![]() 14) Restart unit to be sure that the ignition is smooth. 11) Bring the unit back up to high fire to make sure that your 9.5% CO² has not changed, and CO is at acceptable level 12) Send the unit back down to low fire to make sure that your 9.1% CO² has not changed, and CO is at acceptable level 13) Disable service mode (momentarily depress the S1 & S2 buttons together) and let the post purge complete it's cycle. 7) Immediately run the unit to high fire by pressing the S2 button 8) In the hub of the first fitting, drill a hole into the exhaust pipe and insert your combustion analyzer’s probe 9) When high fire has been established, start making adjustments to the standard throttle screw targeting 9.5% CO² - be sure to take a peek at your CO levels to be sure they fall within the suggested parameters 10) Run the unit back into a low fire and begin adjusting the offset to reach a value of 9.1% CO² again check the CO to be sure it is less than 20 PPM. 5) Press the S1 button to run the unit down into the lowest fire, and hook up your digital manometer onto the offset tapping 6) Once low fire has been established, start making adjustments to the offset adjustment screw targeting -.02" W.C. ![]() pressure drop the unit will start roughly. 3) Start up boiler using the service mode and if necessary use your hand to throttle the air/gas mixture assembly to get unit to establish flame 4) Once the unit is running, check incoming gas pressure again. We’re looking for 7” water column (W.C.) 2) Bottom out (CW) the throttle adjustment screw and bring back 2½ turns (CCW) for a 399 or 6 turns (CCW) on a Dungs valves. Features Exclusive designs Designed for use in hot or superheated water boilers, hot air or steam generators, thermic fluid heaters.Natural gas Munchkin calibration procedure 1) Loosen inlet pressure tapping and set up your manometer to test incoming gas pressure. Moreover, our long list of clients reflects toward our credible services over the years. We offer durable and resistant to high temperatures and corrosion Modulating Gas Burners to our esteemed clients. ![]() Our Modulating Gas Burners are fabricated from the best quality raw materials that are sourced from the trusted vendors of the market. ![]() ![]() We are the reliable Manufacturer, Supplier, and Exporter of Modulating Gas Burners, which get widely demanded in the domestic market due to its high quality and long service life. ![]()
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