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General| Air Adjustment | Adjustable air shutter |
|---|---|
| Fuel Type | Natural gas, propane, butane |
| Capacity | 400, 000 BTU/hr |
| Ignition | Direct spark |
| Control | Modulating |
| Material | Stainless steel |
Guidance on piping layout based on insurance and standards groups.
Illustration of a block and bleed gas train setup for the Model '400' OVENPAK® burner.
Ensures adequate gas pipe size for full burner capacity and pressure.
Essential for preventing blockage of fuel train components and burner ports.
Proper placement and use for shutting off fuel during extended periods.
Highlights that the internal fuel throttling valve is not for tight shut-off.
Essential for maintaining uniform system supply pressure for burners.
Guidance on proper setup of pilot take-off including regulator and valve.
Ensures pilot piping is sized for full flow and pressures as per catalog.
Explains manual reset and motorized shut-off valves for safety.
Essential for burner adjustment and must be plugged when not in use.
Burner can be mounted horizontally or in any position suitable for control motor and UV scanner.
Details cutting openings and mounting burners through oven walls or ducts.
Steps for securely mounting the burner using studs, washers, and nuts.
Ensures clean, fresh, cool air surrounds the burner's air inlet and motor for optimal performance.
Highlights the need for support for burner and connected pipe train components.
External auxiliary support is required for the Packaged Model '400' burner.
Illustrations showing leg support and knee bracket support configurations.
Required when mounting burners in thin wall heater/oven panels.
Details using special gaskets and packing for push-through systems to prevent backflow.
Provides recommendations and diagrams for mounting the discharge sleeve.
Spacers can be used in pull-through systems to admit cooling air past the sleeve.
Warns about potential warpage and leakage when welding burner flange to stiffener plate.
Lock screws are used to center the mixing cone within the burner body and sleeve.
Specific instructions for adjusting lock screws on Model '400' to prevent cone deformation.
Ensures the discharge sleeve is flush with or extends beyond the interior wall.
Recommends an external port for observing burner pilot and main flame.
Explains flame sensing via flame rod or UV scanner and scanner placement.
Notes that field conversion may require additional parts for Model '400' burners.
Highlights the need to adjust supply pressures when using alternate fuels.
Wiring diagram for achieving low-fire start with a Hi/Lo Control Motor.
Disclaims responsibility for layout use; submission for agency approval is required.
Discusses special considerations for multi-burner systems, including air/gas balancing.
Details essential control system interlocks for safety and proper operation.
Emphasizes reading all instructions and verifying installation compliance.
Stresses that start-up and adjustment must be done by trained, experienced personnel.
System manufacturer's instructions take precedence over Maxon's if conflicts arise.
Step-by-step guide for the initial start-up of the OVENPAK® burner.
Close fuel valves and set gas regulators to approximate mid-position.
Check all control devices, interlocks, and connections for proper operation.
Ensure duct and chamber dampers are correctly positioned and locked.
Disconnect the control motor linkage for manual burner control during start-up.
Start fans/blowers for adequate purge, then manually set burner to high fire.
Warning against bypassing control panel timers that manage sequential operations.
Verify differential air pressure for EB models with combustion air blower and fans running.
Determines differential air pressure by measuring burner air port to atmosphere.
Specific steps for measuring differential air pressure on Model '200' burners.
Differential air pressure setting determines burner capacity and performance.
Use differential air pressure reading to determine required differential gas pressure.
Check spark ignitor positioning and ensure it arcs correctly at the end of the ignitor.
After purge, return burner control valve to low fire position.
Steps to light pilot and adjust pilot gas regulator for a stable flame.
Adjust pilot flame for good stable shape and signal strength for flame safety.
Re-light pilot to ensure quick ignition and verify flame safeguard relays.
Re-check all interlocking safety components and circuitry for proper installation and setting.
Steps to establish the main flame by adjusting gas pressure regulators.
Adjust main gas regulator for correct differential pressure at high fire.
Procedure to follow if the burner goes out during start-up.
Cycle burner to verify flame maintenance with interrupted pilot operation.
Reconnect control motor linkage once burner performance is satisfactory.
Ensure control linkage travel allows full burner crank movement for cataloged capacities.
Caution against binding the control motor linkage to prevent damage.
Re-check differential gas pressure at operating temperature and refine settings.
Check mixing cone set screws for contact with the cone at high temperature.
Plug all unused test connections to prevent dangerous fuel leakage.
Cycle system to check operation from light-off to maximum and recheck safety interlocks.
Provides a typical gas firing control sequence for Maxon burners.
Summarizes light-off and shut-down steps for gas firing Model '400' burner.
Warning about testing UV installation for spark excitation and using gas-tight connections.
Instruct operators on proper start-up, shut-down, and provide written instructions.
