Installation, use and maintenance manual Heaters Line
Contents
1. caring for the environment Installation use and maintenance manual Heaters Line B15 Series Gas fired unit heaters for heating medium areas Natural gas fired Revision D Code D LBR595 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 INDEX OF CONTENTS OVERVIEW AND TECHNICAL FEATURES csssntescacssonsccnsovsnssuscsnussovsssnscssansestotsncdessessstsssnsveuuvauveaaceebsisses S 2 1 VINEIS S ae ac m u 5 2 2 AIT Ee SPI Be 5 2 3 TECHNICAL MANUFACTURING CFIARAG LERIST IS 1seietel 6 2 4 TECHNICAE DAT Anasii ienei 7 25 PIMEN DEN u 8 3 1 CHILI ppp u o aaa aa aaa wasaka M 9 3 2 SIZING AND INSTALLING THE COMBUSTION AIR FUME2. 3 INSTALLATION If the appliance behaves in any other way than specified in the procedures in Paragraph 4 1 p 22 or exhibits any anoma lous behaviour this indicates a possible wiring error Check the connections and if the anomaly persists contact your local TAC or Robur Spa Service tel 39 035 888 111 CONTROLLING MULTIPLE APPLIANCES WITH A SINGLE EXTERNAL ENABLE SIGNAL Terminals Z9 Z9 enable you to control multiple generators with a single external enable signal e g analogue thermostatic pro grammer clock etc There are three possible control options as shown in Figures 3 12 p 19 3 13 p 20 and 3 14 p 21 control of multiple appliances with a single programmer and multiple room thermostats control of multiple appliances with a single programmer and a single room thermostats with multiple relays control of multiple appliances with a single programmer and a single room thermostats with a single relay 3 5 SETTING THE GAS VALVE For correct operation of series B15 generators the gas valve must be set to the values given in Table 3 5 p 16 The appliance is shipped with the gas valve already set If further adjustment should be necessary proceed as explained below see Figure 3 10 p 17 The adjustment must be done by professionally qualified personnel ROBUR S p A has a network of Assistance Centres y 2 which can be contacted via your reseller area agent or by phoning ROBUR S p A Custom
3. gt Hook the appliance up as shown in the installation wiring diagram see Figure 3 11 p 18 and make sure the power supply is rated at 230 V 1N 50Hz Make sure that gt theelectricity mains specifications correspond to the specifications on the nameplate gt the cable is of the type H05 VVF 3x1 5 mm2 with a maximum external diameter of 8 4mm ensure that 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 guarantee the ground connection The electrical safety of the appliance is guaranteed only when it is correctly connected to an efficient grounding system executed in accordance with current safety regulations Do not use gas pipes to ground electrical appliances gt The appliance must be connected to the mains cable via a two pole switch with minimum air gap 3 mm A two pole switch is one which opens both the phase and the neutral contacts Thus both contacts will be open when the switch is opened Installation use and maintenance manual Heaters Line B15 Series 10 3 INSTALLATION gt It is obligatory to equip the installation with a room thermostat connected to the appliance as shown in the installation wir ing diagram see Figure 3 11 p 18 Locate the thermostat or its sensor around 1 5 m off the floor shielded from draughts direct sunlight direct heat sources lamps the appliance s hot air o
4. 447 91 regarding the safety of heating systems Y Y Y Y UNI CIG 7129 governing the installation of appliances supplied with natural gas gt Italian Law n 186 of 1 March 1968 regarding the installation of electrical systems On the basis of the installation design set out the gas and electrical supply lines as well as the appliance s supporting brackets The appliance may be installed horizontally at an angle or vertically air flow downwards using the optional mounting bracket 3 1 p 9 Figure 3 1 Possible installation positions for series B15 generator During the installation observe the following precautions gt Unpack the appliance and check it for damage suffered during shipping each appliance is factory tested before shipping if it is damaged notify the shipping agent immediately gt Allow a clearance of at least 300 mm between the back of the appliance and the wall for an adequate air supply see Figure 3 2 p 10 gt The optimal recommended height from the ground of the generator s base is 2 5 m see Figure 3 2 p 10 Do not install the appliance at less than 2 20 m above the ground gt Acut off valve and three piece coupling must be fitted on the gas supply gt Check that there is an adequate mains gas supply In particular make sure that the gas mains pressure with the appliance oper ating is set to 20 mbar 204 mm H O with an admissible range of 17 mbar to 25 mbar G20 natural gas supply
5. apun 0394 s0uJ48 393s0u48u3 HUNT oubesip Ipan QN3511 jung a4030 43U8A uoj an OFICIESLJFT INSTALLATION 3 6 WIRING DIAGRAMS Figure 3 11 3 00 ET S06 b 2523 OO 5 Ix Il 1 D va T D a Li Q9 MOTBA OWOD OO I S35 0 513 Sel I I i mi p ds 94 4a8uuJ4 nayr nd OvO E i Ed 38404309 j30S JuUJG uol zo oB 2j poy ossoy OvO D 1 3 BUO Z0ZUSWI O 5 6 anO et X Lll Em punog DU0UuzZDd a a J uJOJ3SU041 OO X um zH09 0c A0gg N ZO Ave A ddns 7 CO OuJ AUI 1015S3 9d Gw Aoze e s x ea1 L D Installation diagram 18 3 INSTALLATION Figure 3 12 RL1 RL2 N N TA TA TA CR f gt N 230 V 1N 50 Hz LEGEND P programmer TA room thermostat RL1 2 3 programmed control relay GR ground L N single phase line 230 V 50 Hz A wall mounted generator Z9 generator internal terminals Installation of multiple appliances with a single programmer and multiple room thermostats Installation use and maintenance manual Heaters Line B15 Series 19 20 3 INSTALLATION Figure 3 13 LEGEND P TA RET 2 5 GR L N A Z9 RL1 RL2 WA programmer room thermostat programmed control relay ground single phase line 230 V 50 Hz wall mounted generator generator internal terminal
6. thus cutting off gas supply to the burner gt Power voltage 230 V 50 Hz gt Operating temperature 0 C to 60 C gt Model SIT 830 Tandem BM 762 Figure 2 1 LEGEND transformer 230 24 V AC ignition transformer terminal block with fuse limit thermostat controller gt Electrical panel 2 OVERVIEW AND TECHNICAL FEATURES 2 4 TECHNICAL DATA Table 2 1 Technical data TECHNICAL CHARACTERISTICS unitofmeasurement BIS appliance category jh appliance category Germany ee ds category Poland WWIIIIDINT GIGFIGE bgwis appliancetype 3 63 3 8 23 63 C53 ga naturaimethane A memlapdy T w efficiency 9 o tur r fumescombusionairitingda M fumesoutlet ooo mm 8 wotge BD electrical power o _ _ ns eS f RBS operating temperature inom 0935 thermal differential EE ji Ce sound level at 6 m 1 At 15 C 1013 mbar 2 WARNING The operating temperature IN THE ROOM is 0 C 35 C The operating temperature OF THE APPLIANCE S COMPO NENTS is 0 C 60 C 3 At 20 C 1013 mbar 4 Values measured in an open area in a real installation the thermal flow may reach GREATER distances than those given here depending on the height of the ceiling and its thermal insulation Installation use and maintenance manual Heaters Line B15 Series 2 OVERVIEW AN
7. Undo the hexagonal ring nut connecting the gas pipe to the nozzle mount fitting Move the gas pipe aside and remove the nozzle Undo the four bolts securing the blower screw Remove the deflector and its gasket Slacken off the four bolts securing the burner and when it is resting on the base completely unscrew it and remove it Fit a tube into the burner do not bend damage or tamper with the deflector inside the burner and exert upwards pressure to extract the burner 8 Clean the burner with compressed air 9 Refit the burner with its cavity uppermost 10 Fit the lower bolts then the upper ones and then tighten them all down in a crosswise pattern 11 Refit the diaphragm and its gasket 12 the blower screw with its four bolts 13 Fit the nozzle and its gasket into the nozzle mount 14 Tighten down the hexagonal ring nut connecting the gas pipe to the nozzle mount fitting QUEM ge oo NJ c 5 SERVICE AND ASSISTANCE Figure 5 1 LEGEND use a 30 mm wrench on the gas tube connection nut Removing the gas tube Installation use and maintenance manual Heaters Line B15 Series 25 2000 VERSION ISO 14001 Robur mission 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 GFOCEBELIF caring for the environment Robur S
8. long air fumes systems are required In this type of system the calculation of the sir fumes system requires the data provided by the tubes manufacturer as well as the composition flow rate and temperature of the fumes themselves see Table 3 1 p 12 In any case always use tubes which are homologated for the type of installation in question ROBUR S p A can provide homologated rigid tubes coaxial tubes and terminals In order to dimension the system of tubes you must calculate the total pressure drop of the system The total admitted pressure drop is given in Table 3 1 p 12 The pressure drops of the fumes air and coaxial tubes supplied by ROBUR are given in Table 3 2 p 12 for dia 80 and 100 The pressure drops of external terminals need not be considered as they are negligible When designing the system check that the sum of pressure drops of the system of tubes is less than the maximum pressure drop permitted for the appliance see Table 3 1 p 12 The following pages give an example calculation of the pressure drop For the maximum admitted lengths APPROXIMATE for the air and fumes tubes depending on the type of installation in question refer to Table 3 3 p 13 and the note following it If the horizontal fumes tubes are longer than 1 metre to prevent condensation returning to the appliance the tube must be installed at a downwards slope of 2 or 3 cm per metre of length see Figure 3 4 p 12 Furthermore for a correct in
9. D TECHNICAL FEATURES 2 5 DIMENSIONS Figure 2 2 Lan TZ T A I mE E3 FH J Li Sc r 1 s e TZ 7 9 s AL 4 Y a s ae 1 430 LEGEND 1 fumes outlet fitting 2 combustion air intake fitting 3 power cable inlet 4 gas fitting A front view B side view C rear view Series B15 dimensions OFICIESLJFT 3 INSTALLATION 3 INSTALLATION 3 1 GENERAL INSTALLATION INSTRUCTIONS gt The installation must be done as instructed by the manufacturer by professionally qualified personnel gt Professionally qualified personnel is defined as those possessing specific technical competence in the residential heating equipment sector Contact ROBUR S p A Presales tel 39 035 888 111 for any further information gt Incorrect installation may cause damage to persons animals or things for which the manufacturer is not liable gt Theinstallation must be done in accordance with established local and national regulations in particular gt Italian Ministerial Decree of 12 April 1996 containing fire prevention regulations regarding the design construction and op eration of heating systems supplied with gas fuel Italian Decree n 412 93 governing the design installation operation and maintenance of heating systems Italian Decree n 551 99 which introduces certain modifications to D P R n 412 93 Italian Law n 46 90 and its actuating regulation D P R
10. F DIA 80 COMPONENTS PRESSURE DROP OF DIA 100 COMPONENTS tube Pa m 90 bend Pa coaxial Pa tube Pa m 90 bend Pa coaxial Pa wall O 1 6 Each T junction increases the effective length of the tube to which it is mounted by 3 metres For example if the junction is fitted to a 2 metre fumes tube when calculating the pressure drop you must deem the total length of the tube to be 5 me tres Each 5 bend increases the effective length of the tube to which it is mounted by 1 2 metres For example if the bend is fitted to a 2 metre air tube when calculating the pressure drop you must deem the total length of the tube to be 3 2 metres 3 INSTALLATION Table 3 3 Approximate maximum lengths LUNGHEZZE MASSIME INDICATIVE AMMESSE m per TIPO di installazione SE C53 separate 7 separate ube coaxial wall mounted coaxial roof mounted tubes dia 125 dia 125 dia 80 dia 80 O SCR007 dia 180 O KTCO04 o_ccn008 dia 150 O SCR009 dia 210 dia 80 Horizontal Vertical J dia 80 tubes dia 130 tubes dia 80 tubes dia 100 tubes dia 130 tubes 25425 20420 25125 30430 8 The above maximum admitted lengths are to be considered APPROXIMATE and apply to installations in which the tubes air and fumes are routed linearly as shown in Figure 3 5 p 12 Figure 3 6 p 13 and Figure 3 7 p 14 If this condition does not apply you must calculate the pressure dr
11. S EXHAUST TUBES 11 3 3 PRACKETINSTALLA TON 14 3 4 INSIALPINGIHEWALLIANELu SS u uu awqasqa 15 3 5 BN Sig THEO Satter u usa en Ur aa u 16 3 6 WIRING y 18 4 1 s VI RIN TON AND SWIC RIN ORF 22 SERVICE AND ASSISTANCE 5 1 VERUS 24 5 2 CLEANING THE REMOVABLE BURNER 24 Installation use and maintenance manual Heaters Line B15 Series PREFACE 1 PREFACE The present Installation use and maintenance manual is intended for anyone who is to install or operate Robur series B15 hot air generators In particular the booklet is intended for the plumber who will install the generator the electrician who will connect it to the mains power supply and the final user who will control it during everyday operation The booklet is also intended for technical service staff charged with the main service tasks Summary The booklet has 5 sections SECTION 1 is a brief introduction to the use of the manual itself SECTION 2 is intended for use by the final user hydraulic an
12. alfunction pressing button B on the wall panel see figure e Generator power failure during operation 4 1 p 22 flashing on 1 sec off Poor electrical connections The malfunction indication is automatically reset eC I Blower failure e Blower motor malfunction once the cause of the malfunction has been Poor performance eliminated malfunction NOT indi he burner switches off and does not The room thermostat is positioned in such a way 7 cated by wall panel start again even if the room temperature as to be affected by sources of heat or the flow Reposition the room thermostat requires it to do so of hot air 5 2 CLEANING THE REMOVABLE BURNER The burner of series B15 generators can be removed this is especially useful for cleaning The burner should be cleaned every two years If the appliance is installed in especially dirty conditions in the presence of welding and grinding equipment or other machinery clean the burner once a year before the start of the winter season A The burner must be removed and cleaned by professionally qualified personnel Incorrect or careless assembly of the gas circuit can result in hazardous gas leaks along the circuit especially in the areas directly affected To clean the burner proceed as explained below see Figure 5 1 p 25 oe You will need generator powered off with master power switch set to OFF and gas valve set to CLOSED Open the generator s hatch
13. appliance with the master power switch Set button A summer winter button to Winter snowflake ICON detail 1 Figure 4 1 p 22 After the pre plunge time around 40 seconds the gas solenoid valve opens and the burner ignites The appliance s controller keeps the valve open so long as it detects the flame If it does not the controller locks out the appliance and turns on the lockout led on the reset button B detail 3 Figure 4 1 p 22 if this occurs press the reset button B 8 Once he burner has ignited set the room thermostat to the desired value DUEB gm 9 ct Figure 4 1 LEGEND A summer winter button B reset button 1 snowflake icon winter position for heating operation 2 sun icon summer position for ventilation operation only 3 lock out led Wall panel SWITCHING OFF To switch off the appliance proceed as follows oe You will need the appliance operating switched on Set the room thermostat to its minimum The burner will go out whereas the fan will continue running so long as the appliance is still warm AN Do not switch off the appliance by shutting off its power supply as this can severely damage it by stopping the fan and trip ping the limit thermostat automatic reset OFICELIFI 4 USE AND OPERATION 1 The limit thermostat ONLY trips during malfunctions Before resetting it troubleshoot the problem in this case overheat _
14. d electrical installation technicians and the service technician it gives general warnings operating instructions and constructional specifications for the B15 series SECTION 3 is intended for use by the hydraulic and electrical installation technicians it provides the information required to install series B15 generators correctly SECTION 4 is intended for use by the final user it provides the information required to operate series B15 generators correctly SECTION 5 is intended for use by technical service technicians it provides the information required to adjust the gas flow and run gas type changeovers It also includes service instructions The icons used in the manual have the following meanings AN DANGER i WARNING NOTE oe START OF OPERATING PROCEDURE REFERENCE to another part of the manual or other document OFICELIFI 2 OVERVIEW AND TECHNICAL FEATURES 2 OVERVIEW AND TECHNICAL FEATURES This section contains general instructions regarding the installation and operation of series B15 generators and a brief section about the operation of generators their construction and technical data 2 1 WARNINGS This manual constitutes an integral and essential part of the product and must be delivered to the user together with the appliance The appliance must only be used for the purposes for which it has been designed Any other use must be considered inappropriate and therefore dangerous AN The ap
15. e causes may include insufficient gas flow meter excessive length number of bends in the gas pipe for the dia in use Only if the appliance passes these basic checks proceed to troubleshoot the problem in question i Before opening the appliance s side hatch to access its electrical panel SHUT OFF POWER to the appliance with the master power switch on its power cable Table 5 1 Malfunctions LED ON DESCRIPTION OF MALFUNCTION CAUSE RESPONSE e The ignition electrodes are broken or badly Reposition or replace the electrodes located Reposition or replace the electrode e The detection electrode is broken or badly Replace the circuit board located or is in contact with the appliance s metal Replace the gas valve Flame locked out due to failure to ignite frame Restore the ground plant burner Circuit board electrical connection failure Vent the air in the gas hose Gas valve electrical connection failure Reset the gas valve Ineffective ground plant Once the cause of the malfunction has been Air in the gas hose or no gas supply identified and eliminated press button B on the Incorrect gas valve setting wall panel see figure 4 1 p 22 Dirt accumulation on the air intake Once the cause of the malfunction has been iden flashing on 4 sec off Limit thermostat tripped due to over Delivery outlet blocked tified and eliminated reset the limit thermostat 1 sec heated heat exchangers Fan m
16. e gas valve Y Y Y Y Contact professionally qualifled personnel for assistance 2 2 NOTES ON OPERATION OF THE APPLIANCE The series B15 hot air generator is an independent heating appliance with sealed circuit and forced draw The appliance can be used with natural gas G20 It is designed for installation inside the room to be heated The combustion circuit is sealed in relation to the room and corresponds to the requirements of EN 1020 for type C appliances the combustion air intake and fumes exhaust are outdoors and are driven by a blower in the combustion circuit The appliance is homologated as type B for installations in which the combustion air is drawn directly from the room itself The generator is controlled by a room thermostat not supplied When the thermostat trips the controller waits for a pre plunge delay of around 40 seconds and then ignites the burner The detection electrode senses the flame If it fails to detect a flame the controller locks out the appliance Installation use and maintenance manual Heaters Line B15 Series 2 OVERVIEW AND TECHNICAL FEATURES Combustion products are sent through the heat exchangers which are subject to an external flow of air from the fan thus delivering hot air to the room The flow of air can be adjusted vertically with the horizontal fins of the delivery grille On request a vertical fins kit is available to en able the direction of the flow of air to be adjusted horizonta
17. er Assistance tel 39 035 888 111 je ge You will need the appliance connected to the power gas supply Necessary equipment and materials 1 Connect a pressure gauge to pressure fitting B after having slackened off the seal screw 1 If using a differential gauge connect gas valve fitting B to the gauge s positive terminal y 2 Turnon the appliance and wait for the flame to reach a steady state around 2 minutes 3 Operation with hatch open remove its cap with a screwdriver and adjust offset adjuster screw A you will need a 4 mm allen key to the nominal value given in 3 5 p 16 Table 3 5 Offsets OFFSETS OFFSET 1 Check that the CO percentage is as given in 3 1 p 12 If it is not adjust the offset again until the CO percentage is as given in 3 1 p 12 2 Turn the appliance off and back on again two or three times to check that the new setting is stable 3 Disconnect the pressure gauge and screw pressure fitting B seal screw back in again 4 Restore the appliance making sure to fit the cap onto screw A OFICELIFI 3 INSTALLATION Figure 3 10 LEGEND A offset adjuster screw B outlet gas pressure fitting C inlet gas pressure fitting Gas Valve Installation use and maintenance manual Heaters Line B15 Series 17 auo sua220 D JO010uJ0J3S041 A4 WJOJ3SU9041 6 T E Tes D EHE ES ee 8404 0 2nag Jauung
18. f the following ways gt Type B installation this type has the combustion air intake inside the room and the fumes exhaust outdoors via a dedicated tube which may be either horizontal or vertical In this case the appliance is not sealed off from the room see Figure 3 5 p 12 gt TypeC installation The fumes exhaust and the air intake are routed in coaxial or separate horizontal tubes or wall mounted see Figure 3 6 p 13 In this case the appliance is sealed off from the room gt TypeC installation the fumes exhaust and the air intake are routed in coaxial or separate vertical tubes or roof mounted see example C33 in Figure 3 7 p 14 In this case the appliance is sealed off from the room gt Type G installation the fumes exhaust and the air intake are routed in separate tubes which exit outside the building and at a distance from each other This type of installation enables implementation of air intake for example with horizontal tubes or wall mounted behind the appliance and the fumes exhaust distant from the appliance with a horizontal or vertical tube or roof mounted see example C53 in Figure 3 7 p 14 In this case the appliance is sealed off from the room gt Type Cs installation this type enables the implementation of fume air installations using commercially available tubes bends and terminals homologated Furthermore it enables the use of tubes of diameter greater than 80 mm fro example when very
19. fter having found a suitable location at most 100 metres away from the generator itself install it with the expansion bolts 2 then route the cable FROH 8x1 mm of a suitable length maximum 100 metres a shut off power to the appliance 4 open the hatch on the appliance and connect the cable to the terminal block as shown in the installation wiring diagram Figure 3 11 p 18 see connection details E I and Reset Terminals Z9 Z9 on the appliance s terminal block are intended for hooking up a room thermostat see connection detail T A in the Figure 3 11 p 18 Terminals Z9 Z9 enable you to control multiple generators with a single external enable signal e g analogue thermostatic programmer clock etc as shown in the connection examples in Figure 3 12 p 19 Figure 3 13 p 20 and Figure 3 14 p 21 5 restore the appliance Now check the operation of the appliance to ensure the connections have been made correctly With reference to the pro cedures given in Paragraph 4 1 p 22 6 activate FAN ONLY mode activate HEATING mode 8 in HEATING mode close the gas supply line and check that the lockout led on the reset button B lights up after a few seconds detail 3 Figure 4 1 p 22 9 now check that when you open teh gas cock and press reset button B the lockout led goes out and the generator starts up again Installation use and maintenance manual Heaters Line B15 Series 15 16
20. ial heating equipment sector Contact ROBUR S p A Technical Assistance Centre tel 39 035 888 111 for any further information If the appliance is put out of service for a long time refer to paragraph 4 1 p 22 If the appliance is to be sold or transferred to another owner ensure that this booklet is handed over to the new owner and installa tion technician for their reference Before starting up the generator have the following items checked by professionally qualified personnel the electricity and gas mains specifications correspond to the specifications on the nameplate the fumes exhaust tubes are operational the combustion air and fumes exhaust are in accordance with established legislation the gas supply seals both internal and external the gas flow rate setting as required by the generator s power rating the gas supplied to the appliance is of the type for which it is designed the gas supply pressure in relation to the admitted range specified on the nameplate Y Y Y Y Y Y Y YV the gas supply system is correctly rated for the capacity required by the appliance and that it is equipped with all safety and control devices prescribed by current regulations Do not use gas pipes to ground electrical appliances IF YOU SMELL GAS dd Do not operate electrical switches the phone or any other equipment which may generate sparks Immediately open the doors and windows to allow fresh air to enter the area Close th
21. ing If it trips frequently contact ROBUR TAC SUMMER MODE To activate FAN ONLY mode proceed as follows You will need the appliance connected to the power gas supply 1 Close the gas valve and check that the appliance is powered up 2 Set button A summer winter button to Summer sun ICON detail 2 Figure 4 1 p 22 this runs only the fan to refresh the air in the room PROLONGED PERIODS OF DISUSE If the appliance is put out of service for a LONG TIME i e seasonal disuse proceed as follows Switch the appliance off and wait for the fan to stop running Close the gas cock upline of the appliance gt Ifyou have no intention of using SUMMER mode switch off the power supply to the appliance with the master power switch on the power cable 3 SWITCHING THE APPLIANCE BACK ON after a long period of disuse it may be necessary to start up the appliance sev eral times due to air in the tubes Installation use and maintenance manual Heaters Line B15 Series 23 24 5 SERVICE AND ASSISTANCE 5 SERVICE AND ASSISTANCE 5 1 MALFUNCTIONS Before taking any particular measures always check that gt the power supply is present 230 V 10 50 Hz with an effective ground plant gt the gas supply is present gt thegas pressure and flow rate must be in the range specified by the manufacturer A lower pressure than that indicated by the manufacturer corresponds to an insufficient gas supply Th
22. lly If the heat exchangers overheat due to a malfunction a limit thermostat trips and shuts off power to the gas valve which in turn cuts off the supply of gas to the burner The generator must be reset manually once the limit thermostat has tripped using the remote control A blower upline of the burner mixes the air and gas and expels the combustion fumes The generator can run in HEATING mode WINTER mode and also provides a pleasant flow of fresh air during the summer in FAN ONLY mode SUMMER mode For further information see paragraph 4 1 p 22 2 3 TECHNICAL MANUFACTURING CHARACTERISTICS Series B15 hot air generators are supplied complete with pre mix burner in stainless steel high head blower cylindrical combustion chamber in stainless steel heat exchangers in corrugated stainless steel with a very large exchange surface external panelling in steel with epoxy powder enamel finish high capacity axial fan CONTROL AND SAFETY COMPONENTS P controller board with CPU controls burner ignition flame detection blower speed control fan speed control gt Power voltage 230 V 50 Hz gt Safety time 5 seconds Y Y Y Y Y Y y gt Pre plunge time 5 seconds gt Model Bertelli amp Partners DIMS05 with ignition transformer gt limit thermostat set to 100 C automatic reset to prevent heat exchanger overheating P gt Gas solenoid valve if a safety device trips limit thermostat the gas valve is de excited
23. op see EXAMPLE CALCULATION below the installation is permitted only if the total pressure drop is less than the admitted pressure drop see 3 1 p 12 EXAMPLE CALCULATION We are to install a B15 with separate tubes dia 80 as follows gt 7 metres of fumes tube dia 80 290 bends dia 80 on the fumes tube gt 6 metres of air tube dia 80 We can now calculate the pressure drop see Table 3 4 p 13 bearing in mind that the total admitted pressure drop is 60 Pa Table 3 4 Example numerical calculation COMPONENT Quantity m Pressure drop Pa m Perdite di carico Pa j e 4 O Dia 80 fumes tube 90 bends Dia 80 air tubes TOTAL PRESSURE DROP The total pressure drop is less than the admitted pressure drop 9 3 Pa less than the maximum admitted figure of 60 Pa and hence the installation is PERMITTED If the installation had turned out to be not permitted due to excessive pressure drop we could have adopted one of the following measures reduce the length of the air fumes tubes increase the diameter of the tubes to dia 100 For special installations phone ROBUR Presales at 39 035 888 111 Figure 3 6 LEGEND C13 C13 type installations V1 generator seen from above E1 example with separate wall mounted ducts E2 example with coaxial wall mounted duct A combustion air intake F fumes exhaust C13 type installations Installation use and maintenance manual Heaters Line B15 Serie
24. pa advanced climate control technologies Via Parigi 4 6 24040 Verdellino Zingonia Bg Italy T 39 035 888111KF 39 035 884165 www robur it robur robur it 24 11 2014 Codice D LBR595 14 MCM SDC 020 Revisione D
25. pliance 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 manufacturer is exempt from any contractual or extra contractual responsibility for damage caused by errors of installation use and in any case the non observance of the instructions supplied by the manufacturer The appliance must be installed in accordance with established legislation Do not obstruct the fan intake or the outlet grilles H Inthe event of failure of the appliance and or breakage of any of its parts deactivate it by disconnecting it from the electri cal and gas supplies and refrain from any attempt to repair and or restore operation of the appliance through direct action Any repair may be carried out solely by a ROBUR Technical Assistance Centre using only original replacement parts The non observance of the foregoing warnings may compromise the safety of the device For correct operation the appliance must be overhauled annually as per the manufacturer s instructions by professionally quali fied service personnel 0990000 4 ne Professionally qualified personnel is defined as those possessing specific technical competence in the resident
26. s 13 3 INSTALLATION Figure 3 7 LEGEND V1 generator front view V2 generator side view A combustion air intake F fumes exhaust S C condensation outlet C33 type C33 installation C53 type C53 installation C33 and C53 type installations Figure 3 8 LEGEND IN combustion air intake OUT fumes exhaust A recommended position OK B admitted position OK C NOT admitted position NO Wall terminal position 3 3 BRACKET INSTALLATION USING ROBUR SUPPORTING BRACKETS ROBUR S p A provides easy to install mounting brackets as accessory equipment for the series B15 generator accessory code O STF019 To install the appliance using the Robur 5 9 mounting bracket 1 install the bracket to the appliance as explained in the instructions supplied with the O STF019 mounting bracket itself 2 follow the instructions given in Paragraph 3 1 p 9 and Figure 3 2 p 10 3 drill n 4 holes into the wall through its entire thickness in line with the 4 holes in the wall plate supplied with the Robur bracket 4 secure the generator s mounting bracket to the wall using the counterplate supplied with the Robur bracket secure the coun terplate located on the outside of the wall to the wall plate on the inside of the wall with 4 M10 bolts Observe the warnings given in the Robur O STF019 bracket s assembly instructions 3 INSTALLATION USING SHELVES not supplied by Robur If he opt
27. s TA RL3 V GR O gt N 230 V 1N 50 Hz Installation of multiple appliances with a single programmer and a single room thermostat solution with multiple relays 3 INSTALLATION Figure 3 14 TA RL of N 230 V 1N 50 Hz Ko L LEGEND P programmer TA room thermostat RL programmed control relay GR ground L N single phase line 230 V 50 Hz A wall mounted generator Z9 generator internal terminals Installation of multiple appliances with a single programmer and a single room thermostat solution with a single relay Installation use and maintenance manual Heaters Line B15 Series 21 22 4 USE AND OPERATION 4 USE AND OPERATION 4 1 SWITCHING ON AND SWITCHING OFF je The first start up must be done by professionally qualified personnel Before starting up the generator have it checked by professionally qualified personnel the electricity and gas mains specifications must correspond to the specifications on the nameplate the calibration must be compatible with the generator s power rating the fumes exhaust tubes are operational Y Y Y Y the combustion air and fumes exhaust must be in accordance with established legislation WINTER MODE To activate HEATING mode proceed as follows oe You will need the appliance connected to the power gas supply Set the room thermostat to its maximum Check that the gas valve is open Power up the
28. s not to use Robur mounting accessories the installer must not only observe the instructions given in Paragraph 3 1 p 9 and Figure 3 2 p 10 but must also employ a shelf which satisfies the specifications of Figure 3 9 p 15 The shelf must be sufficiently robust for its intended use and able to support the weight of the appliance see Table 2 1 p 7 plus its own Figure 3 9 176 mm LEGEND ec d S supporting plate l P wall mounted plate and counterplate a generator base mounting hole spacing C generator rear mounting hole spacing b generator base rear support plane line of intersection V generator mounting bolts D detail of b c use n 4 spring washer 6 4x12 5 UNI 6592 69 R40 galvanised washer D 6 UNI 8842 A6 galvanised bolts UNI EN 24017 M6x20 8 8 galvanised MIN 300 mm 430 mm Installation with supporting bracket provided by installer 3 4 INSTALLING THE WALL PANEL Series B15 appliances are supplied with a wall panel with summer winter button and reset button with lockout led Figure 4 1 p 22 The panel should be installed on the wall in an appropriate position It connects to the appliance as shown in Figure 3 11 p 18 u 1 D This must be done by a qualified technician as instructed in Paragraph 3 1 p 9 Make sure that the cables are not live when making the connection Each wire must have at least a 1 mm cross section To install the wall panel proceed as follows 1 a
29. stallation of the external fumes exhaust and air intake terminals observe the instructions given in Figure 3 8 p 14 Installation use and maintenance manual Heaters Line B15 Series 11 12 3 INSTALLATION Figure 3 4 LEGEND P p 96 tube slope PA slope to be provided 296 or 396 downwards WA g example slope downwards of 2 cm per metre or 3 cm per 4d metre ires lt 0 E p 7 horizontal tube slope If the fumes tubes are vertical to prevent condensation from returning to the appliance equip the base of the vertical tube with a T junction to collect the condensate see example B in Figure 3 5 p 12 Figure 3 5 LEGEND A type B23 installation with horizontal exhaust or wall mounted B15 generator seen from above B type B23 installation with vertical exhaust or roof mounted B15 generator side view 7 B15 y IM combustion air intake 2 fumes exhaust jm 3 condensation outlet B23 type installations with wall mounted exhaust and roof mounted exhaust Table 3 1 Data for calculating the air fumes system with commercially available tubes DATA FOR CALCULATING THE AIR FUMES SYSTEM WITH COMMERCIALLY AVAILABLE TUBES Fumes outlet temperature C Fumes mass flow rate kg h Admitted pressure drop Pa 92 94 0 Table 3 2 Data for calculating the air fumes system with dia 80 dia 100 tubes supplied by Robur Spa PRESSURE DROP O
30. utput etc and preferably NOT on an external wall as this will compromise its temperature reading and hence the operation of the installation THIS PREVENTS UNDESIRABLE OPERAT ING CYCLES AND ENSURES OPTIMAL HEATING COMFORT IN THE ROOM Asan alternative to the room thermostat use one of the accessory adjustment and programming units The control cables especially those connected to the wall panel and temperature sensors must be protected from interfer ence generated by power cables This can be achieved for example by shielding the cables or routing them through ducts separate from power cables gt For best results comfort and efficiency observe the following rules make sure that the air flow is not directed towards persons adjust its direction with the grille fins takeany obstacles into account columns etc frobetter heat distribution in multiple appliance installations provide alternating hot air flows see Figure 3 3 p 11 Z Min 200 A A Z i W 7 Z Z Y Z 2 2 3 0 m Z min max Z Z Z NN Clearances minimum clearance required for installation 3 INSTALLATION Figure 3 3 Example of generator positioning 3 2 SIZING AND INSTALLING THE COMBUSTION AIR FUMES EXHAUST TUBES Series B15 hot air generators can be installed in one o
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