Nu-Way NDFL100-38 User manual

Page 1
NDFL100-38 / BR003211 / Rev. 220900A
HANDBOOK
Model NDFL100-38 fully automatic dual
fuel burner (MPA22 / WF40).
Worcester Hospital Contract B 003211
Natural Gas / Class D Oil
Библиотека СОК 

NDFL100-38 / BR003211 / Rev. 220900A
Page 2
Contents
IMPORTANT - SAFETY ..................................................................................................... 4
EMERGENCY INSTRUCTIONS ............................................................................................. 4
EUROPEAN BOILER EFFICIENCY DIRECTIVE (B.E.D.) ............................................................ 4
IMPORTANT NOTICE ....................................................................................................... 4
BURNER & COMPONENT IDENTIFICATION .......................................................................... 5
COMBUSTION HEAD DETAILS .......................................................................................... 6
SETTING THE IGNITION ELECTRODES ................................................................................. 6
CONTROL PANEL & ELECTRICAL DATA ............................................................................. 7
BURNER WIRING DIAGRAM ............................................................................................ 8
FEATURES ................................................................................................................... 15
Air Regulation ................................................................................................................................. 15
Controls & Operation...................................................................................................................... 15
Fuel ................................................................................................................................................. 15
GENERAL.................................................................................................................... 1 5
SERVICES & SITE CONDITIONS ....................................................................................... 1 5
Gas Supply ...................................................................................................................................... 15
Fuel Oil Storage and Handling ........................................................................................................ 15
Fuel Oil Supply................................................................................................................................ 15
Gravity feed system ......................................................................................................................... 15
Suction lift System ........................................................................................................................... 15
Flue and C imney Requirements .................................................................................................... 15
Plant Room Ventilation ................................................................................................................... 16
Existing Appliances .......................................................................................................................... 16
Combustion C amber Conditions ...................................................................................................16
ASSEMBLY................................................................................................................... 1 6
INSTALLATION ............................................................................................................. 1 6
General........................................................................................................................................... 16
Fitting to t e Appliance ................................................................................................................... 16
Electrical Power Supply ................................................................................................................... 16
BURNER AIR CONTROLS ............................................................................................... 1 6
Air Diffuser ..................................................................................................................................... 16
Air Pressure Switc .......................................................................................................................... 16
BURNER GAS CONTROLS ............................................................................................. 1 6
Gas Nozzle ..................................................................................................................................... 16
Gas Pressure Switc ........................................................................................................................ 16
INTEGRATED VALVE PROVING SYSTEM ............................................................................. 16
Functional sequence ....................................................................................................................... 17
BURNER OIL CONTROLS .............................................................................................. 1 7
Oil Nozzle....................................................................................................................................... 17
Oil Control Train ............................................................................................................................. 17
MPA 22 CONTROL UNITS .......................................................................................... 17
Entering t e pass code. .................................................................................................................... 17

Page 3
NDFL100-38 / BR003211 / Rev. 220900A
NDFL - GAS ............................................................................................................. 1 7
OPERATION ................................................................................................................ 17
COMMISSIONING THE BURNER....................................................................................... 18
MULTI-FUNCTIONAL DISPLAY ........................................................................................ 18
C eck for Valve Closure .................................................................................................................. 18
Gas Supply Pressures....................................................................................................................... 18
ESTABLISHING MAIN FLAME .......................................................................................... 1
General Notes................................................................................................................................. 19
Commissioning Procedure .............................................................................................................. 19
Firing t e burner ............................................................................................................................. 19
FINAL ADJUSTMENTS .................................................................................................... 20
Setting t e Air Pressure Switc ........................................................................................................ 20
C ecking t e Flame Signal .............................................................................................................. 20
Setting t e Low Gas Pressure Switc ............................................................................................... 21
FINAL CHECK .............................................................................................................. 2 1
Commissioning is now complete ..................................................................................................... 21
THE LANDIS & STAEFA MODULATION CONTROLLER, TYPE RWF 40 .................................. 21
Basic display.................................................................................................................................... 21
To c ange t e working set point. ..................................................................................................... 21
To enter a new parameter ............................................................................................................... 22
NDFL - OIL .............................................................................................................. 2 2
OPERATION ................................................................................................................ 22
T ree-Nozzle System ...................................................................................................................... 22
COMMISSIONING THE BURNER....................................................................................... 22
ESTABLISHING MAIN FLAME .......................................................................................... 2 3
Commissioning Procedure .............................................................................................................. 23
Initial Settings - Air Damper ............................................................................................................ 23
Firing t e burner. ............................................................................................................................. 24
SAFETY CHECKS ........................................................................................................... 24
FINAL CHECK .............................................................................................................. 2 4
MPA DISPLAYS ........................................................................................................... 25
Standby Display .............................................................................................................................. 25
Operating Display ........................................................................................................................... 25
Information Display ........................................................................................................................ 25
Service Display................................................................................................................................ 26
ROUTINE SAFETY CHECKS ............................................................................................. 26
Flame Detection System (UV Cell) ................................................................................................... 26
Flame Detection System (P otocell) ................................................................................................ 26
ROUTINE MAINTENANCE ............................................................................................... 27
Combustion Air Fan ........................................................................................................................ 27
Inner Assembly ................................................................................................................................ 27
Air Diffuser and Gas Nozzle ............................................................................................................ 27
Ignition Electrodes ........................................................................................................................... 27

NDFL100-38 / BR003211 / Rev. 220900A
Page 4
IMPORTANT - SAFETY
It is essential t at qualified engineers w o are experienced in forced draug t gas and pressure jet oil
burner commissioning carry out t e following instructions and adjustments. In t e UK it is a legal
requirement t at anyone working on gas installation, as defined in t e Gas Safety (Installation & Use)
Regulations 1994 is CORGI registered. T e manufacturer cannot be eld responsible for any conse-
quential damage, loss or personal injury as a result of failure to follow t ese instructions, or as a result
of misuse.
EMERGENCY INSTRUCTIONS
T is product as been designed and constructed to meet all of t e essential requirements of t e GAS
APPLIANCE DIRECTIVE 90/396/EEC and ot er applicable European Directives. Under normal circum-
stances t is product s ould not give occasion to any azardous conditions. If suc a condition s ould
occur during commissioning or subsequent use of t is product, be it a fault of t e burner, t e appliance
or of any instrument, mac ine or service in t e proximity of t e burner, t en t e FUEL and ELECTRIC-
ITY supply to t e burner s ould be IMMEDIATELY ISOLATED until suc time t at t e fault as been
investigated and rectified.
EUROPEAN BOILER EFFICIENCY DIRECTIVE (B.E.D.)
All burners and boiler bodies marketed seperately wit in t e European Union must comply wit EN676
- Gas Burners, EN267 - Oil burners and EN303 - Heating Boilers. Burner adjustments must be made in
accordance wit boiler manufactures instructions, and t ese must include flue gas temperatures, average
water temperature, and CO2or O2 concentration.
IMPORTANT NOTICE
To protect t e microprocessor fitted in t e MPA control units, any action suc as t e fitting or removal
of plugs, valves or any ot er wiring s ould be carried out wit t e MPA isolated. Failure to comply wit
t is notice may result in damage.
Oil Nozzles ..................................................................................................................................... 27
Filters .............................................................................................................................................. 27
Fan Motor ....................................................................................................................................... 27
Replacement of Control Valve SKP20..............................................................................................27
FAULT FINDING ........................................................................................................... 2 7
MPA Error Codes............................................................................................................................. 27
Incorrect Rotation of Burner Motor................................................................................................. 28
Burner Motor Fails to Start .............................................................................................................. 28
Motor starts but burner will not lig t ............................................................................................... 28
Burner Fails to Establis Main Flame - Gas firing only...................................................................... 28
Unstable pump pressure - Oil firing only ......................................................................................... 28
Burner fires t en locks out - Oil firing only ...................................................................................... 28
Burner fails c ange to ig flame - Oil firing only............................................................................ 28
Flame failure in c anging to ig flame - Oil firing Only ................................................................. 29
Burner fails c ange to low flame - Oil firing only............................................................................. 29
Burner locks out wit out attempting to lig t ................................................................................... 29
SPARE PARTS .............................................................................................................. 2
BURNER SERVICE RECORD ............................................................................................ 3 2
NOTES ....................................................................................................................... 34

Page 5
NDFL100-38 / BR003211 / Rev. 220900A
BURNER & COMPONENT IDENTIFICATION
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NDFL100-38 / BR003211 / Rev. 220900A
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COMBUSTION HEAD DETAILS
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Page 7
NDFL100-38 / BR003211 / Rev. 220900A
CONTROL PANEL & ELECTRICAL DATA
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NDFL100-38 / BR003211 / Rev. 220900A
Page 8
BURNER WIRING DIAGRAM
OF
PAGE
ISSUE
DRAWINGNo.
REVISIONSCONDITIONSOFUSE
REFDATEACTIONREADFROMLEFTTORIGHT
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DATE
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NU-WAYLIMITED,
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VINESLANE,
DROITWICH,
WORCESTERSHIRE,
WR98NA,
ENGLAND.TELEPHONE:[phone]&794242
FACSIMILIE:(01905)794017017
CONTROLCIRCUIT
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Page 9
NDFL100-38 / BR003211 / Rev. 220900A
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NDFL100-38 / BR003211 / Rev. 220900A
Page 10
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