HTW ECO-THERMAL R32 HTW-V12WD2N8 Data Book Download Page 7

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Unit Capacities

Table 1-2.1:M-Thermal Mono unit capacity range and unit appearances

Capacity

5kW

16kW

Model

(HTW-)

V5WD2N8

V7WD2N8

V12WD2N8

V16WD2N8

V16WD2RN8

Appearance

Notes:

1. The presence or omission of the letter R in the model names indicates the unit’s power supply:

R: 3-phase, 380-415V, 50Hz; Omitted: 1-phase, 220-240V, 50Hz.

Nomenclature

Refrigerant

N8: R32

Power Supply
R: 3-phase, 380-415V, 50Hz
Omitted: 1-phase, 220-240V, 50Hz

Compressor and fan motor types
D2: All DC
Unit category
W: Outdoor unit
Capacity index
The capacity in kW

Inverter

HTW

12kW

7kW

Summary of Contents for ECO-THERMAL R32 HTW-V12WD2N8

Page 1: ...ECO THERMAL R32 HTW V5WD2N8 HTW V7WD2N8 HTW V12WD2N8 HTW V16WD2N8 HTW V16WD2RN8 EN DATABOOK Please read carefully this manual before using the product Thank you...

Page 2: ...CONTENTS Part 1 General Information 3 Part 2 Engineering Data 19 Part 3 Installation and Field Settings 48...

Page 3: ......

Page 4: ...Part 1 General Information 1 M Thermal Mono System 4 2 Unit Capacities 6 3 Nomenclature 6 4 System and Design Unit Selection 7 5 Typical Applications 9 3...

Page 5: ...rature radiators to provide space heating and to the domestic hot water tank to provide domestic hot water The 4 way valve in the outdoor unit can reverse the refrigerant cycle so that the hydronic sy...

Page 6: ...nt at which the heat pump is able to provide sufficient capacity When the ambient temperature is below this equilibrium point as shown in Figure 1 1 2 the backup electric heater supplies the required...

Page 7: ...nce or omission of the letter R in the model names indicates the unit s power supply R 3 phase 380 415V 50Hz Omitted 1 phase 220 240V 50Hz 3 Nomenclature T 16 H W V W D2 R N8 Refrigerant N8 R32 Power...

Page 8: ...humidity Water outlet temperature1 Altitude Anti freeze fluid Is corrected M Thermal Mono unit capacity Required total heat load on outdoor units2 Yes No M Thermal Mono system selection is complete Se...

Page 9: ...unt of the following considerations Choose heat emitters that allow the heat pump system to operate at as low a hot water temperature as possible whilst still providing sufficient heating Make sure th...

Page 10: ...it stops Figure 1 5 1 Space heating Legend 1 Outdoor unit 7 Room thermostat field supplied 2 Plate heat exchanger 8 External circulator pump field supplied 3 Backup electric heater customized 9 Distri...

Page 11: ...lied 2 Plate heat exchanger 11 Bypass valve field supplied 3 Backup electric heater customized 12 Domestic water tank field supplied 4 Internal circulator pump 13 Heat exchanger coil 5 Stop valve fiel...

Page 12: ...ace cooling and domestic hot water Legend 1 Outdoor unit 10 Two way valve field supplied 2 Plate heat exchanger 11 Distributor field supplied 3 Backup electric heater customized 12 Collector field sup...

Page 13: ...xchanger 10 Collector field supplied 3 Backup electric heater customized 11 Bypass valve field supplied 4 Internal circulator pump FHL 1 n Floor heating loops field supplied 5 Stop valve field supplie...

Page 14: ...3 Backup electric heater customized 11 Collector field supplied 4 Internal circulator pump 12 Domestic water tank field supplied 5 Stop valve field supplied 13 Heat exchanger coil 6 User interface 14...

Page 15: ...p electric heater customized 11 Collector field supplied 4 Internal circulator pump 12 Domestic water tank field supplied 5 Stop valve field supplied 13 Heat exchanger coil 6 User interface 14 Immersi...

Page 16: ...stic hot water with auxiliary heat source providing additional heating Legend 1 Outdoor unit 9 Mixing station field supplied 2 Plate heat exchanger 10 Distributor field supplied 3 Backup electric heat...

Page 17: ...ied 2 Plate heat exchanger 11 Collector field supplied 3 Backup electric heater customized 12 Bypass valve field supplied 4 Internal circulator pump FHL 1 n Floor heating loops field supplied 5 Stop v...

Page 18: ...0 Immersion heater 2 Plate heat exchanger 11 Motorized 3 way valve field 3 Backup electric heater customized 12 Two way valve field supplied 4 Internal circulator pump 13 Distributor field supplied 5...

Page 19: ......

Page 20: ...ing Data 1 Specifications 20 2 Dimensions and Center of Gravity 26 3 Piping Diagrams 28 4 Wiring Diagrams 29 5 Capacity Tables 35 6 Operating Limits 47 7 Hydronic Performance 48 8 Sound Levels 50 9 Ac...

Page 21: ...24 SEER 7 LWT at 7 C 4 71 LWT at 18 C 7 61 Compressor Type Poles Speed range rps Capacity at 60rps kW Input at 60rps kW Max heating frequency Hz Max cooling frequency Hz Outdoor fan Motor type Number...

Page 22: ...2 2 2 Operating temperature range Cooling C 5 to 43 Heating C 25 to 35 DHW C 25 to 43 LWT range Cooling C 5 to 25 Heating C 25 to 60 DHW C 40 to 60 Abbreviations MOP Maximum overcurrent protection MCA...

Page 23: ...LWT at 7 C 4 85 LWT at 18 C 7 50 Compressor Type Twin rotary DC inverter Poles 6 6 Speed range rps 12 102 12 120 Capacity at 60rps kW 13 38 Input at 60rps kW 4 40 Max heating frequency Hz 92 92 Max co...

Page 24: ...46 Heating 25 to 35 DHW 25 to 43 LWT range Cooling 5 to 25 Heating 25 to 60 DHW 40 to 60 Abbreviations MOP Maximum overcurrent protection MCA Minimum circuit amps DHW Domestic hot water EWT Entering...

Page 25: ...Outdoor fan Motor type Brushless DC motor Number of fans 2 2 2 Air flow m 3 h 6150 6250 6250 Air side heat exchanger Type Finned tube Number of rows 2 2 2 Number of circuits 9 9 9 Abbreviations MOP M...

Page 26: ...43 LWT range Cooling 5 to 25 Heating 25 to 60 DHW 40 to 60 Abbreviations MOP Maximum overcurrent protection MCA Minimum circuit amps DHW Domestic hot water EWT Entering water temperature LWT Leaving w...

Page 27: ...2 Dimensions and Center of Gravity HTW V5WD2N8 HTW V7WD2N8 Figure 2 2 1 HTW V5 7 W D2N8 dimensions and center of gravity unit mm 26...

Page 28: ...HTW V12WD2N8 HTW V16WD2N8 HTW V16WD2RN8 Figure 2 2 2 HTW V12 16 WD2 R N8 dimensions and center of gravity unit mm 27...

Page 29: ...0 Backup heater optional 11 Flow switch 12 Discharge gas sensor 13 Outdoor temperature sensor 14 Evaporation sensor in heating Condenser sensor in cooling 15 Refrigerant inlet liquid pipe temp sensor...

Page 30: ..._c SV2 CN25 RUN AHS CN40 CN41 CN22 CN2 CN21 CN1 CN31 q CN24 SV1 SV3 PUMP_i MR3 L PRO H PRO XS3 XP3 XS4 XP4 CN13 CN24 Main control board for 1phase Sw 1 Sw 2 Sw 3 CN37 MAIN BOARD1 Flow switch E Heating...

Page 31: ...ease refer to INS TALLATION OWNER S MANUAL RESE RVE D RESE RVE D RESE RVE D RESE RVE D 3 Method 1 is only applied for four pipe room thermostat CODE PART NAME Compressor COMP Figure 2 4 1 HTW V5 7 W D...

Page 32: ...O W RED RED WHITE ORANG E BLUE BLUE WHITE HEAT P_S ALARM SV2 RUN AHS E Y HYDRO BOX CONTROL BOARD XP6 R1 XT3 RE D YELLO W R BLA BL YELLOW MR3 U V W A1 A2 A3 MR1 ZR1 MR8 CT1 BROWN CN30 CN10 CN22 SW5 ON...

Page 33: ...ipment must be grounded T3 T4 T5 T6 Tp B 25 50 4100K R 25 10k B 25 50 3950K R 90 5k 2 0 Normal display OFF 0 ON frequency 1 Mode 0 O ff 2 Cool 3 Heat 4 Force Cool Fan speed Sequence Content CODE PART...

Page 34: ...5 BROW N BLUE Y G CN22 CN2 Sv1 Sv3 GREEN PUMP_i CN1 A1 A2 A3 REACTOR CAP3 YELLOW YELLOW XT3 BLACK RED CN22 EEV CT1 CAP1 C AP2 CN30 CN31 CN32 L1 L2 L3 RED ZR1 BLACK CN36 L1 CN37 L2 CN38 L3 BLACK WHITE...

Page 35: ...2 Content Normal display OFF 0 ON T1 ShowTwout WhenT1 invalid and includingT1 is not set orT1 fault Capacity requirements 1 Mode 0 O ff 2 Cool 3 Heat 5 Heat water S1 ON 3 4 2 1 ON 3 4 2 1 ON 3 4 2 1 O...

Page 36: ...Peak heating capacity values do not take account of capacity drops caused by frost accumulation and during defrosting Table 2 5 2 HTW V5WD2N8 heating capacity integrated values 1 Outdoor air temp LWT...

Page 37: ...values do not take account of capacity drops caused by frost accumulation and during defrosting Table 2 5 4 HTW V7WD2N8 heating capacity integrated values 1 Outdoor air temp LWT C 30 35 40 45 50 55 60...

Page 38: ...y values do not take account of capacity drops caused by frost accumulation and during defrosting Table 2 5 6 HTW V12WD2N8 heating capacity integrated values 1 Outdoor air temp LWT C 30 35 40 45 50 55...

Page 39: ...ty values do not take account of capacity drops caused by frost accumulation and during defrosting Table 2 5 8 HTW V16WD2N8 heating capacity integrated values 1 Outdoor air temp LWT C 30 35 40 45 50 5...

Page 40: ...values do not take account of capacity drops caused by frost accumulation and during defrosting Table 2 5 10 HTW V16WD2RN8 heating capacity integrated values 1 Outdoor air temp LWT C 30 35 40 45 50 5...

Page 41: ...6 6 1 9 3 51 6 5 2 1 3 12 25 6 6 0 9 7 40 6 6 1 2 5 63 6 5 1 4 4 76 6 5 1 5 4 32 6 5 1 7 3 78 6 4 1 9 3 35 20 6 3 0 8 7 75 6 2 1 1 5 90 6 2 1 2 4 99 6 2 1 4 4 52 6 1 1 5 3 96 6 1 1 7 3 51 15 5 8 0 7...

Page 42: ...ature C CC Total cooling capacity kW PI Power input kW Table 2 5 13 HTW V16WD2RN8 cooling capacity 40 Table 2 5 12 HTW V16WD2N8 cooling capacity Outdoor air temp LWT C 22 18 15 13 10 7 C DB CC PI EER...

Page 43: ...at source only Figure 2 6 2 Cooling operating limits Abbreviations T4 Outdoor temperature C T1 Leaving water temperature C Notes 1 The maximum operating temperature of the 5 7 kW model is 43 Figure 2...

Page 44: ...e 2 7 1 HTW V5 7 WD2N8 hydronic performance 1 Abbreviations ESP External static pressure Notes 1 I II and III indicate water pump speed I Low II Medium III High 0 10 20 30 40 50 60 70 0 0 5 1 1 5 2 2...

Page 45: ...V12 16 WD2 R N8 hydronic performance 1 Abbreviations ESP External static pressure Notes 1 I II and III indicate water pump speed I Low II Medium III High 0 10 20 30 40 50 60 70 80 90 0 0 5 1 1 5 2 2 5...

Page 46: ...nt noise Figure 2 8 1 Sound pressure level measurement unit mm 1000 H 1000 2 Front 2 dB A is the maximum value tested under the conditions below Outdoor air temperature 7 C DB 85 R H EWT 30 C LWT 35 C...

Page 47: ...band center frequency Hz Figure 2 8 3 HTW V7WD2N8 octave band levels Octave band sound pressure level dB A Cooling in rated frequency Outdoor air temperature 35 C DB EWT 12 C LWT 7 C Heating in rated...

Page 48: ...r frequency Hz 10 0 10 20 30 40 50 60 70 80 90 100 110 120 31 5 63 125 250 500 1000 2000 4000 8000 46 Figure 2 8 7 HTW V16WD2N8 octave band levels Octave band sound pressure level dB A Cooling in rate...

Page 49: ...C LWT 7 C Heating in rated frequency Outdoor air temperature 7 C DB 85 R H EWT 30 C LWT 35 C Heating in rated frequency Outdoor air temperature 7 C DB 85 R H EWT 47 C LWT 55 C NR 90 NR 80 NR 70 NR 60...

Page 50: ...red controller 1 1 Tighten belt for customer wiring use 0 2 3 3 Thermistor for domestic hot water tank or additional heating source 1 1 Extension wire for T5 1 0 9 2 Optional Accessories Table 2 9 2 O...

Page 51: ......

Page 52: ...Preface to Part 3 58 2 Installation 59 3 Water Pipework 64 4 Electrical Wiring 68 5 DIP Switch Settings 72 6 Internal Circulator Pump Speed Settings 72 7 User Interface Field Settings 73 8 Climate Re...

Page 53: ...ta Book the term applicable legislation refers to all national local and other laws standards codes rules regulations and other legislation that apply in a given situation 1 3 Precautions All system i...

Page 54: ...outside of a unit submit a written report to the shipping company Check that the model specifications and quantity of the units delivered are as ordered Check that all accessories ordered have been in...

Page 55: ...and or backup electric heater that the temperature sensor wiring length limitations will not be exceeded Outdoor units should be installed in locations where the noise from the unit will not disturb...

Page 56: ...may occur 2 7 Base Structure Outdoor unit base structure design should take account of the following considerations A solid base prevents excess vibration and noise Outdoor unit bases should be const...

Page 57: ...eat exchangers is essential for outdoor units to function properly Figures 3 1 8 and 3 1 9 show the minimum spaces that must be allowed between units and the minimum distances from obstacles in front...

Page 58: ...mm HTW V5W D2N8 HTW V7W D2N8 1500 500 150 300 HTW V12W D2N8 HTW V16W D2N8 HTW V16W D2RN8 2000 1000 150 300 Figure 3 2 11 Multi row installation Table 3 2 4 Multiple row installation spacing requiremen...

Page 59: ...of 1 5 bar To assure proper operation of the unit the pre pressure of the expansion vessel might need to be adjusted Refer to Table 3 3 1 The total volume of water in the system must be at least 25L f...

Page 60: ...xpansion vessel pre pressure Inappropriate setting of the expansion vessel pre pressure will lead to malfunctioning of the system Pre pressure should only be adjusted by a licensed installer If the ex...

Page 61: ...he water system is filled with a concentration of glycol as mentioned in the table below When glycol is added to the system the performance of the unit will be affected The correction factor of the un...

Page 62: ...anometer indicates a pressure of approximately 2 0 bars Remove air in the circuit as much as possible using the air purge valve Air in the water circuit could lead to malfunction of the backup electri...

Page 63: ...nt and suitably qualified certified and accredited professionals and in accordance with all applicable legislation Electrical systems should be grounded in accordance with all applicable legislation O...

Page 64: ...hot water tank field supplied requires a dedicated power circuit for the immersion heater Secure the wiring in the order shown below Lay out the electrical wiring so that the front cover does not ris...

Page 65: ...erface K SV1 Motorized 3 way valve field supplied D Room thermostat field supplied L Domestic water tank field supplied E Auxiliary heating source field supplied M Immersion heater field supplied F P_...

Page 66: ...or outdoor unit AC 2 GND 1Ph 5 7kW 2 GND 1Ph 12 16kW 3 GND 3Ph 12 16kW 31A 1Ph 5 7kW 31A 1Ph 12 16kW 15A 3Ph 12 16kW 4mm 2 1Ph 5 7kW 6mm 2 1Ph 12 16kW 4mm 2 3Ph 12 16kW 16 Power supply wire for backup...

Page 67: ...Figure 3 6 1 Internal circulator pump The pump has an LED operating status display This makes it easy for the technical engineer to search for the cause of a fault in the system If the LED display li...

Page 68: ...sensitive keys as detailed in Table 3 7 1 Figure 3 7 1 User interface Table 3 7 1 User interface keys Keys Function MENU Go to the menu structure on the home page Navigate the cursor on the display N...

Page 69: ...MAX T4HMAX t_DHWHP_RESTRICT T4HMIN dt1SH dTSH TIMER RUNNING t_INTERVAL_H DISINFECT PUMP RUNNING TIME T4AUTOCMIN T4AUTOHMAX WATER FLOW TEMP ROOM TEMP ROOM THERMOSTAT MODE SETTING DUAL ROOM THERMOSTAT 7...

Page 70: ...heater and it is to be controlled by the M Thermal Mono unit select YES If the tank has a heater but it is not to be controlled by the M Thermal Mono unit select NON Note If YES is selected the M Ther...

Page 71: ...above which the heat pump providing heated water to the DHW tank When T5S T5 dT5_ON the heat pump providing heated water to the DHW tank If NON is selected for TANK HEATER on the DHW MODE SETTING menu...

Page 72: ...65 the immersion heater is off T4_TBH_ON sets the ambient temperature above which the immersion heater will not be used t_TBH_DELAY sets the delay between the compressor starting and the immersion he...

Page 73: ...s have elapsed Figure 3 7 13 illustrates the effects of t_DHWHP_MAX and t_DHWHP_RESTRICT when DHW PRIORITY is enabled The heat pump initially runs in DWH mode After t_DHWHP_MAX minutes T5 has not reac...

Page 74: ...AX can take is 43 C For HTW V12 16 W D2N8 the highest value that T4CMAX can take is 46 C T4CMAX is the cooling mode upper ambient temperature operating limit of the heat pump Refer to Figure 3 7 16 T4...

Page 75: ...l not operate in heating mode The lowest value that T4CMIN can take is 25 C which is the heating mode lower ambient temperature operating limit of the heat pump Refer to Figure 3 7 20 dT1SH When T1S 4...

Page 76: ...3 7 25 Figure 3 7 25 T4AUTOCMAX T4AUTOCMIN Abreviations HP Heat pump AHS Additional heating source IBH Backup electric heater T4CMAX The ambient temperature above which the heat pump will not operate...

Page 77: ...AT sets whether or not room thermostats are installed For installations with room thermostats select YES For installations without room thermostats select NON MODE SETTING sets whether the room thermo...

Page 78: ...onship between operation of the backup heater and the ambient is shown in Figure 3 7 30 dT1_IBH_ON sets the temperature difference between the heat pump s leaving water set temperature T1S and the hea...

Page 79: ...ure T1 above which the additional heating source is on When T1S T1 dT1_AHS_ON the additional heating source is on dT1_ASH_OFF sets the temperature difference between the heat pump s leaving water set...

Page 80: ...numerical values The maximum length of the phone numbers is 13 digits The black rectangle found between 0 and 9 when scrolling up and down using is converted to a blank space when the phone numbers ar...

Page 81: ...T CHECK menu 7 14 3 AIR PURGE operation MENU FOR SERVICEMAN TEST RUN AIR PURGE The AIR PURGE operation is used to remove air from the water piping When the air purge operation starts the 3 way valve o...

Page 82: ...pressing OK If any error code is displayed during the cool mode running operation the cause should be investigated Refer to Part 3 9 Error Code table 7 14 6 HEAT MODE RUNNING operation The HEAT MODE...

Page 83: ...e start up the unit or restart the unit after a long time stop 7 15 2 AIR PURGE MENU FOR SERVICEMAN SPECIAL FUNCTION AIR PURGE Once installation is complete it is important to run the air purge functi...

Page 84: ...gure 3 7 49 Figure 3 7 49 Preheating for floor Abreviations t_interval_H Compressor re start delay in space heating mode Refer to Part 3 7 6 HEAT MODE SETTING Menu Whilst the preheating for floor oper...

Page 85: ...T DATE sets the floor drying up operation start date The heat pump s leaving water set temperature during the floor drying up operation is illustrated in Figure 3 7 52 During the floor drying up opera...

Page 86: ...ermined by the outdoor temperature In each mode each curve from the eight curves in the user interface can be selected The relationship between outdoor ambient temperature T4 and leaving water set tem...

Page 87: ...g mode and curve 6 is default in ECO mode Figure 3 8 4 Low temperature curves for cooling mode 1 Leaving water set temperature C Outdoor ambient temperature C Notes 1 It only has the curves of the hig...

Page 88: ...r ambient temperature C Notes 1 It only has the curves of the low temperature setting for cooling if the high temperature is set for cooling 2 Curve 4 is default in high temperature cooling mode and c...

Page 89: ...ommunication error between refrigerant system main control chip and inverter driver chip H2 Water side heat exchanger refrigerant inlet liquid pipe temperature sensor error H3 Water side heat exchange...

Page 90: ...l compressor frequency differs from target frequency by more than 15Hz protection Pb Water side heat exchanger anti freeze protection Pd High temperature protection of refrigerant outlet temperature o...

Page 91: ...ssible negative consequences for the environment and health deriving from inappropriate disposal and enables the constituent materials to be recovered to obtain significant savings in energy and resou...

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