Weil-McLain UO-3 CV Instruction Manual

Oil Fired Water BoilerBeckett Model NX BurnersPotential for Fire, Smoke and Asphyxiation HazardsTo the Homeowner or Equipment Owner:Please read and ca

10Fuel supply below the level of the burnerWhen the fuel supply is more than eight feet below the level of the burner, a two-pipe fuel supply system i

11Weil-McLain Ultra Oil NX Burner ManualFigure 7a. – GeniSys 7505 Control interrupted ignition, valve-on delay only (no motor-off delay)Figure 7b. – G

12Sequence of Operation - GeniSys 7505Refer to the appliance manufacturer’s wiring diagram for actual specifi cations.Standby: The burner is idle, wait

13Weil-McLain Ultra Oil NX Burner ManualTable 5 - Status LightsLight Color On Continuously FlashingRed Restricted (Hard) Lockout Soft LockoutGreenFlam

14fi ring, the control shuts down the burner, enters a 60 second recycle delay, and then repeats the above ignition sequence. If fl ame is lost three ti

15Weil-McLain Ultra Oil NX Burner ManualStart the Burner and Set CombustionStart-up and Initial Settings Open the shutoff valves in the oil supply lin

16Allow the burner to run for approximately 5 to 10 minutes.1.Step 2: At the trace of smoke level, measure the CO2 (or O2) . This is the vital referen

17Weil-McLain Ultra Oil NX Burner ManualCover InstallationInstall the four cover mounting thumb screws in the cover mounting plate. Install the cover

18Check the pump pressure and cutoff function.Check primary control safety lockout timing.Check ignition system for proper operation.Inspect and clear

19Weil-McLain Ultra Oil NX Burner ManualPerform the following steps when replacing a nozzle.Remove the nozzle line assembly to gain access to the nozz

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20Check Retention Head Alignment and Cad Cell Sighting(Refer to Figure 13.) The cad cell sighting holes in the throttle cup and the retention head mus

21Weil-McLain Ultra Oil NX Burner ManualFigure 13. – Retention Head/Throttle Cup AlignmentFigure 14. – Blower wheel assemblySK9670Section: Trained Ser

22422199171623101246721511a11c11b2521262011d85Section: Replacement PartsFor best performance specify genuine Beckett replacement partsReplacement Par

23Weil-McLain Ultra Oil NX Burner ManualItem Description Part No.1 Head/Air adjustment mechanism assembly52000U2 Air guide 101101U3 Gasket, mounting fl

Form Number 6104 WMNX R10, Printed in the U.S.A. 05/10Weil-McLain Part No. 550-141-996/510© 2010 R.W. Beckett CorporationThe R. W. BECKETT CORPORATION

3Weil-McLain Ultra Oil NX Burner ManualTo the Owner:Thank you for purchasing a Beckett burner for use with your heating appliance. Please pay attenti

4General InformationSection: General InformationHazard Defi nitions Within the boundaries of the hazard warning, there will be information presented de

5Weil-McLain Ultra Oil NX Burner ManualFigure 1. Burner label locationNX Burner Specifi cations for Weil-McLain Ultra Oil BoilersThe table below provid

6Certifi cations/approvalsUnderwriters Laboratories has certifi ed this burner to comply with ANSI/UL 296 and CSA-B139. Low sulfur #1 and #2 fuel oils r

7Weil-McLain Ultra Oil NX Burner ManualAny accumulation of soot or debris in chimney offsets should be removedAny obstructions such as a protruding jo

8Exhaust fans and other air-using devices: Size air openings large enough to supply all air-using devices in addition to the minimum size required for

9Weil-McLain Ultra Oil NX Burner ManualThe end of the air tube should normally be ¼” back from the inside wall of the combustion chamber. Never allow