Riello RS 64/E MZ Installation, Use And Maintenance Instructions Download

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Installation, use and maintenance instructions

20068423 (2) - 05/2015

Forced draught gas burners

Progressive two-stage or modulating operation

CODE

MODEL

TYPE

3789900 - 3789910

RS 64/E MZ

896 T

3789901 - 3789911

RS 64/E MZ

896 T

Summary of Contents for RS 64/E MZ

Page 1: ...on use and maintenance instructions 20068423 2 05 2015 Forced draught gas burners Progressive two stage or modulating operation CODE MODEL TYPE 3789900 3789910 RS 64 E MZ 896 T 3789901 3789911 RS 64 E MZ 896 T GB ...

Page 2: ...Translation of the original instructions ...

Page 3: ...6 4 12 1 List of phases 17 4 13 Operator panel operation 17 4 13 1 Symbols description on the display 17 4 13 2 Buttons description 18 4 14 Servomotors SQM33 19 5 Installation 20 5 1 Notes on safety for the installation 20 5 2 Handling 20 5 3 Preliminary checks 20 5 4 Operating position 21 5 5 Preparing the boiler 21 5 5 1 Introduction 21 5 5 2 Boring the boiler plate 21 5 5 3 Blast tube length 21...

Page 4: ...store procedure 41 6 9 1 Backup 41 6 9 2 Restore 42 6 9 3 Parameter list 44 6 10 Steady state operation 48 6 11 Ignition failure 48 6 12 Burner flame goes out during operation 48 6 13 Stopping of the burner 48 6 14 Final checks with burner operating 49 7 Maintenance 50 7 1 Notes on safety for the maintenance 50 7 2 Maintenance programme 50 7 2 1 Maintenance frequency 50 7 2 2 Checking and cleaning...

Page 5: ...Low Voltage Directive EMC 2004 108 EC Electromagnetic Compatibility Such products are marked as follows The quality is guaranteed by a quality and management system certified in accordance with UNI EN ISO 9001 Manufacturer s Declaration RIELLO S p A declares that the following products comply with the NOx emission limits specified by German standard 1 BIm SchV release 26 01 2010 Product Type Model...

Page 6: ...ried out correctly may cause damage to the ma chine and or injury to people DANGER DANGER LIVE COMPONENTS This symbol indicates operations which if not car ried out correctly lead to electric shocks with le thal consequences DANGER FLAMMABLE MATERIAL This symbol indicates the presence of flammable materials DANGER BURNING This symbol indicates the risks of burns due to high temperatures DANGER CRU...

Page 7: ...of damage to things or injury to people if such damage injury was due to any of the following causes incorrect installation start up use and maintenance of the burner improper incorrect or unreasonable use of the burner intervention of unqualified personnel carrying out of unauthorised modifications on the equipment use of the burner with safety devices that are faulty incor rectly applied and or ...

Page 8: ...nce Only those parts envisaged by the manufacturer can be replaced 3 2 Personnel training The user is the person body or company that has acquired the machine and intends to use it for the specific purpose He is re sponsible for the machine and for the training of the people work ing around it The user undertakes to entrust the machine exclusively to suitably trained and qualified personnel undert...

Page 9: ...op every 72h Electrical supply of the system 3 400 50 3 230 50 Voltage of auxiliaries 230 50 60 110 50 60 3N 400V 50Hz 3 230V 50Hz 230V 50 60Hz 110V 50 60Hz Heavy oil E Electronic cam EV Electronic cam and variable speed with Inverter M Mechanical cam P Proportional air gas valve S L LS N Head TC Standard head TL Long head Emission MZ BLU MX Class 1 EN676 Class 2 EN676 Class 3 EN676 Class 3 EN676 ...

Page 10: ...CZ DK EE FI GR HU IS IT LT NO SE SI SK II2H3B P ES GB IE PT II2H3P NL II2L3B P Model RS 64 E MZ Output 1 Max kW Mcal h 400 850 345 730 Min kW Mcal h 150 130 Fuel Natural gas G20 methane gas G21 G22 G23 G25 Gas pressure at max output 2 Gas G20 G25 mbar 10 7 16 0 Operation Intermittent min 1 stop in 24 hours Two progressive or modulating stages with kit see ACCESSORIES Standard applications Boilers ...

Page 11: ... long 4 7 Firing rate The maximum output is chosen within area A Fig 2 The minimum output must not be lower than the minimum limit of the diagram A D H I M V E O N L F B Fig 1 D3906 mm A B D E F 1 H I L M N O V RS 64 E MZ 533 300 490 640 250 385 179 352 222 2 134 870 221 WARNING The firing rate Fig 2 was obtained considering a room temperature of 20 C and an atmospheric pressure of 1013 mbar appro...

Page 12: ...1 it is necessary to reduce the output of the burner The reduction in output is accompanied by a reduction in the combustion chamber pressure Qr reduced output H1r reduced pressure Example 5 reduction in output Qr Q x 0 95 H1r H1 x 0 95 2 With the new values Qr and H1r repeat steps 2 5 Tab F Qe Q F kW H3 H2 x F mbar WARNING The combustion head should be adjusted in rela tion to the equivalent outp...

Page 13: ...tion chambers of very different di mensions compared to those shown in the diagram of Fig 4 pre liminary checks are recommended 4 9 Burner equipment The burner is supplied complete with Gas train flange No 1 Gasket for gas train flange No 1 Thermal insulation screen No 1 Screws M10 x 35 to fix the flange No 4 Screws M12 x 35 to fix the burner flange to the boiler No 4 Cable grommets for the electr...

Page 14: ...14 Flame inspection window 15 Ignition transformer 16 Cable grommets for electrical wiring to be carried out by the installer 17 Air servomotor 18 Air pressure switch differential type 19 Guides for opening the burner and inspecting the combus tion head 20 Gas pressure test point and head fixing screw 21 Air pressure socket 22 Flame sensor probe 23 Air damper 24 Fan air inlet 25 Screw to secure fa...

Page 15: ...charges must be avoided since they can damage the control box s electronic components when touched Installation notes Arrange the HV ignition cables separately as far as possible from the control box and the other cables Check the electric wiring inside the boiler complies with the national and local safety regulations Phase and neutral should not be exchanged cause of dan gerous malfunctions loss...

Page 16: ...h components in compliance with II and III ac cording to DIN EN 60730 1 Load on input terminals F1 unit fuse internal 6 3 AT Main fuse of perm network external Max 16 AT Undervoltage Safety switch off from operating position to mains voltage Restart when mains voltage picks up AC 186 V AC 195 V Input currents and input voltages UeMax UeMin Iemax IeMin UN 10 UN 15 1 5 mA peak 0 7 mA peak Voltage de...

Page 17: ...ply lines They should be sized for rated currents as per the pri mary external fuse and the fuse of the internal unit Min cross section Fuses used inside the control box F1 max 6 3 AT 0 75 mm 6 3 AT DIN EN 60127 2 5 Environmental conditions Storage Climatic conditions Mechanical conditions Temperature range Humidity DIN EN 60721 3 1 Class 1K3 Class 1M2 20 60 C 95 RH Transport Climatic conditions M...

Page 18: ...RVOMOTORS Air Fuel 90 Nominal load Post purging pos Ignition load Low flame Pos without load 0 S8870 Fig 7 Checking of seal Shutdown Operation Start up Timer Resolution Ratio Timer 1 parameters Timer 2 parameters Timer 3 max phase time Input signals PGmin PGMin Max gas pressure switch PGMax CPI seal TA ignition 90 Nominal load Post purging pos Ignition load Low flame Pos without load 0 RAST plug X...

Page 19: ...2 Ignition TA OFF Ph44 t44 interval time 1 Ph60 Operation Ph62 The burner moves to the switching off position Ph70 t13 post combustion time Ph72 The burner moves to the post purging position Ph74 t8 post purging time Ph78 t3 post purging time Ph80 Emptying time valve leak detection Ph81 Atmospheric test time valve leak detection Ph82 Filling time valve leak detection Ph83 Pressure test time valve ...

Page 20: ... lockout Access to a lower level of the menu To navigate in Service or Info Mode and allows the selection of the parameter flashing symbol press for 1 s access to a lower level of the menu press from 1 3 s access to a higher level of the menu press from 3 8 s access to another Mode press for 8 s Button Reduction of the value Access to a lower point of the modulation curve Scrolling of the paramete...

Page 21: ...oltage section The static torque is reduced when the electrical supply of the actuator is switched off The housing cover may only be removed for short periods of time for wiring or when making the addressing In similar cases make sure that dust or dirt does not penetrate inside the actuator The servomotor comprises a PCB with ESD sensitive com ponents The top side of the board carries a cover whic...

Page 22: ...e from hazardous mixes e g chloride fluoride halo gen if present it is highly recommended to carry out cleaning and maintenance more frequently WARNING The handling operations for the burner can be highly dangerous if not carried out with the great est attention keep any unauthorised people at a distance check the integrity and suitableness of the available means of handling Check also that the ar...

Page 23: ...it must be greater than the thickness of the boiler door com plete with its refractory The lengths L available are Tab J For boilers with front flue passes 13 Fig 17 a protection in re fractory material 11 must be inserted between the boiler refrac tory 12 and the blast tube 10 This protection must not compromise the extraction of the blast tube For boilers with a water cooled frontal a refractory...

Page 24: ...ead and adjust them WARNING Before fixing the burner to the boiler check from the opening of the blast tube that the probe and the electrode are correctly positioned as in Fig 16 WARNING Do not rotate the probe leave it as in Fig 16 If it is located too close to the ignition electrode the control box amplifier may be damaged WARNING Observe the dimensions shown in Fig 16 1 3 2 Fig 15 D8150 Fig 16 ...

Page 25: ...ad with anti seize products 5 8 Combustion head adjustment At this point of the installation the combustion head is fixed to the boiler as shown in Fig 15 Its adjustment is therefore particularly easy which depends sole ly on the maximum output of the burner This value must be set before adjusting the combustion head Find the air adjustment notch on the diagram Fig 18 Air adjustment Rotate the scr...

Page 26: ...ner in the position shown in Fig 20 connect the plug of the servomotor 14 Fig 17 and tighten the grommet 15 refit the screws 2 and the split pin on the guides 3 fix the burner to the pipe coupling with the screw 1 WARNING The adjustments indicated can be modified during the initial start up 6 4 5 Fig 19 D8151 WARNING When fitting the burner on the two guides it is ad visable to gently draw out the...

Page 27: ...control is compulsory for burners with maximum outputs over 1200 kW 9 Gasket for flanged versions only 10 Pressure adjuster 11 Train burner adaptor supplied separately P2 Upstream pressure of valves adjuster P3 Upstream pressure of the filter L Gas train supplied separately L1 The responsibility of the installer Explosion danger due to fuel leaks in the pres ence of a flammable source Precautions ...

Page 28: ...stion chamber at 0 mbar burner working at maximum output Column 2 Pressure loss at gas butterfly valve 2 Fig 27 with maximum opening 90 To know the approximate output at which the burner is operating at its maximum Subtract the combustion chamber pressure from the gas pressure measured at test point 1 Fig 27 Find in the Tab L relating to the burner concerned column 1 the pressure value closest to ...

Page 29: ... at the gas meter To know the required gas pressure at test point 1 Fig 27 set the maximum output required from the burner operation then find the nearest output value in the Tab L for the burner in question Read on the right column 1 the socket pressure 1 Fig 27 Add this value to the estimated pressure in the combustion chamber Example with natural gas G 20 Maximum output required 700 kW Gas pres...

Page 30: ...sorily be stopped at least once every 24 hours to enable the control box to per form checks of its own start up efficiency Normally burner stopping is guaranteed by the boiler s thermostat pres sure switch If this is not the case a time switch should be fitted in series to TL to stop the burner at least once every 24 hours Refer to the wiring diagrams The electrical safety of the device is obtaine...

Page 31: ... the lack of a phase For the calibration refer to the electrical wiring If the minimum value of the scale of the thermal relay is greater than the rating absorption of the motor protection is still ensured This arises when the power supply of the motor is 400 V To reset in the case of an intervention of the thermal relay press the button 1 Fig 29 Fig 29 2 1 D8267 ...

Page 32: ... switch Take the vent tube outside the building so you can notice the smell of gas Connect two lamps or testers to the two gas line solenoids to check the exact moment at which voltage is supplied This operation is unnecessary if each of the two solenoids is equipped with an indicator light that signals voltage passing through 6 3 Burner start up Feed electricity to the burner via the disconnectin...

Page 33: ...less than 150 kW with ts 3 s In order to measure the ignition output disconnect the plug socket 6 Fig 5 at page 12 on the ioni sation probe cable the burner will fire and then go into lock out after the safety time has elapsed perform 10 ignitions with consecutive lockouts on the meter read the quantity of gas burned this quantity must be equal to or lower than the quantity given by the formula fo...

Page 34: ...situations the con nection of the pressure switch does not allow it to change over In this case it is necessary to connect the pressure switch in dif ferential mode applying a second tube between the air pressure switch and the fan suction line mouth In this case also the pressure gauge must be connected in differ ential mode as shown in Fig 32 6 5 2 Maximum gas pressure switch Adjust the maximum ...

Page 35: ...tion and operation of the burner 6 5 4 PVP pressure switch kit Adjust the pressure switch for the valve leak detection control de vice PVP Kit Fig 35 if present according to the instructions supplied with the Kit itself Fig 35 D3855 ...

Page 36: ...us phases of the start up ignition and switch off of the burner In the example the display indicates that the burner is in Phase 30 see diagram Fig 36 and there are 12s to the succes sive stage 6 6 1 3 Display of the work position The burner is working in the requested load position in the exam ple alongside 78 4 6 6 1 4 Condition error message display of the errors and information The display vis...

Page 37: ... is working in Manual mode any outside adjustment is excluded and only the safety devices are active Keep the F key pressed and with the keys or increase or decrease the load percentage To exit manual mode press the keys and ESC simulta neously for 3 seconds the burner will work in Automatic mode and the output will depend on the thermostat adjustment pres sure switch TR 6 6 2 Info mode The Info m...

Page 38: ...mmed the list of parameters indicated on page 44 The factory set parameters are not visible To access this level you must follow Access procedure with password 6 6 4 1 Access procedure with password Press the F and A keys simultaneously for 1s For a moment the display will show CodE and immediately af ter you will see 7 dashes the first one flashing With the keys and select the first character of ...

Page 39: ...un derstood in seconds Press the key and increase the value to 25 seconds flash ing Press the key i reset to confirm and store To return to the list of parameters press the keys and ESC simultaneously WARNING The password must only be communicated to the qualified personnel or the Technical Assistance Service and must be kept in a safe place D9022 P s h min V reset ESC No Parameter 100 ParA Genera...

Page 40: ...he value For the air servomotor keep the key A pressed the position in degrees flashes and press the keys or to increase or de crease the value To adjust the speed of the inverter expressed in and that is 50 Hz 100 keep the buttons F and A simultaneously pressed the percentage position blinks and press buttons or to increase or decrease the value Select another point or exit this area by pressing ...

Page 41: ...e the section Procedure for inserting and adjusting points on the modulation curve at page 38 Phase 38 The ignition phase begins and the spark goes off Phase 40 The gas valves open the count of the safety time begins Check the presence of the flame from the special inspection window and that the combustion parameters are correct if necessary vary the degrees of opening closing of the air and fuel ...

Page 42: ...mum output If this is not the case work also on the gas valve stabiliser in this case however it is necessary to revise the calibrations of all the points previously set Once the calibration of point P1 is finished confirm by simulta neously pressing keys and ESC the parameter 546 ap pears If you want to make the burner work on the entire modulation curve press the and ESC keys simultaneously in t...

Page 43: ...i reset The parameter bAC_UP appears on the display screen confirm with the key i reset The display screen shows the following value Use the button The value will be set to 1 Value 1 is flashing confirm with the button i reset to activate the backup process The value 1 appears on the display screen After approx 5 seconds it depends on the duration of the pro gramme the 0 value appears on the displ...

Page 44: ...The parameter bAC_UP appears on the display screen With the key Select therEStorE parameter Confirm with the key i reset The display screen shows the following value Use the button The value will be set to 1 Value 1 is flashing confirm with the button i reset to activate the restore process WARNING It is advisable to perform a backup every time that a parameter is changed after checking the modifi...

Page 45: ...his is to in dicate that the restore process has been completed correctly NOTE When the restore process is successfully completed the 0 value is shown on the display screen Err C information 136 D 1 restore process initialised is displayed for a brief moment IMPORTANT At the end of the restore process it is neces sary to check the sequence of functions and the list of parameters D12145 h min s P V...

Page 46: ...1 Manual setting of output Not defined automatic operation 1 Modification zero setting 0 100 0 1 Not defined Info mode 123 Minimum output step position Index 0 BACS output Index 1 output of the external load regulator analogue Index 2 output of the external load regulator contacts 3 Modification 0 100 0 1 0 1 0 Service mode 124 Beginning flame loss test TÜV test define the parameter at 1 switch of...

Page 47: ... Reset 0 99999999 1 0 Info mode 200 CHECKS ON THE BURNER 201 Burner operation mode fuel supply line modulating stage servomotors etc not defined eliminate curves 1 Gmod 2 Gp1 mod 3 Gp2 mod 4 Lo mod 5 Lo 2 stage 6 Lo 3 stage 7 Gmod pneu 8 Gp1 mod pneu 9 Gp2 mod pneu 10 LoGp mod 11 LoGp 2 stage 12 Lo mod 2 fuel valves 13 LoGp mod 2 fuel valves 14 G mod pneu without actuator 15 Gp1 mod pneu without a...

Page 48: ...fication 0 3 1 2 Service mode 248 Gas Post purging time t3 at deactivation of the load LR ON 1 s Modification 1s 108 min 0 2s 1s Service mode 261 Oil selection of flame sensor 0 QRB QRC 1 ION QRA 1 Modification 0 1 1 0 Service mode 265 Oil pre purging time 1 s Modification 15s 60 min 0 2s 15s Service mode 266 Oil pre ignition time 1 s Modification 0 6s 60 min 0 2s 2s Service mode 270 Oil interval ...

Page 49: ...eading only 0 255 1 0 Info mode Error chronology 701 725 05 Start up meter 25 Reading only 0 99999999 1 0 Info mode 725 Error chronology 701 725 06 Load 25 Reading only 0 100 0 1 0 Info mode 900 PROCESS INFORMATION 903 Actual output Index 0 fuel Index 1 air 2 Reading only 0 100 0 1 0 Info mode 922 Position of the servomotors Index 0 fuel Index 1 air 2 Reading only 50 150 0 01 0 Info mode 942 Heat ...

Page 50: ...f Fig 40 at page 51 6 12 Burner flame goes out during operation If the flame accidentally goes out during operation the control box carries out a recycle i e it repeats the start up phase once and makes a further ignition attempt If the flame is still absent the control box goes into lockout 6 13 Stopping of the burner The burner can be stopped by intervening on the disconnecting switch of the ele...

Page 51: ...e mini mum end of scale position Turn the air pressure switch to the maximum end of scale position The burner must stop in lockout Switch off the burner and disconnect the voltage Disconnect the minimum gas pressure switch connector The burner must not start Disconnect the ionisation probe wire The burner must stop in lockout due to firing failure WARNING Make sure that the mechanical locking syst...

Page 52: ... accumulated inside the fan or on its blades as this condition will cause a reduction in the air flow rate and provoke polluting combustion Burner Clean the outside of the burner Flame inspection window Clean the glass of the flame inspection window Fig 38 Gas leaks Make sure that there are no gas leaks on the pipes between the gas meter and the burner Gas filter Replace the gas filter when it is ...

Page 53: ...igher current so controls are not normally required However if it is necessary to measure the ionisation current dis connect the plug socket on the ionisation probe cable and insert a direct current microammeter with a base scale of 100 µA see Fig 39 7 2 4 Checking the air and gas pressure on the combustion head To carry out this operation a pressure gauge must be used to mesure the air and gas pr...

Page 54: ...d the screw 8 7 4 Closing the burner Remove the split pin 9 Fig 41 and push the burner until it is approx 100 mm from the pipe coupling Reinsert the cables and slide the burner as far as the stop Connect the plug of the servomotor 14 Fig 17 at page 23 and tighten the grommet 15 Replace the screws 5 Fig 41 and split pin 9 and carefully pull the probe and electrode cables outwards until they are sli...

Page 55: ...sure on Lockout alarm at start 20 Air pressure fuel pressure on Alarm lock at start 68 Air pressure POC on Alarm lockout at start 84 Air pressure fuel pressure POC on Alarm lockout at start 4 Extraneous light 0 Extraneous light during start up 1 Extraneous light during switch off 2 Extraneous light during start up Lockout alarm at start 6 Extraneous light during start up air pressure Alarm lockout...

Page 56: ...wiring Check if the closure contact of the valve opens when the valve is checked 64 POC Open Alarm lockout at the start software version V02 00 Check the wiring Check if the contact of the valve opens when the valve is checked 22 OFF S Safety circuit Burner flange 0 Safety circuit open Burner flange open 1 Safety circuit open Burner flange open Alarm lockout at start 3 Safety circuit open Burner f...

Page 57: ...nce point 1 Check if the servomotors have been inverted 2 Check if the servomotor is blocked or overloaded 1 Reference error of the air servomotor The reference of the air servomotor was not successful It was not possible to reach the reference point 1 Check if the servomotors have been inverted 2 Check if the servomotor is blocked or overloaded Bit 7 Valence 128 Reference error owing to parameter...

Page 58: ...s not allowed If one of the 2 tests fails replace the control box because the contacts are definitively joined together and it is no longer possible to guarantee safety 98 Relay supervision error 2 Safety valve 3 Ignition transformer 4 Fuel valve 1 5 Fuel valve 2 6 Fuel valve 3 The relay does not start up Carry out a reset if the error arises repeatedly replace the unit 99 Relay internal checking ...

Page 59: ...e last setting of the parameters If the error arises repeatedly replace the control box 132 EEPROM register initialisation internal error Perform a reset if the error arises repeatedly replace the control box 133 135 EEPROM access internal error request synchronisation Carry out a reset repeat and check the last setting of the parameters If the error arises repeatedly replace the control box 136 1...

Page 60: ...ing an adjustment of the curve via the PC interface the communication between REC 27 100A2 and the operating panel has been interrupted for more than 30 s 33 Manual lockout after the PC tool has performed a tentative reset The PC tool has performed a tentative reset even if the system has worked correctly 168 171 Internal error management Carry out a reset if the error arises repeatedly replace th...

Page 61: ...nternal error Carry out a reset if the error arises repeatedly replace the control box 250 Internal error Carry out a reset if the error arises repeatedly replace the control box Error code Diagnostic code Meaning of the REC 27 100A2 system Recommended measures ...

Page 62: ...heat generator Kit for LPG operation Differential switch kit Gas flange DN80 kit A Appendix Accessories Burner Standard head length mm Extended head length mm Code RS 64 E MZ 250 385 3010427 Burner Thickness mm Code RS 64 E MZ 135 3010129 Burner Code RS 64 E MZ 3010094 Burner Type dB A Code RS 64 E MZ C1 3 10 3010403 Parameter to be checked Probe Output regulator Adjustment field Type Code Type Co...

Page 63: ...10 OCI410 30 Service Level Modbus interface kit Kit PVP Pressure Valve Proving Gas trains in compliance with EN 676 Please refer to manual Burner Code RS 64 E MZ 3010436 Burner Model Code RS 64 E MZ OCI412 3010437 Burner Gas train type Code RS 64 E MZ MB CB 3010344 ...

Page 64: ...ical panel layout Index of layouts 2 Indication of references 3 REC27 operational layout 4 REC27 operational layout 5 REC27 operational layout 6 Electrical connections set by installer 7 RWF50 operational layout 1 2 Sheet no 1 A1 Co ordinates Indication of references ...

Page 65: ...63 20068423 GB Appendix Electrical panel layout 0 1 234563 7 361 894 6 7 6 9 9 1 355 49 6 5 16 6 0 1 894 31 5 16 95 616 4 3 7 7 A B B B C B D B B B B B B B B B B C B ...

Page 66: ...20068423 64 GB Appendix Electrical panel layout 0 1 2 2 2 0 2 2 2 3 4 ...

Page 67: ...65 20068423 GB Appendix Electrical panel layout 0 1 1 2 1 1 1 1 1 3 3 3 1 1 0 1 4 4 4 4 4 1 5 5 1 4 4 4 4 4 4 4 4 4 4 5 51 1 4 4 4 4 4 1 6 7 5 5 78 9 5 51 1 9 7 7 88 8 ...

Page 68: ... 3 3 4 3 3 Ɖ 0 2 2 2 3 9 9 3 7 1 3 3 7 2 1 A BC D E 4 C 5 D 4 C F 5 G A F 5 H 7 A BC D E C D B C A I EDCE F JK H 7 A B BC D E C 5 DC B C A DD B L I E H 7 F A E C D E C M EF F H C F A F EB H F EB DN E 7 A E E 5 AI A 4 BC AA C 7 A E I5 M C BC B C A7 ALE E 5 D B A A BC C A7 BH E C AB 5NAA A BH 7 ...

Page 69: ... 7 4 G 6 3H 0 5 7 4 G 6 H 5 D 1 2 34 D F 7 D 5 G 6 H 54 5 4 45 5 4 4 7 4 1 1 4 4 7 4 4 4 G7H 4 G 6 H 5 5 45 5 D D 44 G H 4 5 45 0 I 0 F 0 F 0 F 0 I F F F 1 9 6 I D F 6 F J 0 F D D I F D F F D K I F F 0D F 1 I F 1 F F DI F D F D F D I F F F D6I D D F D 6 F D F D 0 I F F F D I F D F F D 2I 0 1 F 0 20 F 0 20 F 0 0 I D F F D F D 6 I D F F 6 FD F J 0 F F D FD 0 I F F F 0 2 4 5 4 5 D D D L L L L G H L F...

Page 70: ...sent clean contact relay KM Fan motor relay MV Fan motor PA Air pressure switch PE Burner earth PGM Maximum gas pressure switch PGMin Minimum gas pressure switch PGVP Gas pressure switch for valve leak detection control device Q1 Three phase disconnecting switch Q2 Single phase disconnecting switch RS Remote burner reset button S1 On off selector SM1 Air servomotor SM2 Gas servomotor TA Ignition t...

Page 71: ......

Page 72: ...Subject to modifications RIELLO S p A I 37045 Legnago VR Tel 39 0442 630111 http www riello it http www riello com ...

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