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Hitachi RWM-(H)FSN3E Technical Catalogue

Hitachi RWM-(H)FSN3E Manual Online:

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Hitachi RWM-(H)FSN3E User Manual
Hitachi RWM-(H)FSN3E User Guide
Hitachi RWM-(H)FSN3E Online Manual

Text of Hitachi RWM-(H)FSN3E User Guide:

  • 4 Capacity and selection data TCGB0070 rev.3 - 04/2012 77 4 4.2 Maximum capacity tables 4.2.1 Maximum heating capacity (kW) System Water outlet temperature (ºC) Ambient temperature (ºC WB) -20 -15 -10 -5 0 5 10 15 20 CAP (kW) IPT (kW) CAP (kW) IPT (kW) CAP (kW) IPT (kW) CAP (kW) IPT (kW) CAP (kW) IPT (kW) CAP (kW) IPT (kW) CAP (kW) IPT (kW) CA

  • Hitachi RWM-(H)FSN3E, 5 Acoustic characteristic curves TCGB0070 rev.3 - 04/2012 88 RAS-6HVRNME-AF RAS-4HRNME-AF Octave sound pressure (dB(C)) Approximate threshold of continuous noise detection Night shift Heating Cooling Octave sound pressure (dB(C)) Cooling Heating Night shift Approximate threshold of continuous noise detection 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 pressur

  • Hitachi RWM-(H)FSN3E, 2  Features and benets TCGB0070 rev.3 - 04/2012 46  Maximum/minimum water temperature setting for space protection by Installer mode •  Heating circuit minimum/maximum temperature limits selection by installer: The installer will limit the space heating temperature set-point in order to prevent excessively high or low temperatures. Outdoor ambient temperature (ºC) Water outlet temperature set point ºC Tmaxh n Tminh n Minimum water temp Maximum water temp Water temperature setting example Outdoor ambient temperature(ºC) Water outlet temperature set-point (

  • Hitachi RWM-(H)FSN3E, General Index TCGB0070 rev.3 - 04/2012 VI 2.6  Maintenance benets................................................................................................................................51 2.6.1 Complete operation display by LCD user’s interface .................................................................................... 51 2.6.2 Front access to the electrical box .................................................................................................................. 51 2.6.3 Electrical box turns on itself .......................................................................................................................

  • Hitachi RWM-(H)FSN3E, 4 Capacity and selection data TCGB0070 rev.3 - 04/2012 83 4 Heating RAS-10HRNME-AF N O T E Theheatingcapacityshouldbecorrectedaccordingtothefollowingformula: THA=THxPH THA:Actualcorrectedheatingcapacity(kW) TH:Heatingcapacityfromheatingcapacitytable(kW). PH:Heatingpipinglengthcorrectionfactor(in%).  Cooling piping length correction factor N O T E Takenotethatthepipinglengthspeciedinthefollowinggraphicsistheequivalentpipinglength(EL),consid-

  • Hitachi RWM-(H)FSN3E, General Index TCGB0070 rev.3 - 04/2012 V General Index 1. General information ..................................................................................................... 11 1.1 General information ..................................................................................................................................12 1.1.1 General notes ................................................................................................................................................ 12 1.1.2 Introduction ......................................................................................

  • Hitachi RWM-(H)FSN3E, 7 General dimensions TCGB0070 rev.3 - 04/2012 95 7 7. G e n e r a l d i m e n s i o n s Index 7.1. Dimensions............................................................................................................................................96 7.1.1. Indoor unit .................................................................................................................................................. 96 7.1.2. Outdoor unit ............................................................................................................................................... 98 7.1.3. Domestic Hot Water Tank .................................

  • Hitachi RWM-(H)FSN3E, 4 Capacity and selection data TCGB0070 rev.3 - 04/2012 75 4  Cooling mode (only for RWM-(2.0-10.0)FSN3E) Procedure description Once veried that the selected system is able to cover all the heating needs, it is necessary to perform the same check for  cooling mode. Then, it is shown the calculation of the cooling capacity of the system. •  Step 1: Initial pre-selection Inlet/outlet water temperature 23/18 ºC Ambient temperature DB 30 °C Required cooling load 10.5 kW Installation restrictions Installation type Refreshing oor These conditions will determine the e

  • Hitachi RWM-(H)FSN3E, 2  Features and benets TCGB0070 rev.3 - 04/2012 45 2  Three different possible water temperature set-point conguration modes for each zone •  OTC Points: Water target is selected by an Outside Temperature Compensated (OTC) control that is dened by 4  different points (Minimum and maximum water outlet temperature vs Minimum and maximum outdoor ambient tempe- rature). Outdoor ambient temperature (ºC) Water temperature set point ºC (44) Ts

  • Hitachi RWM-(H)FSN3E, 1 General information TCGB0070 rev.3 - 04/2012 13 1  For summer time YUTAKI S system can be also used as cooling system for combination with fan-coils, refreshing oor or both (2nd. tem- perature area). For fan-coils: It is possible to cool the water up to 5ºC . For refreshing oor: It is possible to cool the water up to temperatures between 16 and 22ºC.  Domestic Hot Water (DHW) production YUTAKI S also give

  • Hitachi RWM-(H)FSN3E, 9  Piping work and  refrigerant charge TCGB0070 rev.3 - 04/2012 119 9  Dimensions of the ared pipe units: mm (inch) Nominal diameter External diameter A Ø +0/-0.4 (1/4) 6.35 9.1 (3/8) 9.53 13.2 (1/2) 12.7 16.6 (5/8) 15.88 19.7  Thickness of the copper pipes units: mm (inch) Nominal diameter External diameter Thickness (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 are nut units: mm (inch) Nominal diameter External diameter B (1/4

  • 10 Electrical wiring TCGB0070 rev.3 - 04/2012 139 10  Functions of dip switches and rotary 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.

  • Hitachi RWM-(H)FSN3E, 4 Capacity and selection data TCGB0070 rev.3 - 04/2012 73 4 •  Step 3: Calculation for the heating capacity of the combination (YUTAKI S system with electric heater) Once applied the applicable correction factors, the actual heating capacity provided by the RAS-4HVRNME-AF + RWM-4.0FSN3E system is 8.35 kW. This heating capacity does not cover the required heating load for the coldest days  (12.0 kW). In these cases, the electric heater will provide the auxiliary capacity required to cover temporary heating needs. The 

  • Hitachi RWM-(H)FSN3E, 2  Features and benets TCGB0070 rev.3 - 04/2012 50 2.5.3 Swimming pool combination control The swimming pool operation has the lowest priority of the system and only will be possible when space heating/cooling and DHWT are not required. When the swimming pool operation is required, the swimming pool pump starts to operate giving the swimming pool pump feedback. In this situation, the 3-way valve of the DHWT is not activated and the 3-way valve for the swimming 

  • Hitachi RWM-(H)FSN3E, TCGB0070 rev.3 - 04/2012 61 3 General data 3 3.4 Domestic Hot Water Tank Model DHWT200E-2.5H1E DHWT300E-2.5H1E DHWT200S-2.5H1E DHWT300S-2.5H1E Casing Color White Material Polypropylene jacked  Dimensions Packing Height mm 1450 1935 1450 1935 Width mm 640 640 640 640 Depth mm 640 640 640 640 Unit Height mm 1205 1685 1205 1685 Width mm 620 620 620 620 Depth mm 620 620 620 620 Weight Unit kg 85 130 60 85 Packed unit kg 95,5 141 70,5 111 Packing Material EPS CARTON Weight kg 10,5 11 10,5 11 Main component

  • Hitachi RWM-(H)FSN3E, 9  Piping work and  refrigerant charge TCGB0070 rev.3 - 04/2012 124 9.7 Pressure charts  RWM-(2.0-10.0)(H)FSN3E RWM-2.0(H)FSN3E RWM-3.0(H)FSN3E Static pressure V 3 V 2 V 1 Static pressure V 3 V 2 Water ow Water ow RWM-4.0(H)FSN3E RWM-5.0(H)FSN3E Static pressure V 3 V 2 V 1 Static pressure V 3 V 2 V 1 Water ow Water ow

  • Hitachi RWM-(H)FSN3E, 10 Electrical wiring TCGB0070 rev.3 - 04/2012 129 10 10. E l e c t r i c a l w i r i n g Index 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 indoor unit ...............................................................

  • Hitachi RWM-(H)FSN3E, 2  Features and benets TCGB0070 rev.3 - 04/2012 34  Fan unit Super high-stream fan The outdoor units have been designed with a new super high-stream fan of Ø544 mm, reducing the sound level and in- creasing its reliability, by the use of a three-blade design propeller. This fan is much more aerodynamic than earlier models. It has a greater surface area in contact with the air and a better turning angle, preventing turbulence and allowing the ventilator to be tted lower. Additionally, the rib structure synchronized with rotation ow from the fan reduces the air re

  • TCGB0070 rev.3 - 04/2012 63 3 General data 3 3.5.2 Outdoor unit  RAS-(2-6)(HVRN2/HVRNME-AF) Model RAS-2HVRN2 RAS-3HVRNME-AF RAS-4HVRNME-AF RAS-5HVRNME-AF RAS-6HVRNME-AF Heat exchanger Heat exchanger type - Multi-pass cross-nned tube Piping Material - Copper piping Outer diameter Ømm 8 7 7 7 7 Rows - 2 2 2 2 2 Number of tubes/coil - 44 76 134 134 134 Fin Material - Aluminum Pitch mm

  • Contents TCGB0070 rev.3 - 04/2012 C o n t e n t s General information Features and benets General data Capacities and Selection data Acoustic characteristic curves Working range General dimensions Refrigerant cycle Piping work and refrigerant charge Electrical wiring Installation congurations Optional functions Troubleshooting 1 2 3 4 5 6 7 8 9 10 11 12 13

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