas piping Flare nut Ø25 4 1 ...

Page 102: ... name DHWT200S 2 5H1E DHWT300S 2 5H1E A External diameter mm 620 620 B Total length without pipes mm 1205 1685 Kw Cold water input drain external thread in 1 1 ww Hot water output external thread in 1 1 z Recirculation external thread in 1 1 kv Heat Pump feed external thread in 1 1 kr Heat Pump return external thread in 1 1 eh Side screwed connection external thread in 1 1 2 1 1 2 Dimension i mm 7...

Page 103: ...ensor Part name DHWT200E 2 5H1E DHWT300E 2 5H1E A External diameter mm 620 620 B Total length without pipes mm 1205 1685 Kw Cold water input drain external thread in 1 1 ww Hot water output external thread in 1 1 z Recirculation external thread in 1 1 kv Heat Pump feed external thread in 1 1 kr Heat Pump return external thread in 1 1 eh Side screwed connection external thread in 1 1 2 1 1 2 Dimens...

Page 104: ...nded unit height for proper access to the control panel LCD user s interface h 350mm Minimum unit height for installing the shutdown valves and the first bending pipe line 7 2 2 Outdoor unit RAS 2HVRN2 RAS 3 6 H V RNME AF RAS 8 10 HRNME AF N OT E For the specific information please refer to Service Manual SMXX0070 ...

Page 105: ... 8 Ref r iger ant c y c le Index 8 1 RAS 2HVRN2 RWM 2 0 H FSN3E combination 106 8 2 RAS 3HVRNME AF RWM 3 0 H FSN3E combination 107 8 3 RAS 4 6 H V RNME AF RWM 4 0 6 0 H FSN3E combination 108 8 4 RAS 8 10 HRNME AF RWM 8 0 10 0 H FSN3E combination 109 ...

Page 106: ...e 15 Discharge gas thermistor 25 Water flow switch 35 Water IN thermistor 6 Strainer 1 4 16 Indoor unit heat exchanger 26 Safety valve 36 Gas pipe thermistor 7 Distributor 17 Strainer 27 Water strainer 37 Liquid pipe thermistor 8 Check joint 18 Indoor unit expansion valve 28 Shutdown valve 1 1 4 gas m 38 PHEX water outlet thermistor 9 High pressure switch protection 19 Manometer 29 Pressure port 3...

Page 107: ...pipe thermistor 27 Water pump 38 Water IN thermistor 6 Strainer 17 Discharge gas thermistor 28 Water flow switch 39 Gas pipe thermistor 7 Distributor 18 Receiver 29 Safety valve 40 Liquid pipe thermistor 8 Check joint 19 Indoor unit heat exchanger 30 Water strainer 41 PHEX water outlet thermistor 9 High pressure switch protection 20 Strainer 31 Shutdown valve 1 1 4 gas m 42 Drain pipe 10 Gas pipe ...

Page 108: ... Reversing valve 16 Discharge gas thermistor 27 Safety valve 38 Liquid pipe thermistor 6 Strainer 17 Indoor unit heat exchanger 28 Water strainer 39 PHEX water outlet thermistor 7 Distributor 18 Strainer 29 Shutdown valve 1 1 4 gas m 40 Drain pipe 8 Check joint 19 Indoor unit expansion valve 30 Pressure port 3 8 gas m 41 Expansion vessel drain port 9 High pressure switch protection 20 Manometer 31...

Page 109: ...ve for liquid line 31 Expansion vessel 44 Gas pipe thermistor 7 Strainer 19 Stop valve for gas line 32 Water pump 45 Liquid pipe thermistor 8 Strainer 20 High pressure switch protection 33 Water flow switch 46 PHEX water outlet thermistor 9 Distributor 21 Pressure switch control 34 Safety valve 47 Drain pipe 10 Distributor 22 Evaporator pipe thermistor 35 Water strainer 48 Expansion vessel drain p...

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Page 111: ...ion of refrigerant concentration 115 9 4 3 Countermeasure in the event of refrigerant leakage 116 9 5 Refrigerant pipe work 117 9 5 1 General notes before performing pipe work 117 9 5 2 Suspension of refrigerant and water pipes 117 9 5 3 Pipe work and connection 118 9 5 4 Brazing work 120 9 5 5 Refrigerant charge 120 9 6 Water pipe work and connection 120 9 6 1 General notes 120 9 6 2 Water piping...

Page 112: ...Indoor unit higher than outdoor unit 20 9 1 2 Refrigerant piping size Piping connection size of outdoor unit indoor unit Outdoor unit Pipe size Indoor Unit Pipe size Gas pipe Liquid pipe Gas pipe Liquid pipe RAS 2HVRN2 Ø 12 7 1 2 1 Ø 6 35 1 4 RWM 2 0 H FSN3E Ø 15 88 5 8 1 Ø 6 35 1 4 RAS 3HVRNME AF Ø 15 88 5 8 Ø 9 53 3 8 RWM 3 0 H FSN3E Ø 15 88 5 8 Ø 9 53 3 8 RAS 4H V RNME AF Ø 15 88 5 8 Ø 9 53 3 8...

Page 113: ...Nominal diameter Thickness mm Supply mm Inches Ø6 35 1 4 0 80 Roll Ø9 53 3 8 0 80 Roll Ø12 70 1 2 0 80 Pipe Roll Ø15 88 5 8 1 00 Roll Ø25 40 1 1 00 Roll Always use clean copper pipes with no signs of knocks or cracks Make sure there is no dust or dampness on the inside Before you install the pipes clean the inside with oxygen free nitrogen gas to eliminate any remains of dust or other subs tances ...

Page 114: ...d for the liquid pipe and bet ween 15 and 20 mm for the gas pipe Install the insulation after the pipe surface temperature has dropped to the same temperature as that of the room otherwise the insulation may melt Do not use insulating material that contains NH3 ammonium as it could damage the copper in the pipe and subsequently cause leaks Where the installer has supplied his own branches these sh...

Page 115: ...cording to EN378 1 Therefore some effective measure must be taken to lower the R410A concentration in air below 0 44 kg m in case of leakage 9 4 2 Calculation of refrigerant concentration 1 Calculate the total quantity of refrigerant R kg charged in the system by connecting all the indoor units in the rooms to be air conditioned 2 Calculate the room volume V m of each room 3 Calculate the refriger...

Page 116: ... size to the floor area 3 There must be a ventilator fan connected to a gas leak detector with a ventilator capacity of 0 4 m min or higher per Japanese refrigeration ton compressor displacement volume 5 7 m h of the air conditioning system using the refrigerant Outdoor unit model Tonnes RAS 3HVRN2 0 88 RAS 3HVRNME AF 1 05 RAS 4H V RNME AF 1 35 RAS 5 6 H V RNME AF 1 84 RAS 8HRNME AF 2 49 RAS 10HRN...

Page 117: ...nstallation is not completed until next day or over a longer period of time braze off the ends of the piping and char ge with oxygen free nitrogen through a Schrader valve type access fitting to prevent moisture and particle contamination Do not use insulation material that contains NH3 as it can damage copper pipe material and become a source of future leakage Completely insulate both refrigerant...

Page 118: ... cover must be removed follow chapter Indoor Unit Insta llation in reverse Piping location Refer to the figure below detailing the location of the refrigerant pipes dimensions and connection sizes N OT E There is a label behind the pipes indicating its circuit connection Refrigerant liquid pipe Refrigerant gas pipe Refrigerant liquid pipe Refrigerant gas piping Water inlet outlet pipe Water inlet ...

Page 119: ...ess 1 4 6 35 0 80 3 8 9 53 0 80 1 2 12 7 0 80 5 8 15 88 1 00 Dimensions of the flare nut units mm inch Nominal diameter External diameter B 1 4 6 35 17 3 8 9 53 22 1 2 12 7 26 5 8 15 88 29 Flare nuts tightening torque Always use two wrenches or fix spanners when tightening the Flare Nuts on the refrigerent pipes If any failure occurs during this process the result could be pipe damage or refrigera...

Page 120: ...ection 9 6 1 General notes Install the factory supplied Shutdown Valves for connecting the Water Inlet Outlet pipes as close as possible to the Indoor Unit in order to minimise flow resistance and if necessary for water flow regulation It is advisable to use flexible joints after the Shutdown Valve for the water Inlet Outlet piping to prevent the transmis sion of vibrations Proper Water pipe inspe...

Page 121: ...ct the indoor unit to the heating system by using flexible joints just bellow the valves G 1 1 4 connection Refer to the figure below detailing the location of the Water Pipes location dimensions and Connection sizes N OT E There is a label behind the pipes indicating its circuit connection Water inlet Water outlet Ref gas pipe Ref liquid pipe Flare Nut G 1 1 4 to the unit Shutdown valve factory s...

Page 122: ...sure back flow and back syphonage of non potable water into drinking water supply net The Check Valve should be field supplied Charge the water circuit until reaching a water pressure of 1 7 2 0 bar 1 8 bar recommended Fill in the circuit with water from the drinking water supply net The heating installation water must comply with EN directive 98 83 EC Non sanitary controlled water is not recommen...

Page 123: ...rder to avoid reading mistakes from different devices because of different tolerances or adjustment Check the pump performance curves Refer to the Pump Performance Curves to calculate the circuit s Water Flow depending on the actual Pressure Drop and the Heating Circuit type Heating Floor Radiators Fan Coils Selection of the pump speed The indoor unit pump should be adjusted according to Pressure ...

Page 124: ... 2012 124 9 7 Pressure charts RWM 2 0 10 0 H FSN3E RWM 2 0 H FSN3E RWM 3 0 H FSN3E Static pressure V3 V2 V1 Static pressure V3 V2 Water flow Water flow RWM 4 0 H FSN3E RWM 5 0 H FSN3E Static pressure V3 V2 V1 Static pressure V3 V2 V1 Water flow Water flow ...

Page 125: ... TCGB0070 rev 3 04 2012 125 9 RWM 6 0 H FSN3E RWM 8 0 H FSN3E Static pressure V3 V2 V1 Static pressure V3 V2 V1 Water flow Water flow RWM 10 0 H FSN3E Static pressure V3 V2 V1 Water flow N OT E V Pump motor speed V1 Low V2 Medium V3 High ...

Page 126: ... the hot water inlet and outlet valves to the water condenser 6 This DHWT must be fully air purged to avoid heating elements radiating the tank case without water 7 Apply thermal insulation on the hydraulic system pipes in order to avoid accidental injure due to excessive heat on piping surfaces and also to avoid heat losses 8 When the unit is stopped during shutdown periods and the ambient temper...

Page 127: ...g heating expansion is normal The volume of this discharge can be up to 3 of the storage tank s capacity The pressure regulator device must be working regularly depending on the quality of water in order to remove the lime s deposits and verify that it is not blockade A water leakage in the pressure protection device can exist The discharge pipe should be always open to the atmosphere free of fros...

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Page 129: ...f outdoor unit 131 10 1 3 Electrical connection of indoor unit 133 10 2 Setting of DIP switches and RSW switches 135 10 2 1 Outdoor unit 135 10 2 2 Indoor unit 138 10 3 Common wiring 143 10 3 1 Electrical wiring between outdoor and indoor unit 143 10 3 2 Wire sizes 144 10 4 Domestic Hot Water Tank 145 10 4 1 Electrical wiring connection 145 10 4 2 Wire size 145 ...

Page 130: ...1 RAS 5HVRNME AF 0 29 RAS 6HVRNME AF 0 29 RAS 8HRNME AF RAS 10HRNME AF Indoor unit Zmax Ω RWM 2 0 H FSN3E 1 RWM 3 0 H FSN3E 1 RWM 4 0 H FSN3E 1 0 24 RWM 5 0 H FSN3E 1 0 24 RWM 6 0 H FSN3E 1 0 24 RWM 8 0 H FSN3E 3N RWM 10 0 H FSN3E 3N N O TE In case of three phases connection Zmax is not considered Harmonics In relation to IEC 61000 3 2 and IEC 61000 3 12 the situation of harmonics for each model i...

Page 131: ... codes Contact your local authority in regards to stan dards rules regulations etc Check that the ground wire is securely connected N ote Check and test to ensure that if there is more than one source of power supply that all are turned OFF Be sure to use a dedicated power supply Never use a power supply shared by another appliance 10 1 2 Electrical connection of outdoor unit The correct electrica...

Page 132: ...ure strain relief 5 When routing out cable make sure that it does not obstruct mounting of the outdoor service cover Wiring Method Keep a distance between each wiring terminal and attach insulation tape or sleeve as shown in the figure Tape or sleeve Earth screw Rear cover Earth wire Power supply cable Control cable Wiring method with clamp 1 Insert the wires into the cord clamp and clamp them as ...

Page 133: ...electrical box base plate 3 Connect the transmission wires between the outdoor unit and the indoor unit to the terminals 1 and 2 on the terminal board 2 TB2 4 Fix the cable with the clamp supplied in the Electrical Box to ensure strain relief 5 When routing out cable make sure that it does not obstruct mounting of the outdoor service cover Wiring method Keep a distance between each wiring terminal...

Page 134: ...l terminal common for accessory devices 13 Swimming pool valve The air to water heat pump can be use to heat Swimming pool This output will be on when Swimming pool is activated 14 Earth Connection Terminal earth connection for accessories 15 Mixing valve close When a mixing system is required for a second temperature con trol these two outputs are necessary to control de mixing valve 16 Mixing va...

Page 135: ...setting dips switches first turn the power source off and then set the position of the dips switches In case of setting the switches without turning the power source off the contents of the setting are invalid Function of the of DIP switches and RSW switches DSW1 Test Run Function Setting position Setting before shipment 1 2 3 4 Test run for cooling 1 2 3 4 Test run for heating 1 2 3 4 Forced stop...

Page 136: ...nal input output selection signals set by PSW 1 2 3 4 5 6 caution The cancellation of the outdoor hot start control configuration could damage the compressor if it is usually used In that case the unit warranty will be void N ote Only for RAS 2HVRN2 units In case of using DHWT and Heat in summer operation DSW2 pin 4 needs to be on DSW3 Capacity setting Unit Setting position Unit Setting position R...

Page 137: ...n Setting position 2HP 3HP 4 5 6 HP 8 10 HP 230V setting before shipment 1 2 1 2 1 2 400V setting before shipment 1 2 1 2 Jumpers Jumper lead setting JP1 6 Setting before shipment JP1 JP2 JP3 JP4 JP5 JP6 1 0 0 1 1 1 0 Open 1 Short circuit The function selection using the jumper lead setting is shown in the table below Setting Function Details JP1 Not used JP2 Not used JP3 Not used JP4 Not used JP5...

Page 138: ...us display mode Note The mark indicates the dip switches positions No mark indicates pin position is not affected The figures show the settings before shipment or after selection Not used means that the pin must not be changed A malfunction might occur if changed caution Before setting dip switches first turn the power supply off and then set the position of dip switches If the swit ches are set w...

Page 139: ...ary switches DSW1 Not used DSW2 Unit capacity setting RWM 2 0 H FSN3E RWM 3 0 H FSN3E RWM 4 0 H FSN3E RWM 5 0 H FSN3E RWM 6 0 H FSN3E RWM 8 0 H FSN3E RWM 10 0 H FSN3E DSW3 Additional settings Setting before shipment N A not used N A not used 1 step heater for 3 phase unit N A Not used ...

Page 140: ...ooling operation 8 7 Outdoor sensor accessory 8 7 N A not used 8 7 Note Never activate Heater Forced OFF and Emergency operation heater at the same time caution Never turn all DSW4 dip switch pins ON If this happens the software of the unit will be removed DSW5 Internal configuration Not used DSW6 Internal configuration Not used DSW7 Internal configuration Not used DSW8 Internal configuration Not ...

Page 141: ...ng RSW3 Ten digits RSW4 Unit digits Led indications LED1 Pump operation Status LED1 Pump operation ON ON Power supply OFF OFF LED2 System heater operation Status LED2 System Heater or Boiler operation ON System Heater or Boiler operation OFF LED3 HSW Heater operation Status LED3 HSW Heater operation ON ON HSW Heater operation OFF OFF LED4 Operation status indication Status LED4 Thermo OFF OFF Ther...

Page 142: ...iring TCGB0070 rev 3 04 2012 142 LED5 Power supply indication Status LED5 Supply ON ON Supply OFF OFF LED6 Alarm indication Status LED5 Alarm ON ON flick Alarm OFF OFF LED7 Not used LED8 H Link transmission indication ...

Page 143: ...tube for field wiring is not used fix rubber bushes to the panel with adhesive All the field wiring and equipment must comply with local and international codes caution Pay attention to the connection of the operating line Incorrect connection may cause PCB failure RAS 3 6HVRNME AF RAS 4 6HVRNME AF Indoor Unit RWM 4 6FSN3E Indoor Unit RWM 3 6FSN3E Outdoor unit RAS 4 10 HRNME AF Outdoor unit RAS 2H...

Page 144: ... AF 18 4 0 mm RAS 5HVRNME AF 26 6 0 mm RAS 6HVRNME AF 26 6 0 mm RAS 4HRNME AF 3N 400V 50 Hz 7 2 5 mm 4 GND RAS 5HRNME AF 11 4 0 mm RAS 6HRNME AF 13 4 0 mm RAS 8HRNME AF 13 4 0 mm RAS 10HRNME AF 17 4 0 mm N ote GND Ground wire Types of switches Select the main switches in accordance with the following table Model Power supply Max Current A CB A ELB no of poles A mA RWM 2 0 H FSN3E 1 230V 50Hz 16 20...

Page 145: ...nt A Power supply cable size EH control cable size Sensor cable size EN60335 1 EN60335 1 EN60335 1 DHWT 1 230V 50Hz 15 2 5 mm 1 0 mm2 0 75 mm2 Type of switches Select the main switches in accordance with the following table Model Power supply Maximum current A CB A ELB nº of poles A mA DHWT 1 230V 50Hz 15 20 2 40 30 N ote CB Circuit Breaker ELB Earth Leakage Breaker Follow local codes and regulati...

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Page 147: ...s tal lati on c on figur ati on Index 11 1 Heating system configurations 148 11 1 1 System configuration 148 11 1 2 Typical installation samples 149 11 2 Cooling system configurations 154 11 3 Additional combinations 157 11 3 1 Swimming pool 157 11 3 2 Solar panel 157 ...

Page 148: ...coldest day of the year An auxiliary heater inside the unit is used to provide the additional heating required on cold days Example of Mono energy system Mono valent NOT E TA Outdoor ambient temperature ºC PH Heating capacity SP1 2 3 Heater steps Bivalent point can be set through the LCD user s interface Air to water heat pump EH capacity Air to water heat pump capacity Heat demand Air to water he...

Page 149: ...oor unit 2 Indoor unit 3 Heat exchanger 4 Electrical heater 5 Water pump primary 6 Valves factory supplied High Temperature 60ºC Low Temperature 35ºC R410a Installation example 2 Space heating and Domestic Hot Water Tank application Space heating using radiators fan coils or radiant floor applica tion with an optional room thermostat and domestic hot water tank combination Item Description 1 Outdo...

Page 150: ...nal F Mixing valve signal K Optional signal R410a High Temperature 60ºC Low Temperature 35ºC H20 Two2 WP2 Vmix Installation example 4 Two space heating applications High Low water temperature and Domestic Hot Water Tank Two space heating appli cations with optional Room Thermostat and Domestic Hot Water Tank heated by Heat Pump 6 9 E D F 10 2 3 4 5 6 7 8 A B C Item Description 1 Outdoor unit 2 Ind...

Page 151: ...Temperature 60ºC Low Temperature 35ºC H20 J Two3 H WP3 Boiler Boiler Signal N OT E When the unit is configured with a boiler in parallel a hydraulic separator or buffer tank has to be used to ensu re proper hydraulic balancing Additional Water pump WP3 and water sensor Two3 it is needed for this Option 2 With 3 way valve R410a H20 Two3 J WP3 H Boiler Boiler Signal 3wv G Item Description 1 Outdoor ...

Page 152: ... sensor signal Two3 accessory R410a High Tempera ture 60ºC Low Tempera ture 35ºC H20 EH 3wv DHWT Boiler Boiler Signal TDHWT DHWT J Two3 H WP3 Installation example 7 Two space heating applications High Low water temperature Combination with Boiler in parallel Two space heating application with a Room Thermostat as an option and Domestic Hot Water Tank heated by Heat Pump and boiler combi nation in ...

Page 153: ...cription 1 Outdoor unit 2 Indoor unit 3 Heat exchanger 4 Electrical heater 5 Water pump primary 6 Valves factory supplied 7 Domestic Hot Water Tank DHWT accessory 8 3 way valve for DHWT accessory 9 Second temperature kit accessory 10 Motorized valve field supplied 11 Boiler field supplied 12 Hydraulic separator accessory 13 Water pump field supplied 14 Hydraulic separator sensor acces sory A 3 way...

Page 154: ...ser s interface heating configuration will disappear Installation example 9 Direct space cooling installations Space cooling by Fan coil application with optional Room Thermostat Item Description 1 Outdoor unit 2 Indoor unit 3 Heat exchanger 4 Electrical heater 5 Water pump primary 6 Valves factory supplied R410a Low Temperature 5ºC Medium Tempe rature 21ºC Installation example 10 Space cooling Do...

Page 155: ...ample 12 Using Refreshing floor with heating Radiators closed Domestic Hot Water Tank Use refreshing floor for cooling and close Radiators using Valve with optional Room Thermostat and Domestic Hot Water Tank heated by Heat Pump R410a High Temperature 60ºC Medium Tempera ture 21ºC WP2 Two2 H20 Vmix EH DHWT 3 wv DHWT TDHWT Item Description 1 Outdoor unit 2 Indoor unit 3 Heat exchanger 4 Electrical ...

Page 156: ...Installation example 14 Two space cooling installations Fan coils Refreshing floor Domestic Hot Water Tank Space cooling application with optional Room Thermostat and Domestic Hot Water Tank heated by Heat Pump R410a Low Temperature 5ºC Medium Temperature 21ºC WP2 Two2 H20 Vmix EH DHWT 3 wv DHWT TDHWT Item Description 1 Outdoor unit 2 Indoor unit 3 Heat exchanger 4 Electrical heater 5 Water pump p...

Page 157: ... domestic water by means of the sun whenever the sun is available The solar option is designed to transfer the heat from the solar panels to the heat exchanger of the domestic hot water tank and is to be installed in the split air to water heat pump system as shown in the schemes below Option 1 The solar panels gather heat from the sun When the temperature of the glycol solution in the solar panel...

Page 158: ...kit s 3 way valve is diverted to the Sanitary Tank At the same time the DHW s 3 way valve is switched OFF and the heat pump continues working to heat the space R410a H20 Sensor solar 2 Field Supply DHWT Accessory Field Supply To HP combination options space heating swim ming pool Aux Heater Solar panel Field Supply IVX DHWT Solar Pump Control Solar Pump Feed back Sensor so lar 1 Field Supply Plate...

Page 159: ...12 Optional functions TCGB0070 rev 3 04 2012 159 12 12 O ptio nal func t ions Index 12 1 Optional functions of the indoor unit 160 ...

Page 160: ...is not sized for heating installation small water pump or when the system is configured to alternate when a boiler an hydraulic separator or buffer tank must be used to ensure proper hydraulic balancing In this case the hydraulic separator option can be enabled by the LCD user s interface From dip switch setting Electrical heater or boiler emergency mode In the event of outdoor unit failure the re...

Page 161: ...TCGB0070 rev 3 04 2012 161 13 Troubleshooting 13 Index 13 1 On screen during abnormal operation 162 13 2 Alarm codes 162 13 Tr ouble s hooti ng ...

Page 162: ...nnector 12 Indoor Water Outlet Thermistor Abnormality Loose disconnected broken or short circuited connector 13 Indoor Indoor Liquid Pipe Temperature Thermistor Abnormality Loose disconnected broken or short circuited connector 15 Indoor Water Outlet C2 thermistor Abnormality Loose disconnected broken or short circuited connector 14 Indoor Indoor Gas Pipe Temperature Thermistor Abnormality Loose d...

Page 163: ...broken 59 Outdoor Inverter Fin Temperature Thermistor Abnormality Loose disconnected broken or short circuited connector b1 Outdoor Error in Address Refrigerant System Setting Address refrigerant system setting over 64 EE Outdoor Compressor Factor Alarm Alarm to notify damage to compressor occurs 3 times within 6 hours 70 P 70 Indoor Hydraulic alarm Water pressure or water flow is not detected in ...

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Page 166: ...th the standard Hitachi Air Conditioning Products Europe S A is certified with ISO 9001 of AENOR Spain for its Quality Management accordance with the standard ISO 14001 of AENOR Spain for its Environmental Management systems accordance with the standard Hitachi certifies that our products have met EU consumer safety health and environmental requirements Hitachi Air Conditioning Products Europe S A...

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