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S T E E L

B O I L E R S

INSTALLATION, OPERATION, MAINTENANCE AND 

SYSTEM MANAGEMENT MANUAL

RTS 2S

Summary of Contents for 20033204

Page 1: ...S T E E L B O I L E R S INSTALLATION OPERATION MAINTENANCE AND SYSTEM MANAGEMENT MANUAL RTS 2S ...

Page 2: ...ns of the Electromagnetic Compatibility Directive 2014 30 UE and Low Voltage Directive 2014 35 UE CONFORMITY RANGE CHARACTERISTICS High efficiency Low emissions when fitted with a low NOx burner MODEL CODE RTS 115 2S 20039921 RTS 150 2S 20033204 RTS 200 2S 20033205 RTS 247 2S 20033206 RTS 319 2S 20033207 RTS 410 2S 20033209 RTS 526 2S 20033210 RTS 736 2S 20040152 RTS 850 2S 20047146 RTS 1012 2S 20...

Page 3: ...larly by an authorised r Technical Assistance Centre Their personnel are specially trained to keep your boiler efficient and cheap to run Technical Assistance Centres also stock any original spare parts that might be required This instruction manual contains important instructions and precautions that must be observed to ensure the trouble free installation and efficient functioning of your r RTS ...

Page 4: ...g modernisation 18 Water connections 18 Anti condensate pump 20 Combustion gas exhaust 20 Boiler door hinges 21 Changing the direction of door opening 21 Earth connection 25 Fitting the casing panels 26 Location of sensors 28 TECHNICAL ASSISTANCE SERVICE Preparing for initial start up page 29 Initial start up 30 Checks during and after initial start up 31 Maintenance 32 Opening the door 32 Adjusti...

Page 5: ...ance Centre or a quali fied heating engineer immediately The operation of any appliance that uses fuel electrical power and water demands that a number of fundamental safety precautions be respected bPeriodically check that operating pressure in the water circuit is over 1 bar but below the maximum limit specified for the boiler If this is not the case contact r s Technical Assistance Service or a...

Page 6: ...ves the efficiency of convection heat exchange This system achieves maximum heat absorption without risking dam age through thermal stress Once out of the tube bundle the flue gases pas through a chamber at the rear of the boiler and into the vent flue Their special design with tube bundle over the combus tion chamber makes these boilers far narrower than conventional pressurised boilers and there...

Page 7: ...L M for central heating with a single stage two stage or modulating burner and a tem perature control card This type of control panel also acts as master control panel in cascad ed installations TECH CLIMA TOP for central heating 1 direct zone and 2 mixed zones and domestic hot water production with a single stage two stage or modulating burner Also for controlling solar heating system and cascade...

Page 8: ...ating 20047680 G A S O I L RLS 50 3484600 Two stage 4031395 RLS 70 3485000 Two stage 4031188 RLS 100 3485200 Two stage 4031196 20043900 RLS 190 M MZ 3488100 Two stage 20047680 RLS 250 M MZ 3482800 Two stage 20047680 O I L RL 64 MZ 3470400 Two stage 4031188 RL 50 3474630 Two stage 4031395 RL 100 3475230 Two stage 4031188 4031188 20043900 RL 130 3475430 Two stage 20043900 RL 190 3475612 Two stage 20...

Page 9: ...d with the boiler a aDo not re use old burners if their blast tube lengths are below those specified in the table RTS 2S 115 150 200 247 319 410 526 736 850 1012 1200 1355 1500 1850 L min 128 128 128 128 155 155 195 195 195 200 205 205 205 205 mm Diameter of door hole 140 140 162 162 180 190 205 205 205 230 230 230 230 270 Ø mm Thickness of door 93 93 93 93 103 103 118 119 119 119 119 119 119 119 ...

Page 10: ...527 737 851 1013 1201 1356 1501 kW maximum 115 150 200 247 319 410 526 736 850 1012 1200 1355 1500 1850 kW Useful efficiency at min Pn 93 4 93 4 93 4 93 4 93 4 93 4 93 4 93 4 93 4 93 4 93 4 93 4 93 4 93 4 at max Pn 92 2 92 2 92 7 93 5 93 5 93 5 93 5 93 5 93 5 93 5 93 5 93 5 93 2 93 5 Useful efficiency at 30 Pn Max 97 2 97 2 97 2 97 2 97 2 97 2 97 2 97 2 97 2 97 2 97 2 97 2 97 2 97 2 Constant press...

Page 11: ...ions Check that the gas cock and heating water cock are open While the system is still cold check that working pres sure in the water circuit is over 1 bar but below the maximum limit specified for the boiler If the system is equipped with a temperature controller or timer thermostat make sure that it is switched on Adjust the timer thermostat s or temperature controller to the desired temperature...

Page 12: ...and wait until the flame ignites Repeat this operation 2 3 times at the most If the prob lem persists after that call r s Technical Assistance Service If you need to shut down the system for a short period proceed as follows Turn the control panel power switch OFF and make sure that the green power indicator goes out Turn the mains power switch OFF bDo NOT perform this procedure if outdoor tem per...

Page 13: ...ou encounter any problems in completing the above procedure Use a cloth damped in soapy water to clean the boiler s external casing To remove stubborn marks use a cloth damped in a 50 mix of water and denatured alcohol or a suitable clean ing product Carefully dry the boiler after cleaning aDo not use abrasive cleaning pads or powder detergents aNever clean the boiler without first disconnecting i...

Page 14: ...ED HEATING ENGINEERS UNDERTAKE PERIODIC MAINTENANCE AND COMBUSTION EFFICIENCY MEASUREMENTS r s Technical Assistance Service is qualified to satisfy these legal requirements and can also provide useful information on MAINTENANCE PROGRAMMES designed to guarantee greater safety compliance with applicable legislation freedom from the risk of fines in the event of spot checks Date Work done Date Quanti...

Page 15: ...PANELS RTS 115 2S 20036648 930 x 200 x 1200 30 FRONT PANEL RTS 150 2S 20027723 740 x 230 x 140 2 2 CASING PANELS RTS 150 2S 20027717 640 x 250 x 1250 32 FRONT PANEL RTS 200 247 2S 20027724 800 x 160 x 260 2 6 CASING PANELS RTS 200 247 2S 20027718 700 x 270 x 1300 40 FRONT PANEL RTS 319 410 2S 20027726 920 x 160 x 230 2 75 CASING PANELS RTS 319 2S 20027719 740 x 250 x 1450 45 CASING PANELS RTS 410 ...

Page 16: ...00 1850 A Width 660 710 760 760 820 820 890 1000 1000 1047 1047 1147 1147 1237 mm A1 Base width 580 640 690 690 750 750 790 900 900 980 980 1070 1070 1160 mm B Depth 1155 1330 1500 1500 1660 1960 2085 2375 2375 2657 2657 2954 2954 3173 mm B1 Base depth 860 1010 1180 1180 1296 1596 1692 1965 1965 2236 2236 2533 2533 2754 mm C Height 1205 1285 1390 1390 1524 1490 1685 1830 1830 1920 1920 2080 2080 2...

Page 17: ...access all safety and control devices and to permit easy maintenance b bIf the specific weight of the gas supply to the burn er is greater than the specific weight of air install all electrical parts at least 500 mm above floor level a aDo not install the boiler outdoors It is not designed to work outdoors and is not fitted with the neces sary automatic anti frost systems to do so 1 m A B 1 m L 1 ...

Page 18: ...able water treatment system is installed if the quality of the supply recirculation water so demands Refer to the reference values listed in the table alongside REFERENCE VALUES PH 6 8 Electrical conductivity below 200 mS cm 25 C Chlorine ions below 50 ppm Sulphuric acid ions below 50 ppm Total iron below 0 3 ppm Alkalinity M below 50 ppm Total hardness 35 F Sulphur ions none Ammonia ions none Sil...

Page 19: ...9 6 12 3 3 4 5 3 3 2 3 17 8 11 6 7 3 10 15 3 3 3 3 2 17 1 r RTS 2S 0 30 60 90 1 Boiler 2 Central heating manifolds 3 Disconnect valves 4 Pumps 5 Non return valves 6 Automatic vent valve 7 Boiler safety valve 8 Boiler drain cock 9 Storage cylinder safety valve 10 System filling cock 11 CH expansion vessel 12 Remote storage cylinder r 7200 13 Storage cylinder drain cock 14 DHW expansion vessel 15 So...

Page 20: ...meter of the water return pipe upstream from the water fitting to measure effective water return temperature and control the anti condensate pump or the temperature controller stabilisation function b bAny temperature controllers installed remotely from the control panel must be compatible with the sys tem s electrical connections and functioning logic 0 30 60 90 Ø H The flue gas exhaust and its c...

Page 21: ...d can cause burns The boiler door hinges are factory fitted on the right of the door If you need to reverse the direction of opening remove the boiler s side panel and proceed as follows CHANGING THE DIRECTION OF DOOR OPENING BOILER DOOR HINGES The boilers has 3 hinge points so that the direction of opening of the door can be rapidly reversed Once you have checked that the default direction of ope...

Page 22: ...or b bIf it proves difficult to align the bolt 6 with the hole in the door slightly loosen the door fixing bolts 1 and lift the door gently to align the hole with the bolt 6 Only lift the door by means of equipment that is suitable for the weight involved using suitable safety equipment Once the bolt 6 has engaged its hole re tighten the door fixing bolts 1 Insert a spanner through the slot in the...

Page 23: ...e opposite side of the door and fix it in place with the safety bolts 4 b bMake sure that the safety bolts 2 and 4 are securely tightened before attempting to open the door Completely unscrew the main fixing bolts 1 and open the door These bolts are captive in the door and cannot be removed Remove the spare hinge assembly B bolt 9 bushing 10 and washer 11 opposite the hinged side of the door ...

Page 24: ...t with the bolts 2 Remove the plug 1 taking care not to lose the spring from inside the threaded tube Remove the bolt 3 and the nuts 4 and pull the hinges out from their seats Fit the hinges on the opposite side making sure that the pivots above the nuts 6 engage the door correctly If neces sary screw down the nut 6 to raise the pivot Finally tighten the bolt 3 to secure the hinge System B RTS 526...

Page 25: ...adequate size and complies with legislation in the country of installation EARTH CONNECTION 1 2 1 Fit the nut and washer 1 to the earth terminal and tighten the nut Connect the other end of the cable to the system s earth bar b bAnother hole in the left side of the boiler head can also be used to earth the appliance If you wish to use this hole for the earth connection remove the terminal fittings...

Page 26: ... bottom rails then hook their top lips over the top rails 1 running between the front and rear heads Secure the side panels in place with the top cross beams 7 and the screws provided Fit your chosen control panel r 5000 or r TECH on the left panel 4 or right panel 5 as instructed in the control panel s own instruction man ual Route the electrical cables and insert the sensors in their sockets b b...

Page 27: ...f the base then hook their top lips over the top rails 1 running between the front and rear heads Secure the side panels in place with the top cross beams 7 and the screws provided Fit your chosen control panel r 5000 or r TECH on the left panel 4 or right panel 5 as instructed in the control panel s own instruction manual Route the electrical cables and insert the sensors in their sockets b bUse ...

Page 28: ...28 INSTALLER P LOCATION OF SENSORS Clip Sensor Sensor Sensor BOILER SAFETY DEVICE sensor Guide b bInsert the sensors belonging to the safety devices into the copper socket P ...

Page 29: ... The expansion vessel is properly charged The working pressure in the water circuit is over 1 bar but below the maximum limit specified for the boiler The water circuits have been properly bled The mains power connections to the boiler and its accessories burner pump control panel thermo stats etc have been properly made b bThe phase neutral polarity has been respected A ground earth connection is...

Page 30: ...hts The burner should now ignite and remain in operation until the set temperature is reached If any ignition faults or malfunctions occur the burner performs a LOCKOUT SHUTDOWN This is shown by the red button light on the burner and by the warning light on the control panel b bIf a LOCKOUT SHUTDOWN occurs wait about 30 seconds before resetting the burner To reset the burner press the red button l...

Page 31: ... there are no leaks from around the door seal If there is any leakage of combustion gases adjust the door as instructed on page 31 Make sure that all the pumps in the system are free and rotate in the right direction Turn off the main power switch to the boiler and make sure that the boiler shuts down properly Provided all the above conditions are satisfied start the boiler up again then analyse t...

Page 32: ...the main fixing bolts 1 and open the door These bolts are captive in the door and can not be removed b bThe first time you open the door remove the spare hinge assembly B bushing 10 bolt 9 and washer 11 opposite the hinged side of the door ADJUSTING THE DOOR Make quite sure that the door presses uniformly all around the double seal to prevent dangerous fumes escaping into the air from the pressuri...

Page 33: ...e cleaning rods 3 or other tools of suitable size and shape to clean inside the tubes Remove any built up deposits from the flue gas box through the access door opening b bIf you are using fuel oil burners with a smoke scale reading higher than 3 perform the following actions every 300 hours of operation Clean the boiler s heat exchange surfaces Check and clean the turbulators Replace if worn or d...

Page 34: ...alve Boiler dirty Clean the flue gas pipes Boiler and burner mismatched Check specifications and settings Insufficient air fuel flow to burner Check and adjust the burner Control thermostat problem Check the functioning of the thermostat Check the temperature setting The boiler does not reach its temperature setpoint The boiler becomes dirty very quickly Burner badly adjusted Blockage in stack Bur...

Page 35: ...oiler has reached the set temperature but the radiators are still cold Bleed the circuit Pump malfunctioning Check unseize the pump Problem with minimum tempera ture thermostat if present Check the temperature setting Fumes escaping into the air There is a smell of fumes Clean the boiler body Clean the flue gas pipes Check that the boiler flue gas pipes and stack are all properly sealed Check that...

Page 36: ...5 Legnago VR Tel 0442630111 Fax 0442630371 www riello it As part of the company s ongoing commitment to perfecting its range of products the appearance dimensions technical data equipment and accessories may be subject to variation ...

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