Beckett CG15 Manual
Gas burner
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Also See for CG15:
- Manual (36 pages) ,
- Manual supplement (4 pages) ,
- Setup manual (12 pages)
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Fire, Explosion and Asphyxiation Hazards
Failure to follow these instructions exactly could lead to fire or explosion and result in death, severe personal
injury or property damage.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
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What to do if you smell gas:
- Do not try to light any appliance.
- Do not touch any electrical switch.
- Do not use any phone in your building.
Immediately call your gas supplier from a telephone outside the building.
- Follow the gas supplier's instructions.
- Call the fire department if you cannot contact your supplier.
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Installation and service must be performed by a qualified installer, service agency, or the gas supplier.
COMMERCIAL PRODUCTS
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Table of Contents
Related Manuals for Beckett CG15
Summary of Contents for Beckett CG15
- Page 1 COMMERCIAL PRODUCTS Fire, Explosion and Asphyxiation Hazards Failure to follow these instructions exactly could lead to fire or explosion and result in death, severe personal injury or property damage. Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. What to do if you smell gas: - Do not try to light any appliance.
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Page 2: Table Of Contents
Inspect and Clean the Burner ..............35 Troubleshooting ............38 Reading the Control..................38 Failure Did Not Light..................38 Main Flame Establishment Period (MFEP) Fail ..........39 Replacement Parts ..........40 Contractor Start-Up Form ........43 Limited Warranty Information ........44 — CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... - Page 3 Figure 8 — Minimum Combustion Chamber Dimensions ................16 Figure 9 — UL Gas Train: Lo/Hi/Off or Lo/Hi/Lo, CG15 & CG25 (1 million to 2.5 million BTU) ......17 Figure 10 — UL Gas Train: Lo/Hi/Off or Lo/Hi/Lo (1 million to 5 million BTU) ..........17 Figure 11 —...
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Page 4: General Information
Contact a professional, qualified service agency to immediately after operation. Allow replace any component that has been exposed to water. area to cool. — Section: General Information CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... -
Page 5: Professional Installer's Responsibility
If any of these instructions are not clear, appliance. Call Beckett at 1-800-645-2876 DO NOT shut off power to the equipment, allow the blower and pumps to continue for assistance. running. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: General Information —... -
Page 6: Specifications
*See manufacturer’s nameplate settings for specific minimum gas pressure requirements. ** See Figures 14A, 14B, & 14C. † Canada High Fire rate is reduced to accomodate 25% reserve air. †† More otions available not shown on table — Section: Specifications CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... - Page 7 Dim. C Thread CG15 5.12 11.75 2.85 1-1/4 NPT DIM. B CG25 5.12 11.75 3.35 2 NPT CG50 5.81 13.25 3.38 2-1/2 NPT NOTE: All dimensions are in inches. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Specifications —...
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Page 8: Inspect & Prepare Installation Site
The safety is wired in series with the burner control circuit and shuts the burner off, when the spillage of hot flue gases is detected. — Section: Inspect & Prepare Installation Site CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... -
Page 9: Chimney Liners
Minimum Clearence: 2 FT. Note: Correct chimney design is shown by dotted lines. Incorrect chimney design, as shown by the solid lines, may result in down-drafts. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Inspect & Prepare Installation Site —... -
Page 10: Flue Pipe And Barometric Draft Control
Poor location for Draft Regulator, Must maintain boiler flue pipe size due to combustion noise to chimney for single appliances. installed in a bullheaded tee. — Section: Inspect & Prepare Installation Site CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... - Page 11 Horizontal pipe must have a 1/4” rise per 1 foot. Recommended This arrangement may cause resonance. 12” Manifold 7” 7” 6” Barometric Draft Controls Heating Units CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Inspect & Prepare Installation Site —...
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Page 12: Combustion Air Supply
5,000 BTU per hour. All appliances must be taken into consideration. Refer to NFPA 54 & 58. — Section: Inspect & Prepare Installation Site CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... - Page 13 PRESSURE GAUGE STRAINER SSOV1 SAFETY SHUTOFF VALVE #1 TEST COCK UNION PRSSOV PRESSURE REGULATING SAFETY SHUTOFF VALVE FACILITY PIPING BURNER GAS UTILITY PIPING GAS TRAIN CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Inspect & Prepare Installation Site —...
- Page 14 1050 1850 3800 1700 3500 For other inlet pressures and pressure drops, see NFPA 54 for Natural Gas piping or NFPA58 for LP Gas Piping. — Section: Inspect & Prepare Installation Site CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50...
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Page 15: Installation Instructions
• The supplied gasket is in place on the burner air tube flange and then mount the burner to the appliance using appliance or field supplied hardware. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Installation Instructions —... -
Page 16: Assemble Gas Train
Never disassemble gas valve. Always install the gas valve with the gas flow in the same direction as the arrow. These actions may cause gas valve to leak. — Section: Installation Instructions CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... - Page 17 Figure 9 — UL Gas Train: Lo/Hi/Off or Lo/Hi/Lo, CG15 & CG25 (1 million to 2.5 million BTU) LGPS HGPS SSOV1 2PRSSOV MLTC Figure 10 — UL Gas Train: Lo/Hi/Off or Lo/Hi/Lo (1 million to 5 million BTU) LGPS HGPS...
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Page 18: Converting The Burner For Use With Propane Gas
Converting the Burner for use with Propane Gas Figure 13 — Component Locations 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... -
Page 19: Installing The Propane Restrictor
Refer to Figure 14 . CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Installation Instructions —... -
Page 20: Wire The Burner
This applies to all controls, panels, enclosures, switches, correct the interference. and guards or any component with a cover as part of its design. — Section: Installation Instructions CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... -
Page 21: Start Up And Operation
6. Flame Stabilization – The burner will operate in low instructions, and control manufacturer’s literature supplied fire for 10 seconds before initiating high fire. with your burner. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Start Up And Operation —... -
Page 22: Burner Start-Up Prep
The high gas pressure switch should be set at power and close the main shut off cock to shut off one and one half times the high fire manifold pressure. gas to the burner.) — Section: Start Up And Operation CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... - Page 23 NOTICE: The light-off rate must not be set below the low fire recommendation. Lower rates will lengthen the time it takes for gas to get to the burner head and may cause ignition failures. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Start Up And Operation —...
- Page 24 Manifold to Furnace Pressure Drop vs. Rate - CG15 Figure 15 — Manifold to Furnace Pressure Drop vs Rate CG15 * 1800 1600 1400 1200 CG15.4S 1000 CG15.3S CG15.2S CG15.1S Pressure Drop, In. WC Manifold to Combustion Chamber Pressure Drop (in. WC) Manifold to Furnace Pressure Drop vs.
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Page 25: Estimating Rate
3. Examine the gas piping to know of any other gas appliances connected to it. Turn them off so that only this burner is using gas from the meter. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Start Up And Operation —... -
Page 26: Combustion Adjustment Procedure
Orange cam is between the Blue and Red 4. Measure the carbon monoxide level and adjust air Cams. settings, if necessary, to temporarily raise CO to — Section: Start Up And Operation CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... -
Page 27: Adjusting The Damper
LWCO contacts close and restart the burner. Monitor the LWCO switch operation in relation to the water level in the sight- glass for synchronization. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Start Up And Operation —... - Page 28 Figure 20 — Beckett Damper Actuator Familiarization A. Disengaging Pin B. Damper Motor Scale C. Adjustment Cams D. Terminal Block — Section: Start Up And Operation CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50...
- Page 29 • This number should be the middle setting. Orange Cam Adjustment Screw: • As you turn the screw, the cam number setting changes. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Start Up And Operation —...
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Page 30: Full Modulation
Full Modulation The CG15, CG25, and CG50 gas burners are available in three optional configurations that can be controlled by the three most popular modulation control signals: 135 Ohm, 4 – 20 mA, or 2 – 10 VDC. All three of these options use the Siemens SQM40 actuator for damper control. -
Page 31: Wiring For Full Modulation
Indicating Notch for connections. Refer to the wiring diagram supplied with Damper Position your burner for connection details. Damper Position Scale CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Start Up And Operation —... -
Page 32: Modulation Adjustment Instructions
(Shown in Figure 26 ). See the SQM40 manual in the burner’s literature package for detailed instructions. Note: Both potentiometers require 30 turns to span their range. Don’t give up too soon. — Section: Start Up And Operation CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... -
Page 33: To Set Firing Rate
Lo Fire: Turn rate potentiometer to low, once linkage has fully travelled use the Low Fire Adjustment nut on linkage to set the manifold gas pressure (should be between 0.75” W.C. and 1.5” W.C.) CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Start Up And Operation —... -
Page 34: Maintenance And Service
Follow control manufacturer’s instructions & procedures in ASME Check all safety valves As required Boiler & Pressure Vessel Code, Section VI - Recommended Rules for Care and Operation of Heating Boilers. — Section: Maintenance And Service CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... -
Page 35: Required Annual Maintenance
; Clear any debris from the air vents on the motor body. ; Clean the ignition transformer, baseplate, and terminal bushing. Inspect the ignition lead for signs of deterioration and loose terminals. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Maintenance And Service —... - Page 36 • Gas supply piping: 1. Inspect all piping for leakage and proper installation. 2. Perform necessary repairs to comply with all codes. 3. Check inlet pressure to the gas valve. — Section: Maintenance And Service CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50...
- Page 37 The head setting is established by a notched sleeve on the gas tube that can be rotated to positions on a scale marked by the burner’s model number. The scale should normally be set to the model number on the Beckett burner data label. (If specific application requirements dictate an alternate head setting it will be noted by a label on the gun assembly.)
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Page 38: Troubleshooting
• Check Oxygen (O2) level in Low Fire — If higher than 6% O2 close damper until O2 is between 3% and 5%. — See “Adjusting the Damper” on page 27 for detailed instructions. — Section: Troubleshooting CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... -
Page 39: Main Flame Establishment Period (Mfep) Fail
— See “Adjusting the Damper” on page 27 for detailed instructions. — Check the 4062A motor to ensure it pushes on the plunger when going to high fire. CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Troubleshooting —... -
Page 40: Replacement Parts
■ Replacement Parts — Section: Replacement Parts CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50... - Page 41 Note 1: Appliance must be specifi ed to order an airtube with welded mounting fl ange. Note 2: Motor for CG15 has a built in mounting fl ange. For the CG25 and CG50, the mounting fl ange is separate. Note 3: For modulation linkages refer to UL label for serial number. Call Customer Service for parts.
- Page 42 — Section: Replacement Parts CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50...
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Page 43: Contractor Start-Up Form
Pipe Diameter:___________ Length of Pipe from Burner to Meter:___________ Number of Elbows:___________ „ Combustion Readings ___________% CO:___________ PPM ___________% Stack Temperature (325°F MIN.):_____________°F Manifold Gas Pressure:___________ (Inches W.C.) CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50 Section: Contractor Start-up Form —... -
Page 44: Limited Warranty Information
The R. W. BECKETT CORPORATION (“Beckett”) warrants to persons who purchase its “Products” from Beckett for resale, or for incorporation into a product for resale (“Customers”), that its equipment is free from defects in material and workmanship. To qualify for warranty benefits, products must be installed by a qualified service agency in full compliance with all codes and authorities having jurisdiction, and used within the tolerances of Beckett’s defined product specifications.