Ferroli OMNIA S HYBRID C 3.2, Installation, Use & Maintenance Manual

Page 1: ... R I G E R A N T G A S R32 D L Y E C Cod 3542B250 Rev 00 02 2022 INSTALLATION USE AND MAINTENANCE MANUAL EN OMNIA S HYBRID C 3 2 INDOOR WALL UNIT FOR HYBRID REVERSIBLE SPLIT HEAT PUMP WITH INSTANT DHW PRODUCTION 3542B250 ...

Page 2: ...t do not use the unit Contact the supplier The unit and its accessories must be appropriately disposed of in com pliance with current regulations The images given in this manual are a simplified representation of the product In this representation there may be slight and insignificant dif ferences with respect to the product supplied The CE marking certifies that the products meet the essential re...

Page 3: ...ection with separate pipes 36 7 6 4 Use of flexible hose pipe Ø50 and Ø60 38 7 6 5 Connection to collective chimneys 39 7 7 Connection to boiler condensate discharge 40 7 8 Electrical connections 40 7 8 1 Electrical data 40 7 8 1 Opening the front panel 42 7 8 2 User terminal block connections 42 H L1 C Digital inputs for room thermostat 42 7 8 2 Connection of system add ons 43 7 8 3 How to access...

Page 4: ...t 68 11 4 Turn on the unit 68 11 5 System delivery water setpoint setting 68 11 5 1 Heating mode 68 11 5 2 Cooling mode 69 11 6 Setting DHW temperature production 69 12 TROUBLESHOOTING 69 12 1 General guidelines 70 12 2 General symptoms 70 12 3 Heat pump error codes 71 12 4 Boiler fault codes 74 13 MAINTENANCE 76 13 1 Access to internal components 77 13 2 Water load and system hydraulic pressure a...

Page 5: ...s sories made by the supplier which are specifically designed for the equipment and make sure to get installation done by a professional All the activities described in this manual must be carried out by a licensed technician Be sure to wear adequate personal protection equipment such as gloves and safety glasses while installation the unit or carrying out maintenance activities Contact your deale...

Page 6: ...igerant charge shall be used Pipework should be protected from physical damage Installation of pipework shall be kept to a minimum If the total refrigerant charge in the system mc is 1 842 kg there are no additional minimum floor area require ments If the total refrigerant charge in the system mc is 1 842 kg you need to comply with additional minimum floor area requirements as described in the fol...

Page 7: ...equirements VAmin It must be as close as possible to the floor If the ventilation opening starts from the floor the height must be 20mm The bottom of the opening must be situated 100mm from the floor At least 50 of the required opening area must be situated 200 mm from the floor The entire area of the opening must be situated 300 mm from the floor Top opening The area of the top opening must be la...

Page 8: ...3 3 1 24 0 76 177 3 1 24 0 86 200 3 1 24 0 96 223 3 5 1 45 0 45 105 3 5 1 45 0 55 128 3 5 1 45 0 65 152 3 5 1 45 0 75 175 4 1 66 0 24 57 4 1 66 0 34 80 4 1 66 0 44 103 4 1 66 0 54 127 4 5 1 87 0 03 8 4 5 1 87 0 13 32 4 5 1 87 0 23 55 4 5 1 87 0 33 78 5 2 07 0 03 6 5 2 07 0 13 30 Sub table mc 2 3 kg Sub table mc 2 4 kg Sub table mc 2 5 kg AroomA m2 mmax kg dm mc mmax kg VAmin cm2 AroomA m2 mmax kg ...

Page 9: ...e to equipment falling Make certain that all electrical work is carried out by qualified personnel according to the local laws and regu lations and this manual using a separate circuit Insufficient capacity of the power supply circuit or improper electrical construction may lead to electric shocks or fire Be sure to install a ground fault circuit interrupter according to local laws and regulations...

Page 10: ...ysical sensory or mental capabilities or lack of experience and knowledge if they are supervised or given instruction on using the unit in a safe manner and understand the hazards involved Children should not play with the unit Cleaning and user main tenance should not be done by children without supervision Young children should be supervised to ensure that they do not play with the appliance If ...

Page 11: ...e can be well ensured Places where the units piping and wiring lengths come within the allowable ranges Places where water leaking from the unit cannot cause damage to the location Places where rain can be avoided as much as possible Do not install the unit in places often used as a work space In case of construction work e g grinding etc where a lot of dust is created the unit must be covered Do ...

Page 12: ...d Be sure the heat pump is grounded In order to avoid electric shock make sure that the unit is grounded and that the earth wire is not connected to gas or water pipe lightning conductor or telephone earth wire Do not operate the heat pump with a wet hand An electric shock may happen Do not place items which might be damaged by moisture under the indoor unit Condensation may form if the humidity i...

Page 13: ...em which involves exposing any pipe work that contains or has contained flammable refrigerant shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion All possible ignition sources including cigarette smoking should be kept sufficiently far away from the site of installation repairing removing and disposal during which flammable refrigerant can possibly ...

Page 14: ...for the equipment in use Intrinsically safe components are the only types that can be worked on while live in the presence of a flammable atmosphere The test apparatus shall be at the correct rating Replace components only with parts specified by the manufacturer Other parts may result in the ignition of refrigerant in the atmosphere from a leak 12 Cabling Check that cabling will not be subject to...

Page 15: ... Pump down refrigerant system if possible e If a vacuum is not possible make a manifold so that refrigerant can be removed from various parts of the system f Make sure that cylinder is situated on the scales before recovery takes place g Start the recovery machine and operate in accordance with manufacturer s instructions h Do not overfill cylinders No more than 80 volume liquid charge i Do not ex...

Page 16: ... A highly versatile system which can operate in very cold climate conditions external air up to 25 C The split cooling circuit avoids the risk of freezing for outdoor installations in very cold climates The user interface consists of a digital controller built into the indoor unit equipped with a large display and simple setting commands Wall flue gas exhaust in the cases pertaining to Italian Leg...

Page 17: ...tch via an external contact in this case the unit will operate in the way set via the controller keyboard HEATING COOLING via external contacts The unit can be activated and deactivated in cooling and heating mode via 2 external contacts e g zone thermostat that manages the request for cooling and heating remote switch ECO Possibility of warmly defining the time bands and relative setpoint for the...

Page 18: ...ed hydraulic kit Hydraulic kit accessory A These two valves are not part of the kit since they are part of the standard supply with the indoor unit 2 4 2 Fittings cover kit The fittings cover kit is available on request code 016009X0 to add an aesthetic cover of the wall hydraulic connections The kit consists of a galvanised metal panel in the same colour as the unit to be fastened with 4 screws u...

Page 19: ...r in 47 C out 55 C A35W18 source air in 35 C d b system water in 23 C out 18 C A35W7 source air in 35 C d b system water in 12 C out 7 C Outdoor unit technical data 4 6 8 10 UM Power supply 220 240 1 50 V ph Hz Type of compressor Twin Rotary DC No compressors No refrigeration circuits 1 1 no Exchanger type finned coil Fan type DC axial No of fans 1 no Refrigerant fittings liquid line 1 4 SAE Ø 6 3...

Page 20: ...ts mod 4 6 an adapter from 3 8 SAE to 1 4 SAE is supplied for the liquid line Ø 6 35 Weight refers to basic unit without accessories 3 2 ERP data NOTE Efficiency class calculated according to the European regulation 811 2013 The values refer to a unit without any optionals or accessories Model 4 6 8 10 UM Efficiency class in heating low temperature produced water 35 C 187 191 200 201 ηs A class av...

Page 21: ...C33 C43 C53 C63 C83 C93 B23 B33 PAESI DI DESTINAZIONE CATEGORIA GAS D De es sc cr riiz ziio on ne e Portata termica max riscaldamento Portata Termica min riscaldamento Potenza Termica max risc 80 60 C Potenza Termica min risc 80 60 C Potenza Termica max risc 50 30 C Potenza Termica min risc 50 30 C Portata Termica max sanitario Portata Termica min sanitario Potenza Termica max sanitario Potenza Te...

Page 22: ...gime At full load At part load In standby mode Standby heat loss Ignition burner power consumption Annual energy consumption Sound power level Emissions of nitrogen oxides Declared load profile Water heating energy efficiency class from A to F Daily electricity consumption Annual electricity consumption Water heating energy efficiency Daily fuel consumption Annual fuel consumption Trademark FERROL...

Page 23: ...s Water flow rate l h Available pressure kPa 3 5 2 Heat pump circulator 40 50 60 70 80 UI OMNIA HYBRID C 08 Prev_utile_senza rub _CIRC PDC kPa Prev_utile_con rub _CIRC_PDC kPa 0 10 20 30 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 without valves with valves Water flow rate l h Available pressure kPa 3 5 3 Boiler circulator 30 40 50 60 70 UI OMNIA...

Page 24: ... fig 7 dimensional data and connections 7 Gas inlet Ø 3 4 8 DHW outlet Ø 1 2 9 DHW inlet Ø 1 2 10 System delivery Ø 3 4 11 System return Ø 3 4 14 Safety valve and system drain 74 System filling tap A6 Condensate drain connection G Gas line Ø 15 88 5 8 L Liquid line Ø 9 52 3 8 For combination with outdoor units mod 4 6 an adapter from 3 8 SAE to 1 4 SAE is supplied for the liquid line Ø 6 35 ...

Page 25: ...turn 14 Safety valve 16 Fan 17 Non return valve 32 Boiler circulator 34 Boiler outlet temperature probe 36 Automatic air vent 42 DHW temperature probe 44 Gas valve 56 Expansion vessel 74 System filling tap 81 Ignition ionization electrode 95 Boiler diverter valve 114 System water pressure transducer 136 Boiler flow meter 145 Hydrometer 186 Boiler outlet temperature probe 191 Fume temperature senso...

Page 26: ...loor radiator only heating in zones G Gas Line L Liquid Line P_o External pump not supplied assess the need to install based on the system water load loss controlled by the heat pump SV2 Three way valve for heating cooling zone not supplied T1_c Tn_c Cooling request room thermostat not supplied T1_h Tn_h Heating request room thermostat not supplied TWR Heated towel rail integration in bathroom if ...

Page 27: ...m operating area for indoor unit WARNING There is flammable refrigerant in the unit and it should be installed in a well ventilated site Be sure to adopt adequate measures to prevent the unit from being used as a shelter by small animals Small animals making contact with electrical parts can cause malfunction smoke or fire Please instruct the cus tomer to keep the area around the unit clean The eq...

Page 28: ...8 Ø8 Ø3 5 Ø3 5 20 38 5 12 Wall fastening bracket fig 12 minimum operating area for indoor unit CAUTION The indoor unit should be installed in an indoor water proof place or the safety of the unit and the operator cannot be ensured The indoor unit is to be wall mounted in an indoor location that meets the following requirements The installation location is frost free The space around the unit is ad...

Page 29: ...SAE Refrigerant gas connection 5 8 5 8 5 8 5 8 SAE Standard refrigerant load R32 1 5 1 5 1 65 1 65 kg Indoor unit 6 10 UM Liquid refrigerant connection 3 8 1 3 8 1 3 8 3 8 SAE Refrigerant gas connection 5 8 5 8 5 8 5 8 SAE 1 For matching with outdoor units mod 4 6 a reduction fitting from 3 8 SAE to 1 4 SAE is provided for liquid line Ø 6 35 Refrigeration connections 4 6 8 10 UM Liquid refrigerant...

Page 30: ...gas or poisonous gas 7 3 Refrigerant connections Comply with the following indications when connecting the refrigerant pipes Make sure that the refrigerant pipes can withstand the refrigerant maximum pressure PS 4 3MPa Make sure there is no any dirt or water before connecting the piping to the outdoor and indoor units Wash the pipes with high pressure nitrogen never use refrigerant of outdoor unit...

Page 31: ...e flares are the right shape Wipe off the liquid soap with a rag Reduce the pressure of the nitrogen in the circuit by loosening the charge pipe from the bottle Having reduced the pressure disconnect the nitrogen bottle CAUTION The airtight testing should never use any oxygen flammable gas or poisonous gas G L L G 25 C 45 C OU IU G L L G 25 C 45 C OU IU fig 17 Airtight test and leakage detection 7...

Page 32: ...rubber The manufacturer declines any liability for damage caused to the generator by failure to properly clean the system NOTE Since the fittings of the indoor unit are brass and brass is a material that deforms easily use suitable tools to connect the hydraulic circuit Unsuitable tools may damage the pipes Make the connections to the respective points see fig 7 dimensional data and connections on...

Page 33: ...nit Before connecting the unit to the plant wash adequately the pipes using clean water filling and emptying and cleaning the filters Only after that proceed connecting the unit to the plant this operation is crucial to ensure proper start up without the need to have repeated stops to clean the filter with the possible risk of damage to heat exchangers and other components Check by qualified perso...

Page 34: ...e water circuit The recommended maximum changeover time of the valve should be less than 60 seconds 7 4 6 Water circuit anti freeze protection All internal hydronic parts are insulated to reduce heat loss Insulation must also be added to the field piping The software contains special functions using the heat pump and backup heater to protect the entire system against freezing When the temperature ...

Page 35: ...LL IF THERE ARE PRESSURES IN THE FUME DISCHARGE PIPES OVER 200 Pa CLASS H1 FLUES MUST BE USED 7 6 1 Warnings The appliance is a type C with a sealed chamber and forced draft the air inlet and smoke outlet must therefore be connected to one of the evacuation extraction systems indicated below Before installation check and strictly comply with the relevant provisions Also respect the provisions on t...

Page 36: ...discharge The input output terminals must be either concentric or close enough to be subjected to similar wind conditions within 50 cm C3X Vertical extraction and exhaust on the roof Input output terminals as for C12 C5X Wall or roof mounted separate extraction and discharge pipes and in any case in different pressure zones The discharge and extraction pipes must not be positioned on opposite faci...

Page 37: ...f separate pipes Maximum length allowed 70 meq Table 8 Accessories Losses in meq Air extraction Fumes exhaust Vertical Horizontal Ø 80 PIPE 1 m M F 1KWMA83W 1 0 1 6 2 0 BEND 45 M F 1KWMA65W 1 2 1 8 90 M F 1KWMA01W 1 5 2 0 PIPE JOINT with test port 1KWMA70W 0 3 0 3 TERMINAL air wall mounted 1KWMA85A 2 0 fumes wall mounted with wind cowl 1KWMA86A 5 0 FLUE Split air fumes 80 80 010027X0 12 0 Fumes on...

Page 38: ...etres of flue Ø80 mm on the extraction with the maximum flue length with Ø50 and Ø60 see fig 23 Diagram for pipe installation with flexible pipes only on page 38 fig 23 Diagram for pipe installation with flexible pipes only A Ø50 22 m MAX Ø60 60 m MAX Follow the indications shown below to use this diameter Enter the TSP parameter menu and change the value of the P68 parameter to the value of the l...

Page 39: ...must be specifically designed by profession ally qualified technical personnel in compliance with current standards and be suitable for sealed chamber appliances equipped with a fan Anti backflow check valve The boiler is standard fitted with a check valve anti backflow system therefore it can be connected to collective chimneys under positive pressure only if it operates with G20 gas Parameter P6...

Page 40: ... LEAKAGE OF COMBUSTION FUMES THE CONDENSATE DRAIN MUST BE CONNECTED TO THE SEWER SYSTEM SO THAT THE LIQUID IN IT CANNOT FREEZE fig 26 Condensate drain connection 7 8 Electrical connections 7 8 1 Electrical data Table 10 Electrical data Indoor unit MOD 6 10 Supply voltage 220 240V 50 Hz Automatic switch recommended A 2 The customer must install the automatic circuit breaker Communication cable betw...

Page 41: ...rovement effect but also may cause abnormal heating of the capacitor due to high frequency waves Never install a phase advancing capacitor as it could lead to an accident WARNING Before any operation which requires removing the cover disconnect the indoor unit from the power supply through the main switch HAZARD Do not touch the electrical components in any case with the closed main switch There i...

Page 42: ...ory testing Reserved P Serial Modbus For serial connection to the outdoor unit Q AND A Serial Modbus For connection to the external monitoring system BMS or remote control B AND H For connection to room thermostats For details see the following paragraph H L1 C Digital inputs for room thermostat L1 C H L1 C Digital inputs for room thermostat If the digital inputs H L1 C are enabled by parameter 6 ...

Page 43: ...mperature control sent with mixing valve SV3 if in stalled and water temperature probe Tw2 if installed Open Open Off zone 1 and zone 2 B E P Q E H L1 C TZ1 TZ2 fig 32 Method C thermostat 2 zones NOTE The wiring of the thermostat should correspond to the settings of the user interface 7 8 2 Connection of system add ons The unit can manage system add ons such as an external circulation pump zone 1 ...

Page 44: ...e probe on liquid refrigerant side of the indoor unit heating mode B T2B Port for temperature probe on gas refrigerant side of the indoor unit heating mode B TW_in Port for temperature probe of inlet water of plate exchanger B TW_out Port for temperature probe of outlet water of plate exchanger B T1 Port for final temperature probe of outlet water from indoor unit B 11 CN24 Tbt1 Port for water tem...

Page 45: ...ndoor reserve system electric heater 1 B 17 N 18 N SV3 mixer valve 3 way valve zone 2 2 19 3ON 20 3OFF 25 CN2 TBH_FB Port for automatic circulator switch of TBH shortcircuited by default 26 CN1 IBH1 2_FB Port for automatic circulator switch of IBH shortcircuited by default 27 CN22 IBH1 Control port for indoor reserve system electric heater 1 IBH2 Reserved TBH Control port for electric resistance D...

Page 46: ...ation In this case the system works normally according to the set parameters Smart grid operation This operation is usually dependent of a smart grid request by the mains electricity which basically informs the system that the deliverable electric power is decreas ing for example in the case of electricity production systems through wind or photovoltaic farms The heat pump can support the system i...

Page 47: ... Switch off short press switches of DHW or Z1 or Z2 de pending on the selection pressure 5 sec switches off everything DHW Z1 Z2 SW6 UP VALUE Increases DHW Z1 Z2 set temperature Increases the parameter value selected in the menu SW7 DOWN VALUE Decreases DHW Z1 Z2 set temperature Decreases the parameter value selected in the menu 8 2 Meaning of display icons 1 2 3 4 5 6 7 8 10 11 15 14 12 13 9 17 1...

Page 48: ... period active 15 Delivery set point Delivery set point zone 1 Delivery set point zone 2 Delivery set point single zone without Z1 Z2 on the side Delivery set point zone 1 if Z1 on the side Delivery set point zone 2 if Z2 on the side If only the single zone is configured Z1 Z2 will not be shown on the side If the dual zone is configured either Z1 or Z2 will always be shown on the side to indicate ...

Page 49: ...2 buttons to select the set point press the SW6 SW7 buttons to change the set point confirm the modified value with the SW3 button Zone Z1 set point Type of terminal selected Heat setpoint min max Cool setpoint min max FLH radiant floor 25 55 18 25 FCU fancoil RAD radiator 25 65 5 25 To change the zone Z1 set point proceed as follows press the SW1 SW2 buttons to select the set point press the SW6 ...

Page 50: ... access the boiler menu and select the line Boiler menu The menu is structured in multiple levels as shown in the following table Level 1 Level 2 Level 3 Level 4 Description Lower limit Upper limit Remedy Unit of meas urement Default value Service Password 1234 TSP see Menu for modifying the TSP param eters on page 51 b01 P69 boiler parameters Test AutoSetip Diagnostic CH1 temp delivery probe temp...

Page 51: ...tact function selection 0 Flow meter exclusion 1 System thermostat 2 Second Room thermostat 3 Warning Notification 4 Thermostat safety device 2 b07 LC32 relay board operation selection 0 External gas valve 1 Alarm 2 System loading solenoid valve 3 Solar 3 way valve 4 Second heating pump 5 Alarm2 6 Burner on 7 Antifreeze active 0 b08 Hours without DHW withdrawal 0 24 hours time for temporary deacti...

Page 52: ...ented b01 2 P50 Not implemented b01 2 P51 Solar switch off temperature 0 100 C 10 P52 Solar start temperature 0 100 C 10 P53 Solar wait time 0 255 seconds 10 P54 System pre circulation time 0 60 seconds 30 P55 System filling method 0 Disabled 1 Automatic 0 P56 System pressure minimum limit value 0 8 bar 10 Only for boilers with water pressure sensor 4 P57 System nominal pressure value 5 20 bar 10 ...

Page 53: ...he event YES NO NO Event 2 Time Start time hh mm 00 00 23 59 1 min hh mm 00 00 Event 3 Temperature Water temperature setpoint 5 25 1 C 8 Event 4 Event 5 Event 6 Friday Event 1 Enabled y n Enable the event YES NO NO Event 2 Time Start time hh mm 00 00 23 59 1 min hh mm 00 00 Event 3 Temperature Water temperature setpoint 5 25 1 C 8 Event 4 Event 5 Event 6 Saturday Event 1 Enabled y n Enable the eve...

Page 54: ...l the sources for fast DHW heating the function is automatically disabled and stays disabled when the setpoint is reached None ON OFF None Tank Heater state Enabled Y N yes no activate the DHW boiler electric heating element None ON OFF None Dhw Pump Circ T1 Enabled y n S t a r t hh mm if yes it is possible to set the start time and then the pump will operate for a time defined in the parameter t_...

Page 55: ...heating mode is enabled disabled during the holidays ON OFF ON From Date first day of holiday 01 01 2000 01 06 2099 01 01 2021 Until Date last day of holiday 01 01 2000 01 06 2099 01 01 2021 Backup Heater state Bckp Heat On Off Enabling and disabling of back up electric heater 1 ON 2 OFF None ON OFF None Service Informa tion Parameters Main Set Temp system temp set point temp based on selected mod...

Page 56: ...me Run time since last compressor start up 1 min Compr Run Time Tot Total run time of compressor 1 h Exp Valve Open Opening steps of expansion valve 0 500 1 STEP Fan Speed Fan speed 0 650 10 RPM Unit Target Freq Compressor frequency requested by indoor unit 1 Hz Freq Lim Type Diagram of frequency limitation Supply Voltage Supply voltage 0 450 1 V Dc Gener Voltage DC bus voltage 0 255 1 V Dc Gener ...

Page 57: ...imatic curve for zone 1 in heating mode Clim Curve Sel to select the climatic curve in heating mode Z2 Cool Mode Enabled to select the climatic curve in cooling mode Clim Curve Sel to select the climatic curve in heating mode Z2 Heat Mode Enabled y n Enables the climatic curve for zone 2 in heating mode Clim Curve Sel to select the climatic curve in heating mode When the climatic curves are enable...

Page 58: ... to validity at the end of the holiday period The set point is not valid but the value still appears on the main page Error code User menu Service information sError code In this menu you can consult the chronological list of the last 10 alarms the first in the list is the last one complete with the date and time of the intervention Error List Code error codes Date date of the event Hh Mm time of ...

Page 59: ...wmax The external air temperature to which the heat pump can operate for the heating of the DHW heater 35 43 1 C 43 1 9 T4Dhwmin The minimum external air temperature to which the heat pump can operate for the heating of the DHW heater 25 30 1 C 10 1 10 T_Interval_Dhw The minimum switch off time interval of the compressor between 2 start ups in DHW mode 5 5 min 5 1 11 Dt5_Tbh_Off Temperature differ...

Page 60: ...nd start up of the compressor in heating mode 5 60 1 min 10 3 8 T1Seth1 Set point 1 of climatic curve no 9 for heating mode 25 65 1 C 35 C 3 9 T1Seth2 Set point 2 of climatic curve no 9 for heating mode 25 65 1 C 28 C 3 10 T4H1 The external air temperature 1 of the climatic curve no 9 for the heating mode 25 35 1 C 5 C 3 11 T4H2 The external air temperature 2 of the climatic curve no 9 for the hea...

Page 61: ...The switching on off of each function is always done manually It is only possible to enable disable one function at a time it is not allowed at the same time If one function is active and you exit the Test Run menu while it is active the function will automatically switch off OFF ON OFF 3way valve 2 OFF ON OFF PUMPS OFF ON OFF PUMP OFF ON OFF PUMPC OFF ON OFF PUMPSOLAR OFF ON OFF PUMPDHW OFF ON OF...

Page 62: ...onal heating source thermistor installation the second inner backup heater installation etc Switch off the power supply before opening the switch box service panel and making any changes to the DIP switch settings WARNING 9 2 1 Function setting 9 2 DIP switch settings overview T4C1 T4C2 T4 State In the setting the wired controller if T4C2 T4C1 then exchange their value if T1SETC1 T1SETC2 then exch...

Page 63: ...5 S5 1 S5 2 S5 3 1 2 3 S5 ON OFF Status ON OFF OFF 10 3 Climatic curves The climate related curves can be selected in the user interface Once the curve is selected the target water flow temperature in each mode is calculated by the curve It s possible to select curves even double zone function is enabled The relationship between outdoor temperature T4 C and the target water temperature T1S C is de...

Page 64: ... 34 0 32 9 31 7 31 0 2 36 0 35 1 34 2 32 5 31 3 29 9 29 0 3 35 0 34 1 33 2 31 5 30 3 28 9 28 0 4 34 0 33 1 32 2 30 5 29 3 27 9 27 0 5 32 0 31 2 30 5 29 0 27 9 26 7 26 0 6 31 0 30 2 29 5 28 0 26 9 25 7 25 0 7 29 0 28 4 27 7 26 5 25 6 24 6 24 0 8 34 36 38 40 42 44 46 48 50 52 54 56 20 15 10 5 0 5 10 15 20 HEATING MODE climatic curves set H1 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 22 24 26 28 30 32 34 36 38 ...

Page 65: ...ing or radiator C2 21 0 21 0 19 0 19 0 18 0 18 0 17 0 17 0 2 22 0 22 0 20 0 20 0 19 0 19 0 17 0 17 0 3 23 0 23 0 21 0 21 0 19 0 19 0 18 0 18 0 4 24 0 24 0 21 0 21 0 20 0 20 0 18 0 18 0 5 24 0 24 0 22 0 22 0 20 0 20 0 19 0 19 0 6 25 0 25 0 22 0 22 0 21 0 21 0 19 0 19 0 7 25 0 25 0 23 0 23 0 21 0 21 0 20 0 20 0 8 4 6 8 10 12 14 16 18 20 22 24 10 0 10 20 30 40 50 COOLING MODE climatic curves set C1 1...

Page 66: ...r refrigerant leaks If there is a loss of refrigerant contact the technical assistance service Supply voltage Check that the supply voltage to the unit corresponds to the power supply voltage indicated on the nameplate of the unit Make sure the water shut off valves are completely open 11 2 Commissioning the boiler 11 2 1 Boiler preliminary checks Check the tightness of the gas system Check the co...

Page 67: ...arting accessories on the boiler check that the CO2 content in the fumes with the boiler operating at maximum and minimum power corresponds to the values in the following table Case study G20 G30 G31 G230 A New boiler first switch on transformation or electrode replacement 7 5 9 9 9 11 5 9 11 5 B Boiler with at least 500 hours of operation 9 0 8 10 0 8 10 0 8 4 If the combustion values do not corr...

Page 68: ...t not be adjusted with less than 500 hours of burner operation because the system self adjusts fig 45 To exit the mode just press the button If Test mode Test is enabled and there is a DHW request which activates DHW mode the boiler remains in Test mode Test but the 3 way valve is positioned in DHW The Test mode Test however is automatically disabled after 15 minutes or by closing the DHW request ...

Page 69: ...etpoint T1Sc can be modified by the user between 5 and 25 C via the display see 8 4 DHW and system set point configuration on page 49 The Twoutmin minimum cold water temperature sent to the system before the heat pump is switched off is calculated as follows Twoutmax when the heat pump switches off maximum value between T1Sstop and T1Sc where T1stop minimum temperature allowed to not operate outsi...

Page 70: ... heater power supply is correct Check that the electric protection of the reserve system electric heater is correct Check that the thermal cut off switch of the reserve system electric heater is not activated Check that the reserve system electric heater meters are not faulty Symptom 3 the pump is noisy cavitation Possible causes Corrective action There is air in the system Bleed the air The pump ...

Page 71: ... Apply waterproof adhesive tape 4 Faulty probe replace it E5 EU Temperature probe fault Refrigerant leaking from coil T3 Check the probe resistance 2 The probe connector is disconnected Reconnect it 3 The probe connector is wet Remove the water and dry the connector Apply waterproof adhesive tape 4 Faulty probe replace it E6 EU External air temperature probe fault T4 Check the probe resistance 2 T...

Page 72: ...onnected Reconnect it 3 The probe connector is wet Remove the water and dry the connector Apply waterproof adhesive tape 4 Faulty probe replace it H3 IU Refrigerant gas temperature probe fault T2B 1 Check the probe resistance 2 The probe connector is disconnected Reconnect it 3 The probe connector is wet Remove the water and dry the connector Apply waterproof adhesive tape 4 Faulty probe replace i...

Page 73: ... Inverter module protection L1 EU Protection for low voltage on DC bus L2 EU Protection for high voltage on DC bus L4 EU MCE error L5 EU Zero speed protection L7 EU Phase sequence error L8 EU Frequency variation of the compressor greater than 15Hz per second L9 EU Working frequency of the compressor different over 15Hz compared to target frequency P0 EU Low pressure switch protection 1 The system ...

Page 74: ...oard fault Check the ionisation electrode wiring Check the electrode for damage Electrode grounded Cable grounded Check and clean the siphon if necessary Check the board F05 Fan fault No 230V power Check the wiring of the 5 pole connector Tachometric signal interrupted Fan damaged Check the fan and replace it if necessary A06 No flame after ignition phase Ionisation electrode fault Check the posit...

Page 75: ...23 A24 A26 F20 F21 F40 F47 F51 Pressure sensor fault Parameter configured incorrectly Check if parameter b04 is configure correctly System pressure problems transducer System pressure value outside the set limits transducer b06 set to 3 F37 System water pressure incorrect Pressure too low Load the system Pressure transducer not connected or damaged Check the pressure transducer F39 External probe ...

Page 76: ... correct position and status of the electrode Check the electronic board Check the gas valve and replace it if necessary 13 MAINTENANCE In order to ensure optimal availability of the unit a number of checks and inspections on the unit and the field wiring have to be carried out at regular intervals IMPORTANT HAZARD All maintenance work and replacements must be carried out by skilled qualified pers...

Page 77: ...n accordance with local regulations Maintenance must be performed in compliance with the safety rules and tips given in the manual supplied with the unit Routine maintenance helps maintain unit efficiency reduce the rate of deterioration which each device is subject in time and gather information and data to understand the efficiency of the unit and prevent failures For extraordinary maintenance o...

Page 78: ...only use your hands To drain only the indoor unit water first open the shut off valve between the system and indoor unit before turning the ring fig 48 Safety valve with drain tap 13 4 Periodic maintenance of the heat pump The inspection tasks on the unit described below do not require specific technical expertise and are summed up as simple checks on some of the unit components The table below li...

Page 79: ... the box terminal covers and cable glands Dete riorated bearings cause noise and abnormal vibrations Heat pump water exchanger check The exchanger must guarantee the maximum thermal exchange possible so it must be free from any build up or dirt that could reduce its efficiency Check that the difference in temperature between the output water and the evaporation condensate temperature does not incr...

Page 80: ...l bristles and must NOT be sanded The gas and water systems must be tight The water pressure of the cold system must be about 1 bar if it is not restore it to this value The circulation pump must not be blocked The expansion vessel must be loaded The gas flow and pressure must correspond to the indications in the respective tables The condensate evacuation system must be efficient and must not hav...

Page 81: ...e Ngas tap upstream of the valve Disconnect the fumes sensor connector 1 Disconnect the fan connector Disconnect the ignition electrode connector connected to the board Drain the water of the boilers heating circuit Extract the flue connection concentric or accessory for separate flues Remove the fan Remove the springs of the two pipes on the exchanger pimp and hydraulic unit Loosen the two lower ...

Page 82: ...rd Lift the cover of the electric box by releasing the catches 2 Loosen the screws 3 Raise the board by releasing the side catches 4 Remove all the electrical connectors Insert the new board and reconnect the electrical connections fig 58 fig 59 13 7 4 Replacement of boiler fan CAUTION Disconnect the electrical power supply and close the gas tap upstream of the valve Remove the electrical connecti...

Page 83: ...d the boiler electric box from any accidental water leaks Drain the water of the heating circuit Remove the pressure transducer connector 2 and the fastening clip 1 Remove the pressure transducer 2 fig 62 13 7 6 Boiler water inlet filter cleaning CAUTION Disconnect the electrical power supply and close the gas tap upstream of the valve Isolate the boiler by turning the shut off valve at the domest...

Page 84: ...HEDA ELETTRONICA CALDAIA MORSETTIERA UTENTE Cavo di alimentazione Boiler key 16 Fan 32 Heating circulator 34 Heating temperature sensor 42 DHW temperature probe 44 Gas valve 81 Ignition ionization electrode 95 Diverter valve 136 Flow meter 186 Return sensor 191 Fume temperature sensor 246 Pressure transducer 288 Antifreeze kit 294 Pressure transducer fig 65 ...

Page 85: ...GEND E1 Compressor E2 4 way valve E3 Gas liquid separator E4 Heat exchange air side E5 Electronic expansion valve E6 Single direction electromagnetic valve E7 Filter E8 Drain temperature probe E9 External temperature probe E10 External exchanger probe E11 Stop valve gas E12 Stop valve liquid E13 High pressure switch E14 Low pressure switch E15 Pressure sensor E16 Capillary E17 Extraction temperatu...

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