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Riello RS 28/M, Installation, Use And Maintenance Instructions

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Riello RS 28/M Installation, Use And Maintenance Instructions Download Page 24

20154169

22 

GB

Installation

4.12 Motor connection at 208-230 or 460V

WARNING

:

the motors, manufactured for 208-230/460 

IE3 NEMA Premium Efficiency

 voltage, have the same connection than 

IE2/Epact

 motors,

but different connection than 

IE1 

motors no more star/delta but star/double star.

Please, pay attention to the indications in case of modification of voltage, maintenance, or substitution.

 

4.13 Motor connection at 575V

WARNING

:

the motors, manufactured for 575V 

IE3 NEMA Premium Efficiency

 voltage, have the same control box base of the 

IE1

 and 

IE2/Epact

motors. 
Please pay attention to the indications in case of maintenance or substitution.

D3686

IE1

IE2/Epact - IE3 NEMA Premium Efficiency

U2

V2

W2

U3

V3

W3

U1

V1

W1

S8379

U2

V2

W2

U3

V3

W3

U1

V1

W1

S8380

~ ~ ~

~ ~ ~

460V

208-230V

~

~

~

~

~

~

460V

208-230V

Fig. 21

S8382

~ ~ ~

575V

Fig. 22

Summary of Contents for RS 28/M

Page 1: ...20154169 2 11 2020 Installation use and maintenance instructions Forced draught gas burners Low High Low or Modulating Operation CODE MODEL 20165993 RS 28 M 20166042 RS 38 M 20166043 RS 50 M GB...

Page 2: ...Original instructions...

Page 3: ...10 3 9 Electrical panel description 11 3 10 RFGO A13 control box 12 3 11 SQN70 Servomotor 13 4 Installation 14 4 1 Notes on safety for the installation 14 4 2 Handling 14 4 3 Preliminary checks 14 4...

Page 4: ...6 2 Maintenance programme 29 6 2 1 Maintenance frequency 29 6 2 2 Safety test with gas ball valve closed 29 6 2 3 Checking and cleaning 29 6 2 4 Flame presence check 30 6 2 5 Safety components 30 6 3...

Page 5: ...ar 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 shock...

Page 6: ...hat pre vent the regular development of the flame as structurally established insufficient and inappropriate surveillance and care of those burner components most subject to wear and tear use of non o...

Page 7: ...intenance Only those parts envisaged by the manufacturer can be replaced 2 2 Personnel training The user is the person body or company that has acquired the ma chine and intends to use it for the spec...

Page 8: ...99 2201 322 645 1099 2201 322 645 kW Low MBtu hr kW 198 58 266 78 321 94 321 94 Fuel Natural or propane gas Max delivery SCFH 1232 1665 2201 2201 Pressure at maximum delivery 2 natural gas WC 2 95 2 6...

Page 9: ...RS 38 M TC FS1 20154129 20166042 120 1 60 Burner mounted RS 38 M TC FS1 20154134 RS 38 M TC FS1 20154131 RS 50 M TC FS1 20154141 Burner mounted RS 50 M TC FS1 20154137 RS 50 M TC FS1 20154146 2016604...

Page 10: ...aximum range that can be reached See Procedure to refer burner operating condition at an altitude and or at a combustion supporter air tempera ture different to the standard values 328 ft above sea le...

Page 11: ...3 indicates the diameter and length of the test combustion chamber Example Output 1388 Mbtu hr diameter 20 inch length 4 9 ft AIR TEMPERATURE Altitude Altitude bar press bar press 0 5 10 15 20 25 30...

Page 12: ...per is fully closed in order to reduce heat loss 12 Plate with four hole knock outs for electrical cable routing 13 Air inlet to fan 14 Gas input connection 15 Gas butterfly valve 16 Boiler mounting f...

Page 13: ...ic manual OFF operation Button for increase decrease output 2 Motor contactor 3 Thermal relay with reset button 4 Bracket for the application of RWF kit 5 Control box base 6 Ignition transformer 7 Rel...

Page 14: ...e For the safety and reliability of the control box comply with the following instructions avoid conditions that can favour the development of conden sate and humidity Otherwise before switching on ag...

Page 15: ...not allowed For safety reasons the servomotor must be checked after long periods of non use NOTE Do not allow condensation ice formation or water inlet Technical data Tab G WARNING To avoid accidents...

Page 16: ...le means of handling Check also that the area in which you are working is empty and that there is an adequate escape area i e a free safe area to which you can quickly move if the burner should fall D...

Page 17: ...the burner Fig 9 remove screw 14 and withdraw the cover 15 Disengage the swivel coupling 4 from the graduated sector 5 Remove the screws 2 from the slide bars 3 Remove screw 1 and pull the burner back...

Page 18: ...between MIN 378 7 and MAX 1288 MBtu hr The MIN output of 378 7 MBtu hr is not found in the values of tTab J and therefore diagram Fig 13 page 17 is valid from which it results that for a MAX output o...

Page 19: ...sleeve so that it is positioned as shown in Fig 14 Refit screws 2 on slide bars 3 Secure the burner to the sleeve by tightening screw 1 and then re fit the split pin into one of two slide bars 3 Recon...

Page 20: ...ately from the burner Key Fig 16 1 Gas input pipe 2 Manual valve 3 Pressure regulator 4 Low gas pressure switch 5 1st safety shut off valve 6 2nd safety shut off valve 7 Standard issue burner with fla...

Page 21: ...2 Fig 12 page 17 B adjusted as indicated in dia gram Fig 13 page 17 Gas pressure at test point 1 Fig 17 2 36 WC Pressure in combustion chamber 0 79 WC 2 36 0 79 1 57 WC An output of 795 MBtu hr shown...

Page 22: ...plifiers which allow using it for applications with UV sensor only FR sensor only or with both sensors UV FR The FR amplifier circuit is subject to constant auto control which allows to use it for app...

Page 23: ...to avoid damage to the motor due to an excessive absorption increase or if a phase is missing For calibration 2 refer to the table indicated in the electrical layout electrical wiring in charge of th...

Page 24: ...n to the indications in case of modification of voltage maintenance or substitution 4 13 Motor connection at 575V WARNING the motors manufactured for 575V IE3 NEMA Premium Efficiency voltage have the...

Page 25: ...and check it is rotating anticlockwise Fig 23 If this is not the case set the burner switch to 0 OFF and wait for the control box to carry out the switch off phase Invert the phases on the three phas...

Page 26: ...cam The air damper closes completely to reduce ther mal dispersion to a minimum Every time output is changed the servomotor automatically modi fies gas delivery gas butterfly valve and air delivery fa...

Page 27: ...he manometer readings are used to calculate MAX burner input using the tables on page 19 5 Start up calibration and operation of the burner WARNING The first start up of the burner must be carried out...

Page 28: ...he gas butterfly valve must be closed 0 Orange cam 15 Adjusts the ignition position and the MIN output 5 3 Burner start up Close the control circuit and set switch 1 Fig 30 to MAN As soon as the burne...

Page 29: ...5 5 3 Minimum output Minimum output must be selected within the firing rate range shown on page 8 Press switch 2 Fig 30 page 26 output reduction until the servo motor has closed the air damper and th...

Page 30: ...a second pipe between the air pressure switch and the suction inlet of the fan In this way the air pressure switch operates as differential pressure switch 5 6 2 Low gas pressure switch Adjust the low...

Page 31: ...tion The actual electrical supply of the solenoid gas valves can be ver ified by inserting a tester Some valves are equipped with light sig nals or close open position indicator that turn on at the sa...

Page 32: ...2 to 6 in dicate the flame signal level respectively See LED indicator and special function on page 32 Check Mode With burner flame on hold the reset button on the flame control pressed for at least...

Page 33: ...ting the pilot gas line 6 4 Closing the burner Remove the split pin 9 Fig 36 and push the burner until it is about 4 from the sleeve re connect the leads and slide in the burner until it comes to a st...

Page 34: ...20 of the signal power To exit the check mode function press the reset button the flame control will go back to the normal operating mode 7 3 Flame control lock out or emergency stop condition The RFG...

Page 35: ...damper Closed damper Modulation Ignition Flame Status Icon Power OFF ON OFF Not ready Diagnostics Green Standby Green Servomotor movement Note 3 OFF Flashing Flashing OFF Green Waiting for closing Gr...

Page 36: ...e material problems severe injuries or death It is the owner or user s responsibility to make sure that the equipment described is installed used and commissioned in compliance with the requirements p...

Page 37: ...FI Red 17 Wiring fault Red 18 Safety relay fault Red 19 Combustion airflow switch fault in the rest position Red 20 UV no flame at the end of the 2nd safety time MTFI Red 21 Safety relay fault Red 22...

Page 38: ...ack fault Red 51 Pilot feedback fault Red 52 Piloted valve feedback fault Red 53 Actuator feedback waiting time expired Red 54 Direct ignition valve feedback fault Red 55 Internal processor fault Red...

Page 39: ...ult Internal fault Replace the control device 15 Internal processor fault Internal fault Replace the control device o 16 No flame 1st safety time PTFI No flame at the end of the first safety time Insp...

Page 40: ...sists contact the distributor factory 51 Pilot feedback fault The system detected the presence of voltage on T17 at the wrong moment or there is no voltage when necessary Check the wiring and make sur...

Page 41: ...169 GB A Appendix Spare parts 12 13 14 1 2 10 11 69 4 3 43 67 63 66 53 55 56 64 44 60 62 42 23 24 25 26 27 28 49 47 46 45 52 22 68 7 9 64 50 20 17 71 72 21 16 18 29 15 37 38 8 39 74 40 40 30 31 32 33...

Page 42: ...0 3003763 INSPECTION WINDOW 11 3003842 BAR 12 3012987 COVER 12 3013873 COVER 13 3003766 SCREW 14 3007627 MEMBRAN 15 3013009 PILOT TUBE 16 20144930 CONTROL BOX B 17 3012989 CONTACTOR C 17 20006633 CONT...

Page 43: ...36 3003867 TUBE 37 3012174 PROBE A 38 3013136 ELECTRODE A 39 3013001 U BOLT 40 3013002 SUPPORT 42 3003863 PLUG 43 3013007 SUPPORT 44 3012085 AIR DAMPER ASSEMBLY 45 3003873 TEST POINT 46 3013196 CONTRO...

Page 44: ...57 3005483 SEAL C 58 3013004 ELBOW 60 3003829 HALF SHELL 62 3003888 SPACER 63 3003883 DOME 64 3006098 PIN JOINT 66 3003881 TIE ROD 67 3012062 CAM 68 3013006 SHAFT 69 3013478 SPRING LEVER A 70 3013874...

Page 45: ...ith the kit inch Code RS 28 M 81 2 1313 16 3010256 RS 38 M 81 2 13 13 16 3010257 RS 50 M 81 2 13 13 16 3010258 Burner RS 28 M RS 38 M RS 50 M Output MBtu hr 358 1232 437 1665 549 1986 Blast tube lengt...

Page 46: ...Low Fire High Fire Main Power Supply O2 Low Fire High Fire Control Power Supply CO Low Fire High Fire Burner Firing Rate NOX Low Fire High Fire Manifold Pressure Net Stack Temp Low Fire High Fire Pil...

Page 47: ......

Page 48: ...URNERS NORTH AMERICA 35 Pond Park Road http www riello ca 2165 Meadowpine Blvd Hingham Massachusetts Mississauga Ontario U S A 02043 1 800 4 RIELLO Canada L5N 6H6 RIELLO S p A I 37045 Legnago VR Tel 3...

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