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Installation, user and

maintenance manual

GAHP-A

Air-Water gas absorption heat pump

Содержание GAHP-A HT

Страница 1: ...Installation user and maintenance manual GAHP A powered by gas and renewable energies Air Water gas absorption heat pump...

Страница 2: ...of this 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 public...

Страница 3: ...N 27 5 1 GENERAL INSTALLATION PRINCIPLES 27 5 2 POSITION OF THE APPLIANCE 27 5 3 HYDRAULIC CONNECTIONS 30 5 4 GAS SUPPLY 32 5 5 CONDENSATE DISCHARGE 33 5 6 FILLING OF HYDRAULIC CIRCUIT 34 5 7 EXHAUST...

Страница 4: ...ar country References If the appliance is connected to a Comfort Control Panel see detail CCP in Figure 6 3 Comfort Control Panel e Accessory 43 it is switched on and controlled by the Comfort Control...

Страница 5: ...n total safety Contact your Technical Assistance Centre Frequent topping up of the hydraulic with water can result in damage due to scale and corrosion depending on the quality of the water being used...

Страница 6: ...ical connections as specified by the manufacturer Disconnect the electrical power supply before working on the appliance s internal electrical equipment electrical panel motors control board etc Make...

Страница 7: ...of the product or any part operational conditions extreme or however outside of the operational ranges de fined by the manufacturer damages caused by external agents such as salts chlorine sulphur or...

Страница 8: ...of gas absorption heat pumps of the GAHP series are lower than 60 mg kWh in compliance with the requirements of the standard RAL UZ 118 Blauer Engel Information regarding the above EC certifications i...

Страница 9: ...pply systems are properly rated for the capacity required by the appliance and are equipped with all safety and control devices required by current regulations Check that no safety and control devices...

Страница 10: ...al Assist ance for other maintenance requirements see Paragraph 7 2 MAINTENANCE 73 Any repair of the appliance must be carried out by Technical Assistance using only origi nal spare parts Failure to o...

Страница 11: ...d flame detection managed by an electronic flame control box Titanium stainless steel shall and tube heat exchanger with external insulation Recovery heat exchanger AISI 304L Air heat exchanger with s...

Страница 12: ...ion nominal kW 0 83 5 1 09 5 0 90 5 minimum kW 0 56 5 Degree of protection IP X5D INSTALLATION DATA Sound power Lw max dB A 75 3 8 73 11 82 1 8 Sound power Lw min dB A 72 3 8 Sound pressure Lp at 5 me...

Страница 13: ...U E gas usage efficiency 127 1 Thermal power kW 32 0 1 Thermal capacity Nominal 1013 mbar 15 C kW 25 7 true peak kW 25 2 NOx emission class 5 NOx emission ppm 25 CO emission ppm 36 Hot water delivery...

Страница 14: ...1013 mbar 15 C 4 10 depending on power voltage and absorption tolerance of electric motors 5 Overall dimensions excluding fumes pipes see Figure 3 1 Size Standard ventila 6 tion 15 3 2 Dimensions low...

Страница 15: ...3 5 DIMENSIONS AND SERVICE PANEL Figure 3 1 Size Standard ventilation Front and side views dimensions in mm LEGEND Posizione dei supporti antivibranti opzionali Figure 3 2 Dimensions low consumption v...

Страница 16: ...ise version Front and side views dimensions in mm LEGEND Posizione dei supporti antivibranti opzionali Figure 3 4 Service plate Hydraulic gas unions detail LEGEND G Gas fitting F I Inlet water fitting...

Страница 17: ...igure 6 3 Comfort Control Panel e Accessory 43 it is switched on and controlled by the Comfort Control Panel In this case refer to the manual supplied with it The appliance must never normally be swit...

Страница 18: ...n The shutdown cycle takes approximately 7 minutes to complete The on off command is essential Do not switch the appliance on or off by connecting it to or disconnecting it from the power supply direc...

Страница 19: ...trol unit via menu 2 of the controller the procedure is illustrated in Paragraph 4 3 RESET OPERATIONS AND MANUAL DEFROSTING 22 After it is reset the appliance will make a new attempt to activate If th...

Страница 20: ...ASSISTANCE CENTRE SETTINGS MACHINETYPE 6 Menu 7 VIEW DIGITAL IMPUTS 7 Menu 8 MENU NOT USED 8 E EXIT MENU E Menu list of electronic board Menus 0 1 and 7 are Viewing Menus they only allow the informat...

Страница 21: ...isualised on display water temperature and differential If there are operating problems the display shows sequentially the operating codes cor responding to the problem detected A list of these codes...

Страница 22: ...h an error situation does not necessarily correspond to damage or malfunction on the part of the appliance The cause that has generated the error may be temporary for example presence of air in the ga...

Страница 23: ...he controller errors select menu 2 as indicated in the Paragraph Accessing the Menus Then The display shows 2 press the knob to access the menu The display initially 1 shows item 2 20 Turn the knob cl...

Страница 24: ...RD ELECTRONICS 19 At the moment of installation the appliance is set up by the installation technician for best operation according to the type of plant installed Subsequently it is possible to modify...

Страница 25: ...UM winter temper ature in the area of installation see Table 5 3 Technical data for filling the hydraulic circuit 36 bring the plant to the correct pressure making sure that the pressure of the water...

Страница 26: ...circuit is charged 4 Check that the condensate discharge is clean 5 check that exhaust duct is not obstructed 6 switch on the appliance by means of the on off command or DDC if present and 7 in contro...

Страница 27: ...an area in which air circulates naturally and which does not require any particular protection from the weather In no case must the appliance be installed inside a room The front of the appliance mus...

Страница 28: ...level on a terrace or on a roof if compatible with its dimensions and weight The dimensions and weight of the appliance are given in Table 3 1 GAHP A LT technical data 11 or Table 3 2 GAHP A HT techni...

Страница 29: ...antivibration mounts available as accessories see Section 8 ACCESSORIES 77 is strongly recom mended in such cases of installation on roofs or terraces in which resonance phenomena may arise Moreover...

Страница 30: ...the water circulation pump of the primary cir cuit if controlled by the appliance and the burner of the appliance itself when necessary It is therefore necessary to ensure a permanent supply of elect...

Страница 31: ...s Reintegration should not exceed 5 per year of the total amount of water It is advised to check regularly the water quality especially in case of automatic or periodic top up In case water treatment...

Страница 32: ...hylene glycol in the plant is recommended For other components to be installed in the system refer to Design Manual For fur ther information or technical support in this regard contact Robur S p A s P...

Страница 33: ...L BG CY CZ DK EE FI GR HR IT LT MK NO RO SE SI SK TR 20 30 30 AT CH 20 50 50 II2H3P AL BG CZ ES GB HR IE IT LT MK PT SI SK TR 20 37 RO 20 30 II2ELL3B P DE 20 20 50 50 II2Esi3P FR 20 25 37 II2HS3B P HU...

Страница 34: ...slope cannot be achieved a condensate pump must be installed near to the discharge realized in such a way as to prevent icing of the condensate mixed for example with domestic effluents washing machi...

Страница 35: ...i tially present has reacted the degenerative phenomenon of glycol is hugely inhibited Most circuits however are of the non sealed type and therefore receive a more or less continuous supply of oxygen...

Страница 36: ...ion of 80 mm equipped with a suitable seal located on the left side see Figure 3 1 Size Standard ventilation 15 or Figure 3 2 Dimensions low consumption ventilation S1 15 or Figure 3 3 Dimensions low...

Страница 37: ...agraph explains how to set the hydraulic parameters on the electronic board of the appliance Users not familiar with the basic procedures for the use of the board should refer to Paragraph 4 2 ON BOAR...

Страница 38: ...aches the set point temperature 40 C The appliance switches off the water in the plant returning from use becomes progressively cooler until it reaches a temperature of 38 C 40 C 2 The appliance switc...

Страница 39: ...GAHP A 39 To exit the menu turn the knob clockwise until E is displayed then press it to confirm For details regarding the codes displayed by the appliance during operation see Paragraph 9 1 OVERVIEW...

Страница 40: ...that does not comply with current legislation may cause damage to people animals or things Robur S p A is not responsible for any damage caused by installation that is incorrect or that does not compl...

Страница 41: ...AN BUS jumper J10 Jumper N O contact J82 W10 board connector on Mod10 JP10 6 pole flame controller connector JP12 Fumes sensor or generator fin sensor input JTAG S61 controller programming connector M...

Страница 42: ...ure 6 2 Mod10 controller Mod10 controller LEGEND HFLOW Not used CFLOW Condensation water sensor control J51 SPI connector HPMP Primary circuit hot water pump control output 0 10 V CPMP Low consumption...

Страница 43: ...e CCP AVS37 Comfort Control Siemens RVS61 System controller and set point CCI Comfort Control Interface PLC Programmable Logic Control AVS75 Expansion Optional components to predict QAA55 Base room un...

Страница 44: ...44 Figure 6 4 CCI DDC...

Страница 45: ...indicator lamp GV Gas solenoid valve TC Manual fumes thermostat TL Generator limit thermostat FM Flowmeter CWS Condensation water sensor VD Defrosting valve FAN Fan C Fan condenser not present on sile...

Страница 46: ...r delivery temperature sensor TMIX Combustion air temperature sensor TA Ambient air temperature sensor TG Generator temperature sensor TF Fumes temperature sensor or genera tor fin sensor TEVA Evapora...

Страница 47: ...1 How to connect the CAN BUS cable to the appliance s electronic board 2 How to connect the CAN BUS cable to the Comfort Control Panel 3 How to connect the Comfort Control Panel 4 How to connect the p...

Страница 48: ...DeviceNet Mid Cable TURCK type 5711 H BLUE L WHITE GND BLACK 450 m Honeywell SDS 2022 TURCK type 531 H BLACK L WHITE GND BROWN 200 m Example types of cables used to connect the CAN network For total d...

Страница 49: ...5 terminal node of the network connect the three coloured wires to the orange connector as shown in detail A of Figure 6 10 Electrical wir ing diagram 50 Respect the correct indications L H GND provid...

Страница 50: ...n intermediate or terminal node The position of the jumpers on a new CCP is CLOSED To connect the CAN bus cable to a CCP You will need the Comfort Control Panel not powered up Open the Comfort Control...

Страница 51: ...ange connector P8 with the wires first into the opening prepared in 8 the cover of the CCI and then into the appropriate socket on the CCI itself making sure it is correctly inserted Use the rear cove...

Страница 52: ...Detail of intermediate node case 6 wires J21 jumper open H L GND Data signal wires The following wiring diagrams show the connection of the CCI to 1 appliance Figure 6 13 Connection of CCI to 1 applia...

Страница 53: ...53 Figure 6 14 Connection of CCI to 3 appliances Connection of CCI to 3 appliances LEGEND SCH S61 controller CCI Comfort Control Interface How to connect the Comfort Control Panel You will need the ap...

Страница 54: ...nd signal cable 0 10V both 1 5 m long for con nection to the appliance s electrical panel For longer cable runs use a shielded 2x0 75 mm2 0 10V signal cable and a FG7 3Gx2 5mm2 power cord You will nee...

Страница 55: ...onnection of Wilo variable rate pumps Wiring diagram for connection of Wilo variable rate pumps LEGEND IP Bipolar pump power switch F Fuse PM Hot water circulation pump primary circuit Pump signal 0 1...

Страница 56: ...connected to a Direct Digital Controller DDC In particular What is the CAN BUS cable 1 How to connect the CAN BUS cable to the appliance s electronic board 2 How to connect the CAN BUS cable to the DD...

Страница 57: ...res use the wires with the colours indicated in 6 2 CAN BUS cables type 48 and cut the remaining ones The ROBUR NETBUS cable is available as an accessory see Section 8 ACCESSORIES 77 How to connect th...

Страница 58: ...he specific orange connector P8 supplied with the DDC in a bag Before working on the DDC make sure that it is off The DDC like the controller on the appliance has jumpers that must be moved so that it...

Страница 59: ...e terminal markings L H GND on the DDC at the base of the socket P8 which are given both in Table 6 2 CAN BUS cables type 48 and in the example Insert the orange connector P8 with the wires first into...

Страница 60: ...and is thus grounded if the transformer already has one wire grounded it must be connected to this terminal Terminal 3 of the DDC s 4 pole connector must always be grounded r 0 1 On completion close...

Страница 61: ...plants with one unit Connexion c ble CAN BUS between one DDC and one unit LEGEND DDC direct digital control SCH electronic board S61 J1 Jumper CAN BUS in board S61 J21 Jumper CAN BUS in board DDC A te...

Страница 62: ...S in board S61 J21 Jumper CAN BUS in board DDC A terminal nodes connection 3 wires J1 e J21 closed B intermediate node connection 6 wires J1 open H L Gnd data signal wires rif cables table How to conn...

Страница 63: ...W make the connection as shown in Figure 6 22 Electrical wiring diagram 64 using a relay In this case the jumper J10 located at the bottom left of the electronic board above the NO Contact contacts m...

Страница 64: ...SCH circuit board J10 open jumper N O CONTACT N O voltage free contacts MA unit terminal block L phase N neutral Components NOT SUPPLIED PM water pump 700W KP pump relay If several appliances are conn...

Страница 65: ...ection with 230 Vac pump controlled directly by the appliance through a relay and a SELV safety transformer LEGEND SCH circuit board J10 open jumper N O CONTACT N O voltage free contacts MA unit termi...

Страница 66: ...n the live wires In this way it will be the last wire to be pulled away if the mains cable should accidentally be pulled and will thus guarantee the ground connection Electrical safety is ensured only...

Страница 67: ...ling a button not sup plied to the flame controller inside the unit s electrical panel Connect the button as instructed below You will need the appliance disconnected from the electricity supply The c...

Страница 68: ...25 Button connection for flame controller reset LEGEND 1 White 2 Grey 3 Orange 4 Green 5 Yellow Black 6 Black 7 Yellow Green Ground 8 Brown 9 Blue 10 Yellow 11 Violette 12 Pink PLS Reset button A Blin...

Страница 69: ...oroughly tested The entire procedure for initial activation of the appliance consists in carrying out the fol lowing main operating stages preliminary verification of plant compliance 1 check setup of...

Страница 70: ...enance operations control of switching on and off of the appliance not via the CCP DDC or consent switch but via the master power switch damages or failures of the appliance due to transportation or i...

Страница 71: ...pply switched off and with the gas cock closed front panel removed Check the dynamic gas mains pressure Connect the manometer to the gas intake see detail D Figure 7 1 Gas 1 valve 71 Open the gas valv...

Страница 72: ...flash P_L1 press to confirm forcing minimum thermal power Now check that the difference between the value read in point 4 and that now 6 displayed on the flue gas analyser corresponds to the data give...

Страница 73: ...e car ried out by an authorized Robur Technical Assistance Centre TAC according to the in structions supplied by the manufacturer The efficiency check and every other check and maintenance operation s...

Страница 74: ...subject to particularly heavy duty for example in process plants or in other conditions of continuous operation these maintenance operations must be more frequent Table 7 2 SCHEDULED MAINTENANCE OPER...

Страница 75: ...the gas pipe to the gas valve 10 Replace the sticker indicating the type of gas for which the appliance was set up 11 with one that indicates the new type of gas used Check the tightness of the insta...

Страница 76: ...76 Figure 7 2 Gas changeover Gas changeover LEGEND A Gas valve B O ring C O ring D Gas nozzle E Fixing screws F Red silicon pipe G Fixing screws H Manual reset fumes thermostat...

Страница 77: ...Thermal tank three fittings 300 l O SRB000 Thermal tank three fittings 500 l O SRB001 Thermal tank three fittings 800 l O SRB002 Thermal tank three fittings 1000 l O SRB003 VALVES Flow regulator valve...

Страница 78: ...Failure to ignite burner Reset occurs automatically when the solenoid valve opens again new ignition attempt or if the code persists for 5 minutes E 412 FLAME CONTROL UNIT ARREST Flame arrest signal...

Страница 79: ...s the flame controller Resets automatically defrost function disabled if with only the circulator operating the hot water inlet outlet temperature rises above 5 C at which point the circulator switche...

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Страница 82: ...T 39 035 888111 F 39 035 884165 www robur it robur robur it Robur is dedicated to dynamic progression in research development and promotion of safe environmentally friendly energy efficiency products...

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