Access Combustion B Installation, Operation And Service Manual Download

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Model B Burner

NSTALLATION

PERATION

AND

ERVICE

ANUAL

ACCESS

COMBUSTION, LLC

The manual is not to be disclosed to others without consent of Access Combustion.

Unauthorized use is expressly forbidden.

For Information, Service, or Repair Please Contact:

Access Combustion, LLC.

www.Access-combustion.com

Phone: 918-576-7100

E-M

ail: [email protected]

WARNING: Only Factory Authorized Burner Service Personnel Should Start, Adjust, or Service This

Equipment

Summary of Contents for B

Page 1: ...ss Combustion LLC The manual is not to be disclosed to others without consent of Access Combustion Unauthorized use is expressly forbidden For Information Service or Repair Please Contact Access Combustion LLC www Access combustion com Phone 918 576 7100 E Mail sales accessburner com WARNING Only Factory Authorized Burner Service Personnel Should Start Adjust or Service This Equipment ...

Page 2: ...6 Typical Gas Train 7 Gas Train Pressure Test 8 Electrical Connection 8 Burner Sequence of Operation 9 Section IV Burner Commissioning 10 Pilot Spark Pickup Test 10 Pilot Commissioning 11 Main Flame Commissioning 12 Adjustment of Air Flow Switch 13 Adjustment of Filter Switches 13 Adjustment of Gas Pressure Regulators 13 Adjustment of Gas Pressure Switch 14 Section V Maintenance 15 General Mainten...

Page 3: ...anties are voided and all liability rests with the INSTALLER when evidence of Teflon is found ONLY use a pipe sealant approved by the Underwriters Laboratories for assembly of oil and gas piping Castable refractory dust contains cristabolite and or crystalline silica and the ceramic fiber refractory contains fibers all of which may be carcinogenic Use proper and approved respiratory protective equ...

Page 4: ... or forced into the combustion chamber tangent to the flame envelope The mixture is ignited downstream of the diffuser using internally located gas electric pilot system The pilot is located inside the burner housing The diffuser is a stainless steel mixing device The angle of the diffuser blades forces the air to exit the diffuser with a spinning motion The spinning air flow is mixed with gas and...

Page 5: ...at the inlet to the fuel train Are there adequate provisions for the combustion air installed Is the burner combustion air inlet free from obstruction Heat Exchanger Check list Is the heat exchanger filed with sufficient heating medium water oil glycol etc Are the heat exchanger safety limits verified low fluid cut off high temperature shutdown etc Are any connected load circulation systems proper...

Page 6: ...ACCESS COMBUSTION LLC WARNING Only authorized burner service personnel should start adjust or service this equipment Rev 05 Page 6 of 19 SECTION III BURNER INSTALLATION ...

Page 7: ... pressure setpoint adjustment screw is in the center of the regulator cover Clockwise rotation of the setpoint adjustment screw increases the outlet gas pressure Counterclockwise rotation decreases the outlet gas pressure The hexagonal cap must be tightened after the setpoint screw has been adjusted and may be sealed from tampering by means of a wire and lead seal 2 1 ...

Page 8: ...k for gas leaks between main incoming gas and valve 2 on the gas train by either performing a bubble test or measuring gas pressure a Refer to your local gas code guidelines for gas leak test and gas test procedure 4 Main Gas train leak test can only be performed during burner operation ELECTRICAL CONNECTION Warning Risk of electric shock Only a qualified electrician should perform all electrical ...

Page 9: ...e starting the burner 6 Air damper valve closes 7 Ignition Transformer is energized 8 Pilot solenoid valve opens 9 Pilot flame is detected by the BMS 10 Ignition Transformer is de energized 11 Main Solenoid valve opens 12 Pilot Solenoid valve is de energized 13 Main flame is detected by the BMS 14 Burner is ready for modulation If demand is interrupted 15 Main Solenoid valve are de energized 16 Ai...

Page 10: ...itch to close and energize the burner demand 5 Burner motor should start 6 Air damper should drive to open or fan should speed up 7 A pre ignition air purge sequence begins 8 After pre ignition purge air damper valve should close or fan should speed down 9 Ignition Transformer should energize 10 Pilot solenoid valve should open 11 At this point the BMS system should error out and fail on pilot fla...

Page 11: ... close or fan should speed down 9 Ignition Transformer should energize 10 Pilot solenoid valve should open 11 At this point the BMS system should sense the pilot flame The BMS system should show a confirmed pilot flame Refer to the specific BMS manual for details on how this will be reported 12 Verify pilot signal strength before proceeding to the next step a Refer to the specific BMS manual for p...

Page 12: ...ir damper valve should close or fan should speed down 9 Ignition Transformer should energies 10 Pilot solenoid valve should open 11 The BMS system should show a confirmed pilot flame Refer to the specific BMS manual for details on how this will be reported 12 Ignition Transformer should de energize 13 Main gas valves should open followed by main flame ignition At this point the BMS system should s...

Page 13: ...h one causes lockout if filters are not providing sufficient air for high fire combustion Optional Second Filter Switch triggers a dirty filter warning Filter switches should be adjusted at high fire by temporarily restricting filter inlet Warning switch should be set to open when high fire O2 level drops 1 from the normal operating condition Lockout switch should be set to open when high fire O2 ...

Page 14: ...ssure activated switch devices designed for safety shutoff when the gas pressure is either too high or too low If the gas pressure sensed by the device reaches the device set point the switch will open causing a shutdown The system will then recycle or lockout depending on the control system used Gas pressure switches are designed to operate over a specific range therefore they must be selected to...

Page 15: ...t they are working freely and properly Lubricate if necessary 4 On burners equipped with air inlet filters remove and clean the pre filter assembly MONTHLY MAINTENANCE 1 Check pilot assembly a The ignition electrode must be centered in the ignitor body b The ignition electrode and pilot assembly should be inspected and cleaned if necessary c The high tension wire between the transformer and the ig...

Page 16: ...uctions cracked insulator or damaged ignition electrode Pilot ignition transformer defective Check for 120 volts primary voltage on ignition panel terminal Replace transformer if needed Defective flame safeguard Check for 120 volts primary voltage on ignition panel terminal Replace flame safeguard if needed Motor runs ignition spark occurs but gas does not ignite No gas supplied to pilot Check the...

Page 17: ...ect cables lines and tubes from the pilot assembly and remove from burner assembly 2 Inspect ignition tip for cleanliness and proper adjustment a Make sure spark rod is clean and free of corrosion and or soot b Make sure the spark rod location is as shown and the gap between spark rod and ignition tube is set to 1 8 inch If not the spark rod may be gently bent back into the proper position 3 Check...

Page 18: ...ion as to duration warranty adjustment and limitation of liability shall be the same for both implied warranties and expressed warranties Access Combustion warranty is solely as stated above and does not apply or extends to expendable items ordinary wear and tear altered equipment equipment repaired by persons not expressly approved by Access Combustion material not made by Access Combustion or to...

Page 19: ...purchased by Access Combustion from third party suppliers shall be limited to the warranty and warranty adjustment extended to Access Combustion by the original manufacturer of such parts In no event shall such other manufacturer warranty create any more extensive warranty obligations Access Combustion to the Buyer for such parts then Access Combustion warranty adjustment covering part manufacture...

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