Riello 20161608 Page 15 Installation And Technical Service Instructions Download | Manualshive

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15

INStAllAtION

9

If the unit is installed in a windy location, fit an anti-wind
grille to protect the fan and check the correct functioning of
the unit.

2.6 Recommended distances

The distances for the device installation and maintenance are
shown in the figure. The indicated spaces are necessary in order

to prevent the airflow from being blocked, as well as to allow
normal cleaning and maintenance operations to be carried out.

Single installations

1000

150

150

150

150

200

500

1000

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Summary of Contents for 20161608

Page 1: ...NXH 005 015 cod Doc 0096185 rev 0 05 2020 EN INSTALLATION AND TECHNICAL SERVICE INSTRUCTIONS ...

Page 2: ...NXH 011T 20161613 NXH 015T 20161614 ACCESSORIES For the complete list of accessories and the information relating to their usage combinations please refer to the catalogue Dear Technician We would like to congratulate you on having recommended a R unit a modern product that is capable of ensuring maximum comfort at length with a high degree of reliability efficiency quality and safety While your t...

Page 3: ...ng p 13 2 3 Dimensions and weight p 13 2 4 Handling and removal of the packing p 14 2 5 Place of installation p 14 2 6 Recommended distances p 15 2 7 Positioning p 16 2 8 Installation on old systems or systems in need of upgrading p 17 2 9 Hydraulic schemes p 17 2 10 Hydraulic connections p 18 2 11 System water filling and drainage p 21 2 12 Wiring diagrams p 22 2 13 Electrical connections p 30 2 ...

Page 4: ...sonally intervene on the appliance 9 The units contain refrigerant gas operate carefully so as to avoid damaging the gas circuit and the fin bank 9 Following the regulation EU UE n 517 2014 on certain fluor inated greenhouse gases is compulsory to indicate the re frigerant total amount in the installed system This infor mation is indicated on the unit nameplate 9 This unit contains fluorinated gre...

Page 5: ...ed on the cooling circuit with refrigerant temperature sensor on the compressor dis charge refrigerant temperature sensor on the compressor suction on the hydraulic circuit with water temperature sensors the detection of the water inlet and outlet temperature flow switch to ensure unit operation with correct water flow safety valve with intervention pressure 300 kPa The installer must necessarily ...

Page 6: ...obe 12 Pump release device 13 Water outlet temperature probe 14 Air bleeder valve 2 1 3 5 6 4 14 7 8 9 10 13 12 11 Model 011 015 1 Heat exchanger 2 Fan protection grille 3 Front panel 4 Compressor 5 Variable speed circulation pump 6 Reverse cycle valve 7 Electrical box 8 Flow switch 9 Expansion vessel 10 Safety valve 11 Water inlet temperature probe 12 Pump release device 13 Water outlet temperatu...

Page 7: ... panel 4 Compressor 5 Variable speed circulation pump 6 Reverse cycle valve 7 Electrical box 8 Flow switch 9 Expansion vessel 10 Safety valve 11 Water inlet temperature probe 12 Pump release device 13 Water outlet temperature probe 14 Air bleeder valve 2 3 1 4 5 6 7 14 8 12 9 10 13 5 11 ...

Page 8: ... 8 90 16 70 23 30 25 60 16 80 16 80 Compressor Compressor Type Rotary Minimum step 23 20 20 17 20 17 Refrigerant Type R410A Refrigerant charge kg 1 10 1 60 2 80 2 80 3 00 3 00 Adjustment Type Invertermodulatingvalve Fan Fan Type Axial Quantity no 1 1 2 2 2 2 Maximum airflow m h 2880 2880 6480 6480 6480 6480 Maximum speed rpm 560 660 820 820 820 820 Plant side heat exchanger Plant side heat exchang...

Page 9: ...7 59 9 43 10 24 Pdesignh 7 C kW 2 15 3 36 3 42 6 12 5 39 6 18 Pdesignh 12 C kW 1 01 1 51 4 28 3 93 4 33 10 24 Annual energycons kWh annum 1055 1317 2423 2539 2780 3300 Warm zone Low temperature 30 35 C Seasonal energyefficiency ns 230 259 230 225 232 225 SCOP kW kW 5 83 6 54 5 83 5 73 5 87 5 71 Pdesignh 7 C kW Pdesign at 2 C kW 3 60 5 00 8 70 10 20 8 40 9 80 Pdesignh 7 C kW 2 33 3 86 5 53 7 24 5 6...

Page 10: ...rature B Supply water temperature b C A C 25 15 5 5 15 25 35 45 15 20 25 30 35 40 45 50 55 60 65 1 10 Available static pressure NXH it is equipped with a variable speed circulation pump For sizing the system consider the residual head shown below in the graph MODEL 005 A Available head pressure B Water flow C High speed D Medium speed E Low speed 70 75 65 60 55 50 45 40 35 30 25 20 15 10 5 0 0 1 0...

Page 11: ...ow speed 70 75 65 60 55 50 45 40 35 30 25 20 15 10 5 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 C D E A kPa b l s MODEL 011 015 A Available head pressure B Water flow C High speed D Medium speed E Low speed 10 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 C D E A kPa b l s ...

Page 12: ...ending on the type of system the user fluid is sent to fan coil units air treatment units radiant panels for room air condi tioning or to the boiler for the production of domestic hot water 1 Compressor 2 Cycle reversal valve 3 Plate heat exchanger 4 Collector 5 Electronic expansion valve 6 Condenser coil 7 Intake separator 8 Service valva 9 Electric fans A Circulation pump B Safety valve C Flow s...

Page 13: ...airleads condensate drain connection 9 The Instruction book comes with the equipment and it should be taken read and kept carefully 9 The document envelope must be kept in a safe place Any duplicate must be requested from Riello S p A which re serves to charge the cost 2 2 Labels positioning A Package label B Transport label b A 2 3 Dimensions and weight L H P Model 005 007 011 015 011T 015T Packa...

Page 14: ... must be disposed of ac cording to the regulations in force The equipment is fixed to the pallet by 4 screws two at the front and two at the rear these must be removed 2 5 Place of installation The location of R NXH devices must be determined by the system s designer or by another competent person and must take into account the technical requirements as well as any current local regulations that r...

Page 15: ... unit 2 6 Recommended distances The distances for the device installation and maintenance are shown in the figure The indicated spaces are necessary in order to prevent the airflow from being blocked as well as to allow normal cleaning and maintenance operations to be carried out Single installations 1000 150 150 150 150 200 500 1000 1000 300 500 ...

Page 16: ... propriately sized anti vibration supports Provide for lifting of the unit from the floor 100 mm in case of installation in ordinary areas 300 mm in case of installation in very cold areas or subject to heavy snow 9 In case of installation in very cold areas or areas subject to heavy snowfall where freezing out is a possibility foresee appropriate antifreeze systems A Positioning in ordinary areas...

Page 17: ...y incorrect installation of the systems and failure to clean the hydraulic system 2 9 Hydraulic schemes Heat pumps require systems that guarantee a constant flow of fluid to the appliance within minimum and maximum values and with sufficient volumes to avoid disturbances to the refrig erant circuits and to guarantee the correct degree of comfort 0 0 IT IS FORBIDDEN to install the appliance in open...

Page 18: ...ts of the same model can be cascaded 2 10 Hydraulic connections The size and positioning of the hydraulic connections of R NXH are shown in the following table Before installation it is advisable to wash all the pipes of the system thoroughly to remove any processing residues MODEL 005 007 A System return B System delivery C Discharging 40 60 466 356 87 A b C ...

Page 19: ...kind are used an intermediate heat exchanger must be used Make sure to maintain the min water content possi bly adding a storage 9 If the unit works in a system with a boiler parallel instal lation when the boiler is working make sure that the water temperature inside the heat pump does not exceed 60 C Mandatory items install a removable mesh water filter at the inlet to the ap pliance in an area ...

Page 20: ...7 A B 8 9 8 10 11 12 13 8 8 8 8 14 14 15 16 16 17 17 The hydraulic connections must be completed by installing mesh filters available as an option Discharge tap additional expansion tank if necessary a suitably sized technical water storage tank filling group return and delivery thermometers air vent valves in the highest points of the pipes flexible elastic joints shut off valves shut off valves ...

Page 21: ...e metallic parts pipes or generators parts Is suggested to limit the conducibility val ue within 200 μS cm 0 0 It is forbidden to top up the system constantly or frequently as this can damage the heat exchanger of the appliance 2 11 2 System filling up 1 Filling valve 1 before starting the loading check that the drain cock is closed check that the vents in the system are open aprire i dispositivi ...

Page 22: ... speed CM Compressor FM1 Fan motor FR1 Compressor thermal relay PMV1 Electronic expansion valve motor TD Compressor discharge temper ature sensor TE Condenser coil temperature sensor TO Outdoor air temperature sen sor TS Suction temperature sensor YV41 Cycle inversion valve MOD 005 MOD 007 ...

Page 23: ...ommand interface EP90 Water pump RT1 System flow temperature sen sor RT2 System return temperature sensor TR Refrigerant temperature sen sor SP90F Flussostato TS Suction temperature sensor YV41 Cycle inversion valve consult the wiring diagram supplied with the unit ...

Page 24: ...r EP90 Water pump FR1 Compressor thermal relay RT1 System flow temperature sensor RT2 System return temperature sensor SP90F Flussostato TD Compressor discharge temperature sensor TE Condenser coil temperature sensor TO Outdoor air temperature sensor TS Suction temperature sensor YV41 Cycle inversion valve A001 A002 ...

Page 25: ...1 Compressor thermal relay PMV1 Electronic expansion valve motor TD Compressor discharge temperature sensor TE Finned coil temperature sensor 1 TL Finned coil temperature sensor 2 TO Outdoor air temperature sensor TS Suction temperature sensor YV41 Cycle inversion valve consult the wiring diagram supplied with the unit ...

Page 26: ...rd A2 Command interface EP90 Water pump RT1 System flow temperature sensor RT2 System return temperature sensor SP90F Flussostato TC Trasformer TR Refrigerant temperature sensor TS Suction temperature sensor consult the wiring diagram supplied with the unit ...

Page 27: ...e motor RT1 System flow temperature sensor RT2 System return temperature sensor SP90F Flussostato TC Trasformer TD Compressor discharge temperature sensor TE Finned coil temperature sensor 1 TL Finned coil temperature sensor 2 TO Outdoor air temperature sensor TS Suction temperature sensor YV41 Cycle inversion valve ...

Page 28: ...ump FM1 Fan motor FM2 Fan motor FR1 Compressor thermal relay PMV1 Electronic expansion valve motor TD Compressor discharge temperature sensor TE Finned coil temperature sensor 1 TL Finned coil temperature sensor 2 TO Outdoor air temperature sensor TS Suction temperature sensor YV41 Cycle inversion valve ...

Page 29: ... electronic board A2 Command interface EP90 Water pump RT1 System flow temperature sensor RT2 System return temperature sensor SP90F Flussostato TC Trasformer TR Refrigerant temperature sensor consult the wiring diagram supplied with the unit ...

Page 30: ...TC Trasformer TD Compressor discharge temperature sensor TE Finned coil temperature sensor 1 TL Finned coil temperature sensor 2 TO Outdoor air temperature sensor TS Suction temperature sensor YV41 Cycle inversion valve 2 13 Electrical connections NXH leave the factory completely wired and only requires connection to the power supply installation of a padlockable disconnector and connection of any...

Page 31: ...able clamps To access the control panel terminal blocks unscrew the fastening screws remove the access panel pass the power cable through the cable gland and fix it pass the cables for the auxiliary connections through the cable glands and secure them make electrical connections according to the diagrams be low MODEL 005 007 L N 10 10 L N 30 40 MODEL 1PH 011 015 L N MODEL 3PH 011T 015T 40 10 10 9 ...

Page 32: ... in the unit frame Once the electrical connections are complete reassemble all the components operating in reverse order Check that the characteristics of the electrical network are adequate for the absorption of the appliance also considering any other machinery in parallel operation the power supply voltage corresponds to the nominal val ue 10 with a maximum phase imbalance of 3 all disconnectio...

Page 33: ...alve DO 07 Electrical Heater EH 1 Boiler On O Neutral WUI 12V WUI 0V DI s Ground K001 A1 A2 Neutral K002 A1 A2 K003 A1 A2 Func on di1 di2 di3 di4 di6 di7 di8 Param Nb DHW_TT iat_type CHWST oat_type P502 P503 P504 P505 di5 P506 P507 P511 P510 cust_do9 cust_do8 P501 cust_di5 cust_di6 cust_di7 cust_di8 sfsw_typ P221 P206 1 2 3 4 5 6 7 9 10 11 12 13 13 13 13 14 15 16 17 Polarity WUI Remote 12V OV B B ...

Page 34: ...ool Heat remote Normal Eco remote Customized Customized Ground Sensor DHW Tank Temperature Sensor Chiller water System Temperature Sensor Indoor Air Temperature Room Sensor Outdoor Air Temperature Sensor DHW V diverting valve DO 07 Electrical Heater EH 1 Boiler On Off WUI 12V WUI 0V Ground Neutral Additonal pump Heater Ground JBUS JBUS Ground JBUS Customized 1 2 3 4 5 6 7 9 10 11 12 13 13 13 13 14...

Page 35: ... can be displayed on the display The panel can be used to set the temperature required for the system and for domestic hot water NXH can be controlled through Contro panel WUI REC10CH control panel External consents Contro panel WUI 1 Display 2 Function keys 1 2 Button Description Selection of the mode of occupation between At home Night Awayfrom home Selection of the operating mode from Off Heati...

Page 36: ... 13 14 15 17 16 Display indication Description Indication of the current dayof theweekfrom Monday MON to Sunday SUN Indication of the current time in 12h or24h format Indication that system control is based on ambient temperature In this case it is necessary to connect a room temperature probe or install the remote control panel available as an accessory Indication that system control is based onw...

Page 37: ...mode Notte is active Indication that the mode Fuori casa is active Indication of the desired temperaturevalue setpoint Indication that the integration electric heateris active Numbers 1 and 2 referto the activated stage Indication that the integration boileris active Fixed icon indication of intervention of an alarm that stopped the unit Flashing icon indication of intervention of an alarm that ha...

Page 38: ...odes To display the codes press any key to activate the control panel hold down the keys simultaneously and for 2 sec onds push or to scroll through the codes Two types of alarms are displayed CURRENT ALARM Alarm C1 Alarm code 16 PREVIOUS ALARM Previous alarm P1 Alarm code 15 To reset the alarms hold down the keys simultaneously and for 2 sec onds push or to select YEs hold down the keys simultane...

Page 39: ...serrorbecomespermanentafter4 attempts to complete the operation 1 Checkthe temperature sensor TL 104 13 TO invertersensorfailure Continue X The operation of the unit continues in emergencymode 1 Checkthe outdoortemperature sensor TO The sensorvalue is set at 30 Cin cooling 10 Cin heating the emergencymode is canceled when anyothervalue is detected by the TO sensor 108 14 Invertersuction temperatur...

Page 40: ...the supplyvoltage 2 Overload operation of the refrigeration cycle 130 65 The compressordoes not rotate Stop cpr X This errorbecomes permanent after8 attempts to complete the operation Errordetected in the following conditions Compressormotorlocking IPM compressorovercurrent at start up 1 Compressorproblems lockout etc Replace the compressor 2 Compressorwiring error open phase 132 70 Failure to rel...

Page 41: ...mes permanent after8 attempts to complete the operation 1 Checkthe supplyvoltage 231 76 Inverterheatsinktemperature too high Stop cpr X Thiserrorbecomespermanentafter4 attempts to complete the operation 1 Checkthe explosion path of the heatsink 78 OtherInvertererrors Continue X 79 Unknown errors Inverter Continue X 80 RTCfault on NHCboard Continue X 81 EEPROM damaged on board NHC Continue X 127 82...

Page 42: ...rs Par Modbus Sigla Description Field Default Unit Control panel CCN Table 001 0BBAH OAT OutdoorAirTemperature 40 0 115 6 RO RO No Force GENUNIT 002 IAT IndoorAirTemperature 40 0 115 6 GENUNIT 003 0BB8H EWT EnteringWaterTemperature inlet watertemperature 40 0 115 6 1 10 C RO RO No Force GENUNIT 004 0BB9H LWT LeavingWaterTemperature outlet watertemperature 40 0 115 6 1 10 C RO RO No Force GENUNIT 0...

Page 43: ...1 10 C RO RO No Force STATUS 049 USER_ADJUST_TEMP Temperature adjusted bythe user 5 0 5 0 1 10 K LOADFACT 050 IAT_OFFSET Offset IAT 4 0 4 0 1 10 K LOADFACT 051 1906H CTRL_PNT Control point 5 0 60 0 1 10 C RW RW Supervisor LOADFACT 052 CTRL_TMP Control temp 40 0 115 6 1 10 C LOADFACT 053 UI_INIT_REQUEST Userinterface initialization required 0 0 1 0 LOADFACT 061 COMPR_MODE_ REQUEST Compressormode re...

Page 44: ... DHW_DEMAND DHWrequest from the tank 0 1 DHW_STAT 204 DHW_CONDITIONS Conditions DHW 0 1 DHW_STAT 205 DHW_CONTROL_ POINT DHWcontrol point 30 0 60 0 1 10 C DHW_STAT 206 0800H DHW_TT DHWtanktemperature 40 0 115 6 1 10 C RO RO No Force DHW_STAT 207 SHC_TIMER Current SHCruntime min DHW_STAT 208 DHW_TIMER Current DHWruntime min MSL_STAT 209 DHW_EXCEPTION_ TIMER DHWexception timer 0 1440 min MSL_STAT 210...

Page 45: ...cal defrost not completed 11 Forced mechanical defrost request 12 Mechanical defrost in progress 21 Free defrost start 22 Free Defrost in progress 23 Free Defrost stopped 24 Free Defrost mode exit 312 DEF_DELTA_T_ REF_MD Defrost Delta T MD 0 0 30 0 K Inverter 313 DEF_DELTA_T_REF Defrost Delta T 0 0 30 0 K Inverter 314 DEF_DELTA_T Current defrost delta T K Inverter 315 DEF_FROST_FACTOR Frosting fac...

Page 46: ... RW RW F QCH_TEST on off 339 HP_MAX Maximum high pressure KPa 340 ALMRESET Alarm reset 0 1 RO QCH_TEST No sรฌ 341 ALM Alarm status 0 1 RW F ALARM Normal Alarm 342 ALERT Alert status 0 1 RO ALARM No sรฌ 343 SHUTDOWN State of arrest 0 1 RO ALARM No sรฌ 344 INV_ERROR_CODE Invertererror code 0 255 RO ALARM 345 INV_ERROR_ALPHA Invertererror Alpha 0 65535 RO ALARM 346 18A7H ALM_CODE_BITMAP1 Drive errorc...

Page 47: ...ng away water 10 0 5 0 1 10 K RW WAT_STP 404 DHW_ECO_STP DHWsetpoint ECO 45 0 1 10 C 405 DHW_ANTI_ LEGIONELLA_ DHWanti legionella setpoint 50 0 60 0 60 0 1 10 C RW WAT_STP 406 DHW_STP Setpoint DHW 30 0 60 0 50 0 1 10 C RW WAT_STP 407 COOL_OCC_WATER_ STP Home cooling setpoint water 5 0 18 0 12 0 1 10 C RW WAT_STP 408 COOL_UNO_WATER_ OFFSE Night cooling offset water 0 0 10 0 0 0 1 10 K RW WAT_STP 40...

Page 48: ...rInput 0 2 kWh pulse 14 or 14 EnergyMeterInput 0 1 kWh pulse 15 or 15 External alarm 1 RW GEN_CONF 503 CUST_DI6_TYPE Config DI 6 customized 0 RW GEN_CONF 504 CUST_DI7_TYPE Config DI 7 customized 0 RW GEN_CONF 505 CUST_DI8_TYPE Config DI 8 customized 0 RW GEN_CONF 506 01FAH CUST_DO8_TYPE Config DO 8 customized 1 RW RW No Force GEN_CONF 507 01FBH CUST_DO9_TYPE Config DO 9 customized 2 RW RW No Force...

Page 49: ...1934H POWER_LIMIT Powerlimitationvalue 50 100 75 RW RW No Force CMP_CONF 542 NIGHT_LIMIT Night limitationvalue 50 100 75 RW CMP_CONF 543 DHW_LIMIT DHWlimitationvalue 50 100 100 RW CMP_CONF 560 FLUID_TYPE Fluid type 1 2 1 Water minimum set point in cooling 5ฐC 2 Medium Brine minimum set point in cooling 0ฐC 1 561 EXTERNAL_PUMP_ CTRL External main pump control 0 1 No Yes 0 No RW PMP_CONF 562 FLOW_CH...

Page 50: ...MIN_TEMP_ COOL Minimum coolingwater setpoint 5 0 20 0 10 0 1 10 C RW RW No Force CLIMCURV 590 1905H CUST_MAX_TEMP_ COOL Maximum coolingwater setpoint 5 0 20 0 18 0 1 10 C RW RW No Force CLIMCURV 595 DRYING_START_ SETPOIN Drying start setpoint 20 0 40 0 20 0 1 10 C RW DRYING 596 DRYING_WARM_ UP_DAYS Heating drying days 0 99 3 RW DRYING 597 DRYING_RAMP_ UP_DAYS Days ramp upward drying 0 99 4 RW DRYI...

Page 51: ...er 0 RO 30RBVRQV 651 REFERENCE_NB Code number 0 30RBVRQV 653 050DH PIC_TYPE PICtype 30RV RO RO No Force 30RBVRQV 654 SOFT_VERSION_ NB Software number 0 RO 30RBVRQV 661 HOUR Time 0 23 0 RW Time 662 MINUTE Minute of the hour 0 59 0 RW Time 663 DAY_OF_WEEK Dayof theweek 1 7 1 Monday 2 Tuesday 3 Wednesday 4 Thursday 5 Friday 6 Saturday 7 Sunday 0 RW Time 664 HOLIDAY_FLAGS Flagvacancy 0 11111110 Bitmap...

Page 52: ...or thermistor3 Kฮฉ 0 RW DHW_CONF 720 DHW_TT_BIAS Bias DHWtanksensor 5 0 5 0 0 0 1 10 K RW DHW_CONF 721 DHW_DT_TO_ START Delta TACtankS 2 0 10 0 5 0 1 10 K RW DHW_CONF 722 DHW_DT_TO_ STOP Delta T EWT DHW shutdown 0 0 5 0 1 0 1 10 K RW DHW_CONF 741 MSL_CODE_ ACTIVATION Activation code master slave 0 MSL_CONF 742 MSL_SELECT Master slave enabling 0 2 0 Disabilitato 1 Master 2 Slave 0 RW MSL_CONF 743 S...

Page 53: ...Bus enabled 2 Modbus enabled 3 JBus specific foruserinterface 3 RW RW No Force JBUSCONF 762 0086H JBUS_ADDRESS Slave addressJBus 1 255 11 RW RW No Force JBUSCONF 763 0085H JBUS_BAUD_RATE Jbus communication speed 0 2 0 9600 Baud 1 19200 Baud 2 38400 Baud 0 RW No Force JBUSCONF 764 0087H JBUS_FRAME_ TYPE JBus structure type 0 5 0 No parity 1 stop bit 1 Odd parity 1 stop bit 2 Even parity 1 stop bit ...

Page 54: ... user to set the operating temperatures of the heating air conditioning and sanitary buffer tank 9 For the use of this control please refer completely to the specific manual Heat request management from room thermostat In systems where the REC10CH remote control panel is provided it is possible to manage the heat request to the heat pump di rectly from the room thermostat To activate this specific...

Page 55: ...with three phase power supply the compres sor s noise level must not be abnormal e g engine knock ing that the suction pressure does not exceed the discharge pressure if so invert a phase the current consumed by the compressor is less than the maximum permitted the device is operating under the recommended operating conditions the unit is able to stop and start up again the pump water flow is incl...

Page 56: ...ature setpoint local user interface according to your needs Please note that the temperature value can only be adjusted within the range defined for each occupation mode Possible configurations Setpoint WUI local WUI remote Room air probe Water Air The calculation of the water setpoint can be based on Predefined climatic curves based on the OAT climatic curves already defined in the control logic ...

Page 57: ... Night cooling offset P408 and the Away cooling offset P409 COOLING CLIMATIC CURVES RELATED TO WORKING MODE HOME 0 5 10 15 20 25 10 15 20 25 30 35 40 45 50 Home Sleep Away P409 P408 WSP C OAT C RISCALDAMENTO If the climatic heating curve P581 รจ configurata da 0 a 12 the water set point will be calculated on the basis of the selected heating climatic curve Twelve predefined heating climatic curves...

Page 58: ...e Night heating offset P402 and the Away heating offset P403 HEATING CLIMATIC CURVES RELATED TO WORKING MODE HOME 5 15 25 35 45 55 65 40 30 20 10 0 10 20 30 Home Sleep Away P403 P402 WSP C OAT C Fixed water setpoint If the cooling climate curve P586 or the heating climate curve P581 are configured to 1 the water control point will be de termined based on the occupation mode with direct access to t...

Page 59: ...g night P402 50 60 C Customized climatic curve COOLING If the cooling climate curve P586 is configured to 0 the wa ter setpoint will be calculated based on the customized cooling climate curve The customized cooling climate curve can be defined using the following parameters Parameter Description Default Min Max P587 OAT min customized 20 C 0 C 30 C P588 OAT maxcustomized 35 C 24 C 46 C P589 Perso...

Page 60: ...old the water setpoint is equal to the minimum personalized wa ter temperature P584 If the minimum OAT is greater than or equal to the current maximum OAT threshold the water setpoint is equal to the customized minimum water temperature P584 Climatic curve offset default and customized Two other parameters are configurable to adjust the water set point according to customer needs for the cooling c...

Page 61: ...61 Functions HEATING CLIMATIC CURVES WITH OFFSET IN THE UPPER PART 5 15 25 35 45 55 65 40 30 20 10 0 10 20 30 P412 OAT C WSP C ...

Page 62: ...el requires specific know how in the electrical hydronic and mechanical sectors The frequency of this maintenance level can be monthly or year ly depending on the type of verification Under these conditions the following maintenance work is rec ommended Perform all level 1 operations then perform Electrical checks At least once a year tighten the electrical connections of the power circuit see tab...

Page 63: ... 00 Self tapping screwD 4 2mm Sheet metal parts plastic grid and electrical components 4 20 Self tapping screwD 3mm Mounting the deflectoron the front panel 2 00 Self tapping screwM6 Fan sub assemblyand assemblyof the frame on the feet 7 00 ScrewM8 Waterpump unit on the partition panel 15 00 Gas nutD D1 e D1 1 4 Inlet and outlet group of heat pump pipes 70 00 Gas nut D1 2 Waterfilling system and n...

Page 64: ...ion the filter components installed in the VFD can distort the measurement and can also be damaged If there is a need to check the insulation of the components of the appliance fan motors and pumps cables etc the VFD must be disconnected from the power circuit 4 7 Refrigerant volume The unit must be started in cooling mode to find out if the unit load is correct by checking the actual subcooling A...

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Page 68: ...l 39 0442 630111 fax 39 0442 630371 www riello it As the manufacturer is constantly improving its products the aesthetic or dimensional features the technical data the equipment and accessories indicated could be subject to variations ...

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