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Models NOL/NOR Modulating Revision 101199B

Page 18

M

M

M

M

M

ODUL

ODUL

ODUL

ODUL

ODULAAAAATING

TING

TING

TING

TING

U

U

U

U

U

NIT

NIT

NIT

NIT

NIT

Oil Cam Hub

Servomotor

Camstack

Motor Unit

Oil Spill Back

Regulating Vlave

Oil Cam Adjusting

Screw

Lever

Throw

Cam Follower

Cam Disk

Adjustable

Plunger

Locking

Screws

Profile Band

Cam Lever

Operating

Cable

Adjuster Locking

Screws

Profile Adjuster

Retaining

Saddle

Cable Adjuster

Oil Cam -

A

Air Cam -

B

Oil Cam View On -

A

Air Cam View On -

B

View of Servomotor from underside

(cover removed) showing position of

disengagement lever

Rotation for High

Flame position

(Cams shown in the Low

Flame Position)

Fig. 1.

Fig. 2.

Spill Pressure

Reduce

Increase

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Summary of Contents for NOL Modulating

Page 1: ...Page 1 Models NOL NOR Modulating Revision 101199B H H H H HANDBOOK ANDBOOK ANDBOOK ANDBOOK ANDBOOK Series NO fully automatic oil burners Models NOL NOR Modulating Distillate Residual Fuel Oils...

Page 2: ...Oil Supply to the Burner 9 Single Pipe System 9 Pumped Ring Main System 9 Burner Pump Capacities 9 Filtration 9 Electrical Power Supply 9 U U U U UNP NP NP NP NPACKING ACKING ACKING ACKING ACKING AND...

Page 3: ...DUL ODUL ODUL ODULA A A A ATING TING TING TING TING B B B B BURNERS URNERS URNERS URNERS URNERS 19 19 19 19 19 General 19 Daily Checks 20 Cleaning the Oil Nozzle 20 Photoelectric Cell 20 Cold Oil Filt...

Page 4: ...IFICA A A A ATION TION TION TION TION F F F F FOR OR OR OR OR NO35 34 T NO35 34 T NO35 34 T NO35 34 T NO35 34 TO O O O O NO100 NO100 NO100 NO100 NO100 38 M 38 M 38 M 38 M 38 MODUL ODUL ODUL ODUL ODULA...

Page 5: ...r u B A B C D E F G H 4 3 8 1 O N 7 6 9 0 3 7 0 2 4 7 5 4 0 3 4 2 8 1 7 8 3 6 1 2 8 3 8 1 O N 4 1 0 1 5 5 7 7 5 4 0 8 4 0 3 4 2 8 1 0 8 4 6 1 2 4 3 5 3 O N 7 6 9 0 3 7 0 2 4 7 5 4 0 3 4 3 2 2 7 8 3 4...

Page 6: ...TION TION TION TION F F F F FOR OR OR OR OR NO100 41 T NO100 41 T NO100 41 T NO100 41 T NO100 41 TO O O O O NO150 44 M NO150 44 M NO150 44 M NO150 44 M NO150 44 MODUL ODUL ODUL ODUL ODULA A A A ATING...

Page 7: ...r e v o C n o i t c e p s n I n a F 3 1 r e m r o f s n a r T n o i t i n g I m e t I n o i t p i r c s e D 4 1 e l t t o B r o t a r e p e S r i A 5 1 t i n U r e t a e h e r P l i O 6 1 t i n U g n...

Page 8: ...optimum operating effeciency Operating Mode In standard form the NO Fully Modulating burner can provide a turndown range of up to 3 1 Fuels NO burners covered in this manual are designed to fire disti...

Page 9: ...etails are shown in the typical ring main diagram on page 10 Burner Pump Capacities The oil pumps used on Nu Way modulating oil burners are listed in the table on page 23 It is es sential that the ful...

Page 10: ...YPICAL AL AL AL AL R R R R RINGMAIN INGMAIN INGMAIN INGMAIN INGMAIN O O O O OIL IL IL IL IL S S S S SYSTEM YSTEM YSTEM YSTEM YSTEM Oil Storage Tank Tank Heater Outflow Heater Pressure Regulator Retur...

Page 11: ...of Class F and G fuels must also be traced Distillate oil burners require a pump inlet pressure of 0 35 to 0 70 kg cm2 5 to 10 psi For Residual fuel the oil inlet temperature must be maintained as rec...

Page 12: ...D AND AND AND AND O O O O OPERA PERA PERA PERA PERATION TION TION TION TION All personnel concerned with commissioning and or operation of NO modulating burners shall fa miliarise themselves with the...

Page 13: ...Stats Low Oil Temp Stat Circulation Stat Oil Pump Motor Oil Preheater Elements Oil Pump Car tridge Heater If Fitted 1 For temperature control use Landis Staefa detector type QAE 22 and for pressure co...

Page 14: ...the nozzle according to the position of an internal pis ton which is actuated by the oil control cam in the modulating unit There is a well defined relationship between the delivery of fuel through th...

Page 15: ...or 4 x M10 Foundation Bolts Air Bleed Valve Cold Oil Filter Return Oil Thermostat Preheater Tank Thermometer Pump Motor Coupling Pump Motor Hot Oil Filter Heater Element Cover Electrical Connection Bo...

Page 16: ...isolation points Check that fittings for bleed and pressure test ing are fitted Establish that the appliance is in an appro priate and safe condition to be fired for ex ample that there is water in th...

Page 17: ...he Hand selection can be made immediately the burner has started to fire Should the burner be left in the Hand position it will NOT modulate until the Auto position is se lected Commissioning the Burn...

Page 18: ...crew Lever Throw Cam Follower Cam Disk Adjustable Plunger Locking Screws Profile Band Cam Lever Operating Cable Adjuster Locking Screws Profile Adjuster Retaining Saddle Cable Adjuster Oil Cam A Air C...

Page 19: ...al one division anticlockwise and reset the burner lockout The burner will now continue through its cycle until flame is es tablished or the burner goes to its lockout position If the burner goes to l...

Page 20: ...tion and plant efficiency will drop Photoelectric Cell Remove the photoelectric cell and clean with a soft lint free cloth if necessary Be carefull not to touch the glass buld of the cell as this can...

Page 21: ...Fuel Pumps The pump dataplate gives direction of rotation and connection port details P nozzle line connection S suction line connection R return line connection The pump is also fitted with two meas...

Page 22: ...Should the Oil Pump per formance become suspect then a replacement unit should be obtained and the Oil Pump returned to deter mine its serviceability Upon replacement refer to the pump bleeding instru...

Page 23: ...r to re setting the burner Refer to theSequence Diagram and Timing Chart below PLEASE NOTE When the control box goes to lock out it is generally performing the function it is de signed for Burner Cont...

Page 24: ...rol box terminal 8 by the servo motor limit switch Terminals 6 7 and 15 remain under voltage until the fault is corrected Lockout due to a fault in the flame supervi sion circuit Shut down of start up...

Page 25: ...produces greater control stability but slows down the system response to load or setpoint changes A decrease in the parameter Xp improves the systems response to load changes but the control stabilit...

Page 26: ...characteristics of the burner and may im pair the performance and efficiency of the plant The nozzle identification code is stamped onto the face of the hexagonal nut section of the nozzle body as sho...

Page 27: ...1 0 1 5 2 0 2 5 3 0 3 5 3 87 BURNER OUTPUT BTU HR x 10 0 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 50 100 150 200 0 TOTAL RESISTANCE MM WG 12 CO 2 1 2 3 4 5 6 7 TOTAL RESISTANCE INCHES WG 12 CO 2 NO 10...

Page 28: ...is recommended that a burner with a higher fan static pressure is selected ie if the graph se lects a burner with a 28 cm fan then use the 34 cm fan model for correct combustion All outputs quoted are...

Page 29: ...7 1 0 4 0 4 5 7 5 1 4 3 0 6 O N 0 4 5 5 5 7 0 0 1 0 6 5 7 9 5 2 0 3 7 3 0 5 0 0 2 6 2 9 1 0 4 0 5 5 7 5 1 8 3 0 6 O N 0 4 5 5 5 7 0 0 1 0 6 5 7 9 5 2 0 3 7 3 0 5 0 0 2 6 2 9 1 0 4 0 5 5 7 5 1 8 3 5 8...

Page 30: ..._____ Serial No _____________ Burner Type ____________________ Rating ________________ Spec No _____________ Serial No ________________ Nozzles _______________ Oil Pump _____________ Commissioning dat...

Page 31: ...L NOR Modulating Revision 101199B B B B B BURNER URNER URNER URNER URNER M M M M MODIFIC ODIFIC ODIFIC ODIFIC ODIFICA A A A ATION TION TION TION TION R R R R RECORD ECORD ECORD ECORD ECORD Date Detail...

Page 32: ...vision 101199B Page 32 P O Box 1 Vines Lane Droitwich Worcestershire WR9 8NA England Telephone 01905 794242 Direct Dial 01905 794331 Facsimile 01905 794017 Spares 01905 795829 email info nu way co uk...

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