Beckett CG25 - Manuals - manualsarea.com

Page 3 - Contents

3 CG15, CG25, CG50 Burner Manual Contents General Information .................................................... 4 Hazard De fi nitions ......................................................................... 4 Professional Installer’s Responsibility ........................................... 5 ...

Page 4 - General Information; avoided, will result in death or serious injury.; Thank you for purchasing a Beckett burner; Owner’s Responsibility; fl

4 Hazard De fi nitions General Information Indicates a hazardous situation which, if not avoided, will result in death or serious injury. Used with the safety alert symbol, indicates a hazardous situation, which, if not avoided, may result in minor or moderate injury. Indicates a hazardous situation...

Page 5 - Pre-installation Checklist; Failure to follow these instructions could; Wet or dusty environments could lead to blocked air

5 CG15, CG25, CG50 Burner Manual Pre-installation Checklist Indoor Installation Combustion Air Supply The burner requires combustion air and ventilation air for reliable operation. Assure that the building and/or combustion air openings comply with the latest edition of the National Fuel Gas Code AN...

Page 6 - Table 1 – Burner Speci

6 CG15 CG25 CG50 Input Firing Range † : High Fire (Max.) High Fire (Min.) Low Fire (Max.) Low Fire (Min.) USA Canada USA Canada USA Canada 1,500 MBH 800 MBH560 MBH350 MBH 1,370 MBH 800 MBH560 MBH350 MBH 2,700 MBH1,300 MBH 990 MBH550 MBH ? MBH 1,300 MBH 990 MBH550 MBH 5,000 MBH2,000 MBH1,400 MBH 730 ...

Page 7 - Electrical Supply; Figure 1; Verify Burner Components; Verify Burner Air Tube Assembly; Figure 3C; Test For Gas Pipe Leaks; Leaking gas could result in asphyxiation, explosion,

7 CG15, CG25, CG50 Burner Manual Electrical Supply Check the nameplate on the burner to verify that the power connections available are correct for the burner. Refer to Figure 1 . All power must be supplied through fused disconnect switches and comply with the latest edition of National Electric Cod...

Page 9 - Figure 4 - Burner Dimensions; NOTE; *Dimensions are in inches

9 CG15, CG25, CG50 Burner Manual Figure 4 - Burner Dimensions Figure 5 - Panel and Modulating Valve Dimensions Model Dim. A Dim. B Dim. C Dim. D Dim. E Dim. F Dim. G Dim. H O.D. Pipe Thread CG15 20.8 9.4 32.7 13.7 5.2 18.4 6.2 10.8 5.6 1-1/4 NPT CG25 20.9 9.3 33.2 13.4 6.8 17.8 6.7 12.6 6.9 2 NPT CG...

Page 10 - Mount the Burner; Overheating could cause damage to the air tube and; Connect Gas Piping; Do Not Use Te; Damage to gas valve cutoff seals and valve bodies could; Figure 7

10 Mount the burner to the appliance. The burner speci fi ed for packaged equipment will have a fl ange welded for the required insertion. Follow the appliance manufacturer’s instructions for mounting. In the absence of instructions, or for retro fi ts, make sure that the air tube insertion dimensio...

Page 11 - Figure 7 - Typical Gas Piping Layout; Gas Trains; Optional; Foreign matter could lodge in gas valve; Section: Connect Gas Piping; Provide Over-pressure Protection; Standard; Figures 8A

11 CG15, CG25, CG50 Burner Manual Figure 7 - Typical Gas Piping Layout Gas Trains to Furnace Pressure Drop curves of Figures 14A, 14B, and 14C are correct for both propane and natural gas. That is also why a gas train adjusted for the burner’s natural gas requirements will be correctly adjusted for ...

Page 13 - distance from the; Pipe Size

13 CG15, CG25, CG50 Burner Manual Figure 8A - UL Gas Train - High/Low and Low Fire Start Figure 8B - UL Gas Train - Modulating ABBREV. HGPSLGPSMSCMLTCMVSSOV1SSOV2TCTPU2PRSSOV ITEM DESCRIPTION HIGH GAS PRESSURE SWITCHLOW GAS PRESSURE SWITCHMAIN SHUTOFF COCKMAIN LEAK TEST COCKMODULATION VALVESAFETY SH...

Page 14 - Electrical Shock Hazard; Section: Wire the Burner & Sequence of Operation

14 Wire the Burner Install the burner and all wiring in accordance with the National Electric Code ANSI/NFPA 70 (Canada CSA C22.1) and all applicable codes and requirements. Wire the burner in compliance with all instructions and diagrams provided by the appliance manufacturer. Verify operation of a...

Page 15 - Load Satis; Section: Sequence of Operation

15 CG15, CG25, CG50 Burner Manual Figure 9A - Typical Wiring Using Model RM7897C for High/Low Control (For Reference Only) continuing to detect a fl ame, the burner will operate in the RUN mode until the load demand is satis fi ed or a limit opens. For High/Low control wiring ( Figure 9A ), if termi...

Page 17 - Prepare the Burner for; Gas Supply Piping; Boiler or Appliance; for; Table 3

17 CG15, CG25, CG50 Burner Manual Prepare the Burner for Start-up Start-up Checklist Verify the following before attempting to start the burner. 1. General Carefully read and become familiar with the manual, fl ame safeguard control instructions, sequence of operation, pertinent wiring diagrams, gas...

Page 18 - Start the Burner; Initial Air Settings; Test Instruments; Burner Start Procedure; Incorrect installation and mishandling of start-; Section: Start the Burner

18 Start the Burner Initial Air Settings If your burner was built for a speci fi c OEM (Original Equipment Manufacturer) application, the “Mfr’s Settings” label (see Figure 1 ) will indicate the application and the initial air settings made at Beckett. Please verify those settings using the followin...

Page 19 - Figure 10A - Damper Motor with Cover

19 CG15, CG25, CG50 Burner Manual Figure 10A - Damper Motor with Cover Figure 10B - Damper Motor with Cover Removed Push in on pin ( G ) to disengage the motor from the damper shaft and cam stack. Rotate the damper shaft by hand to place the adjustment cams in a position where their adjustment scale...

Page 20 - Adjustment Procedure

20 Optional Modulation Linkage Adjustment Instructions The optional modulation linkage assembly has been designed as an economic means to adjust the damper and the butter fl y valve to maintain air to gas ratios. When the optional Modulation linkage assembly is supplied with the burner, initial adju...

Page 21 - Table 3 - Initial Burner Settings for Both Propane & Natural Gas; adjustment by the fully quali

21 CG15, CG25, CG50 Burner Manual Table 3 - Initial Burner Settings for Both Propane & Natural Gas Furnace Pressure at High Fire 0” W.C. 0.25” W.C. 0.50” W.C. 1.00” W.C. High Fire Rate MBH Low Fire Rate MBH Burner Model Low Fire Gas Pressure, inch WC Low Fire Damper Setting High Fire Gas Pressur...

Page 22 - Modulation Control

22 Figure 13A - Display Meaning Modulation Control Modulation of the burner’s fi ring rate is accomplished by driving the damper motor in small increments to either increase or decrease rate in response to boiler demand. A pressure transducer (for steam boilers) or temperature sensor (for water boil...

Page 23 - Verify Input Firing Rate

23 CG15, CG25, CG50 Burner Manual Verify Input Firing Rate Clock the meter, correct for pressure and termperature to get SCFH and calculate the input fi ring rate. Compare the calculated rate to the speci fi ed input for the boiler found on the speci fi cation sheets and on the rating plates for the...

Page 24 - Natural Gas

24 Estimating Rate Manifold to Furnace Pressure information can be used to estimate the burner’s fi ring rate when it is not possible to clock a meter for the rate. To estimate the burner’s fi ring rate: Measure the furnace pressure over fi re Measure the manifold pressure (at the manifold pressure ...

Page 25 - Figure 14A - Manifold to Furnace Pressure Drop vs Rate CG15 *

25 CG15, CG25, CG50 Burner Manual Figure 14A - Manifold to Furnace Pressure Drop vs Rate CG15 * Figure 14B - Manifold to Furnace Pressure Drop vs Rate CG25* 0 200 400 600 800 1000 1200 1400 1600 1800 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 Pressure Drop, In. WC Rate, MBH CG15.4SCG15.3SCG15.2SCG15.1S 0 500 100...

Page 26 - Check Operation and Safety Controls; Figure 14C - Manifold to Furnace Pressure Drop vs Rate CG50*; Testing by Quali; Failure to properly test and verify the correct; Operating control; Low gas pressure switch

26 Check Operation and Safety Controls Figure 14C - Manifold to Furnace Pressure Drop vs Rate CG50* 0 1000 2000 3000 4000 5000 6000 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 Pressure Drop, In. WC Rate, MBH CG50.5SCG50.4SCG50.3SCG50.2SCG50.1S * Charts represent both natural and propane gas. Testing by Quali fi e...

Page 27 - Use Test Instruments to Set Combustion

27 CG15, CG25, CG50 Burner Manual High gas pressure switch – With the burner fi ring and a manometer attached to the test port nearest the high pressure switch, gradually increase the gas pressure until the high pressure switch opens and shuts the burner off. Note the pressure and manually reset the...

Page 28 - Maintenance and Service; Annual Maintenance; Tampering with or making incorrect; Failure to turn off electric and gas supply could; Section: Maintenance and Service

28 Maintenance and Service Annual Maintenance (The following should be performed by a quali fi ed service technician only.) Burner: Run the burner and perform a complete combustion test using the proper instruments before proceeding. If necessary refer to the section labeled Start the Burner. Record...

Page 31 - Propane Restrictor Description; and

31 CG15, CG25, CG50 Burner Manual Propane Restrictor Description The Beckett Propane Restrictor Conversion Kit allows for the conversion of CG15, CG25, and CG50 burners for use with propane gas. With the proper installation of the restrictor and attached O-ring, adjustments and settings for propane ...

Page 33 - For the Operator; Frequency; Lack of regular inspections and inadequate

33 CG15, CG25, CG50 Burner Manual For the Operator Test/Inspection Frequency Comments Inspect area surrounding heating plant Daily Keep area clean and free of clutter Inspect gas supply system for leaks Daily Use visual and electronic leak detection Inspect appliance & piping for water leaks Dai...

Page 34 - Replacement Parts; For best performance specify genuine; Beckett; Note 1: See Burner Con

34 Replacement Parts For best performance specify genuine Beckett replacement parts. Note 1: See Burner Con fi guration Table. 1 2 8 3 4 5 12 13 14 7 6 19 18 17 16 15 21 24 25 20 23 22 11 9 10 26 27

Page 35 - Item Description

35 CG15, CG25, CG50 Burner Manual Item Description CG15 Part No. CG25 Part No. CG50 Part No. 1 Timer (if used) 21295U 21295U 21295U 2 Air Proving Switch 22181U 22181U 22182U 3 Ignition Transformer 7503U 7503U 7503U 4 Spring Latch (Dzus Fastener) 32444U 32444U 32444U 5 Sight Glass** 31346U 31346U 313...

Page 36 - Guelph, Ontario N1G 3X7; ts, products must be installed by a; Limited Warranty Information

USA: P.O. Box 1289 ● Elyria, Ohio 44036 Canada: R.W. Beckett Canada, Ltd. ● Unit #3, 430 Laird Road ● Guelph, Ontario N1G 3X7 www.beckettcorp.com Part Number 6104 BCF50 R13, Printed in the U.S.A. 06/10 The R. W. BECKETT CORPORATION (“Beckett”) warrants to persons who purchase its “Products” from Bec...