Beckett CG15 Manual de instrucciones

COMMERCIAL PRODUCTSGAS-FIREDFire, Explosion and Asphyxiation HazardsFailure to follow these instructions exactly could lead to fi re or explosion and r

10Mount the burner to the appliance. The burner specifi ed for packaged equipment will have a fl ange welded for the required insertion. Follow the appl

11CG15, CG25, CG50 Burner ManualFigure 7 - Typical Gas Piping LayoutGas TrainsPressure Drop curves of Figures 14A, 14B, and 14C are correct for both p

12Schedule 40 metallic pipe with 0.50 psi or less inlet pressure and 0.30” W.C. pressure dropMaximum capacity in cubic feet of gas per hour (CFH). Nat

13CG15, CG25, CG50 Burner ManualFigure 8A - UL Gas Train - High/Low and Low Fire StartFigure 8B - UL Gas Train - ModulatingABBREV.HGPSLGPSMSCMLTCMVSSO

14Wire the BurnerInstall the burner and all wiring in accordance with the National Electric Code ANSI/NFPA 70 (Canada CSA C22.1) and all applicable co

15CG15, CG25, CG50 Burner ManualFigure 9A - Typical Wiring Using Model RM7897C for High/Low Control (For Reference Only) in the RUN mode until the loa

16Figure 9B - Typical Wiring Using Model RM7840L for Modulating Control (For Reference Only) Section: Sequence of Operation

17CG15, CG25, CG50 Burner ManualPrepare the Burner for Start-upStart-up Checklist Verify the following before attempting to start the burner.1. Gener

18Start the Burner Initial Air SettingsIf your burner was built for a specifi c OEM (Original Equipment Manufacturer) application, the “Mfr’s Settings”

19CG15, CG25, CG50 Burner ManualFigure 10A - Damper Motor with CoverFigure 10B - Damper Motor with Cover RemovedPush in on pin (G) to disengage the mo

2

20Optional Modulation Linkage Adjustment InstructionsThe optional modulation linkage assembly has been designed as an economic means to adjust the dam

21CG15, CG25, CG50 Burner ManualTable 3 - Initial Burner Settings for Both Propane & Natural GasFurnace Pressure at High Fire0” W.C. 0.25” W.C. 0.

22Figure 13A - Display MeaningModulation ControlModulation of the burner’s fi ring rate is accomplished by driving the damper motor in small increments

23CG15, CG25, CG50 Burner ManualVerify Input Firing RateClock the meter, correct for pressure and termperature to get SCFH and calculate the input fi r

24Estimating RateManifold to Furnace Pressure information can be used to estimate the burner’s fi ring rate when it is not possible to clock a meter fo

25CG15, CG25, CG50 Burner ManualFigure 14A - Manifold to Furnace Pressure Drop vs Rate CG15 *Figure 14B - Manifold to Furnace Pressure Drop vs Rate CG

26Check Operation and Safety ControlsFigure 14C - Manifold to Furnace Pressure Drop vs Rate CG50*01000200030004000500060000 0.5 1 1.5 2 2.5 3 3.5 4 4.

27CG15, CG25, CG50 Burner ManualHigh gas pressure switch – With the burner fi ring and a manometer attached to the test port nearest the high pressure

28Maintenance and ServiceAnnual Maintenance (The following should be performed by a qualifi ed service technician only.)Burner:Run the burner and perfo

29CG15, CG25, CG50 Burner ManualPerform all maintenance and tests according to the burner control manufacturer’s instructions (limits, controllers, lo

3CG15, CG25, CG50 Burner ManualContentsGeneral Information ... 4Hazard Defi nitions ...

30Burner Head Adjustment - There is an optimum gas orifi ce size and burner head setting for each fi ring rate of the burner. The gas orifi ce size set

31CG15, CG25, CG50 Burner ManualPropane Restrictor Description The Beckett Propane Restrictor Conversion Kit allows for the conversion of CG15, CG25,

32Table 4 - Propane Restrictors Replacement Part NumbersBurner ModelRestrictor Part NumberRestrictorInside DiameterO-Ring Part NumberCG15.1S 3246709U

33CG15, CG25, CG50 Burner ManualFor the OperatorTest/Inspection Frequency CommentsInspect area surrounding heating plant Daily Keep area clean and fre

34Replacement PartsNote 1: See Burner Confi guration Table.128345127611910181716202324192221252619131415

35CG15, CG25, CG50 Burner ManualItem Description CG15 Part No. CG25 Part No. CG50 Part No.1 Timer (if used) 21295U 21295U 21295U2 Air Proving Switch 2

USA: P.O. Box 1289 ● Elyria, Ohio 44036Canada: R.W. Beckett Canada, Ltd. ● Unit #3, 430 Laird Road ● Guelph, Ontario N1G 3X7www.beckettcorp.comPart Nu

4Hazard Defi nitionsGeneral InformationIndicates a hazardous situation which, if not avoided, will result in death or serious injury.Used with the safe

5CG15, CG25, CG50 Burner ManualPre-installation Checklist Indoor InstallationCombustion Air SupplyThe burner requires combustion air and ventilation a

6CG15 CG25 CG50Input Firing Range†: High Fire (Max.) High Fire (Min.) Low Fire (Max.) Low Fire (Min.)USA Canada USA Canada USA Canada1,500 MBH800

7CG15, CG25, CG50 Burner ManualElectrical SupplyCheck the nameplate on the burner to verify that the power connections available are correct for the b

8Figure 3A - Maximum Capacity (at 3% O2) vs Furnace Pressure - CG15, 60Hz.Figure 3B - Maximum Capacity (at 3% O2) vs Furnace Pressure - CG25, 60Hz.Fig

9CG15, CG25, CG50 Burner ManualFigure 4 - Burner DimensionsModel Dim. A Dim. B Dim. C Dim. D Dim. E Dim. F Dim. G Dim. H O.D. Pipe ThreadCG15 20.8 9.4