nominal thermal power 37,9 kW
nominal thermal power for DHW 37,9 kW
Hybrid system with gas absorption heat pump and
condensing boiler for heating and buffer tank domestic hot
water production
K18 Hybrigas
Installation, Use and Maintenance
Manual
Страница 1: ...37 9 kW nominal thermal power for DHW 37 9 kW Hybrid system with gas absorption heat pump and condensing boiler for heating and buffer tank domestic hot water production K18 Hybrigas Installation Use...
Страница 2: ...nd maintenance manual other than for personal consultation must be previously authorised by Robur S p A The rights of those who have legitimately filed the registered trademarks contained within this...
Страница 3: ...drainage p 34 4 Electrical installer p 34 4 1 Warnings p 34 4 2 Electrical systems p 34 4 3 Electrical power supply p 35 4 4 Control system p 35 4 5 Alarm indicator lamp p 37 4 6 Remote the board err...
Страница 4: ...her devices and with the user III WARNINGS III 1 GENERAL AND SAFETY WARNINGS Installer s qualifications Installation must exclusively be performed by a Qualified Firm and by Skilled Personnel with spe...
Страница 5: ...anger Request assistance from the TAC Electrocution hazard Disconnect the electrical power supply before any work procedure on appliance components For electrical connections exclusively use compliant...
Страница 6: ...l heating capacity up to 70 kW EN 378 Refrigerating systems and heat pumps UNI EN 483 Type C gas appliances with nominal thermal ca pacity not greater than 70 kW Other applicable provisions and standa...
Страница 7: ...nk DHW production up to 80 C controlling secondary zone circuits via the system controller high thermal power heating capacity burned 29 2 kW delivered thermal power 37 9 kW indoor or outdoor versions...
Страница 8: ...wer Active auxiliary boiler at full power E Heat pump off Active auxiliary boiler at full power 100 0 Tj 20 C A B C D E PLRh Tj In the presence of a minimal thermal demand scenario A the minimum power...
Страница 9: ...egration of the thermal power of the heat pump module scenarios B C and D integration and replacement just like in the integration mode with the addition that in particular environmental conditions th...
Страница 10: ...20 mm F Flue gas condensate and defrosting water discharge conveyor G Boiler display transparent cover which can be detached to access the user interface keys H Boiler reset unlock button I Heat pump...
Страница 11: ...e and maintenance manual K18 Hybrigas 11 1 1 3 CONNECTION PLATE DETAIL Figure 1 4 Connection plate detail A Water outlet connection 3 4 M B Water inlet connection 3 4 M F Boiler module safety valve di...
Страница 12: ...Features and technical data 12 1 1 4 COMPONENTS Figure 1 5 LH front view A Heat pump module B Boiler module B A...
Страница 13: ...p module internal components 1 Fan 2 Flame sensing ignition electrodes 3 PT1000 flue exhaust temperature probe 4 Limit thermostat 5 Defrosting valve 6 TA outdoor temperature probe 7 Teva evaporator te...
Страница 14: ...components rear view 1 Safety valve 2 Flowmeter 3 Heat pump module flue gas exhaust 4 Condensate discharge 5 Condensate level sensor 6 Water outlet connection 3 4 M 7 Water inlet connection 3 4 M 8 R...
Страница 15: ...nd maintenance manual K18 Hybrigas 15 1 Figure 1 8 RH front view heat pump module internal components 1 Gas valve 2 Combustion blower 3 Ignition transformer 4 Oil pump 5 TG generator temperature probe...
Страница 16: ...d technical data 16 1 Figure 1 9 LH side view A Boiler module flue gas exhaust outlet B Heat pump module flue gas exhaust outlet C Socket for boiler flue gas analisys D Boiler module combustion air in...
Страница 17: ...gure 1 10 Detail of water pipes connection between boiler module and connection plate A Heating water outlet pipe B Heating water inlet pipe G Gas pipe S Space heating water delivery temperature probe...
Страница 18: ...nsor LS Gas valve ON indicator lamp GV Gas solenoid valve TC Manual flue gas thermostat TL Generator limit thermostat FM Flowmeter CWS Condensate water sensor VD Defrosting valve FAN Fan THMC Hot wate...
Страница 19: ...onnector for optional outdoor temperature probe MP Control panel terminal block L Line N Neutral ne Black gi ve Green yellow bl Blue ro Red ce Light blue ma Brown ar Orange gi Yellow bi White gr Grey...
Страница 20: ...ectronicBoardGHP10withmicroprocessor itcontrolsthe appliance and displays data messages and operative codes The appliance is monitored and programmed by interacting with the display and selection keys...
Страница 21: ...ol of one K18 Hybrigas unit with variable water setpoint according to heating curves and type of DHW function room comfort control by controlling two heating circuits of which one optionally of mixed...
Страница 22: ...ature maximum for DHW C 70 3 DHW inlet temperature maximum for DHW C 60 3 Electrical specifications Power supply voltage V 230 type single phase frequency 50 Hz supply 50 Electrical power absorption n...
Страница 23: ...h 2000 minimum l h 400 Electrical specifications Electrical power absorption nominal kW 0 35 Installation data Gas consumption methane G20 nominal m h 1 20 1 GPL G30 G31 nominal kg h 0 87 2 General i...
Страница 24: ...ly remove the packing after placing the appliance on site Do not leave parts of the packing within the reach of chil dren plastic polystyrene nails since they are potentially dangerous Weight The lift...
Страница 25: ...air flow reaching the finned coil and leaving the front part of the appliance or with the fumes exhaust The appliances flue gas exhaust must not be immediately close to openings or air intakes of buil...
Страница 26: ...ems flue gas exhaust flue gas condensate discharge Installation must also comply with the manufacturer s provisions 3 2 INSTALLATION 3 2 1 Primary and secondary heating circuit The K18 Hybrigas applia...
Страница 27: ...gas EVO hydraulic diagram Figure 3 2 K18 Hybrigas EVO 1 heat pump condensing boiler K18 Hybrigas 2 modulating internal water pumps with available head of 2 0 m w c 3 anti vibration connection 4 pressu...
Страница 28: ...overpressure valve calibrated to open only when both valves 3 are closed 3 2 way valve 4 radiator 5 system controller required optional OQLT019 6 advanced room unit standard 7 advanced room unit avai...
Страница 29: ...E A 5 Heating distribution with up to three heating circuits two of which are optionally mixed and one not mixed system with primary and secondary water circuits Figure 3 6 Heating distribution 04 sys...
Страница 30: ...on activated by default automatically starts the primary circula tion pump and if required the burner too when the outside temperature approaches zero Electrical and gas continuity The active anti ici...
Страница 31: ...r the appliance the system the environment and health Contact specialised firms or professionals for water treat ment or system washing Check compatibility of treatment or washing products with operat...
Страница 32: ...pply pressure both static and dynamic must comply with Table 3 3 p 32 with tolerance 15 Non compliant gas pressure Table 3 3 p 32 may damage the appliance and be hazardous Table 3 3 Gas network pressu...
Страница 33: ...stallation data Percentage CO2 in fumes Nominal thermal capacity G20 9 44 G30 11 10 G31 10 20 Minimal thermal capacity G20 9 04 G30 10 50 G31 10 05 Flue temperature Nominal thermal capacity G20 C 73 7...
Страница 34: ...I p 4 providing im portant information on regulations and on safety Compliance with installation standards Installation must comply with applicable regulations in force based on the installation Count...
Страница 35: ...g terminals and liquid penetration at least the protection index IP 25 declared for the unit must be guaranteed The unused holes for cables passage must remain cov ered by caps 4 Insert cables through...
Страница 36: ...ee also Paragraph 1 8 p 21 It is required to arrange request device e g thermostat clock button fitted with a voltage free NO contact How to connect the external request Connection of external request...
Страница 37: ...to the terminal block in the Electrical Panel inside the appliance Connect the button as instructed below Figure 4 7 p 37 1 Access the connection terminal block according to Proce dure 4 2 p 34 2 The...
Страница 38: ...for the re quired capacities and equipped with all safety and control devices required by the regulations in force absence of leaks in the water and gas systems type of gas for which the appliance is...
Страница 39: ...ine is not yet ready for the reading 13 After a short while the flashing message becomes _GO_ again to indicate that the combustion control at maximum power can be implemented 14 Ensure the CO2 value...
Страница 40: ...thermal load before reactivating the function Err The appliance switched off due to an anomaly Warning or Error Deactivate the function by pressing the key for 5 seconds and then intervene according...
Страница 41: ...T START UP Paragraph reserved exclusively to TACs The instructions on the use of the GHP10 electronic board concern the firmware version 1 012 For the use of GHP 10 electronic board and related menu s...
Страница 42: ...urve for space heating from 0 C to 40 C 20 1 If modulation of circulation pump in space heating mode is not active i e parameter 174 set to 0 2 If modulation of circulation pump in DHW mode is not act...
Страница 43: ...antaneous value as the outdoor temperature Integration and replacement mode on space heating service If the control mode of the boiler module is integration and re placement parameter 50 set to 3 by d...
Страница 44: ...restart a locked down unit refer to Paragraph 6 6 p 49 5 6 SETTING PARAMETERS FOR BOILER FIRST START UP To access the parameters menu and set their values follow the procedure below refer to Figure 5...
Страница 45: ...l Figure 1 15 p 21 Make sure that the boiler is ON on space heating service To do this proceed as follows 1 press key to select desired operating mode summer mode space heating only mode winter mode O...
Страница 46: ...mediately but it will only start when there are actual service demands 6 3 MESSAGES ON THE HEAT PUMP DISPLAY 4 digit display The GHP10 board of the appliance Paragraph 1 6 p 20 is equipped with a 4 di...
Страница 47: ...terest by pressing key the dis play will show the current parameter value blinking or for a command menu a blinking code eg rEr1 for the board error reset command 7 Press the key to reconfirm the figu...
Страница 48: ...e is lower in this case the slope of the curve is not sufficient it is needed to set a higher value for parameter 228 indicating the slope of the curve Internal ambient temperature is higher when the...
Страница 49: ...e three options for resetting a fault 1 If the appliance is connected to the OQLT019 controller you may act through the control device as described in the rel evant manual 2 If a remote reset button h...
Страница 50: ...HEATING TEMPERATURE SETTING Do not change space heating setpoint set on the boiler during first startup 6 9 EFFICIENCY For increased appliance efficiency Keep the finned coil clean Set the maximum wat...
Страница 51: ...onment etc maintenance and cleaning op erations must be more frequent 7 2 PRE EMPTIVE MAINTENANCE 7 2 1 Heat pump module For pre emptive maintenance comply with the recommendations in Table 7 1 p 51 T...
Страница 52: ...How to deactivate the appliance for long periods of time 1 Switch the appliance off Paragraph 6 2 p 46 2 Only when the appliance is completely off power it off with the main switch disconnector switch...
Страница 53: ...To exit the menu 2 and return to the main screen 7 Press button until the rightmost digit shows letter E Exit then press button 8 Press again button until the leftmost shows letter E Exit then press...
Страница 54: ...de persists shows up again or in case of doubt contact the TAC 408 Flame controller error NA Contact the TAC 410 Low hot water flow Reset is automatic when the triggering condition ceases Check and cl...
Страница 55: ...h 6 6 1 p 49 If the code persists shows up again or in case of doubt contact the TAC 442 Flame loss Reset occurs automatically 10 seconds after the code is generated NA 443 Flame controller communicat...
Страница 56: ...the code persists shows up again or in case of doubt contact the TAC E02 RESET Safety thermostat 95 C Press the reset button detail H Figure 1 3 p 10 As soon as the error code disappears from the disp...
Страница 57: ...mperature and ambient temperature Blinking red light Pump out of order Pump blocked Pump does not restart autonomously Replace the pump OFF No power supply No voltage on electronics The unit has never...
Страница 58: ...37 2 kW Seasonal space heating energy efficiency s 131 Tj 6 C Pdh 26 4 kW Tj 6 C PERd 120 Tj 8 C Pdh 21 2 kW Tj 8 C PERd 136 Tj 10 C Pdh 16 0 kW Tj 10 C PERd 140 Tj 12 C Pdh 10 8 kW Tj 12 C PERd 141 T...
Страница 59: ...utdoors __ 4000 m h Sound power level indoors outdoors L WA 65 dB For water or brine to water heat pumps Rated brine or water flow rate outdoor heat exchanger __ m h Additional information required by...
Страница 60: ...d promotion of safe environmentally friendly energy efficiency products through the commitment and caring of its employees and partners Robur mission Robur S p A advanced technologies for climate cond...
