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Features and technical data

Installation, use and maintenance manual – Next-R

1.2.2

Centrifugal gas unit heaters

1.2.2.1

R30 C

Figure

1.7

Unit dimensions

Flue gas exhaust

Combustion air inlet

Power supply cables input

Gas connection 3/4" M

Thermoformed door

Limit thermostat

(*) Holes for

xing to the support bracket

734

777

774

601

431

580

157

469

260

595

482

528

690

340

389

298
510

1031

601

176

389

212

462

243

405 (*)

370 (*)

1.2.2.2

R40 C

Figure

1.8

Unit dimensions

Flue gas exhaust

Combustion air inlet

Power supply cables input

Gas connection 3/4" M

Thermoformed door

Limit thermostat

(*) Holes for

xing to the support bracket

734

777

774

601

472

157

580

469

260

595

528

482

1072

601

460

134

446

197

690

340

446

333

550

278

405 (*)

370 (*)

Содержание Next-R

Страница 1: ...Installation use and maintenance manual Next R Powered by natural gas LPG Gas unit heaters for use in industrial and commercial installations...

Страница 2: ...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 Installation use and...

Страница 3: ...3 Appliance positioning p 20 2 4 Minimum clearance distances p 21 2 5 Support bracket p 22 3 Heating engineer p 22 3 1 Warnings p 22 3 2 Fuel gas supply p 23 3 3 Combustion products exhaust p 23 3 4 A...

Страница 4: ...ugh the OTRG005 termoregulators to cen tralize the management of up to 100 Next R gas unit heaters First start up appliance commissioning operation which may only and exclusively be carried out by a T...

Страница 5: ...em correctly connected to the appliance and installed ac cording to the regulations in force Air flow Do not obstruct the fan intake or the hot air outlet Distance from combustible or flammable materi...

Страница 6: ...g the following shall be complied with Gas systems and equipment Electrical systems and equipment Heating systems Environmental protection and combustion products ex haust Fire safety and prevention A...

Страница 7: ...the ena bling signal depending on the model from the fan thermostat or by the electronic board timer i e with hot heat exchangers in order to avoid the introduction of cold air into the room and it w...

Страница 8: ...haust blind cover alternative to the rear one 1 Holes for fixing to the support bracket 557 419 480 225 678 485 445 138 320 233 252 80 80 397 403 247 1 2 3 4 6 5 7 400 176 1 2 1 2 R30 Figure 1 2 Unit...

Страница 9: ...Limit thermostat Holes for fixing to the support bracket 731 777 435 593 734 515 475 210 475 257 257 80 80 1 2 3 4 400 340 690 370 405 6 5 1 2 1 4 R50 Figure 1 4 Unit dimensions 1 Flue gas exhaust 2...

Страница 10: ...xing to the support bracket 731 593 435 777 1119 900 860 210 475 80 80 340 690 383 3 4 1 2 432 234 234 810 405 6 5 1 2 1 6 R80 Figure 1 6 Unit dimensions 1 Flue gas exhaust 2 Combustion air inlet 3 Po...

Страница 11: ...g to the support bracket 734 777 774 601 431 40 580 157 469 260 260 595 482 528 40 5 80 80 1 2 3 4 6 690 340 389 298 510 1031 601 176 389 212 462 243 405 370 1 2 2 2 R40 C Figure 1 8 Unit dimensions 1...

Страница 12: ...e gas exhaust 2 Combustion air inlet 3 Power supply cables input 4 Gas connection 3 4 F 5 Thermoformed door 6 Limit thermostat Holes for fixing to the support bracket 1319 40 1180 1113 1067 777 580 15...

Страница 13: ...tance B Lower brackets centre distance 785 A B 1 1 Table 1 1 Centre distance of the vertical suspension brackets Model A B R30 V 494 370 R40 V 494 370 R50 V 688 620 1 3 COMPONENTS 1 3 1 R15 R20 Figure...

Страница 14: ...Internal components 1 Electrical panel 2 Controller for ignition adjustment and flame control 3 Terminal block 4 Gas valve 5 Limit thermostat 6 Ignition transformer 7 Combustion blower 8 Flame sensor...

Страница 15: ...Gas valve RP7 Ignition electrodes RP8 Flame sensor S Blower TR Ignition transformer V1 Fan Z9 External request not supplied 27 Power level control contact 28 Winter mode activation contact Ground T2 T...

Страница 16: ...ensor S Blower TR Ignition transformer V1 V2 Fan Z9 External request not supplied 27 Power level control contact 28 Winter mode activation contact 1 230V 50Hz S2 S1 2 3 5 6 7 N L M2 NP 8 9 11 12 14 13...

Страница 17: ...s are Lock out light Reset of the flame lock out For additional details and diagrams see Paragraph 4 4 1 p 30 1 6 3 OCTR000 2 key basic control Figure 1 17 OCTR000 2 key basic control OCTR000 2 key ba...

Страница 18: ...lay and parameters setting Space heating and summer ventilation setpoint setting Automatic management of power modulation Summer ventilation mode activation For additional details and diagrams see OSW...

Страница 19: ...Flue gas exhaust diameter mm 80 residual head Pa 70 90 80 100 130 type of installation B23 C13 C33 C53 C63 Combustion air intake connec tion diameter mm 80 recommended height m 2 2 2 5 3 0 3 5 sound...

Страница 20: ...be load bearing or in any case suitable for sup porting its weight Installation must not be made on walls with poor strength that do not guarantee adequate resistance to the stresses produced by the u...

Страница 21: ...l gas unit heaters The position of gas unit heaters with centrifugal fan must con sider the position of the hot air duct This must be suitably sized and verified in relation to the air flow rate and t...

Страница 22: ...support bracket R60 model O19800028 revolving wall support bracket R80 model OKMN000 revolving wall support bracket R50 model OSTF009 support bracket 1 4 m length OSTF005 tubular support bracket mode...

Страница 23: ...pliance and be hazardous Table 3 1 Gas network pressure Gas supply pressure mbar Product category Countries of destination G20 G25 G25 1 G25 3 G2 350 G27 G30 G31 II2H3B P AL BG CH CY CZ DK EE FI GR HR...

Страница 24: ...air and or flue gas exhaust ducts follow linear paths as shown in the respective Figures Other wise you must proceed with the calculation of the pres sure drop Paragraph 3 3 4 p 26 If ducts other than...

Страница 25: ...type installation with wall coaxial terminal Figure 3 4 C13 type installation with wall coaxial terminal and 80 ducts A View from above A Table 3 5 C13 type maximum allowed length with 80 125 wall co...

Страница 26: ...are shown in Table 3 14 p 27 Resistance from the separate terminals are negligible since they are very low When designing it must be checked that the total pressure drop of the piping system is lower...

Страница 27: ...ow 90 Pa 0 4 0 6 1 1 2 0 3 2 6 1 9 0 Tee Pa 0 7 1 1 1 9 3 2 4 9 9 0 12 9 Air intake pressure drop 100 mm Pipe 1 m Pa 0 1 0 2 0 3 0 5 0 8 1 4 2 0 Elbow 90 Pa 0 2 0 3 0 5 0 9 1 4 2 7 4 0 Tee Pa 0 3 0 5...

Страница 28: ...s Increase pipe diameter e g by using 110 In this case the total pressure drop would be 7 m x 1 9 Pa m 13 3 Pa 1 x 4 3 Pa 4 3 Pa 6 m x 0 9 Pa m 5 4 Pa Total pressure drop 23 0 Pa which is therefore co...

Страница 29: ...the appliance on and off exclusively use the suit ably provided control device 4 2 ELECTRICAL SYSTEMS Electrical connections provide A Power supply Paragraph 4 3 p 29 B Control system Paragraph 4 4 p...

Страница 30: ...29 2 Use FRORR 6x1 mm cable available as OCVO015 optional with 5 m length 3 Connect the wires to the terminal block as shown in Figure 4 3 p 30 4 For additional information refer to the instruction s...

Страница 31: ...RG005 thermoregulator is connected as described in Paragraph 4 4 3 p 30 To connect OCDS008 chronothermostat to OTRG005 thermoregulator use a two pole cable e g H03RR F or H03VV F with a section betwee...

Страница 32: ...nit heater pow er levels Through the use of a 2 step thermostat or chrono thermostat it is possible to unify the gas unit heater start stop management with the two power levels management For details...

Страница 33: ...only it is possible to use a thermostat suitably positioned to allow the operation of the appliance s fan only with the burner off for thermal destratification This way if the temperature measured by...

Страница 34: ...graph 5 1 p 34 5 1 PRELIMINARY CHECKS Paragraph dedicated to the installer 5 1 1 Preliminary checks for first start up Upon completing installation before contacting the TAC the in staller must check...

Страница 35: ...ol device 10 After about 2 minutes from the burner ignition the combus tion control at minimum power can be carried out 11 Ensure the CO2 value is between values indicated in column Minimal heat input...

Страница 36: ...3 10 9 0 9 5 G2 350 full open 3 10 8 6 9 1 G30 7 3 10 9 9 10 3 G31 full open 3 10 10 0 10 5 LPG 9 3 10 9 9 10 5 A tolerance of 0 3 is applied to all values of CO2 percentage in fumes Table 5 2 R20 gas...

Страница 37: ...3 10 9 5 10 0 LPG 14 3 10 9 7 10 3 A tolerance of 0 3 is applied to all values of CO2 percentage in fumes 5 2 2 R60 R80 Figure 5 2 p 38 1 If the appliance is running switch it off with the applicable...

Страница 38: ...pressure intake C Offset adjustment screw A C B Table 5 6 R60 gas valve setting table Gas Gas network pressure Offset pressure CO2 percentage in fumes nominal Minimal heat input Nominal heat input Ty...

Страница 39: ...p 39 1 Cut off electric power and gas supply 2 Unscrew the hexagonal seal that connects the gas pipe A to the nozzle holder fitting Take care not to lose or damage the internal gasket B nor the o ring...

Страница 40: ...ker for the new gas type 8 Adjust the appliance for the new gas type adjusting the burner pressure as described in Paragraph 5 2 2 p 37 Figure 5 5 Gas changeover for gas unit heater A Gas supply pipe...

Страница 41: ...ector switch Paragraph 4 4 6 2 p 32 select summer mode contact 1 3 open con tact 1 2 closed This way the fan only will start 3 To stop the fan press again the selector switch on winter po sition conta...

Страница 42: ...pen It is recommended that the heating request is deacti vated during the summer season by opening contact Z9 by means of the provided control device thermostat chronothermostat or voltage free contac...

Страница 43: ...p 43 Set back in place the protective cap after resetting the thermostat Resetting of the temperature limit thermostat should be carried out by qualified service personnel after re moving the cause o...

Страница 44: ...the fan starts wait a few minutes If it does not start check the correct operation of the fan thermostat except for R15 and R20 models and if nec essary replace it For R15 and R20 models check the ign...

Страница 45: ...s no R15 no no no Not required for electric warm air heaters From 26 September 2018 Capacity Useful e ciency Electric power consump on Other items Figure 8 2 Item Symbol Value Unit Item Symbol Value U...

Страница 46: ...tric warm air heaters From 26 September 2018 Capacity Useful e ciency Electric power consump on Other items Figure 8 4 Item Symbol Value Unit Item Symbol Value Unit Rated hea ng capacity Prated h 38 3...

Страница 47: ...on to iden fy the model s to which the informa on relates B1 warm air heater yes no C2 warm air heater yes no C4 warm air heater yes no R50 no no no Figure 8 6 Item Symbol Value Unit Item Symbol Valu...

Страница 48: ...r electric warm air heaters Capacity Useful e ciency Electric power consump on Other items Contact details Figure 8 8 Item Symbol Value Unit Item Symbol Value Unit Rated hea ng capacity Prated h 28 0...

Страница 49: ...no no no Not required for electric warm air heaters Capacity Useful e ciency Electric power consump on Other items Contact details Figure 8 10 Item Symbol Value Unit Item Symbol Value Unit Rated hea n...

Страница 50: ...standby mode elsb 0 000 kW Emissions of nitrogen oxides NOx 41 mg kWh input energy GCV Emission e ciency Ks ow 91 1 Seasonal space hea ng energy e ciency Ks h 72 1 Contact details Robur SPA Via Parigi...

Страница 51: ......

Страница 52: ...n of safe environmentally friendly energy efficiency products through the commitment and caring of its employees and partners Robur S p A advanced technologies for climate conditioning via Parigi 4 6...

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