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Installation - Robur Heat Pumps

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2. UNITA 01 UNITA 02 LEGEND ee 1 pM 1 SCH circuit board SPI SPI 1 rro Bam NM J10 open jumper TTT gg ENDE N O CONTACT N O voltage free contacts E E MA unit terminal block E dr d L phase EN N neutral ile E d s e MC Components NOT SUPPLIED E sl 30 4 water pump E ae n EN i Ait ead mo El KP pump relay EX Gd a ES NO PUMP MAIN IGN FE NO PUMP IGN gg PTR SELV safety transformer FAN CONTACT 230V 230V BOX RWyo 5 FAN 230V 230V BOX RWYO 4 IP bipolar pump switch BK WH BR L LON L BK WH BR L L L LITE OO Yrit ie oge Ti Xi did di EE Ve I AT SCHI gt SCHI n Ji0 f aaf aap d i i3 ES I X bore d tagant 1 1 d 1 1 1 1 1 IP 21 ONE L o NE n a ets Example of pump appliance electrical connection with 230 Vac pump controlled directly by the appliance through a relay and SELV safety transformer 6 3 CONNECTIONS FOR CONSENT SWITCH OPERATION To opera
3. LEGEND A Pressure regulation screw to burner B gas pressure intake gas pressure outlet Valvola GAS SIT 830 Table 7 1 PRESSURE AT BURNER 6 9 mbar 10 0 mbar 13 0 mbar 16 5 mbar AIR DIAPHRAGM 33 0 mm 33 0 mm 32 2 mm 32 2 mm NOZZLE DIAMETER 5 3 mm 5 3 mm 3 3 mm 3 3 mm Gas pressure at burner air diaphragm and nozzle diameter 7 2 3 A Regulation of operating parameters of the plant Regulation of operating parameters of the plant occurs via the electronic board see Paragraph 5 7 PROGRAMMING OF HYDRAULIC PARAMETERS 32 or via the DDC if connected Ifthe appliance is connected to a Direct Digital Controller DDC for operations regarding the regulation of plant operating parameters according to the user s requirements refer to the DDC s manual final user manual book 2 supplied with it MAINTENANCE Correct maintenance prevents problems guarantees maximum operating efficiency of the appliance and allows running costs to be contained The maintenance operations described in this paragraph must be performed exclusively by the serviceman in charge of the plant or by an authorized CAT Robur Any operation that regards internal components of units of the appliance must be 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 operatio
4. responding to the problem detected A list of these codes with their description and the OFICIESLJFA procedure to follow to bring the appliance back to correct operation is provided in Para graph 9 1 OVERVIEW AND OPERATING CODES TROUBLESHOOTING 66 The knob is used to display or set parameters or to execute actions commands e g a function or reset when permitted HOW TO ACCESS THE MENUS To use the knob with the special key supplied with the appliance H Y 1 You will need the appliance s electrical power switches set to ON the controller s dis play sequentially shows the operating data temperature delta T regarding the current mode e g heating and any active operating codes u E 1 Remove the front panel by removing the fixing screws 2 Remove the cover of the electrical panel to access the knob 3 Use the special key through the hole to operate the knob and access the control ler s menus and parameters 4 display the menus just press the knob once the display shows the first menu 0 menu 0 5 The display shows 0 To display the other menus turn the knob clockwise The display will read in order 17 27 37 47 57 67 7 8 and E see 4 1 Menu of electronic board 17 6 To display the parameters in a given menu for example menu 0 turn the knob until it displays the menu in question in the example 0 and press the knob the displ
5. Reset occurs automatically if the gas solenoid valve switches on again within 10 minutes with central flame control unit on GAS SOLENOID VALVE WITHOUT ELECTRICAL POWER EVAPORATOR TEMPERATURE SENSOR FAULT Code u_29 is active for more than 10 minutes with flame controller unit on Fault interruption or short circuit on evaporator temperature sensor Carry out appropriate checks Reset may be performed from the CCI DDC or from the S61 board via menu 2 parameter 1 If the code persists contact authorised TAC In Heating mode reset may be performed from the CCI DDC or from the 561 board via menu 2 parameter 1 moreover the code is reset during the hot cold transition too In Cooling mode the code is not managed If the code persists contact authorised TAC HOT INLET WATER TEMPERATURE TOO HIGH Hot inlet water temperature higher than upper operating limit of the appliance if the appliance is in operation Resets automatically if with the circulator on the cause resolves or with circulator off 20 minutes after generation of code LOW HOT WATER TEMPERATURE Hot water temperature lower than lower operating limit of the appliance if the appliance is in operation u_47 code generated 3 times in 1 hour of Reset occurs automatically when cause resolves or 430 seconds after the code is generated In Heating mode occurs automatically when the condition that generated the code
6. 60 nominal 50 Hot water return temperature maximum 50 minimum temperature in continuous operation 20 Thermal power nominal 35 30 1 Hot water flow rate nominal Delta T 10 C 3040 maximum 5000 minimum 1400 Hot water pressure drop Ambient air temperature dry bulb G U E gas usage efficiency at nominal water flow nominal 0 29 2 maximum minimum 67 1 Cooling output 16 90 1 Water flow rate nominal Delta T 5 C 2900 maximum 3200 minimum 2500 Internal pressure drop External air temperature at nominal water flow nominal 0 31 2 maximum minimum Inlet cold water temperature Power supply maximum minimum Voltage TYPE single phase Frequency Electrical power absorption nominal Degree of protection IP methane G20 nominal 3 SEH G25 nominal m3 h 3 16 5 G30 nominal kg h 2 03 4 G31 nominal kg h 2 00 4 NOx emission class 5 9 NOx emission ppm 30 9 10 CO emission ppm 23 9 10 Level of acoustic pressure at 10 meters maximum dB A 49 7 54 7 Maximum operating pressure bar 4 Water content inside the apparatus 3 F thread 1 1 4 F thread 3 4 Fume outlet Diameter X 80 width 850 Size height depth 12 In opera
7. FINNED COIL FILTER kit for unit through the fan coil and makes it easier to O FLT004 de EE ee clean 9 For the position of the fixing holes see the Paragraph of dimensions ANTIVIBRATION MOUNT KIT for base RTCF 180 00 Kit consisting of 6 anti vibration feet to be fixed in the holes already provided on the beams of the base NTV009 For the position of the fixing holes see the Paragraph of dimensions ANTIVIBRATION MOUNT KIT for base RTCF 240 00 Kit consisting of 8 anti vibration feet to be fixed in the holes already provided on the beams of the base 010 For the position of the fixing holes see the Paragraph of dimensions ANTIVIBRATION MOUNT KIT for base RTCF 300 00 Kit consisting of 10 anti vibration feet to be fixed in the holes already provided on the beams of the base 011 For the position of the fixing holes see the Paragraph of dimensions HYDRAULIC SEPARATOR Separator to balance hydraulic circuits with automatic air outlet outlet valve and insulation O SPR000 Water flow rate max 15 m3 h Direct Digital Controller DDC RB100 Provides remote control of one or more units Controller for handling sliding temperatures and remote ACS production O CRM007 O DSP001 N 1 DDC for max 16 unit on the same plant NB for links n 1 DDC already it is supplied Can be used in combination with the DDC WISE Web Invisible Servi
8. Directives 2006 42 EC Machinery Directive with subsequent amendments and integrations 2004 108 EC Electromagnetic Compatibility with subsequent amendments and integrations Tested and examined according to the following norms EN55014 1 EN55014 2 EN61000 3 2 EN61000 3 3 EN62233 2006 95 EC Low Voltage Directive with subsequent amendments and integrations Tested and examined according to the following norms EN50165 EN60335 2 102 EN60335 1 2009 142 EC Gas Appliance Directive with subsequent amendments and integrations Tested and examined according to the following norms EN 12309 1 EN 12309 2 EN 483 As proved whit EC certification number 0964 issued by KIWA Italia S p A Via G Carducci 5 Milan Italy 97 23 EC Pressure Equipment Directive with subsequent amendments and integrations As proved with EC Certification number 1370 of all the components under pressure of the III category issued by BUREAU VERITAS Italia S p A Viale Monza 261 Milan Italy Jvan Benzoni R amp D Director Robur S p A FR coscienza ecologica caring for the environment Robur S p A tecnologie avanzate per la climatizzazione advanced heating and cooling technologies www robur it robur robur it via Parigi 4 6 24040 Verdellino Zingonia BG Italy T 39 035 888111 39 035 884165 capitale sociale 2 028 000 00 i v iscritta al Registro Imprese di Bergamo n 154968 codice fiscale partita iva 00373210160 V A T code IT 00373210160 societ soggett
9. The display shows 2 press the knob to access the menu The display initially shows item 2 0 Press the knob to display the flashing reset request Press the knob again to reset the flame controller The reset request stops flashing and the again display shows 2 0 The reset operation has been performed To quit the menu turn the knob clockwise until the 2 is displayed Now press the knob to return to menu selection 2 To exit the menu selection and return to the normal visualisation of the parameters of the appliance turn the knob clockwise until E displays press the knob to quit ACTION 1 reset other errors this is required to reset any warnings and errors that may occur during operation of the appliance ide You will need access to the electrical panel see Paragraph Display and knob To reset the controller errors select menu 2 as indicated in the Paragraph Accessing the Menus Then E DI 6 The display shows 2 press the knob to access the menu The display initially shows item 2 0 Turn the knob clockwise to display item 2 1 Press the knob to display the flashing reset request Press the knob again to perform a board error reset The reset request stops flash ing and the again display shows 2 1 The reset operation has been performed To quit the menu turn the knob clockwise until the 2 is displayed Now press the knob to return to menu selection 2 To exit the menu selection and return
10. A wiring error as well as impeding the correct operation of the appliance could also damage the electrical apparatus that it contains ELECTRICAL CONNECTIONS FOR THE SYSTEM CIRCULATOR The primary circulation pump s must be controlled by the 561 board or directly via N O contact contacts or indirectly OR use of said contacts by BMS type external systems Otherwise the primary circulation pump s must be running permanently CONNECTION FOR CONTROLLING INDEPENDENT CIRCULATORS This connection applies to hydraulic circuits which have a primary circuit circulator for each appliance independent circulators installed on the plant For example 1 circulator 1 appliance 5 circulators 5 appliances In such cases for each appliance it may be sufficient to install a single phase water circu lator 230 V AC with power absorption less than 700 W To make the circulator appliance connections proceed as follows references to Figure 6 6 Electrical wiring diagram 41 You will need the appliance connected hydraulically monophase water pump 230 Vac with power less than 700 W predisposed external electric panel Necessary equipment and materials Make sure that the external electrical panel is equipped with a power switch 2 pole with suitable protection equipment fuses 1 Remove the appliance s front panel and open the electrical panel by removing the bolts securing it 2 Prepare a suitable cable for the
11. E604 DRE ONERE code generated twice in 2 hours of CCI DDC or from the 561 board via menu 2 parameter 1 If the i code persists contact authorised TAC HIGH temperature detected by ambient Reset occurs automatically when the condition that generated the EGG TEMPERATURE temperature sensor code ceases LOW temperature detected by ambient Reset occurs automatically when the condition that generated the E606 LOW AMBIENT TEMPERATURE temperature sensor code ceases High temperature detected by condenser u 607 HIGH CONDENSER INLET inlet temperature sensor T gt limit set menu 1 Reset occurs automatically when the condition that generated the TEMPERATURE code ceases parameter 66 HIGH CONDENSER INLET 07 code active for 2 hours or u 07 code elia may Be performed from the TEMPERATURE generated 12 times in 2 hours of operation CCI DDC from the 561 board via menu 2 parameter 1 If the code persists contact authorised TAC FLAME CONTROL UNIT ERROR E_12 on unit and condenser inlet temperature increasing by over 10 C within 1 hour Carry out appropriate checks Reset may be performed from the CCI DDC or from the S61 board via menu 2 parameter 1 If the code persists contact authorised TAC WATER FLOWMETER Insufficient water flow Insufficient water flow the circulator is on and the flowmeter is open Reset occurs automatically when correct water flow is restored WATER FLOWMETER
12. of the appliance If any non compliance is found during the preliminary checks the authorized technician may choose not to proceed with the first start up In this case the Robur TAC technician must e advise the user installation technician of any installation anomaly e inform the user installation technician of any situation that is deemed to be haz ardous for the appliance and for people e inform of any missing documentation relative to the plant e Indicate in relation to the reports made any corrective measures to be taken on the plant which the installation technician will have to carry out in order to pro ceed with the operation of initial activation It is the responsibility of the user installation technician to carry out any corrective meas ures on the plant indicated by the authorized technician After such corrective measures have been completed the authorized technician will assess the plant again At this point if safety and compliance conditions are judged satisfactory the authorized technician must carry out the first start up Plant situations that are hazardous for people and for the appliance Ifone of the following hazardous situations arises the TAC must not carry out the initial activation e appliance installed indoors e appliance installed close to combustible substances or surfaces or in any case in conditions of bad accessibility or not allowing safe maintenance operations e control of swit
13. 9 Open the gas supply tap to the plant and ascertain that there is no smell of gas indicating possible leaks Close the gas tap and check the static gas mains pressure as per the specific Proce dure Regulation of gas flow set out further on from point 1 to point 6 Prepare the units of the appliance for the operation of regulation of gas as per the specific procedure described further on from point 7 to point 9 Start the appliance electrically Make sure one final time that there is no smell of gas switch the external disconnecting switch GS of the mains power supply provided by the electrical system installation technician on a suitable panel moving it to the ON position Start up the DDC electrically if the DDC is not powered by the internal transformer of the general electrical panel of the appliance point 10 of the specific procedure for this operation see the specific manual for the installation technician book 1 Carry out activation of the appliance via the on off commands or via the DDC if connected point 11 of the specific procedure if the appliance is connected to the DDC for this operation consult the specific final user manual book 2 Proceed with regulation of the gas pressure to the burner of the appliance as in the specific procedure set out further on from point 13 onwards Check the dynamic gas mains pressure if possible on the appliance that is furthest from the point where the plant is connecte
14. CCI DDC or from the 61 board via menu 2 parameter 1 If the code persists contact authorised TAC CONDENSER OUTLET TEMPERATURE SENSOR DEFECTIVE Fault interruption or short circuit on condenser outlet temperature sensor Reset may be performed from the CCI DDC or from the 61 board via menu 2 parameter 1 moreover the code is reset during the cold hot transition too In Heating mode the code is not managed If the code persists contact authorised TAC CONDENSER INLET TEMPERATURE SENSOR DEFECTIVE Fault interruption or short circuit on condenser inlet temperature sensor Reset may be performed from the CCI DDC or from the 61 board via menu 2 parameter 1 If the code persists contact authorised TAC GENERATOR FIN TEMPERATURE SENSOR Generator fin temperature sensor Reset may be performed from the controller or from the S61 board via menu 2 parameter 21 If the code persists contact authorised Technical Assistance GAS SOLENOID VALVE EXCITED DURING FLAME CONTROLLER ARREST The flame controller is arrested E_12 but the gas solenoid valve is excited In this case the flame controller is de excited E_12 resets Reset may be performed from the CCI DDC or from the 61 board via menu 2 parameter 1 If the code persists contact authorised TAC GAS SOLENOID VALVE WITHOUT ELECTRICAL POWER Gas solenoid valve is off for 5 seconds with central flame control unit on
15. MAINTENANCE gt 61 check that the water content of the plant is correct if necessary top up the cir cuit to at least the minimum quantity see Paragraph 5 5 FILLING OF HYDRAULIC CIRCUIT 30 if necessary add inhibited monoethylene glycol antifreeze free of impurities in a quantity in proportion to the MINIMUM winter temperature in the area of installa tion see Table 5 3 Technical data for filling the hydraulic circuit 31 bring the plant to the correct pressure making sure that the pressure of the water in the plant is not less than 1 bar and not over 2 bar In case of winter saesonal switch off or long period of stopping we suggest to not emp ty the hydraulic circuit in that case possible oxidation process can occur This oxidation process could damage both the hydraulic system and also the Robur heat pump It s im portant to verify that no leakages occur in the hydraulic circuit that may empty part of the system The above recommendation is necessary in order to avoid to fill continuously with water that may imply the additional introduction of oxygen and the consequent dilution of the used inhibitor for ex glycol In case of precence of glycol Robur advices to use inhibited glycol Galvanized pipes are not recommended as they are not compatible with glycol You will need the appliance disconnected from the electricity gas supply T open the plant gas supply valve to the appliance and make sure that there is no sme
16. VERITAS ITALIA S p A Viale Monza 261 20126 Milano Italy Hiermit m chten wir klarstellen dafs diese Behalter mit einem Sicherheitsventil Eichungsdruck 35 bar nach 97 23 EC PED Verordnung ausger stet sind D FGL073 rev F 11 SDC 030 del 14 12 2011 coscienza ecologica caring for the environment Robur Spa tecnologie avanzate per la climatizzazione advanced heating and cooling technologies www robur it robur robur it via Parigi 4 6 24040 Verdellino Zingonia Bg Italy T 39 035 888111 F 39 035 884165 09009000000900009099900009000009009090000009000000990900000900000090000009009000000209000009090000009000000000000000000090000099900 Installation use andmaintenance manual GAHP Line AR Series Figure 4 OFICELIF ES Por la presente certificamos que los circuitos herm ticos presurizado 1 de las M quinas de Absorci n con gas fabricadas por la Empresa ROBUR S p A serie GA ACF60 00 Standard y versiones especiales 2 de las bombas de calor por ciclo de absorci n con gas fabricadas por la Empresa ROBUR S p A serie GAHP GS WS A AR Standard y versiones especiales serie GAS HP G W A Standard y versiones especiales se adaptan a la Directiva 97 23 EC PED sobre aparatos a presi n y han sido probados conforme al procedimiento EC en conjunto MODULO control de aseguramiento de calidad total n mero CE 1370 PED H ROBOO1 10 ITA Efectuados por BUREAU VERITAS ITALIA S p A Viale Monza 26
17. a guide to the installation and opera tion of the gas absorption reversible heat pump of the GAHP Line AR Series This manual is specifically intended for final users for the operation of the appliance according to their own requirements Installation technicians hydraulic and electrical for a correct installation of the appliance The manual also contains a section that describes all the operations necessary for the first start up and for the gas change of the appliance as well as the main maintenance operations an ACCESSORIES section with a description of accessories available and their re spective reference codes IN CASE one or more APPENDIX sections in which are reported some specific information for a particular country Definitions meaning of terms and icons APPLIANCE this term indicates the gas absorption reversible heat pump of the GAHP Line AR Series CCI Comfort Control Interface device Not applicable DDC digital control panel Direct Digital Controller TAC Technical Assistance Centre authorised by Robur S p A ACS sanitary domestic hot water UTA air handler The icons used in the manual have the following meanings A DANGER WARNING ide START OF OPERATING PROCEDURE gt REFERENCE to another part of the manual or other document 1 Installation use andmaintenance manual GAHP Line AR Series SAFETY WARNINGS Packing items plastic bags pol
18. are of the non sealed type and therefore receive a more or less continuous supply of oxygen Installation use andmaintenance manual GAHP Line AR Series Therefore it is essential whatever type of glycol is in question to verify that it is ade quately inhibited and that the necessary checks are regularly performed during its entire period of use i Antifreeze liquids for cars which do not contain inhibiting components are not recom mended for cooling and heating plants The manufacturer does not accept any con tractual or extra contractual liability for damage caused by the use or incorrect dis posal of glycol antifreeze It is equally important to recall that the use of monoethylene glycol modifies the ther mophysical characteristics of the water in the plant and in particular its density viscosity and average specific heat Always check the date of expiry and or degradation of the product with the supplier Table 5 3 Technical data for filling the hydraulic circuit 31gives the approximate freez ing temperature of the water and consequent increased drop in pressure of the appliance and of the circuit of the plant according to the percentage of monoethylene glycol This table should be borne in mind when sizing the pipes and water circulator for pressure drop calculations see the data in paragraph 3 4 TECHNICAL DATA 11 Nevertheless it is advisable to consult the technical specifications of the monoethylene glycol
19. be done by a contractor legally authorised to work on gas appliances and equipment Use only original spare parts 3 1 Installation use andmaintenance manual GAHP Line AR Series OVERVIEW AND TECHNICAL FEATURES In this section you will find general information hints on the operating principle of the appliance and its manufacturing features This section also contains technical data and dimensional drawings of the appliance GENERAL INFORMATION This manual is an integral and essential part of the product and must be delivered to the user together with the appliance Conformity to CE standards The gas absorption reversible heat pumps of the GAHP Line AR Series are certified as conforming to EC standard and comply with the essential requirements of the following Directives e Gas Directive 90 396 EEC and subsequent modifications and additions Efficiency Directive 92 42 EEC and subsequent modifications and additions Electromagnetic Compatibility Directive 89 336 EEC and subsequent modifica tions and additions Low Voltage Directive 89 336 EEC and subsequent modifications and additions Pressurised Equipment Directive 97 23 EEC and subsequent modifications and additions Information regarding the above EC certifications is given in Paragraph 3 4 TECHNICAL DATA 11as well as on the Nameplate of the appliance itself Installation and regulatory references When the appliance arrives at the installation site before beginning the st
20. board 561 35and Table 6 1 Controller component 561 35 detail the S61 controller s inputs and outputs The supplementary controller AR11 is shown in detail in Figure 6 2 Controller type AR11 36 Figure 6 3 37 detail plant of the appliance Figure 6 1 Electronic board 561 LEGEND GND L H 5 5 5 bo 5 Po food 5 E o 4 000 5 Ji see table below jo THMFTHRFTCN TG TAL SET SRT2 JP18 SP P8 oo oo Blea oo gt loo EN E 24ace 0V 24 acl e BK WH BR contact L N MAATE Main components of the on board controller Table 6 1 Controller component 561 DESCRIPTION Electronic board S61 Cold water delivery temperature probe input Cold water return temperature probe input Outlet condensator temperature probe input Ambient temperature probe input Generator temperature probe input inlet condensator Not used Not used OFICIESLJFA SRT1 Hydraulic pump rotation sensor input SRT2 Not used JP12 Not used SPI Not used P8 GND L H CAN BUS connector BUS jumper Al A2 Auxiliary inputs not used TF Fumes the
21. connection 3 Locate inside the electric panel of the appliance the NO Contact terminals on the controller SCH and hook up as shown in the example Make sure the ground cable is longer than the live cables In this way it will be the last wire to be pulled away if the mains cable should accidentally be pulled and will thus guaran tee the ground connection Do not use gas pipes to ground electrical appliances A wiring error as well as impeding the correct operation of the appliance could also damage the electrical apparatus that it contains The NO Contact terminals are no voltage contacts with maximum power capacity of 700 W These contacts control the circulator shutdown delay 7 minutes after appliance shutdown Check the position of jumper J10 as follows Installation use andmaintenance manual Line AR Series 1 Locate on the appliance s controller SCH jumper 10 bottom right below the NO Contact contacts and make sure that it is set as shown in detail A jumper closed of the figure 2 On completion restore the appliance to its fully assembled condition Figure 6 6 Electrical wiring diagram LEGEND TOW SCH circuit board Ji ODO FI 9 E J10 closed jumpe
22. now sequentially shows as at the beginning the operating data temperature delta T regarding the current mode e g heating 21 To modify a parameter in menu 4 to access the menu installation technician only you first prompted for a password For the password contact the Robur TAC or Technical Service Department of Robur S p A 035 88811 1 The special key allows the knob of the electronic board to be operated without opening the cover of the electrical panel so that operators are protected from live components When the necessary settings have been completed put away the special key replace the cap on the aperture of the electrical panel and refit the front panel of the appliance H Installation use andmaintenance manual Line AR Series 6 ELECTRICAL INSTALLATION This section illustrates the operations to perform for the correct electrical installation of the appliance and contains electrical diagrams that may be of use in the event of main tenance operations i Before proceeding with operations to create the electrical plant of the appliance the professionally qualified personnel concerned are advised to read Paragraph 3 1 GENERAL INFORMATION 7 it provides important information regarding installation safety and references to current norms A Before making the electrical connections or any checks make sure that work is not car ried out on live elements Figure 6 1 Electronic
23. the sheath from a length of approximately 70 80 mm taking care not to cut the wires contained inside the shielding metallic shield and or aluminium sheet and if present the bare con nector in contact with the shield and the wires contained within 4 Roll the shielding and connect it to a 4 mm eyelet terminal as illustrated in Figure 6 14 Connection from CAN BUS to connector P8 49 details C and D Now pro ceed as follows 5 Connect the three coloured wires to the orange connector as shown in detail A in the figure Observe the 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 figure e ifthe is an intermediate node on the network carry out also point 6 ifthe DDC is a terminal node on the network skip step 6 and go directly to step 7 6 Intermediate nodes only repeat the operations from step 1 to step 4 for the other length of CAN bus cable required Now proceed with step 5 and to con nect the cable to orange connector refer to detail B in the figure Then proceed to point 7 7 8 Installation use andmaintenance manual GAHP Line AR Series Fit the orange connector with the wires attached first through the slot in the DDC s cover and then into the socket on the DDC itself Use the rear cover bolts located near the CAN BUS socket to secure the 4 mm eyelet or 2 eyelets detail D Figure 6 14 Con
24. the value in agree ment with the gas network pressure of the country of installation see Table 5 2 Network gas pressure 30 Exemple for the Italian market for the G30 gas from 1 5 bar to 0 030 30mbar for the G31 gas from 1 5 bar to 0 030 bar 30mbar A LPG may cause corrosion piping and fitting materials must be resistant to this 277 corrosion Vertical gas pipes must be equipped with a siphon and provided with a drain for the con densate that may form inside the pipe during cold periods It may also be necessary to insulate the gas pipe to prevent the formation of excessive condensate A In any case provide an isolation valve ball valve on the gas supply line to isolate the appliance when required Table 5 2 Network gas pressure BG CZ DK EE FI GR LT LV NO IT RO SE SK SI TR AT CH CZ 2H3B P pe BG EE ES GB IE LT LV PT SK SI 2ELL3B P DE 2Esi3P FR 2E3P LU 213 NL 2 PL IS 2E RB lp For data regarding hourly fuel consumption ofthe appliance refer to Paragraph 3 4TECH NICAL DATA 11 5 5 FILLING OF HYDRAULIC CIRCUIT After having completed all hydraulic gas and electrical connections the installer can proceed filling the hydraulic circuit observing the following steps e Activate the automatic air vent valves on the system circuit Fill the hydraulic circuit ensuring the
25. to be set The correct values of these parameters for optimum performance of the appliance with the plant to be used connected have already been set during installation In any case to set new values for the parameters see Paragraph 5 7 PROGRAMMING OF HYDRAULIC PARAMETERS 32 Menus 4 5 6 and 7 exclusively concern the installation technician and Robur s author ized Technical Assistance Centre Menu 8 may currently be selected but not used Display and knob The controller s display can be viewed through the glass of the viewing aperture on the front panel of the appliance Upon activation all display s LED s light up and then the name of the controller dis plays Subsequently if the on off command switch is set to ON the appliance begins to operate During correct operation the display shows alternately the following information outlet water temperature inlet water temperature and the difference between the two water temperatures see Table 4 2 Operating information 17 where is displayed an example of a operating cooling mode Table 4 2 Operating information OPERATING MODE COOLING PARAMETER THE DISPLAY SHOWS Cold inlet water temperature 12 0 Cold outlet water temperature 7 0 Differential temperature outlet inlet 5 0 Example of data visualised on display water temperature and differential If there are operating problems the display shows sequentially the operating codes
26. to support the weight of the appliance A During winter operation the appliance on the basis of temperature and humidity condi tions of the outside air can carry out defrosting cycles that cause the layer of frost ice on the fan coil to melt Take this possibility into consideration adopting appropriate meas ures for example a containing step and channelling of water into a suitable drain in or der to prevent uncontrolled spread of water around the appliance and the consequent risk that a layer of ice will form with the danger of falls on the part of passing people The manufacturer may not be held responsible for any damage arising from the failure to observe this warning Installation at ground level OFICIESLJFA puo If a horizontal base is not available see also Supports and levelling it is necessary to create a flat level base in concrete at least 100 150 mm larger than the dimensions of the base of the appliance on each side For the dimensions refer to the tables in Paragraph 3 4 TECHNICAL DATA 11 Provide a containing step and a suitable drainage channel for the defrosting water Installation on a terrace or roof Position the appliance on a levelled flat surface made of fireproof material see also Sup ports and levelling The structure of the building must be able to sustain the weight of the appliance added to that of the supporting base For the weight refer to the tables in Paragra
27. used If automatic loading systems are used a seasonal check of the quantity of glycol present in the plant is also necessary Table 5 3 Technical data for filling the hydraulic circuit WATER GLYCOL MIXTURE FREEZING TEMPERATURE PERCENTAGE OF INCREASE IN PRESSURE DROPS LOSS OF EFFICIENCY OF UNIT 5 6 EXHAUST FLUE GAS The appliance is approved for the connection of the combustion product exhaust pipes present on each single unit to a flue linked directly to the outside Each single unit is provided with a connection of 80 mm equipped with a suitable seal located on the left side see Figure 5 5 32 and outlet in a vertical position If the type of installation and or current regulations require the canalisation of combus tion products for the sizing of the flue duct for combustion products refer to the Design Manual The appliance is complete with an exhaust duct kit to be fitted by the installer The exhaust duct kit consists of see Figure 5 5 32 e 1 exhaust air pipe 80mm length 750 mm e N 1 T connector e N 1condensate trap e N 1terminal N 1clamp for fixing pipe to left side panel e 4 hoseclamps e 1 hose adaptor and condensate drain pipe in silicone rubber To assemble and fit the external exhaust air duct installation kit for each single unit of the appliance proceed as follows ide You will need the appliance positioned in its installation site 1
28. 0 V 1 N 50 Hz electricity supply EA Disconnect the appliance from the electrical power supply via the external disconnect ing switch only after having performed the shutdown cycle via the DDC and having waited for it to terminate approximately 7 minutes A Make sure the ground cable is longer than the live cables In this way it will be the last wire to be pulled away if the mains cable should accidentally be pulled and will thus guaran tee the ground connection Do not use gas pipes to ground electrical appliances A wiring error as well as impeding the correct operation of the appliance could also damage the electrical apparatus that it contains Installation use andmaintenance manual GAHP Line AR Series MULTIPLE APPLIANCE PLANTS The appliance must be connected to a 230 V 1N 50 Hz power supply as follows see example in Figure 6 5 connection to electrical mains 230 V 1N 50 Hz 39 ide You will need the appliances hydraulically connected the external electrical panel con figured by the installation technician Necessary equipment and materials i Make sure that the electrical panel configured by the technician is equipped with a 2 pole 1 4 circuit breaker with minimum air gap of 3 mm and two type T fuses of suitable rating On each appliance remove the front panel and open the electrical panel by re moving the bolts securing it For each appliance provide FG7 O R 3Gx1 5 type cable I
29. 090990009090990000090090990009900090090909000009090009000909009090000900000000090000090000000009900000090900000090000000009000009090000000909999 LEGEND Anti vibration joints Manometer Flow regulator valve Water filter Cut off valve Water pump primary circuit Safety valve 3 bar Expansion tank of the unit Hydraulic separator inertial tank with 4 attack 10 Water pump secondary circuit 11 Direct Digital Controller Example of hydraulic plant diagram for connection of 2 appliances 5 4 GAS SUPPLY The installation of gas supply pipes must be compliant with current regulations and norms The gas supply pressure must be in the range given in Table 5 2 Network gas pressure 30 ONAN RAUN A Supplying gas to the appliance at pressures higher than those indicated above can dam i age the gas valve resulting in dangerous situations LPG systems must be equipped with a first stage pressure reducer close to the LPG stor age tank in order to reduce the gas pressure to 1 5 bar and a second stage pressure reducer close to the unit in order to reduce pression from 1 5 bar to
30. 1 20126 Milano Italy Se precisa que estos circuitos est n equipados de una v lvula de seguridad presi n de calibraci n 35 bar conforme a lo establecido en la Directiva 97 23 EC PED NL Hierbij verklaren wij dat de drukcircuiten 1 van de GasAbsorptie Koelers geproduceerd door ROBUR S p A serie GA ACF60 00 standaard e speciale versies 2 van de Gasabsorptiewarmtepomp geproduceerd door ROBUR S p A serie GAHP GS WS A AR standaard en speciale versies serie GAS HP G W A standaard en speciale versies voldoen aan de voorwaarden van de Pressure Equipment Directive 97 23 EC PED zoals gecertificeerd door EC Certificaat voor alle componenten onder druk Module Totale Qualiteits Garantie nummer CE 1370 PED H ROBOO1 10 ITA Gepubliceerd door BUREAU VERITAS ITALIA S p A Viale Monza 261 20126 Milaan Italie In het bijzonder is dit circuit uitgerust met een veiligheidsventiel drukmeter op 35 bar volgens de eisen van de 97 23 EC PED richtlijn ROBUR S p A Ing Davide Schiavon Quality and Safety Manager D FGL073 rev F 11 SDC 030 del 14 12 2011 coscienza ecologica caring for the environment Robur Spa tecnologie avanzate per la climatizzazione advanced heating and cooling technologies www robur it robur robur it via Parigi 4 6 24040 Verdellino Zingonia Bg Italy T 39 035 888111 F 39 035 884165 000000000990090000900099900009909000000900000009000000009090900090909000000090000000090000009090000
31. 2ROBUA caring for the environment Installation use andmaintenance manual Line AR Series Air Water reversible absorption heat pumpsfor heating and cooling medium large areas powered by gas and renewable energy Revision Code 0 82270 This manual has been drawn up and printed by Robur S p A whole or partial reproduction of this manual is prohibited The original is filed at Robur S p A Any use 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 publication are not affected With the aim of continuously improving the quality of its products Robur S p A reserves the right to modify the data and contents of this manual without prior notice Installation use andmaintenance manual GAHP Line AR Series INDEX OF CONTENTS 2 SAFETY WARNINGS sseseesccceecsoocecccooocecccocccccoccccccoeccecoocececoeceecoocececooceccssseeesese D 3 OVERVIEW AND TECHNICAL 5 Hi GENERAL INFORMATION ra 7 22 NOTES ON OPERATION OF THE APPLIANCE eine 3 3 TECHNICAL MANUFACTURING CHARACTERISTICS 34 TECHNICAL DATA arcos 3 5 DIMENSIONS AND SERVICE PANEL 4 NORMAL OPERATION cocicinsonciinsiiniccsic sisi creara 14 4 1 START UP AND SHUT DOWN ria 47 ON BOARD ELECTRONICS ee 43 RESET OPERATIONS AND MANUAL DEFROST
32. 90090000000000000009000000090909000999909 SAOBUF ISO 9001 2000 VERSION ISO 14001 Robur is dedicated to dynamic progression in research development and promotion of safe environmentally friendly energy efficiency products through the commitment and caring of its employees and partners Robur Mission fROBWF caring for the environment Robur Spa tecnologie avanzate per la climatizzazione Via Parigi 4 6 24040 Verdellino Zingonia Bg Italy 39 035 888111 F 39 035 884165 www roburit robur robur it Revision H Code D LBR270 12 MCM SDC 008 30 04 2012
33. DC available as an accessory refer to Paragraph 6 4 USE OF THE DIRECT DIGITAL CONTROLLER 44 Figure 6 8 __ oT 08 LEGEND IT EJ SCH Electronic board S61 os A NG UNE MAIN GJ ey CS On Off command switch FAN CONTACT 230V 230V BOX Rwvo on off room thermostat programmable timer other itt oa 111111 AAA W Y hot cold selector summer winter SCH R 24 Vac common power supply terminal W On Off command terminal hot operation CS Y On Off command terminal cold operation I W Y W Y 00000000000 Example of electrical connection of on off commands 6 4 USE OF THE DIRECT DIGITAL CONTROLLER This paragraph is dedicated to the installation of the Direct Digital Controller DDC It gives full information on the installation and connection of the device to the appliances Proceed as follows qualified installation technician only 1 How to fit the Direct Digital Controller DDC 2 How to supply power to the Direct Digital Controller DDC 3 How to connect the Direct Digital Controller DDC to the appliance Figure 6 9 CCI DDC 45 gives rear and front views of the DDC along with its electrical connecti
34. ET METHOD FAULT ON RESET CIRCUIT OF FLAME CONTROL UNIT Fault on reset circuit of flame control unit Contact authorised Technical Assistance GENERATOR LIMIT TEMPERATURE THERMOSTAT High temperature detected by limit thermostat on body of generator Acknowledge the thermostat manually reset will be automatic as soon as fault condition is over GENERATOR LIMIT TEMPERATURE THERMOSTAT FUMES THERMOSTAT u_01 code active for 1 hour or u_01 code generated 3 times in 2 hours of operation High temperature detected by exhaust fumes thermostat Contact authorised Technical Assistance Reset occurs automatically when the condition that generated the code ceases FUMES THERMOSTAT u_02 code active for 1 hour or u_02 code generated 3 times in 2 hours of operation Reset may be performed from the CCI DDC or from the 561 board via menu 2 parameter 1 If codes u_02 and or E_02 occur again contact authorised TAC COLD WATER ANTIFREEZE THERMOSTAT Low temperature detected by cold outlet water sensor Reset occurs automatically when the condition that generated the code ceases with hysteresis of 2 C Installation use andmaintenance manual GAHP Line AR Series INADEQUATE VENTILATION u 604 CONDENSER OVERHEATING TCN TA values gt limit set Reset occurs automatically 20 minutes after the Code is generated m Carry out appropriate checks Reset may be performed from the
35. ING 44 OPERATING SETTINGS encotrar 4 5 PROLONGED PERIODS OF DISUSE 5 HYDRAULIC INSTALLATION eee eee eene eene neon osse ee 22 5 1 GENERAL INSTALLATION adi 22 5 2 POSINION OE THE APPLIANCE 5 3 EE 5 4 GAS SUPPLY itor 5 5 FILLING OF HYDRAULIC CIRCUIT 5 6 EXHAUST FLUE GAS 5 7 PROGRAMMING OF HYDRAULIC PARAMETERG sssssssescsssscssescssessssessssessssescssecssssesssessssesssecssssessscssseesssseesseessseseaneass 32 6 ELECTRICAL INSTALLATION nici 6 1 CONNECTING THE APPLIANCE TO THE MAINS eene 6 2 ELECTRICAL CONNECTIONS FOR THE SYSTEM CIRCULATOR 6 3 CONNECTIONS FOR CONSENT SWITCH OPERATION EENEG 64 USE OFTHE DIRECT DIGITAL CONTROLLER eigene 6 5 HOWTO RESET THE FLAME CONTROLLER FROM REMOTE EEN 7 INITIAL ACTIVATION AND 1 1 71 PROCEDURE FOR FIRST START UP 72 MAINTENANCE RP 9 OPERATING CODES TROUBLESHOOTING cccccccsssssssssssssssessesscsessssseees OO 9 1 OVERVIEW AND OPERATING CODES TROUBLESHOOTING t 66 DECLARATLON OF CONFORMITY ccccsccsssssossssscscccsssscsscsscsscccccssssssesesssseeses BO OFICELIFT 1 PREFACE This Installation use andmaintenance manual is
36. Insufficient water flow Code u_10 is generated 5 times since appliance was powered or code u_10 is active for 2 hour Reset may be performed from the CCI DDC or from the 61 board via menu 2 parameter 1 If the code persists contact authorised TAC INSUFFICIENT ROTATION OF OIL PRESSURE PUMP Insufficient rotation of oil pressure pump Reset occurs automatically 20 minutes after the code is generated INSUFFICIENT ROTATION OF OIL PRESSURE PUMP u_11 code generated twice in 2 hours of operation Reset may be performed from the CCI DDC or from the 61 board via menu 2 parameter 1 If the code persists contact authorised TAC FLAME CONTROL UNIT ARREST Failure to ignite burner Reset occurs automatically when the solenoid valve opens again new ignition attempt or if the code persists for 5 minutes FLAME CONTROL UNIT ARREST Flame arrest signal Reset may be performed from the CCI DDC or from the 61 board via menu 2 parameter 0 If the code persists contact authorised TAC OUTLET WATER TEMPERATURE SENSOR DEFECTIVE Fault interruption or short circuit on outlet water temperature sensor Reset may be performed from the CCI DDC or from the 61 board via menu 2 parameter 1 If the code persists contact authorised TAC COLD INLET WATER TEMPERATURE SENSOR DEFECTIVE Fault interruption or short circuit on condenser outlet temperature sensor Reset may be performed from the
37. NGLE APPLIANCE PLANTS The appliance must be connected to a 230 V 1N 50 Hz power supply as follows see example in Figure 6 4 Electrical wiring diagram 38 A D lt 08 You will need the appliance connected hydraulically external electrical panel config ured by the installation technician Necessary equipment and materials 3 Make sure that the electrical panel configured by the technician is equipped with a 2 pole circuit breaker with minimum air gap of 3 mm and two 5A typeT fuses 1 Remove the appliance s front panel and open the electrical panel by removing the bolts securing it 2 Prepare a cable of the FG7 O R 3Gx1 5 type for the power supply to the appliance 3 Locate inside the electric panel of the appliance the TER terminal and make the connection as shown in the example 4 Oncompletion restore the appliance to its fully assembled condition X The insertion of relays or other electrical components inside the General Electrical Panel of the appliance is not permitted Do not activate the appliance if the hydraulic plant has not been filled Figure 6 4 Electrical wiring diagram er LEGEND a gt TER TER terminal board lle L phase VW N neutral mea Components NOT SUPPLIED L4 GS general switch D 1 J 16S L EJ le N Example of connection of appliance to 23
38. PROCE DURE FOR FIRST START UP 57 Contact your local Authorised Robur Technical Assistance Centre TAC To find out who your local TAC is contact Robur S p A tel 39 035 888 111 The guarantee could be voided if the initial activation is not carried out and validated by a Robur TAC Operation and maintenance of the appliance To ensure the correct operation of the appliance and to avoid failures control of the switching on and off of the appliance must be carried out exclusively via a switch located on the on off command circuit If the appliance is to be connected to a Direct Digital Controller DDC available as an ac cessory control of activating and deactivating the appliance must be performed exclu sively through the DDC itself In conditions of correct operation of the appliance it absolutely must not be switched on and off by removing power upstream from the on off commands DDC or other switch before having operated these first and waiting for the shutdown cycle to end approxi mately 7 minutes If the appliance fails to operate correctly with the consequent indication of the Ma chine code follow the instructions of Paragraph 9 1 OVERVIEW AND OPERATING CODES TROUBLESHOOTING 66 In the event of failure of the appliance and or breakage of any component do not at tempt to repair and or restore operation proceed as follows 3 2 Installation use andmaintenance manual GAHP Line AR Serie
39. SSURE TEST PRESSURE IN AIR SAFETY VALVE PRESSURE CALIBRATION FILLING RATIO 0 157 SEALED SYSTEM TARE 245 FLUID GROUP GROUP 1 Installation use andmaintenance manual Line AR Series 3 5 DIMENSIONS AND SERVICE PANEL Figure 3 2 GAHP AR dimensions LEGEND A Position of holes for fixing of anti vibration joints B 1545 mm for S version reduced noise Front and right side views dimensions in mm Figure 3 3 GAHP AR service plate LEGEND G Gas connection D 3 4 F A Outlet water 1 1 4 F B Inlet water D 1 1 4 F n G 5 8 1 108 164 181 Detail of hydraulic and gas connections dimensions in mm SAO BLT 4 1 1 NORMAL OPERATION In this section you will find all the indications necessary for the activation regulation and control of operation of the appliance via the controller present in the electrical panel START UP AND SHUT DOWN Efficient operation and long life of the appliance depend largely on its correct use Before activating the appliance check that e the gas valve is open e the appliance is powered electrically the general electrical switch GS must be in the ON position e the installation technician has ensured that the hydraulic circuit is supplied in the correct conditions If these conditions are satisfied it is poss
40. TO ACCESS THE MENUS Para b If the appliance is connected to a DDC follow the instructions given in the DDC manuals da graph 4 2 ON BOARD ELECTRONICS 15 Table 5 4 Parameters for hydraulic configuration 32 gives the three parameters used for hydraulic configuration Table 5 4 Parameters for hydraulic configuration Select cold water thermostating Cold water set point Cold water temperature differential Hot water thermostat control selection Hot water setpoint Hot water temperature differential EXIT MENU Menu 3 parameters Installation use andmaintenance manual GAHP Line AR Series Description of parameters e Water thermostating parameters 73 and 160 These parameters may have two values 0 or 1 Value 0 indicates that the appliance s activation deactivation temperature is to be read by the water probe at the appliance s INLET Value 1 indicates that the appliance s activation deactivation temperature is to be read by the water probe at the appliance s OUTLET e Water set point parameters 75 161 These parameters set the water tem perature that when reached causes the appliance to be deactivated e Water differential parameters 76 and 162 These parameters represent an inter val in degrees that when added to the set point defines the temperature at which the appliance is reactivated Operation in cooling mode The appliance functions by cooling t
41. a all attivit di direzione e coordinamento di Fin Robur S a p A di Benito Guerra amp C Installation use andmaintenance manual GAHP Line AR Series Figure 2 6ROBUA Dichiarazione di Conformita n Declaration of Conformity n D claration de conformit n Konformitatserklarung N Declaraci n de Conformidad n Verklaring van conformiteit n Zingonia li den 14 12 2011 IT Con la presente si dichiara che i circuiti a pressione 1 del Refrigeratore d acqua a gas ad Assorbimento prodotto da ROBUR S p A serie GA ACF60 00 standard e versioni speciali 2 delle Pompe di Calore a gas ad Assorbimento prodotte da ROBUR S p A serie GAHP GS WS A AR standard e versioni speciali serie GAS HP G W A standard e versioni speciali rispondono ai requisiti richiesti dalla Direttiva sulle attrezzature a pressione 97 23 CE PED come comprovato dal Certificato CE di Valutazione di Conformit nell Insieme MODULO H Garanzia Qualit Totale numero CE 1370 PED H ROB001 10 ITA Rilasciato da BUREAU VERITAS ITALIA S p A Viale Monza 261 20126 Milano Italy Si precisa che tali circuiti sono dotati di una valvola di sicurezza pressione di taratura 35 bar conforme ai requisiti della stessa Direttiva 97 23 CE PED D FGL073 rev F 11 SDC 030 del 14 12 2011 coscienza ecologica caring for the environment Robur Spa tecnologie avanzate per la climatizzazione advanced heating and
42. age the unit s water am monia exchanger Close the gas supply before working on the gas circuit On completing work on the gas circuit check for leakages as required by established regulations Do not operate the appliance if dangerous conditions exist odour of gas in the grid or near the appliance problems with the electrical gas grid or hydraulic circuit parts of the appliance submerged in water or otherwise damaged controls or safety compo nents bypassed or defective In these cases ask for assistance to professionally qualified personnel If you smell gas donot use electrical devices such as telephones multimeters or other equipment that can cause sparks next to the appliance e shut off gas supply closing the isolation valve e cutoff electrical power opening the main breaker upstream of the appliance to be provided by the electrical installer in an appropriate panel SAO BLFT ask for assistance to professionally qualified personnel from a telephone distant from the appliance Moving parts also during the appliance s start up and shut down cycles Do not remove guards Make sure the appliance cannot be started up inadvertently POISONING HAZARD Make sure the flue gas components are tight and compliant with established regulations After any intervention on these parts check for tightness BURN HAZARD The appliance contains numerous hot parts Do not open up the appliance or touch the fum
43. ages required to move it in order to position it on the site perform a visual check to ascertain that there are no evident signs of breakage or damage to the packaging or to the external panels which would be signs that damage occurred during transport Packing materials must be removed only after the appliance has been positioned on site After removing the packing materials ensure that the appliance is intact and complete Installation of the appliance may only be carried out by professionally qualified personnel by i e firms qualified according to the current legislation of the country of installation Professionally qualified personnel means personnel with specific technical competence in the sector of heating cooling installations and gas appliances Installation of the appliance must be carried out in compliance with current local and national regulations regarding the design installation and maintenance of heating and cooling plants in accordance with the manufacturer s instructions In particular current regulations regarding the following aspects must be respected Gas equipment Electrical equipment Refrigeration plants and heat pumps Every other standard and regulation concerning the installation of equipment for summer and winter air conditioning using gas fuel The manufacturer does not accept any contractual or extra contractual liability for any damage caused by errors in installation and or failure to observe the abovem
44. ain the param eter has been set to its new value 5 Turn the knob to display the next parameter The display shows 3 75 or 3 161 Press the knob to access the value the displays shows the preset value e g 60 flashing to indicate that it can be modified 6 Press again to confirm 60 water temperature setpoint to modify the value turn the knob until the desired value displays e g 40 press again to confirm 40 water temperature setpoint 7 The display now shows the current parameter 3 75 or 3 161 again the param eter has been set to its new value 8 Turn the knob to display the next parameter The display shows 3 76 or 3 162 To access a parameter press the knob the displays shows the preset value e g 10 flashing to indicate that it can be modified 9 Press again to confirm 10 water temperature differential to modify the value turn the knob until the desired value displays e g 2 Press again to confirm 2 water temperature differential 10 At this point the display shows the current parameter 3 76 or 3 162 again the parameter has been set to its new value 11 To quit menu 3 turn the knob clockwise until the quit screen displays E The dis play shows 3 E press the knob The display will now show the current menu 3 To exit the menu selection screen turn the knob clockwise until E displays press to confirm T The controller s display
45. alidate the guarantee of the appliance The appliance is supplied with all of its units already regulated for the type of gas for which the appliance itself is set up The type of gas for which the appliance is set up can be identified from the adhesive label located on the unit s electric panel During the first start up procedure it is in any case necessary to perform checking and regulation of pressure at the burner of all units of the appliance proceed as follows referring to the parameters indicated in Table 7 1 61 and Figure 7 1 61 You will need the appliance connected to the gas and electricity supply switched off with the gas valve closed and the front panel removed Operations to check the static gas mains pressure 1 Unscrew the fixing screw of the gas pressure intake detail B in Figure 7 1 61 2 Connect the manometer to the gas intake mains pressure 3 Open the gas valve 4 Readthe value of the static network pressure on the manometer and check that the value read is equal to that stated in Table 5 2 Network gas pressure 30 with tollerance 15 Close the gas valve 6 Remove the manometer and retighten the fixing screw of the gas pressure intake Operations to regulate the gas flow 7 With gas valve closed unscrew the fixing screw of the gas pressure outlet detail C Figure 7 1 61 8 Connect the manometer to the gas pressure outlet 9 Open the gas valve 10 Supply electrical power
46. ary to enter and complete the unit operating y and characterisation parameters if the memory is damaged the controller must be replaced u 681 NVALID BANK 1 PARAMETERS Invalid Bank 1 data Bank 2 data OK Reset occurs automatically 5 seconds after the code is generated u 682 NVALID BANK 2 PARAMETERS Invalid Bank 2 data Bank 1 data OK Reset occurs automatically 5 seconds after the code is generated _ Reset may be performed from the DDC or from the 561 board via E681 NVALID BANK 1 PARAMETERS Invalid Bank 1 data Bank 2 data OK menu 2 parameter 1 If the code persists contact authorised TAC Reset may be performed from the DDC or from the 561 board via 682 NVALID BANK 2 PARAMETERS Invalid Bank 2 data Bank 1 data menu 2 parameter 1 If the code persists contact authorised TAC u 683 RY and RW CONTACTS Both RY and RW contacts are simultaneously The Code clears automatically when at least one of the two ACTIVATED SIMULTANEOUSLY closed contacts opens Check fuses and 24 0 24 V AC electrical power connections on the 684 FAULTY TRANSFORMER e E e controller Reset may be performed from the CCI DDC or from the CONNECTION OR 24 V AC FUSES hot ali ina current 561 board via menu 2 parameter 1 If the code persists or occurs pplying i again contact authorised TAC E 685 INCORRECT MODULE TYPES The set module type from menu 6 does not Reset occurs automatically when correct parameters are entered If from menu 6 corre
47. ation 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 gas supply line or temporary power failure The appliance can be reset with S61 controller menu 2 or the DDC if present in this lat ter cases refer to their documentation Reset Installation use andmaintenance manual GAHP Line AR Series appliance controller The items available in menu 2 through which it is possible to perform the actions permit ted are 0 execution of flame control unit reset and 1 execution of board error reset selecting E quits the menu see Table 4 3 Menu 2 19 For regulatory reasons the flame controller reset is ina dedicated menu 2 0 Table 4 3 Menu 2 MENU OPTION NECESSARY TO SHOWN ON DISPLAY AS Reset flame controller arrest Reset altri errori Manual defrost EXIT MENU Menu reset operation and manual defrosting ACTION 0 reset flame controller arrest this may be used when the appliance is first ac tivated see Paragraph 4 1 START UP AND SHUT DOWN 14 or after a long period of disuse see Paragraph 4 5 PROLONGED PERIODS OF DISUSE 20 idi You will need access to the electrical panel see Paragraph Display and knob To reset the flame control unit select menu 2 as indicated in the Paragraph Accessing the Menus then proceed as follows 1
48. ay only be viewed on the display of the DDC and may be cleared only through the DDC Operating codes generated by the electronic board during the start up of the appliance If the appliance remains inactive for a prolonged period it is possible that air 15 present in the gas pipes In this case activation fails and the appliance reports the operating code u_12 flame controller arrest temporary see Table 9 1 TABLE OF OPERATING CODES generated by the S61 electronic board firmware version 3 021 66 and after a brief interval the appliance automatically launches the start up procedure again If code u_12 is signalled 3 times on successive activation attempts the code persists the appliance locks out the flame controller and displays the following operating code E_12 flame controller arrest see Table 9 1 TABLE OF OPERATING CODES generated by the S61 electronic board firmware version 3 021 66 In this case reset is not automatic To restore operation of the appliance carry out a reset of the flame control unit via menu 2 of the controller the procedure is illustrated in Paragraph 4 3 RESET OPERATIONS AND MANUAL DEFROSTING 18 After it is reset the appliance will make a new attempt to activate If the appliance locks out several times contact a Robur TAC by calling the office Technical Service of Robur S p A tel 035 888 111 When activation is successful the appliance is managed by the on board controller see fo
49. ay will show the first of the menu s parameters in this example 0 0 or 0 40 2 menu 0 parameter O or 40 7 Inthe same way turn the knob to scroll through content menus parameters ac tions press the knob to select confirm the content access a menu display set a parameter execute an action quit or return to the previous level For example to quit the menus turn the knob to scroll through menus 0 17 2 etc until the controller displays the quit screen E now press the knob to quit 11 Inthe case of menus 0 and 1 the user can view any parameter For how to access to menu 2 2 referto Paragraph 4 3 RESET OPERATIONS AND MANUAL DEFROSTING 18 To set the parameters of menu 3 refer to Paragraph 5 7 PROGRAMMING OF HYDRAULIC PARAME TERS 32 The other menus are not for the User the information in these menus is dealt with in the sections dedicated to the installation technician or Robur TAC 1 The special key allows the knob of the electronic board to be operated without opening the cover of the electrical panel so that operators are protected from live components When the necessary settings have been completed put away the special key replace the cap on the aperture of the electrical panel and refit the front panel of the appliance 4 3 RESET OPERATIONS AND MANUAL DEFROSTING There are several possible reasons why the appliance may have error status and therefore its operation arrested such an error situ
50. ce Employee Communications system for remote handling control and supervision of installation O DSP000 Can be used in combination with the DDC The WISE unit has an integral antenna 1 RS232 serial cable 1 cable with telephone jack 1 CD ROM Robur NETBUS CAN BUS CABLE Cable for data communication networks for network connection between DCC and appliance 0 0008 Maximum length 450 m for details see the electrical connections section SAO BLT 9 OPERATING CODES TROUBLESHOOTING OVERVIEW AND OPERATING CODES TROUBLESHOOTING If during the operation of the appliance the display of the controller of the appliance or also of the display of the Direct Digital Controller if connected signals an operating code it is necessary to make a note of the indications shown on the display e consult the specific list of the operating codes For the operating codes generated by the controller of the appliance refer to Table 9 1 TABLE OF OPERATING CODES generated by the 561 electronic board firmware version 3 021 66 If the appliance is connected to a DDC a list of the operating codes gener ated by the DDC is provided in the DDC s manual see installation technician manual manual 1 e out the instructions contained in it scrupulously contact your Authorised Robur Technical Assistance Centre when instructed to do so If after performing these operations the appliance does n
51. ceases moreover the code is reset during E647 LOW HOT WATER TEMPERATURE operation of the circulator the hot cold transition too In Cooling mode the code is not managed If codes occur again contact authorised TAC HOT WATER DIFFERENTIAL Reset occurs automatically 20 minutes after the operating code is u 648 TEMPERATURE TOO HIGH High hot water differential temperature generated In Heating mode reset may be performed from the CCI DDC or 648 HOT WATER DIFFERENTIAL u_48 code generated twice in 2 hours of from the 561 board via menu 2 parameter 1 moreover the code is TEMPERATURE TOO HIGH operation reset during the hot cold transition too In Cooling mode the code is not managed If the code persists contact authorised TAC 649 SATELLITE BOARD NOT PRESENT Satellite board not present Reset occurs automatically when the condition that generated the code ceases OFICIESLJFA ANTIFREEZE FUNCTION ACTIVATED COLD SIDE Activation takes place only if Inlet or outlet water temperature of the cold module falls below 4 C the code generated Reset deactivation of antifreeze function occurs automatically when with only the circulator on the inlet and outlet water u 651 the plant water circulator is off signals that the antifreeze function has been GE and the antifreeze function is activated In this case the anti
52. ching on and off of the appliance not via the DDC but via the exter nal switch connecting the appliance to the power supply mains GS fitted by the electrical installation technician on a suitable panel e damages or failures of the appliance due to transportation or installation e smell of gas due to probable leaks from the plant itself and in any case all situa tions that are due to non compliant plants considered after on site evaluations potentially hazardous Anomalous plant situations If one of the following situations exists the TAC may carry out the initial activation at its discretion but the appliance will be left off until condi tions dictated by the manufacturer are restored Installation use andmaintenance manual GAHP Line AR Series installations not potentially hazardous not carried out according to sound work manship practices installations not potentially hazardous not complying with current national and local regulations installations not potentially hazardous not carried out according to good workmanship practices not complying with the instructions provided by the manufacturer installations that can cause operational troubles on the appliance Regulation of gas flow to the burners and switching on of the appliance To carry out the initial activation of the appliance it is necessary to perform the opera tions described below proceeding according to the following sequential order 1
53. cold appliances modules are al ways Active modules In the 2 pipe type hot or cold the Active module is the one that operated the last shutting off cycle the other module will be the Passive module If the appliances are controlled by a DDC if the DDC manages a 2 pipe type plant only hot or only cold or a 4 pipe type plant hot and cold the modules of the appliance are always all Active modules if the DDC manages a 2 pipe type plant hot or cold the Active module of the appli ances is determined by the function set on the DDC As an example if on the DDC is set the heating function all the hot modules managed by the DDC will be the Active mod ules ofthe appliance All the cold modules managed by the same DDC will instead be the Passive modules of the appliance Itis therefore necessary to ensure a continuous supply of electricity and gas to the appli ance throughout the whole of the winter period If it is not possible to ensure a continu ous supply of electricity and gas to the appliance use glycol antifreeze of the inhibited monoethylene type SAOBUF If glycol antifreeze is to be used in the hydraulic circuit DO NOT USE galvanised pipes and connections Consult the notes on Possible use of glycol antifreeze contained in Paragraph 5 5 FILL ING OF HYDRAULIC CIRCUIT 30 and in any case the technical specifications of the glycol to be used The sizing of the pipes and pump must guarantee t
54. cooling technologies www robur it robur robur it via Parigi 4 6 24040 Verdellino Zingonia Bg Italy T 39 035 888111 F 39 035 884165 OFICIESLJFA Figure 3 090090009000000909090009000900000090909000900000000909909090090000000000090000009090009009090009090000909009000000900000000000000090000090990099 6ROBLUA UK We hereby declare that 1 pressurized circuit of the Gas Absorption Chiller manufactured by ROBUR S p A series GA ACF60 00 standard and special versions 2 pressurized circuit of the Gas Absorption Heat Pump manufactured by ROBUR S p A series GAHP GS WS A AR standard and special versions series GAS HP G W A standard and special versions comply with Pressure Equipment Directive 97 23 EC PED requirements as proofed with EC Certification of all the components under pressure MODULE H for Total Quality Assurance number CE 1370 PED H ROB001 10 ITA Issued by BUREAU VERITAS ITALIA S p A Viale Monza 261 20126 Milan Italy In particular these circuits are equipped with one safety valve pressure gauge set at 35 bar conforming to the requirements of 97 23 EC PED Directive FR Nous d clarons par la pr sente que les circuits herm tiques
55. cription of menu of S61 controller The parameters and settings of the appliance are grouped in the menus shown on the controller s display Installation use andmaintenance manual GAHP Line AR Series Table 4 1 Menu of electronic board Menu 0 VIEW DATA TEMPERATURE VOLTAGE PUMP SPEED ECC L 1 VIEW ALL PARAMETERS ENTER ACTIONS USER SETTINGS THERMOSTATING SET POINT T DIFFERENTIAL STALLATION TECHNICIAN SETTINGS TECHNICAL ASSISTANCE CENTRE SETTINGS MACHINE TYPE VIEW DIGITAL IMPUTS MENU NOT USED 0 1 2 3 4 TECHNICAL ASSISTANCE CENTRE SETTINGS 5 6 H 8 EXIT MENU Menu list of electronic board H Menus 0 1 and 7 are Viewing Menus they only allow the information displayed to be read and not modified Menu 0 shows the appliance operating data in real time Menu 1 shows the parameters that characterise the operation of the appliance and their current values Menu 7 is to be used ONLY by the Robur TAC To view the information contained in these menus proceed as illustrated in the proce dure explained below HOW TO ACCESS THE MENUS Menu 2 is an execution menu it allows the operations of resetting the flame control unit error reset and the manual defrosting command to be performed To perform these procedures see Paragraph 4 3 RESET OPERATIONS AND MANUAL DEFROSTING 18 Menu 3 5 a settings menu it allows the values displayed
56. d to the mains by performing the fol lowing points in order connect the manometer points 1 and 2 start the appliance again points 11 and 12 read the dynamic mains pressure on the manometer and check that this value sat isfies the requirements of point 4 see also Table 5 2 Network gas pressure 30 Carry out the regulation of the operating parameters of the plant Inthe first start up stage on the display of the controller of the appliance and or on the display of the DDC if connected an operating code might be visualized the operat ing code is generated by the controller of the appliance see the list of codes in tables of Paragraph 9 1 OVERVIEW AND OPERATING CODES TROUBLESHOOTING 66 if the operating code is generated by the DDC see the list of codes given in the installation technician manual book 1 of the DDC supplied with the unit i Successful first start up ONLY certifies the correct operation of the appliance and of the hm 4 if connected It does NOT certify that the plant complies with current regulations OFICIESLJFA Regulation of gas flow In the phase of initial activation of the appliance regulation of gas flow to the burners of the units of the appliance must be carried out exclusively by an authorised Robur Techni cal Assistance Centre TAC In this phase NEITHER the user NOR the installation techni cian is authorised to perform such operations and could inv
57. dentify inside the electric panel of the appliance the TER terminal and make the connection as shown in the example On completion restore the appliances to their fully assembled condition 4 i The insertion of relays or other electrical components inside the General Electrical Panel of the appliance is not permitted Do not activate the appliance if the hydraulic plant has not been filled Figure 6 5 connection to electrical mains 230 V 1N 50 Hz LEGEND TER terminal board L phase N neutral Components NOT SUPPLIED GS general switch Py _ LIU elo o o o TER o O OJOJO TER SES C969 69 N FIN i NN 5 psu L 230V 1 50 Example of connection of more than one appliance to the mains 3 Disconnect the appliance from the electrical power supply via the external disconnect ing switch only after having performed the shutdown cycle via the DDC and having waited for it to terminate approximately 7 minutes OFICIESLJFA 6 2 f gt Make sure the ground cable is longer than the live cables In this way it will be the last wire to be pulled away if the mains cable should accidentally be pulled and will thus guaran tee the ground connection Do not use gas pipes to ground electrical appliances
58. dicating the type of gas for which the appli ance was set up with one that indicates the new type of gas used complete the gas change operation by checking that all gas pipe connections including those that are not directly affected by the current procedure are cor rectly sealed use a solution of soap and water or another suitable means for this purpose refit the front left panel and finally the front panel OFICIESLJFA Figure 7 2 CHANGE OF GAS TYPE LEGEND 40 fixing nozzle metal ring 55 gas valve 56 nozzle 57 o ring 58 gasket 72 air inlet blower 75 air diaphragm 77 fixing gas pipe Diagram of reference for the gas change Installation use andmaintenance manual GAHP Line AR Series 8 ACCESSORIES This section contains a list of the accessories that are available for the installation and use of the appliance To order these accessories contact Robur S p A on 39 035 888111 Table 8 1 Appliance accessories ANTIVIBRATION MOUNT KIT for base RTCF 120 00 Kit consisting of 4 anti vibration feet to be fixed in the holes already provided on the beams of the base NTV008 Blocks impurities present in air drawn in
59. do posizione OFF l interruttore generale vedi particolare GS di Figura 6 4 Electrical wiring diagram 38 predis posto dall installatore in apposito quadro 3 Close the gas valve id Installation use andmaintenance manual GAHP Line AR Series Do not leave the appliance connected to power and gas supply if it is expected to remain inactive for a long period If you wish to disconnect the appliance during the winter one of the following two con ditions must be met 1 make sure that the hydraulic plant connected to the appliance contains ad equate percentage of glycol antifreeze see Paragraph 5 5 FILLING OF HYDRAULIC CIRCUIT 30 and Table 5 3 Technical data for filling the hydraulic circuit 31 activate the antifreeze function which runs the circulation pumps and the appli ance under 6 C To do this contact your hydraulic system installation technician This function requires the appliance to be ALWAYS powered up electricity and gas and power failures excluded Otherwise the manufacturer declines all con tractual and extra contractual liability for consequent damage Connecting the appliance before it is used again to be carried out by the installa tion technician Before starting this procedure the hydraulic system installation technician must ascertain whether the appliance requires any maintenance operations con tact your authorised Robur Technical Assistance Centre or consult Paragraph 7 2
60. e The on off commands are essential Do not switch the appliance on or off by connecting it to or disconnecting it from the power supply directly as this may be a source of danger and in any case damage the appliance or the plants connected to it Installation use andmaintenance manual GAHP Line AR Series For instructions regarding the use of the DDC refer to the two manuals supplied with it and in particular Final user manual manual 2 Visualising and clearing of operating codes Operating codes can be generated by the controller or by the DDC The operating codes generated by the controller are visualised on its display and may also be visualised on the display of the DDC if fitted Operating codes generated by the controller can be reset with the controller itself or from the DDC if fitted or where possible If these codes arise it is necessary to follow the instructions in Paragraph 9 1 OVERVIEW AND OPERATING CODES TROUBLESHOOTING 66 Fora description of the operating codes generated by the electronic board and how to reset them refer to the list of operating codes contained in Table 9 1 TABLE OF OPERAT ING CODES generated by the S61 electronic board firmware version 3 021 66 The controller see Figure 4 1 16 is located inside the electrical panel of the appliance and the display may be viewed through the viewing hole on the front panel of the unit itself The Machine Codes generated by the DDC m
61. e plant For example 1 circulator 3 appliances In such cases a three phase water circulator 400 V AC may be required SAO BLT i The choice of water circulator depends on the number of appliances being served as the specifications of the system water flow rate head etc which are determined during the design process Always follow the specifications of the system design documentation The following procedure refers to Figure 6 7 Electrical wiring diagram 43 which gives example of a three phase circulator 400 V AC connection To make the circulator appliance connection proceed as follows references to Figure 6 7 Electrical wiring diagram 43 ide You will need the appliances hydraulically connected water circulator in line with the system specifications e g three phase 400 V AC external electrical panel configured by the installation technician Necessary equipment and materials 1 Make sure that the external electrical panel is equipped with a power switch 4 pole with suitable motor thermal switch a secondary SELV safety transformer and control relay 1 On each appliance remove the front panel and open the electrical panel by re moving the bolts securing it 2 Prepare a suitable cable for the connection 3 Locate inside the electric panel of the appliance the NO Contact terminals on the controller SCH and hook up as shown in the Figure A Make sure the ground cable is lon
62. e unit GAHP A GAHP GS WS Clean the combustion chamber y y Clean the burner y y Clean the electrodes of ignition and flame sensing y y y y Check that the condensate discharge is clean clear the condensate discharge hole of any blockages Replace the silicone gasket iz In Section 5 HYDRAULIC INSTALLATION 22 are reported suggestions related to the hydraulic plant 7 3 si Installation use andmaintenance manual GAHP Line AR Series CHANGE OF GAS TYPE This operation must be carried out exclusively by an authorised Robur Technical Assist ance Centre If the appliance is to be used with a type of gas other than that indicated on the the adhe sive label located on the air gas mixing group switch off the appliance shut off its power and gas supplies and proceed as follows see Figure 7 2 CHANGE OF GAS TYPE 64 You will need the appliance switched off and disconnected from the gas electricity supplies Ts 2 10 11 12 13 remove the front panel and front left panel of the appliance unscrew the fixing screw of the gas supply pipe above the electrical panel of the appliance see Pos 77 unscrew the hexagonal nut that connects the brass nozzle to the air gas mixer see Pos 40 use a number 36 spanner for this purpose unscrew and replace the nozzle removed Pos 56 with one of a suitable diameter for the gas that is to be used position
63. ecessary equipment and materials OFICIESLJFA 1 Depending on the type of node being configured set the DDC s jumpers as shown in detail A or detail B in the figure If necessary open the DDC s back panel 4 bolts after the jumpers have been correctly positioned close the cover again and retighten the 4 bolts e ifthe DDC is an intermediate node on the network with no 6 wires in the orange connector set the jumpers as shown in detail B of the figure Jumpers OPEN e ifthe DDC is a terminal node on the network with no 3 wires in the orange con nector set the jumpers as shown in detail A of the figure Jumpers CLOSED Figure 6 15 detail wires and jumpers J21 terminal intermediate node CCI DDC LEGEND A detail case terminal node 3 wires J21 jumper closed DDC CCI DDC B detail case intermediate node 6 wires J21 jumper open 121 Jumper CAN BUS in CCI DDC board H L GND data signal wires Detail terminal and intermediate node jumpers position J21 closed open 1 Prepare the orange connector remove from envelope 2 Cuta length of cable long enough to allow it to be installed without kinking 3 Having chosen one end of the length of cable remove
64. ector 8 1 clamp and wire for 24 Vac supply 2 clamp and wire for 0 Vac supply H B 3 clamp and wire for ground contact H B required connection DDCTR safety transformer 230 24 Vac 50 60 Hz AL E pao VE F 5 IDE 1 2 DUC TR 0090000000090000090900900000090000090000000000000000900900000000000000900000000000000000000009090909000090000000000900000900900000002909 CCI DDC electric supply from external transformer If the CAN BUS cable has already been connected to the DDC next procedure 3 How to connect the Direct Digital Controller DDC to the appliance take care with the 4mm CAN BUS cable shielding eyelet or two eyelets use the retainer screw next to the CAN BUS socket bottom right to secure the eyelet or both eyelets as shown in Figure 6 14 Connection from CAN BUS to connector P8 49 The DDC is equipped with a backup battery which retains the memory settings in case of power failure The battery has a service life of around 7 years after which it must be replaced by the Robur TAC 3 How to connect the Direct Digital Controller DDC to the appliance The appliance and the DDC communicate with each other via the CAN network data network which is characterised by a number of nodes connected by the CAN BUS cable By a node of the data network we mean any device DDC appliance o
65. ed consider that each unit requires 11 000 m h of air for the coil Make sure that the installation and position allow for sufficient air flow to the coil and prevent recirculation which would re duce efficiency and shut down the appliance of the units and force them to switch off Position the appliance preferably out of range of rooms and or environments where strict silence is required such as bedrooms meeting rooms etc Evaluate the acoustic impact of the appliance on the basis of the installation site avoid locating the appliance in positions corners of buildings etc that could amplify the noise it produces reverb effect Installation use andmaintenance manual GAHP Line AR Series Figure 5 2 Clearances 5 3 HYDRAULIC CONNECTIONS General indications e The hydraulic plant may be created using pipes in stainless steel black steel cop per or crosslinked polyethylene suitable for heating and cooling plants All water pipes and connections must be adequately insulated in accordance with current norms to prevent heat dispersion and the formation of condensate e If glycol antifreeze is to be used see Paragraph 5 5 FILLING OF HYDRAULIC CIR CUIT 30 DO NOT USE galvanised pipes or pipe fittings as they are subject to potential corrosion phenomena when glycol is present e H using rigid pipes use vibration damping couplings at the water and gas connec tions on the appliance s service plate to p
66. el proceed as follows see example in Figure 6 11 CCI DDC electric supply 47 5 5 You will need the appliance disconnected from the electricity supply the external electri cal panel configured by the installation technician Necessary equipment and materials i Make sure that the external electrical panel is equipped with a 230 24 V AC 50 60 Hz safety transformer of at least 20 VA power 1 Remove the DDC s back panel by undoing the 4 bolts securing it detail A Figure 6 9 CCI DDC 45 2 Use an electrical power cord minimum cross section 2x0 75 mm 3 Pass the power cord DDC side through the hole in the DDC s cover and hook up as shown in the example with the following polarities terminal 1 24 V terminal 2 terminal 3 ground i Terminal 3 of the DDC s 4 pole connector AL must be in any case connected to a ground plant r lt 0 10 Terminal 2 of the DDC is connected internally to terminal 3 and is thus also connected to ground Make the grounding connection on the transformer terminal connected to terminal 2 of the DDC if the transformer already has one wire grounded it must be connected to this terminal 1 On completion close the DDC s back panel with the 4 bolts Installation use andmaintenance manual Line AR Series Figure 6 11 CCI DDC electric supply ES LEGEND O DDC CCI DDC AL supply 4 poles conn
67. ensure that this Installa tion use andmaintenance manual is handed over to the new owner and installation technician NOTES ON OPERATION OF THE APPLIANCE The appliance powered by 230 V 1N 50 Hz electrical power During operation combustion products are exhausted via the discharge terminal at the left side of the appliance with outlet in a vertical position Control and management of operation of the appliance occurs via the on board elec tronics through the microprocessor control board see Figure 4 1 16 Control and management of operation of the appliance may also take place via the Direct Digital Controller see Figure 3 1 CCI DDC 10 available as an accessory For instructions regarding the use configuration and programming of the DDC refer to the two manuals supplied with the unit configuration programming operations must be carried out by an authorised Robur Technical Assistance Centre TAC during initial activation procedures and according to the instructions supplied by the manufacturer OFICIESLJFA Figure 3 1 CCI DDC 3 3 Description and general characteristics The appliance is able to produce hot water to 60 C or chilled water to a temperature of 3 C operating at extremely high efficiency in heat pump mode The appliance is supplied with helicoidal motor fan or available in reduced noise ver sions S with helicoidal motor fan
68. entioned regulations and the instructions supplied by the manufacturer itself Once the appliance is installed The installer must provide the owner with a Declaration stating that the installation has been completed in compliance with state of the art practices current national and local regulations and recommendations by the manufacturer Before contacting your authorised Robur Technical Assistance Centre TAC for the initial activation the firm must ensure that the electricity and gas mains specifications correspond to the specifications on the nameplate the pressure of the gas supplied falls within the range of values specified by the manufacturer the gas supplied to the appliance is of the type for which it is designed the gas supply system and water distribution system are sealed the gas and electricity supply systems are correctly rated for the capacity required by the appliance and that they are equipped with all safety and control devices prescribed by current regulations Check that no safety and control devices are excluded by passed or not properly working Initial activation procedure The entire procedure for the first activation of the appliance must be carried out exclu sively by an authorized Robur Technical Assistance Centre TAC and according to the instructions supplied by the manufacturer To carry out entire procedure correctly follow the instructions in Paragraph 7 1
69. es outlet pipe If necessary contact your Technical Assistance Centre The appliance has a sealed circuit classified as pressure equipment i e with internal pres sure higher than atmospheric pressure The fluids contained in the sealed circuits are harmful if swallowed or inhaled or if they come into contact with the skin Do not carry out any operation on the sealed circuit or on its valves ELECTROCUTION HAZARD Use only approved components for the electrical 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 sure the appliance cannot be started up inadvertently The electrical safety of the appliance is ensured only when it is correctly connected to an efficient grounding system compilant with current safety regulations DAMAGE DUE TO AGGRESSIVE SUBSTANCES IN THE AIR SUPPLY Hydrogenated hydrocarbons which contain chlorine and fluorine compounds will in crease the corrosion of the unit Make sure the air supply is free of aggressive substances EXPLOSIVE FLAMMABLE MATERIALS HAZARD Do not use or store flammable materials paper solvents paint etc in the vicinity of the appliance RECOMMENDATION Stipulate a maintenance contract with an authorised specialist contractor for the annual inspection of the appliance and maintenance when needed Maintenance and repairs may only
70. fac turer s instructions During the installation stage observe the following indications e Check that there is an adequate mains gas supply in accordance with the manu facturer s specifications for the correct supply pressure refer to Paragraph 5 4 GAS SUPPLY 29 e The appliance must be installed on the outside of buildings in an area in which air circulates naturally and which does not require any particular protection from weather phenomena In no case must the appliance be installed inside a room e No obstruction or overhanging structure protruding roofs eaves balconies ledg es trees must obstruct either the air flowing from the top part of the appliance or the exhaust fumes outlet e appliance must be installed in such a way that the exhaust fumes outlet is not in the immediate vicinity of any external air inlets of a building respect current regulations regarding the exhaust fumes outlet Do not install the appliance close to flues chimneys or other similar structures in order to prevent hot or polluted air from being drawn by the fan through the condenser In order to function correctly the appliance must use clean air from the environment e Ifthe appliance is installed near buildings make sure it is not on the dripping line from gutters or similar Acut off valve and vibration damping coupling must be fitted on the gas supply e Fitantivibration joints on the hydraulic connections to prevent vibrat
71. freeze function 14 case the circulator switches enabled see menu 1 parameter activates the plant water circulator i 77 Defrosting function activated Defrosting is activated if at least 90 minutes has passed since the last defrosting or 180 minutes iftemperature u 652 pere FUNCTION is inferior of 5 C if the flame control unit has The Code clears automatically when execution of defrosting ends been on for at least 15 minutes and if room temperature temperature of hot inlet water and ofthe evaporator require its execution With valve not active the end of range Reset occurs automatically if after a new transition the E654 INVERSION OPPOSITE microswitch is actuated i e is open electrically microswitch status emerges to be correct If the Code persists on the other side to that expected by the board contact authorised TAC With valve not active neither of the two end Reset occurs automatically if after a new transition the E655 INVERSION UNKNOWN of range microswitches is actuated they are microswitch status emerges to be correct If the Code persists both closed electrically contact authorised TAC With valve not active both of the two end of Reset occurs automatically if after a new transition the E656 INVERSION UNCERTAIN range microswitches are actuated i e are both microswitch status emerges to be correct If the Code persists open electrically contact authorised TAC Reset occurs automatica
72. g maintenance operations of the appliance Paragraph 7 2 MAINTENANCE 61 general observations and warnings general indications re garding checks controls and cleaning operations to perform At the end of the section you will find instructions for changing the type of gas an opera tion for technical assistance Before proceeding with the operations described in this section the installation techni cian concerned is invited to read Paragraph 3 1 GENERAL INFORMATION 7 For the stages of checking the switching on and off of the appliance it is necessary to refer to Paragraph 4 1 START UP AND SHUT DOWN 14 If the appliance is connected to a DDC and the DDC is in controller mode for the phases of activation and deactivation of the appliance it is necessary to refer to the two books dedicated to the DDC itself PROCEDURE FOR FIRST START UP i The entire procedure for the initial activation of the appliance must only carried out by Y 27 an authorised Robur Technical Assistance Centre The product s guarantee be void if the procedure is not carried out by a Robur TAC Efficient operation and long life of the appliance depend largely on its correct use correct installation correct use Before leaving the factory the appliance has been thoroughly tested In order to be able to carry out the entire procedure for the initial activation of the appli ance it is necessary to perform the following operations in
73. ger than the live cables In this way it will be the last wire to be pulled away if the mains cable should accidentally be pulled and will thus guaran tee the ground connection Do not use gas pipes to ground electrical appliances A wiring error as well as impeding the correct operation of the appliance could also damage the electrical apparatus that it contains i The NO Contact terminals are no voltage contacts with maximum power capacity of 700W These contacts control the circulator shutdown delay 7 minutes after appliance shutdown Check the position of jumper J10 as follows 1 Locate on the appliance s controller SCH jumper J10 bottom left below the NO Contact contacts and make sure that it is set as shown in detail A jumper opened of the figure 2 On completion restore the appliances to their fully assembled condition i 1 The insertion of relays or other electrical components inside the General Electrical Panel of the appliance is not permitted Do not activate the appliance if the hydraulic plant has not been filled Installation use andmaintenance manual Line AR Series Figure 6 7 Electrical wiring diagram
74. he DDC disconnect the appliance from its power supply with the pow i er switch in its electrical panel 1 How to fit the Direct Digital Controller DDC The DDC in indoor installations must be applied to a panel as follows see Figure 6 10 46 ide You will need the appliance and the DDC disconnected from the electricity supply Nec essary equipment and materials 1 Make a rectangular opening 155 mm wide and 151 mm high 2 Locate the DDC on this hole and mark the 4 points where the holes to be made to fix it See the figure 3 Drill no 4 holes of dia 4 mm 4 Proceed with the operation of making fast the DDC on the opening of the panel using the screws and nuts supplied OFICIESLJFA Figure 6 10 168 LEGEND Holes for mounting CCI DDC s to panel a horizontal 168 mm vertical 158 mm 158 97 Centre distances of mounting holes for CCI DDC DDC s operating temperature range is 0 50 C If the temperature of room where the DDC is installed falls below zero it continues to operate correctly to 10 C However its LCD display may not be able to display data 2 How to supply power to the Direct Digital Controller DDC i The DDC requires a low voltage power supply 24 V with 230 24 V AC 50 60 Hz safety transformer the minimum power requirement is 20 VA To power the DDC off a transformer located in an external pan
75. he intake water temperature reaches 38 C setpoint differential 6 the appliance turns back on heating starts again The cycle is repeated The following instructions give a detailed description of how to configure the hydraulic parameters in menu 3 or menu 4 on the machine s controller Au an Hydraulic parameter settings You will need the controller s display sequentially shows the operating data tempera ture delta T regarding the current mode e g heating Special key provided with the appliance SAO BLT 1 See procedure HOW TO ACCESS THE MENUS Paragraph 4 2 ON BOARD ELEC TRONICS 15 and proceed as described in steps 1 to 5 2 The display will now flash 0 Turn the knob until menu 3 displays the display shows 3 or menu 4 the displays shows 4 For example to set the parameters of menu 3 1 The display shows 3 Press the knob to access menu the display will show the first of the menu s parameters 3 73 or 3 160 menu 3 parameter 73 or 160 2 The display shows 3 73 3 160 Press the knob to access the value the displays shows the preset value e g 1 flashing to indicate that it can be modified 3 Press again to confirm 1 outlet water thermostat control to modify the value turn the knob until 0 displays press to confirm 0 intake water thermostat control 4 The display now shows the current parameter 3 73 3 160 ag
76. he nominal water flow rate that is necessary for the correct operation of the appliance for calculation of internal pressure drops in the appliance refer to the Paragraph 3 4 TECHNICAL DATA 11 The operations necessary for initial activation or regulation of the appliance and of the Direct Digital Controller must only be carried out by an authorised Robur Technical As sistance Centre TAC These operations are described in Paragraph 7 INITIAL ACTIVATION AND MAINTENANCE 57 V Ho The products guarantee is void if initial activation is not carried out by a RoburTAC ba Figure 5 3 28 and 54 29 below two examples of typical hydraulic plants for a single appliance and for 2 appliances For further information or technical support this regard contact Robur 5 5 Presales Office tel 035 888111 000000000000009000000000000000090000000000000000909000000000000000000000000000000009000000000000000000000000000000000000000000000 imp GAS LEGEND 1 Anti vibration joints 2 Manometer 3 Flow regulator valve 4 Water filter 5 Cut off valve 6 Water pump primary circuit 7 Safety valve 3 bar 8 Expansion tank of the unit 9 Hydraulic separator inertial tank with 4 attack 10 Water pump secondary circuit 11 Direct Digital Controller Example of hydraulic plant diagram for connection of 1 appliance Installation use andmaintenance manual Line AR Series Figure 5 4 09
77. he water until it reaches the set point Temperature At this point it switches off The temperature of the water rises until it reaches the tem perature corresponding to Set point differential When this is reached the appliance switches on again For example if we set the following values e Thermostating 0 reading from temperature probe outlet water Set point 7 0 C e Differential 2 0 C The appliance will behave as follows 1 the water in the plant cools down cooling the outlet water temperature reaches 7 C setpoint The appliance switches off the water in the plant slowly rise transfers cold to the room the outlet water temperature reaches 9 C setpoint differential the appliance turns back on cooling starts again The cycle is repeated Heating mode The appliance heats the water until it reaches the setpoint temperature The appliance then switches off This means that the water temperature slowly drops to the setpoint differential temperature At this point the appliance turns back on For example if we set the following values e Thermostat control 0 read INTAKE water temperature e Setpoint 40 0 e Differential 2 0 C The appliance will behave as follows 1 the water temperature rises heating the intake water temperature reaches 40 C setpoint The appliance switches off the system water temperature slowly drops loses heat to the environment t
78. ible to proceed with activation If the appliance is connected to a DDC running in controller mode the appliance is start ed up and controlled exclusively by the DDC If the appliance is not connected to a DDC it may be activated and deactivated only by means of the on off commands provided by the electrical installation technician According to requirements these on off commands may be e An on off switch for activation and deactivation of the appliance This switch may be an on off button an ambient thermostat a programmable timer or one or more clean contacts controlled by another process e Asummer winter selector switch for selecting the operating mode of the appli ance cooling or heating For details about the type of on off command installed contact the plant s electrical in stallation technician Start up Select the operating mode required cooling or heating by means of the summer winter selector switch if the mode desired is not already selected Switch on the appliance by means of the on off command placing it in the ON position During operation of the appliance the summer winter switch from summer to winter operation and vice versa or so called cycle inversion may require a maximum of 11 minutes from the time this inversion is invoked by the user Shut down Switch off the appliance via the on off command placing it in the OFF position The shutdown cycle takes approximately 7 minutes to complet
79. ing the new o ring seal Pos 57 supplied between electrovalve and nozzle use a number 34 spanner for this purpose remove the combustion air suction inlet from the aspirator Pos 72 For this op eration unscrew the three screws that fix the combustion air suction inlet Use a Phillips head screwdriver remove the diaphragm Pos 75 by unscrewing the 3 fixing screws the combustion air suction inlet and replace it with the diaphragm supplied with the gas change kit taking care to centre the manostat sensor in the specific hole on the diaphragm itself refit the combustion air suction inlet Pos 72 taking care to position the new gas ket supplied correctly during this operation rotate the nozzle so that the cres cent shaped shield is repositioned in the top half i e as prior to disassembly reconnect the brass nozzle Pos 56 to the mixer tightening the hexagonal nut Pos 40 taking care to position the new circular seal Pos 58 supplied with the kit correctly retighten the fixing screw of the gas supply pipe above the electrical panel of the appliance Pos 77 supply gas and electricity to the appliance and reactivate the appliance regulate the gas pressure to the appliance so that it is the same as that indicated in Table 7 1 61 for the gas that is to be used following the instructions given Procedure Regulation of gas flow on Paragraph 7 1 PROCEDURE FOR FIRST START UP 57 then replace the sticker in
80. ions from the appliance from being transmitted to the circuit POSITION OF THE APPLIANCE Lifting the appliance and placing it in position Do not remove packaging during handling on the installation site Packing must only be removed upon final installation If the appliance has to be lifted connect two cables to the holes provided on the base and use suspension and spacer bars to prevent the cables of the hoist from damaging the panels while the appliance is moved see Figure 5 1 Instruction for lifting 23 Installation use andmaintenance manual GAHP Line AR Series The hoist and all accessory equipment braces cables bars must be of adequate dimen sions in relation to the load to be lifted The manufacturer cannot be held responsible for any damage that occurs during the setting up of the appliance Figure 5 1 Instruction for lifting The appliance can be installed at ground level or on a terrace or roof if they are able to sustain its dimensions and weight The appliance must be installed in an area which is always accessible The dimensions and weight of the appliance are given in Paragraph 3 4 TECHNICAL DATA 11 Supporting base Always place the appliance on a levelled flat surface made of fireproof material and able
81. le In all cases the fourth conductor should not be used TURCK type 5711 H BLUE L WHITE GND BLACK 450m Honeywell SDS 2022 TURCK type 531 H BLACK L WHITE GND BROWN 200m Example types of cables used to connect the CAN network Ordering Code O CVO008 BLACK L WHITE GND BROWN 450m For overall distances to cover of x200 m and networks with a maximum of 6 nodes a typical example 1 DDC 5 devices a simple 3 x 0 75 mm shielded cable may be used As shown in Table 6 2 CAN BUS cables type 48 the CAN connection requires a CAN bus cable with 3 wires If the available cable has more than 3 coloured wires 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 accessory see Section 8 ACCESSORIES 65 gt CONNECTION PROCEDURE Instructions for the specific operations to be carried out for the connection of the CAN bus cable follow e Step A connect the CAN BUS cable to the DDC e Phase B connect the CAN BUS cable to the appliance Installation use andmaintenance manual GAHP Line AR Series The two steps must done in both cases illustrated in Figure 6 18 Connexion cable CAN BUS for plants with one unit 53 wiring diagram for 1 DDC connected to a single appli ance and Figure 6 19 Connexion cable CAN BUS for plants with more unit 54 wiring diagram for 1 DDC connected
82. ling mode Automatic two way microprocessor controlled defrosting valve allowing the finned coil to be defrosted Variable flow microprocessor controlled helicoidal motor fan summer operation Control and safety components 561 electronic board with microprocessor integrated with LCD display and encod er in Figure 41 16 Installation use andmaintenance manual GAHP Line AR Series Satellite electronic board AR11 in Figure 4 2 16 Plant water flowmeter Sealed circuit high temperature limit thermostat with manual reset e Differential exhaust gas manostat on the combustion circuit e Automatically resettable exhaust gas temperature thermostat e Sealed circuit safety relief valve Safety by pass valve between high and low pressure parts of the sealed circuit Antifreeze functions for hydraulic circuit e Ionization flame control box Double shutter electric gas valve e Direct Digital Controller DDC with LCD display and encoder in Figure 3 1 DDC 10 3 4 TECHNICAL DATA Table 3 1 Technical characteristics G U E gas usage efficiency Thermal capacity Nominal 1013 mbar 15 C Hot water delivery temperature maximum
83. ll of gas indicating possible leaks If no smell of gas is detected connect the appliance to the electricity supply mains via the external circuit breaker provided by the installation technician in the ap propriate panel set the GS circuit breaker to the ON position see Figure 6 4 Electrical wiring diagram 38 power up the Comfort Control Panel or DDC if present check that the hydraulic circuit is charged Switch on the appliance with the Comfort Control Panel or DDC if present OFICIESLJFA 5 1 5 2 V Ho HYDRAULIC INSTALLATION In this section you will find all the instructions necessary for the hydraulic installation Before realizing hydraulic system and gas supply for the appliance the professionally qualified personnel is advised to read Paragraph 3 1 GENERAL INFORMATION 7 viding important recommendations about safety and references to current regulations GENERAL INSTALLATION PRINCIPLES Prior to installation carry out careful internal cleaning of all pipes and every other com ponent to be used both on the hydraulic plant and the fuel supply plant in order to re move any residues that may compromise operation of the appliance Installation of the appliance must be carried out in compliance with current regulations regarding design installation and maintenance of heating and cooling plants and must be undertaken by professionally qualified personnel in accordance with the manu
84. lling out 9 Now depending on the type of node being configured set the jumpers on the appliance s controller as shown in detail A or detail B in Figure 6 17 Electrical wiring diagram 52 Proceed as follows e Ifthe appliance is an intermediate node on the network with no 6 wires in the orange connector set the jumpers as shown in detail B of the figure Jumpers OPEN e Ifthe appliance is a terminal node on the network with no 3 wires in the orange connector set the jumpers as shown in detail A of the figure Jumpers CLOSED Figure 6 17 Electrical wiring diagram A B LEGEND H Data signal HIGH B Detail case intermediate node 6 SCH electronic board Jumper CAN BUS in board wires J1 jumper GND Common data A Detail case terminal node 3 wires Port can connector L Data signal LOW J1 jumper closed Connection cable CAN BUS to electronic board detail A case terminal node detail B case intermediate node 10 Now close the electrical panel and refit the front panel of the appliance Installation use andmaintenance manual GAHP Line AR Series Figure 6 18 Connexion cable CAN BUS for plants with one unit A P ors ics MPER N odo o o JUMPER J1 4 4 ee d N be Sa po
85. llowing paragraph ON BOARD ELECTRONICS The following descriptions refer to the 561 controller with firmware version 3 021 The appliance is fitted with S67microprocessor controller interconnected with an AR 1 satellite board located on the side of the S60 board itself The 561 controller controls the appliance and displays data messages and operating codes Programming control and monitoring of the appliance take place by interacting with the display and knob The CAN BUS port connects or several appliances the Comfort Control Panel The AR11 satellite board is used for connecting the inversion valve and the defrosting valve Figure 4 1 LEGEND Controller S61 in every unit 00000900000000090000000000009009000000900000000000900000000000000000000009000000000000000000000000000000000000009000000000099090009 Electronic board S61 Figure 4 2 LEGEND Satellite controller AR11 only in GAHP AR unit Eletronic board AR11 With appliance connected to a DDC if the DDC in controller mode activation and deac tivation of the appliance must be carried out exclusively via DDC if the DDC in monitor mode control of the switching on and off must be carried out exclusively via the switches fitted by the electrical installation technician For instructions regarding the use of the DDC refer to the two manuals supplied with it and in particular Final user manual manual 2 Des
86. lly when the condition that generated u 678 E PE oe HIGH Outlet hot water temperature too high the code ceases moreover the code is reset during the hot cold transition too In Cooling mode the code is not managed ANTIFREEZE FUNCTION Antifreeze function activated with function v ACTIVATED HEATING MODULE enabled see menu 1 item163 and only with Resets automaticaly defrost function disabled if with only the Activation takes place only if machine off In this case the antifreeze function or operating ne perat u 679 a above 5 C at which point the circulator switches off or if also the the hot module is off and the activates the plant water circulator If this 4 gek o flame controller is on when the temperature reaches 18 C in this antifreeze function is enabled temperature falls further to below 3 C the case the flame controller and then the circulator switch off see menu 1 parameter 163 function also activates the flame controller i The code remains until operating parameters are entered and completed Contact authorised TAC If the board is replaced Code 080 NCOMPLETE PARAMETERS Incomplete parameters 80 may appear this means that the unit s characterisation parameters have not been set Reset occurs automatically when correct parameters are entered f If the code persists contact authorised TAC if the parameters are E680 NVALID PARAMETERS d or damage to parameter incorrect it is necess
87. m sheet and if present the bare con nector in contact with the shield and the wires contained within If the cable is too thin to be held in place in the cable holder bracket detail C make it thicker by wrapping insulating tape around it on the sheath in the area adjacent to the stripped part to an approximate diameter of 12 13 mm Pull back the shielding in the sheathe apply electrician s tape to the end of the shielding as pulled back detail A Connect the three coloured wires to the orange connector as shown in detail A in Figure 6 17 Electrical wiring diagram 52 Observe the terminal markings L H GND on the board at the base of the socket P8 which are given both in Table 6 2 CAN BUS cables type 48 and in Figure 6 17 Electrical wiring diagram 52 if the appliance is an intermediate node on the network also complete step 7 if the appliance is a terminal node skip directly to step 8 Intermediate nodes only repeat the operations from step 3 to step 5 for the other length of CAN bus cable required Now proceed with step 6 and to connect the cable to P8 connector refer to detail B in the figure 6 17 Electrical wiring dia gram 52 Then proceed to point 8 OFICIESLJFAT 8 Fix the CAN BUS cable or two cables according to the type of node being con nected to the cable fixing bracket so that the rolled back sheathing makes solid contact with the metal bracket The cable should be secured against pu
88. minimum water content in the plant and adding if necessary to the plant water free of impurities a quantity of monoethyl ene glycol in proportion with the minimum winter temperature in the installation zone see table 5 3 Technical data for filling the hydraulic circuit 31 Bring the plant to the correct pressure making sure that the pressure of the water in the plant is not less than 1 bar and not over 2 bar To facilitate the operation of bleeding air the hydraulic circuit the appliance is equipped with an additional manual air bleeding valve Possible use of glycol antifreeze Glycols normally used to lower the freezing point of water are substances in an interme diate state of oxidisation which in the presence of oxidising agents such as oxygen are transformed into corresponding acids This transformation into acids increases the corrosive nature of the fluid contained in the circuit For this reason mixtures that are commercially available almost always contain inhibiting substances that are able to control the pH of the solution A necessary condition for the oxidisation of the glycol and therefore its degradation is the presence of an oxidising agent such as oxygen In closed circuits in which no replenishment of water and therefore of oxygen occurs over the course of time once the oxygen initially present has reacted the degenerative phenomenon of glycol is hugely inhibited Most circuits however
89. n see Table 7 2 62 and 7 3 62 must be performed with a frequency in agreement to cur rent law or if more restrictive in respect of what requested by the planner builder of the system or by the manufacturer of the unit SAO BLFT The liability of CHECKING THE EFFICIENCY AS A FUNCTION OF THE SYSTEM OF THE FUEL IN USE AND OF THE THERMAL POWER to be carried out with the purpose of containing the energy consumption is in charge to the responsable of the system A Before any maintenance operation switch off the appliance by means of the permissive contacts or by means of DDC CCP and wait for the completion of the shut down cycle When the appliance is off switch off power supply and gas supply according to anti icing settings opening the electrical breaker and closing the gas isolation valve GUIDELINES FOR THE PREVENTIVE MAINTENACE OPERATIONS In Table 7 2 62 are reported the guidelines for the preventive maintenance operations A If the unit is 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 Check of the unit GAHP A GAHP GS WS Vis
90. nection from CAN BUS to connector P8 49 The cable should be secured against pulling out Phase B connect the CAN BUS cable to the appliance The CAN BUS cable must be connected to the orange socket on the machine s on board controller see detail D in Figure 6 16 CAN BUS cable connection 51 Figure 6 16 CAN BUS cable connection Example of a single CAN bus cable connected to the board To connect the CAN BUS cable to the DDC proceed as follows references in Figure 6 16 CAN BUS cable connection 51 0900000900099000000090000900900000000000009090000000090000000900000000900000000000900009000000000000000000900000099 LEGEND A protective isolating tape B shielding of CAN BUS cable pre wired to last unit t cable bracket the CAN BUS cables of an intermediate node are present D CAN BUS circuit board connector E wires 6 of the CAN BUS cable intermediate node 90000000000000000000000000000000000000900000000000000000000000000000000000000000000000000000000000000099 You will need appliance not powered up Necessary equipment and materials 1 2 3 Remove the front panel of the appliance and the cover of the electrical panel Cut a length of cable long enough to allow it to be installed without kinking Having chosen one end of the length of cable remove the sheath from a length of approximately 70 80 mm taking care not to cut the wires contained inside the shielding metallic shield and or aluminiu
91. nit s electrical panel LI Installation use andmaintenance manual GAHP Line AR Series Connect the button as instructed below You will need the appliance disconnected from the electricity supply 1 The cable required to connect the reset button must be 3x0 75mm 2 Cuta suitable length of cable 3 Connect the cable to the blind terminals A see Figure 6 20 Button connection for flame controller reset 56 The blind terminals are hidden on the rightinside the cable tray To extract them remove the cover of the tray slide the cables out of the provided slots and carefully close the tray again The cable may not be longer than 20 metres Incorrect wiring of the reset button may damage the component irreparably Check the cabling carefully before powering the unit OFICIESLJFA Figure 6 20 Button connection for flame controller reset W dl Il 1 Pere 0 2202 0 00 80 00 DI 9 00000 EE H gt aja 5 sodo mI 9d y gt el MET SE o 10 jo 7 zx 28 22 Fa sn 58 25832 ol De gt Zo E gt o Z 173 lt Q E 1 mer E a 10 l
92. of the appliance turn the knob clockwise until E displays press the knob to quit 4 4 OPERATING SETTINGS The operations described require basic knowledge of the plant installed and of the S61 controller fitted to the appliance before proceeding you must acquire this information Paragraph 4 2 ON BOARD ELECTRONICS 15 w 1 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 the operating parameters but this is not recommended if not in possession of the necessary knowledge and experience in order to do so In any case to set new op erating parameters for the appliance see Paragraph 5 7 PROGRAMMING OF HYDRAULIC PARAMETERS 32 4 5 PROLONGED PERIODS OF DISUSE When the appliance is to be inactive for a long period it is necessary to disconnect the appliance before the period of disuse and reconnect it before it is used again To carry out these operations contact a reputable hydraulic system installation technician Disconnecting the appliance You will need the appliance connected to the power gas supply Necessary equipment 7 and materials 1 if the appliance is in operation switch it off with the CCP or DDC if present or the consent switch and wait for the shutdown cycle to terminate completely approxi mately 7 minutes 2 Scollegarel apparecchio dalla rete elettrica metten
93. ons The following connectors are required e Apole connector part reference AL for 24 V AC power 6 pole CAN BUS connector part reference P8 for connecting the DDC with the appliance Installation use andmaintenance manual GAHP Line AR Series Figure 6 9 CCI DDC SPC D E P8 CAN network connector orange STA ambient temperature probe 2 pole connector SPC 232 serial connection to PC 9 pole connector SAE external alarm systems 3 pole connector A mounting holes CCI DDC AL power supply 24 V AC 4 pole connector E Encoder CE external consents 6 pole connector D Display Front and rear views with detail of electrical connections For instructions regarding other connections optional to be done by the electrical in stallation technician in accordance with the user s requirements and in general for the DDC installation and user instructions see the two booklets in question A Before installing t
94. order preliminary verification of plant compliance regulation of gas flow to the burners and switching on of the appliance regulation of plant operating parameters according to the user s requirements Preliminary checks of the installation compliance The Robur TAC technician must e check that the whole plant has been manufactured in accordance with its design following the instructions supplied by the manufacturer and respecting current legislation The design must have been drawn up by a qualified self employed professional person OFICIESLJFA e check personally that all of the connections hydraulic gas and electrical of the appliance and of the Direct Digital Controller if connected to the appliance have been made correctly e check that the necessary conditions for plant compliance effectively exist as per the declaration consigned to the user by the qualified firm that has carried out installation of the appliance E The Declaration of Conformity CERTIFIES that the installation is compliant with current WS i regulations This Declaration is a mandatory document and as such it must be provided by the installer to the owner e Check that the water pressure and flow the hydraulic circuit and the static gas supply network pressure are correct as indicated by the manufacturer If all the conditions listed above exist the TAC can proceed with the operations perform ing the initial activation
95. osuas UL 1 10 JOSUAS 1 31 4 a 19591 jenuew 3 E d NOI 5 O a eSOWJAY Hu 1L 6 Ce t UD3IMS MOJ Y B m ory EK 5 f W NYJ d 5 a Josuas duund y Re L SU ig c 1apno zeg e E F di ee 7 8 5 940 4 VAIL _ e e els llls 0 T Jasuapuod le e el Qe II B 22 gt Q DL lt lt xog LOVINOO oa 4 E e gt gt NOI NIVW dnd ON d 3 a i gel 5 Lu aqoid VL i 24 LI Bt 5 5 go E E 5 5 pnojesusppuo fs See a l S E gt 7 E aqoid E T x Y 4938 RUI S S aqoid 4YHL m 5 del te O KS Joie opino h G SS mi aqoid 4WHL V METTE 3 ua U21IMS MSd ASA p dis IT it due seb S1 Y d d al 7 7 fs 2 seb D HZ x 57 5 5 pod 4 05 gt QN3531 Je 297285 7 T OFICIESLJFA e multiple appliance plants SI
96. ot start first carry out the fol lowing simple checks e ensure that the external disconnecting switch fitted by the electrical installation technician on a suitable panel see Section 6 ELECTRICAL INSTALLATION 35 is set to ON e Check that the consent switches see Paragraph 6 3 CONNECTIONS FOR CONSENT SWITCH OPERATION 43 or the DDC if connected and in controller mode are set for operation of the appliance e Check that the gas supply valve is open e determine that no further indications are given on the display At this point if the appliance still does not start e refrain from proceeding by trial and error instead request the direct assistance of an authorised Robur Technical Assistance Centre TAC informing it of the Machine Code that has arisen e disconnect the appliance from the gas and electricity supply cutting off the gas supply by means of the appropriate tap and electrical power via the external mas ter power switch Wait for the TAC staff to arrive For how to reset the machine operating code with the on board controller refer to Para graph 4 3 RESET OPERATIONS AND MANUAL DEFROSTING 18 tel We list below the operating codes generated by the appliance s controller Armware ver sion 3 021 The following codes can also be displayed by the DDC if connected Table 9 1 TABLE OF OPERATING CODES generated by the 561 electronic board firmware version 3 021 DESCRIPTION TRIP CONDITIONS RES
97. ph 3 4 TECHNICAL DATA gt 11 Provide a containing step and a suitable drainage channel for the defrosting water Although the appliance produces vibrations of limited intensity the use of antivibration mounts available as accessories is strongly recommended in such cases of installation on roofs or terraces in which resonance phenomena may arise In addition it is advisable to use flexible connections anti vibration joints between the appliance and the hydraulic and gas supply pipes Avoid placing the appliance on the roof directly above locals requiring quietness Supports and levelling The appliance must be correctly levelled by placing a spirit level on the upper part If necessary level the appliance with metal shimming do not use wooden spacers as these deteriorate quickly CLEARANCES AND WARNINGS Position the appliance so as to maintain minimum clearances from combustible sur faces walls or other appliances as illustrated in Figure 5 2 Clearances 25 Minimum clearances are required for maintenance accessibility The fumes outlet terminals must be installed in such a way that they do not allow the fumes to collect or return to the circuit in the unit s installation area The outlet terminal must be constructed in conformity with established regulations Do not install any cover or obstruction to the evacuation of the air issuing from the fan When deciding on the installation position especially if multiple units are us
98. pliant with what reported in Table 5 1 Chemical and physical parameters of water 25 Non compliance with in dications above may jeopardize the proper operation integrity and reliability of Robur appliances invalidating the warranty For any further detail please contact directly Robur S p A tel 39 035 888 111 The components described below to be fitted in proximity to the appliance are illus trated in the typical hydraulic plant schemes in Figures 5 3 28 and 54 29 e VIBRATION DAMPING COUPLINGS PRESSURE GAUGES range 0 3 bar FLOW REGULATION VALVE shutter or balancing WATER FILTER with mesh MIN 0 7 mm and MAX 1 mm BALL CHECK VALVE also to be fitted on the gas supply line 3 BAR SAFETY VALVE installed in the appliance outlet water pipe EXPANSION TANK for individual appliance installed in the appliance water outlet pipe PLANT EXPANSION TANK installed in the appliance inlet water pipe 1 D flo Y Installation use andmaintenance manual GAHP Line AR Series The appliance is not equipped with an expansion tank therefore it is necessary to install a suitable expansion tank sized in relation to the maximum heat excursion and maxi mum operating pressure of the water of the plant see figures for reference mentioned above PLANT WATER CIRCULATION PUMP located on the water inlet pipe of the appli ance flowing towards the plant and selected with characteristics that sa
99. position the clamp for fixing the pipe with the relative metallic spacer to the up per part of the side panel of the unit which comes supplied with a suitable hole OFICIESLJFA 2 using N 1 hoseclamp fit the condensate trap to the T connector then fit the latter to the exhaust air pipe 80 mm of the appliance and fix using a hoseclamp 3 using N 1 hoseclamp fit the exhaust air pipe length 750 mm to the T connector 4 fastenthe drain pipe with the clamp previously fixed to the side panel of the unit 5 position the exhaust terminal and fix it with N 1 hoseclamp 6 fixthe hose adaptor condensate drain pipe and the relative silicon tube 7 complete the operation checking carefully that all components are correctly fixed in place Figure 5 5 LEGEND Terminal Clamp for fixing pipe to panel of unit Exhaust air pipe L 750 mm Hoseclamp T connector Condensate trap Hose connector drain tube condensate CD mm Oo o Ze Components of exhaust air duct kit 5 7 PROGRAMMING OF HYDRAULIC PARAMETERS The hydraulic parameters can be set according to the procedure described in this para graph only when the appliance is not connected to a DDC exclusively To configure the hydraulic parameters access menu 3 of the controller For the use of the controller refer to procedure HOW
100. pressuris s 1 des unit s Absorption gaz fabriqu es par la Soci t ROBUR S p A s rie GA ACF60 00 standard et versions sp ciales 2 des Pompes Chaleur Absorption gaz fabriqu es par la soci t ROBUR S p A s rie GAHP GS WS A AR standard et versions sp ciales s rie GAS HP G W A standard et versions sp ciales r pondent la Directive sur les appareils sous pression 97 23 EC PED comme d apr s le Certificat CE d Evaluation de l Ensemble sous Pression MODULE H GARANTIE QUALITE TOTALE num ro CE 1370 PED H ROB001 10 ITA D livr par BUREAU VERITAS ITALIA S p A Viale Monza 261 20126 Milano Italy Nous pr cisons que ces circuits sont quip s d une soupape de s curit pression de r glage 35 bar conform ment la Directive 97 23 EC PED DE Hiermit erklaren wir die hermetischen Kreislaufe 1 der Gasbefeuerte Absorptionsk ltemaschine produziert durch ROBUR S p A Typ GA ACF60 00 Standard und in den verschiedenen Ausf hrungen 2 der Gasabsorptionswarmepumpe produziert durch ROBUR S p A Typ GAHP GS WS A AR Standard und in den verschiedenen Ausf hrungen Typ GAS HP G W A Standard und in den verschiedenen Ausf hrungen den Anforderungen der Druckbeh lterverordnung 97 23 EC PED entsprechen und hiermit die EC Zertifizierung erf llen im Ganzen e MODUL umfassende Qualit tssicherung CE 1370 PED H ROBOO1 10 ITA Ausgestellt von BUREAU
101. r ls N O CONTACT N O voltage free contacts NO PUMP MAIN IGN 9 y MA unit terminal block FAN CONTACT 230V 230V BOX RWYO 5 eet BK WH BR LN LN NL 5 Components SUPPLIED G p 111 10 mni i DDD Bi giro SCH 9 9 9 e e e S O SS ile 3 4 IN Example of pump appliance electrical connection with 230 Vac pump with absorbed power of lt 700 W controlled directly by the appliance 1 If the circulator s power is equal to or greater than 700 W the installation technician must make the following modifications see figure e point 3 lt lt make the connections as shown in the example but installing a relay for the control of the pump managed via NO contact gt gt Then e point 4 lt lt Locate and open the jumper J10 positioning it as shown in detail jumper open of the Figure 6 7 Electrical wiring diagram 43 gt gt 1 Fit the relay inside the external electrical panel provided by the installation technician El The insertion of relays or other electrical components inside the General Electrical Panel of the appliance is not permitted Do not activate the appliance if the hydraulic plant has not been filled CONNECTIONS FOR CONTROLLING A SHARED CIRCULATOR This connection applies to hydraulic circuits which have a single primary circuit circu lator for multiple appliance shared circulator installed on th
102. r CUT N N x af E E i A ni ei S MAN IGN FAN NO 230V 230V BUX BK WHBRCONTACTL N LN NL jr ni LEGEND DDC direct digital control SCH electronic board 561 Jumper CAN BUS in board 561 J21 Jumper CAN BUS in board DDC A terminal nodes connection 3 wires J1 e J21 closed H L GND data signal wires rif cables table Connexion CAN BUS between one DDC and one unit OFICIESLJFA Figure 6 19 Connexion c ble CAN BUS for plants with more unit Lonno 0000 24 7 FIdMNNF j 5 Fi H Ne 2 5 25 o 55958 5 VOLE a POSI L 2 20 _ 2 vam 7 o n 62922709290 58522582 lt Suz E ZS e DER Ys 5 I L o Oo POLLE ES o EE E o 5g C8 oa 5 E 4 3 gt D ui a st Connexion cable BUS between one DDC and more unit 6 5 HOW TO RESET THE FLAME CONTROLLER FROM REMOTE The flame controller reset can be controlled remotely by installing a button not sup plied to the flame controller inside the u
103. r individual mod ule connected to it Each network consists of 2 terminal if required a certain number of intermediate nodes A device is considered to be a terminal node when it is connected to only one other device A device is considered to be an intermediate node when it is connected to two other devices Appliances individual modules and DDC s may act equally as terminal or intermediate nodes See Figure 6 12 CAN network 48 The CAN network can link together a maximum of 3 DDC s each of which is in turn con nected to 16 hot only modules 16 cold only modules or 16 hot cold modules OGFICELIFY Figure 6 12 CAN network CAN BUS network terminal node 1 A appliance GA GAHP 2 CAN BUS network intermediate node B appliance AY 3 CAN BUS network intermediate node C appliance GA GAHP 4 CAN BUS network terminal node D DDC 00000000000009090900000000000000000000000000000000000090000000000000000000000000000000900000000900000900900000000000000000900009 Example of network with 4 nodes 1 DDC 3 appliances CHARACTERISTICS OF THE CAN BUS CABLE The CAN bus cable must meet the Honeywell SDS standard The following table gives details of some types of CAN bus cable grouped according to the maximum distance covered by each single type Table 6 2 CAN BUS cables type Robur ROBUR NETBUS H BLACK L WHITE GND BROWN 450m Honeywell SDS 1620 BELDEN 3086A TURCK type 530 DeviceNet Mid Cab
104. revent vibration As other hydronic appliances Robur heating and cooling systems operate with grid wa ter of good quality In order to prevent any possible problem of operation or reliability caused by filling or top up water please refer to codes and norms about water treatment for thermo hydraulic installations in civil or industrial applications Parameters indicated in Table 5 1 Chemical and physical parameters of water 25 must be complied with Table 5 1 Chemical and physical parameters of water Total hardness Iron Copper Aluminium Langelier s index 0 0 4 HARMFUL SUBSTANCES Free chlorine 026 Fluorides lt 1 Sulphides ABSENT 1 with aluminium or light alloys radiators pH must also be lower than 8 in compliance with applicable rules 2 value referred to the maximum water temperature of 80 C 3 in compliance with applicable rules A Water quality can be measured through parameters like acidity hardness conductivity chlorides content chlorine content iron content and the like The presence of free chlorine in the water in particular can jeopardize parts of the instal lation and Robur units Therefore please make sure that free chlorine content and total hardness are compliant with the allowable ranges reported in Table 5 1 Chemical and physical parameters of water 25 The way the installation is operated can be the ca
105. rmostat input Generator limit thermostat input Flow switch input FS5 24V Controller power 24 V AC P7 W Y Consent inputs IGN BOX L N Flame controller power 230 V AC MAIN 230V L N S61 controller power 230 V AC PUMP 230V L N Hydraulic pump power output N O Contact Pump contact N O J10 circuit water circulator controller jumper FAN BK WH BR Cooling fan output S61 controller programming connector Knob 6 pole flame controller connector FuseT 2A Fuse F 10A FuseT 2A Controller component legend Figure 6 2 Controller type AR11 FuseT 3 15A 09000000009000009900000000000009000000000000000090000000000000000000000000000000000000000000000000000000000000009000000000990000 JP1 0000000000 0000000000 contact B EE Y S Qo LEGEND Fl P2 JP1 2 23 FS1 Fuse 2AT Fuse 2AT AR11 auxiliary controller connector Jumper N O contact Display appliance state Reversible valve motor power Controller power Defrosting valve N O contact Main components of the auxiliary controller AR11 Installation use andmaintenance manual GAHP Line AR Series
106. s deactivate the appliance immediately if permitted and if no condition of danger exists by starting the shutdown cycle via the CCP or DDC or consent switch and waiting for it to terminate approximately 7 minutes disconnect the appliance from the gas and electricity mains cutting off gas supply by means of the appropriate valve and the power supply by means of the external circuit breaker provided by the electrical system installation technician on the ap propriate panel If it is decided not to use the appliance for a prolonged period disconnect the appli ance following the instructions provided in Paragraph 4 5 PROLONGED PERIODS OF DISUSE 20 Correct routine maintenance ensures the efficiency and good operation of the appliance over time Carry out maintenance operations according to the instructions supplied by the manufacturer For maintenance of the appliance s internal components contact a Robur TAC or qualified technician for other maintenance requirements see Paragraph 7 2 MAINTENANCE 61 Any repair of the appliance must be carried out by an authorised Robur Technical Assist ance Centre TAC using only original parts Failure to observe the indications given above may compromise the operation and safety of the appliance and may invalidate its guarantee if active If the appliance is to be disposed of contact Robur S p A for its correct disposal If the appliance is to be sold or transferred to another owner
107. spond to the one managed by the controller the code persists contact authorised Technical Assistance E 686 MEMORY TEST UNSUCCESSFUL Processor error Contact authorised Technical Assistance E 687 MEMORY TEST UNSUCCESSFUL Processor error Contact authorised Technical Assistance MEMORY TEST UNSUCCESSFUL Processor error Contact authorised Technical Assistance MEMORY TEST UNSUCCESSFUL Processor error Contact authorised Technical Assistance AMBIENT TEMPERATURE SENSOR DEFECTIVE Interruption or short circuit of ambient temperature sensor Reset may be performed from the CCI DDC or from the 561 board via menu 2 parameter 1 If the code persists contact authorised TAC CONTROLLER DEFECTIVE One of the following is absent serial number of board hardware version code or encryption key written during board test GAHP AR operating codes generated by electronic board displaied also by DDC Contact authorised Technical Assistance OFICIESLJFA DECLARATION OF CONFORMITY Figure 1 0990099090090099909000000900090900909000090909000000009900009900000000090000090900009000090000009900000900009000000009000090000900000909090009 ROBUA EC DECLARATION OF CONFORMITY C Manufacturer Robur S p A Address Via Parigi 4 6 City Country Verdellino Zingonia 24040 Bg Italy This is to declare that the ROBUR Gas Absortion Heat Pump GAHP are in conformity with the following EC
108. t A zc d ef SE SE BD DI ul lt 9 tal 2 NOL Lot Y ZO E a me me gt e Y 3 2230 292 Saran 0 000 900 0 r Or Coy A m x HE NC m m E E ed Z loz LBS d 2388 BS E 55605 Ol 7 D i 4011 VWHVAE E D L 90990000090909000090009000090000000090009000009000000000000090990999 7 1 Installation use andmaintenance manual GAHP Line AR Series INITIAL ACTIVATION AND MAINTENANCE In this section you will find the following information Indications required by the authorized Robur Technical Assistance Centre TAC in order to carry out the entire procedure of first start up of the appliance see Para graph 7 1 PROCEDURE FOR FIRST START UP 57 and of the Direct Digital Control ler DDC see the two books supplied with and dedicated to it The entire procedure for initial activation of the appliance consists in carrying out the fol lowing main operating stages preliminary verification of plant compliance regulation of gas flow to the burners and switching on of the appliance regulation of the operating parameters of the appliance via on board electronic board or via a DDC if the appliance is connected to a DDC Indications regardin
109. te the appliance requires e heating cooling selector W Y for selection of the operating mode heating or cooling On Off command CS for switched on and off E The consent switch installation technician can be an on off switch ambient thermostat programmable timer other such device To make the connection proceed as follows references to Figure 6 8 44 You will need the appliance connected hydraulically Necessary equipment and materials 1 Remove the appliance s front panel and open the electrical panel by removing the bolts securing it 2 Prepare a suitable cable for the connection 3 Locate on the appliance s electrical panel the consent terminals RW Y O con nector P7 on the controller S67 and make the connections between the consent switch CS heating cooling selector W Y and the R W and Y terminals as shown in the figure For the appliance to operate correctly it is always necessary to provide specific heating cooling selector or on off commands Do not use the general mains external disconnect ing switch GS to switch the appliance on or off 1 On completion restore the appliance to its fully assembled condition OFICIESLJFA The insertion of relays or other electrical components inside the General Electrical Panel of the appliance is not permitted Do not activate the appliance if the hydraulic plant has not been filled If you intend to use a D
110. tion Water fitting Gas fitting INSTALLATION MODE B23 B53 AMMONIA R717 7 5 WATER H20 10 0 MAXIMUM PRESSURE OF THE COOLING CIRCUIT 35 in transient operation lower temperatures are allowed COOLING FLUID Notes 1 As per EN12309 2 evaluated on actual thermal capacity For operating conditions other than nominal refer to the Design Manual For flow rates different from the nominal refer to the Design Manual PCI 34 02 MJ m3 1013 mbar 15 PCI 46 34 MJ kg 1013 mbar 15 PCI 29 25 MJ m3 1013 mbar 15 C 10 depending on power voltage and absorption tolerance of electric motors Free field frontal directionality factor 2 Overall dimensions excluding fumes pipes see Figure 3 2 GAHP AR dimensions 13 9 All values measured with G20 natural gas as reference gas 10 NO and CO values are measured referring to EN 483 combustion values at 096 PED characteristics The technical characteristics given below regard the parameters required by the Pressure Equipment Directive PED for the sealed circuit present on each appliance Table 3 2 PED data 0000000000000009000090000000900000000090000000000000000000000000000000000000000000000090000000090000000000000000000000000900009 Generator Leveling chamber Evaporator Cooling volume transformer Cooling absorber solution Solution pump COMPONENTS UNDER PRE
111. tisfy the requirements of the plant WATER CIRCULATION PUMP for single appliance located on the appliance water inlet pipe primary side flowing towards the appliance and selected with charac teristics that satisfy the requirements of the plant Note Provide in any case a plant water circulation pump secondary side flowing towards the plant and chosen with characteristics that meet the plant s requirements HYDRAULIC SEPARATOR complete with air bleeder valve and drain tap PLANT FILLING SYSTEM if automatic filling systems are used a seasonal check of the percentage of monoethylene glycol in the plant is recommended Antifreeze To prevent the water freezing in the circuit the appliance is equipped with an antifreeze function The antifreeze function already factory activated on every unit work only on active modules The antifreeze function protects the system circuit against freezing starts the external water circulation pump if the pump is controlled by the appliance and if necessary for hot modules can also start the corresponding burner if necessary and where requested see Paragraph 9 1 OVERVIEW AND OPERATING CODES TROUBLESHOOTING 66 code u 51andu 79 The antifreeze function can be deactivated by adding an adequate amount of anti freez ing glycole in the hydraulic circuit Active and passive modules If the appliances are not controlled by a DDC in the only cold only hot and 4 pipe type hot and
112. to multiple appliances Step A connect the CAN BUS cable to the DDC The CAN bus cable connects to the specific orange connector supplied with the DDC as shown in Figure 613 49 Figure 6 13 000000000000000000909000000090000090090000000000000000000000000000009009000000000900009000000000099000000000000009000000009009000000090999 Orange connector for CAN BUS connection to CCI DDC supplied with CCI DDC The DDC is equipped with jumpers that must be moved in order to take on the con figurations of terminal node and intermediate node Figure 6 15 detail wires and jumpers J21 terminal intermediate node CCI DDC 50 The DDC is supplied with the jumpers CLOSED detail A Figure 6 15 detail wires and jumpers J21 terminal intermediate node CCI DDC 50 Figure 6 14 Connection from CAN BUS to connector P8 LEGEND A Insulating tape to protect board shield B CAN BUS cable wires CAN bus cable shield D terminal and screw for fixing Connection detail of cable CAN BUS To connect a CAN BUS cable to a DDC proceed as follows references in Figure 6 15 detail wires and jumpers J21 terminal intermediate node CCI DDC 50 id You will need DDC not powered up N
113. to the appliance and to the DDC if connected 11 Start the appliance via the on off commands or via the DDC if connected and in controller mode 12 Wait for the burner to ignite If ignition fails at the first attempt the flame control unit makes three further attempts If the burner fails to ignite at the fourth attempt the flame control system is arrested In this case reset the flame control unit via the electronic board or the DDC if connected and repeat point 11 until successful ignition of the burner is achieved 13 With the burner lit check the pressure indicated by the manometer against the pressure indicated in Table 7 1 61 14 If necessary regulate the gas pressure keep the burner lit and the manometer connected remove the protective cap of screw A detail A Figure 7 1 61 turn screw A of the gas valve detail A Figure 7 1 61 clockwise to increase the pres sure or anticlockwise to decrease it until the pressure indicated in Table 7 1 61 at the end of the operation replace the protective cap of screw A 15 Switch off the appliance via the on off commands or via the DDC if connected and in controller mode di Figure 7 1 Installation use andmaintenance manual GAHP Line AR Series 16 Remove the manometer and retighten the fixing screw of the gas pressure intake detail C Figure 7 1 61 17 Check for possible leaks on the gas network with a solution of soap and water
114. to the normal visualisation of the parameters of the appliance turn the knob clockwise until E displays press the knob to quit ACTION 22 manual defrosting The execution of the manual defrosting command pro vided that the conditions exist these are verified electronically allows the fan coil to be defrosted overriding software control regarding the timing of this operation OFICIESLJFA Defrosting mode is managed automatically by the on board electronics and is activated only under specific operating conditions the on board electronics verify the appropriate requirements You will need access to the electrical panel see Paragraph Display and knob Sai R To execute the manual defrosting command select menu 2 as indicated in the Para graph Accessing the Menus then 1 display shows 2 press the knob to access the menu The display initially shows item 2 0 2 Turn the knob clockwise to display item 2 22 Press the knob to display the manual defrosting request deFr 4 Press the knob again to execute the command The manual defrosting request stops flashing and the again display shows 2 22 The manual defrosting operation has been performed if the appropriate requirements are satisfied 5 To quit the menu turn the knob clockwise until the 2 is displayed Now press the knob to return to menu selection 2 6 To exit the menu selection and return to the normal visualisation of the parameters
115. ually check of the general condition of the unit and of its air heat exchanger Check the correct operation of the device used for monitoring the water flow Check the value of CO check gas pressure to the burners Check that the condensate discharge is clean clear the condensate discharge hole of any blockages If necessary frequency of the maintenace operation must be increased Replace the belts after 6 years or 12 000 hours of operation Check restore the pressure of the primary hydronic circuit Check restore the air pressure inside of the expansion vessel of the primary hydronic circuit y Check every CCI or DDC DDC or Check that the plant is able to achive the setpoint temperature y Download the hystorical events y It is suggested the cleaning of the air heat exchanger once every 4 years the optimal frequency of this operation is in any case a consequence of the installation site 2 Check that the plant is able to achive the setpoint temperature ORDINARY SCHEDULED MAINTENANCE Perform the following operations at least once every 2 years If the unit is 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 3 0909000090900000000000000000000000000000000000090000000000000000000000900000000000000009000000000000000000000000900000009000009 Check of th
116. use of possible degradation of water quality Moreover abnormally massive water top up reintegration can cause a drift of chemical or physical above mentioned parameters 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 is needed this operation should be carried out by a professional or competent person following strictly the instructions by the manufacturer or supplier of the chemical substances for the treatment since dangers could arise for health for the environment and for Robur appliances Several products for water treatment are available on the market Robur does not perform detailed market surveys Therefore Robur suggests to contact Companies which are specialized in water treatments They will be able to suggest the best way how to proceed according to the type of installation In case washing of the pipes is needed this operation should be carried out by a profes sional or competent person following strictly the instructions by the manufacturer or supplier of the chemical substances for the washing avoiding the use of substances ag gressive for stainless steel or containing releasing free chlorine Please make sure the pipes are properly rinsed in order to remove any residue of chemi cal substances from the pipes Robur is not liable for ensuring that water quality is always com
117. with larger blades for reduced noise emissions Operating principle When operating in cooling mode in summer the appliance operates as an ab sorption chiller and the heat taken away from the cooled environment via the HYDRAULIC CIRCUIT is dissipated towards the outside via the air cooled FINNED COIL When operating in heating mode in winter the appliance makes use of the ab sorption cooling cycle to recover heat from the outside environment via the FINNED COIL which added to the heat produced by the combustion of natural L P G gas is transferred into the EXCHANGER and then into the environment to be heated ensuring efficiency of 140 96 under nominal conditions The appliance is not designed for performing frequent inversions of functional mode heat ing cooling 100 inversions per year is the maximum permitted not to be exceeded TECHNICAL MANUFACTURING CHARACTERISTICS The appliance is supplied with the following technical manufacturing characteristics control and safety components e Steel sealed circuit treated on the outside with epoxy paint Multigas pre mixing burner equipped with ignition and flame detection managed by an electronic control unit Air based heat exchanger with single position finned coil manufactured in steel tubing and aluminium fins Titanium stainless steel tube bundle water exchanger with external insulation Inversion valve on the cooling circuit for use of the appliance in heating or coo
118. ystyrene foam nails etc must be kept out of reach of children as they are potentially dangerous The appliance must only be used for the purposes for which it has been designed Any other use is considered inappropriate and therefore dangerous The manufacturer does not accept any contractual or extra contractual liability for any damage caused by im proper use of the appliance The appliance is not intended to be used by persons including children whose physical sensory and mental capacities are impaired or who lack the necessary experience and knowledge unless they are supervised or instructed in its use by persons responsible for their safety Children must be supervised to ensure that they do not play with the appliance The unit uses a water ammoniac absorption cycle for hot cold water production The am moniac is in water solution inside a sealed circuit tested for tightness by the manufac turer In case of coolant leaks switch off the electrical power and gas supplies only if this can be done in total safety Contact your Authorised Service 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 Make sure the system is water tight and that the expansion tank is operational Concentrations of chlorides or free chlorine in the circuit above the values given in Table 5 1 Chemical and physical parameters of water 25 will dam

Installation - Robur Heat Pumps

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