Pilot gas flow should stop within 2-1/2 minutes. CONVENIENCE TERMINALS SERVE AS A TIE POINT ONLY. This type of gas valve used a single thermocouple. Loss of power closes the automatic valves, but leaves the pilot lit, ready to return to normal service when power is restored. wc [0.9 kPa] outlet pressure). Where these instructions differ from the appliance manufacturer, follow the appliance manufacturer instructions.All wiring including 1/4 in. 400 millivolts across the generator loadedcurrent flowing through the switches and valvesis about right. The rod, which should be cleaned annually, by the way, will heat up and send a millivolt signal down to its ceramic base and on to the control board. To check for gas pipe leaks, put soap on the pipe connecting to the valve, if it bubbles, it means there's leakage. Find many great new & used options and get the best deals for Robertshaw 710-502 Millivolt Low Capacity Gas Valve, 1/2" x 1/2", 70,000 BTU at the best online prices at eBay! 0000060666 00000 n Capacity rated at 130 feet 3 /hour at 1-inch WC pressure drop [3.7 m 3 /hr at 0.25 kPa]. 0000023456 00000 n 0000041780 00000 n 0000126186 00000 n Before lighting, smell all around the appliance area for gas. %PDF-1.3 % IF THE PILOT BURNER FLAME GOES OUT WHEN THE GAS CONTROL KNOB IS RELEASED, IF THE MAIN BURNER WILL NOT COME ON WITH A CALL FOR HEAT. Then the regulator valve is forced fully open by the timing diaphragm, which is operated by bleed gas. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Regulator adjustment is accessible from top of gas control.MOUNTING: Can be mounted 0 to 90 degrees in any direction from the upright position of the gas control knob, including vertically.TEMPERATURE RATING:VR8200A,C,H,J; VR4200A,C,H: 0 F to +175 F [-18 C to +79 C].VR8200M,P; VR4200M,P: -40 F to +175 F [-40 C to +79 C]. Comment * document.getElementById("comment").setAttribute("id","aac0d23d4efdcbcc5f3480c59cc4754f");document.getElementById("afe6277d1c").setAttribute("id","comment"); Save my name, email, and website in this browser for the next time I comment. If pilot burner flame still will not light: Assure the gas control knob is held in at least one minute to allow the thermocouple time to heat. Your Purchases through Amazon provide a means for channels such as mine to earn advertising fees from any purchases after clicking through. Take care when handling the refractory panels as they are fragile until held in place and supported. . While taking a Millivolt reading on a safety magnet, disconnect thermocouple & wires from the valve. Thanks. Required fields are marked *. Do not overtighten. trailer << /Size 335 /Info 243 0 R /Encrypt 246 0 R /Root 245 0 R /Prev 536170 /ID[] >> startxref 0 %%EOF 245 0 obj << /Type /Catalog /Pages 242 0 R >> endobj 246 0 obj << /Filter /Standard /R 2 /O (__LD98yc0\r!) /U (\rUob!Yd2U/>6q6) /P -44 /V 1 >> endobj 333 0 obj << /S 97 /Filter /FlateDecode /Length 334 0 R >> stream 0000016980 00000 n When making the conversion, the main pilot burner orifices must be changed to meet the appliance manufacturer specifications. SIT 822 Valve with a Honeywell Electronic Igniter NOTE: Remove glass before servicing. If you have problems accessing your account, please contact us at 1-888-757-4774 and we'll help you out. Choose the appropriate flange for your application. The reduced pressure on the bottom of the automatic valve diaphragm repositions the diaphragm downward away from the valve seat, allowing main burner gas flow. Do not secure conduit cover at this time. 0000139520 00000 n Check your instruction manual to determine the voltage that should be running at your control valve circuit. If the appliance is a hot water heater but it's not firing up, the thermopile might be weak. Why isn't the spark gap lighting the pilot on my furnace? 0000027369 00000 n 0000011088 00000 n 0000006141 00000 n Check the power unit resistance. See Fig. The low-pressureregulator maintains outlet pressure at the preset step rate for several seconds. 0000008826 00000 n Release button; the pilot should remain lit. Tech Guru. 10 Easy Things to Check When Troubleshooting a Furnace Gas Valve. Your problem seems to involve large -- really large -- "industrial size" issues. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. The VR8200 Continuous Pilot Dual Automatic Valve Combination Gas Controls are used in gas-fired, standing pilot appliances. 0000044882 00000 n 0000055329 00000 n May be installed at any angle between 0 and 90 degrees from the upright position, including vertically. Do not force the gas control knob on the appliance. They require the use of a 750 mv Powerpile generator (thermopile). 30 0 obj <>/Filter/FlateDecode/ID[<07B8336975034BD12756FE90D2FD37D3>]/Index[10 37]/Info 9 0 R/Length 96/Prev 25390/Root 11 0 R/Size 47/Type/XRef/W[1 2 1]>>stream 0000011066 00000 n Use only your hand to push down the reset button or turn the gas control knob. SUPER TRADELINE MODELSSUPER TRADELINE controls offer features not avail- able on TRADELINE or standard models, and are designed to replace a wide range of Honeywell and competitive controls.SUPER TRADELINE model specifications are the same as those of standard models except as noted below.SUPER TRADELINE MODEL AVAILABLE: VR8200A Continuous Pilot Dual Automatic Combination Gas Control. 0000005748 00000 n Continue to hold down the reset button for about one minute after the pilot is lit. Thanks. Advertisement 0000023590 00000 n MILLIVOLT SYSTEMS Millivolt systems provide their own power, so do not require outside battery power or line voltage to operate. See you next time at ACSERVICETECH Channel!Check out All of the ACSERVICETECH Playlists- https://www.youtube.com/channel/UCOZR-1IqsAer9wzlvFgb4mA/playlists?view_as=publicIf you want to support the ACSERVICETECH Channel and receive more HVAC content, check out www.Patreon.com/acservicetechACSERVICETECH is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.You can enter Amazon through this http://amzn.to/2aenwTqHere is a link to the Fieldpiece SC640 Multimeter- http://amzn.to/2x8k4KbHere is a link to the Fieldpiece SC660 Wireless Multimeter- http://amzn.to/2gWDUhcHere is the link for the Robertshaw low profile millivolt gas valve- http://amzn.to/2iLXzEhHere is the link for the White Rodgers 750mv thermopile- http://amzn.to/2zhKVnFHere is the link for the Robertshaw Pilot and 750mv Thermopile combo- http://amzn.to/2zZAH8wHere is the link for the Honeywell armored cable 750mv Thermopile- http://amzn.to/2yfR9UKHere is a link to the Pro 3000 24v Thermostat used in the video- http://amzn.to/2keuUbsHere is a link to the JB 6 CFM Vacuum Pump http://amzn.to/2nqbvo8Here is the Link to the Appion Blue 3/8\" to 1/4\" Vacuum Hose- http://amzn.to/2uYlVycHere is the Link to the Appion Red 3/8\" to 1/4\" Vacuum Hose- http://amzn.to/2uYg6RoHere is the link to the Appion Valve Core Removal Tool- http://amzn.to/2uYr8WLHere is the link to the Yellow Jacket 1/4\" by 1/4\" heavy duty hose straight- http://amzn.to/2umtcodHere is the link to the CPS Vacuum Micron Gauge- http://amzn.to/2v1nM3OHere is the link to the Supco Vacuum Micron Gauge- http://amzn.to/2v1JRiAHere is a link for RectorSeal Bubble Gas Leak Detector http://amzn.to/2ckWACnHere is a link to the UEI DL389 Multimeter used in the videos- http://amzn.to/2xAdaJfHere is the link to the Fieldpiece ST4 Dual Temp Meter- http://amzn.to/2wc1ME3Here is a link to the Air Acetylene Torch setup- http://amzn.to/2aQalsb Here is a link to the 15% Silver Brazing Rods- http://amzn.to/2gVLyLcHere is a link the Nitrogen Regulator http://amzn.to/2bXdR5fHere is a link to the Nitrogen Flow Meter http://amzn.to/2brvoBgHere is a link to the Digital Refrigerant Scale used in the videohttp://amzn.to/2b9oXYl Here is the Link for the Yellow Jacket Refrigerant Manifold Gauge Set used in the videos http://amzn.to/2aenwTqHere is a link to Refrigerant hoses with valves used in the videos http://amzn.to/2aBumVIHere is the link for the Imperial Kwik Charge 535-C- http://amzn.to/2uipEI6 Here is the link to the Fieldpiece SDMN6 Dual Pressure Testing Manometer with Pump-http://amzn.to/2jyK5KaHere is a link for the Supco Magnet Jumpers http://amzn.to/2gS4h6zHere is a link to 1 gallon of JB Vacuum Pump Oil http://amzn.to/2mGrlXyHere is a link to the General Tools digital Psychrometer http://amzn.to/2cSHsi1Here is a link to the Fieldpiece SDP2 Digital Psychrometer- http://amzn.to/2nniMVRHere is the link for the Ratcheting Service Wrench http://amzn.to/2dGV4NhHere is a link to the Appion G5 Twin Recovery Pump http://amzn.to/2dGSEyr Here is a link to the Malco Sheet metal scribe- http://amzn.to/2qCwu9DHere is a link to the Wiss Right Tin Snips- http://amzn.to/2rGnBvXHere is a link to the Wiss Bulldog snips- http://amzn.to/2rd1Dz5Here is a link to the Malco 90 Degree Right Hand Vertical Snips- http://amzn.to/2qHHpu4Here is the link for the Irwin Wire Stripper/Cutter/Crimper http://amzn.to/2dGTj2VThank You, ACSERVICETECH Gas valves nowadays are one piece with 100% shutoff for the pilot flame gas and shutoff valve etc all in one valve. As the pressure inside the gas control and underneath the automatic valve diaphragm equalizes, spring pressure closes the second automatic valve to provide a second barrier to gas flow. TROUBLESHOOTING MILLIVOLT GAS VALVES Part # 023625 (natural) & 023624 (LP) TH TP TH TP MILLIVOLT CONTROL VALVE To check Resistance of the gas valve, connect one wire to the valve as shown. Slip the compression fitting over the tubing and slide out of the way. Maintenance frequency must be determined individually for each application. Always replace the cover screw after adjustment and tighten firmly to assure proper operation. 0000139215 00000 n Do I need a thermal expansion tank if I already have a pressure tank? Is it correct to use "the" before "materials used in making buildings are"? '', New members: Adding your location to your profile helps in many ways.--M--, valves" thread in the HVAC forum, someone wanted to know how a gas valve worked. Exposure to water, dirt, chemicals, and heat can damage the gas control and shut down the control system. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. 0000006677 00000 n Readings outside this range indicate the gas valve is defective and must be replaced. If the O-ring is not attached or is missing, do not use the flange. I am trying to diagnose a problem with an old furnace. If necessary, adjust the pressure regulator to match the appliance rating. 0000012806 00000 n hW[o8+ID:BZ(gENRCD'$( m;\{fgc3llFQl%|xI!>-88zzhb|AtJOr[b4-BFS! But it has been reliable for a long time. Proper gas valve adjustment can save your home from a devastating fire. I go over how it is Wired, wha. Install Piping to Gas ControlAll piping must comply with local codes and ordinances or with the National Fuel Gas Code (ANSI Z223.1 NFPA No. Failure to follow them could damage the product or cause a hazardous condition. Install thermostat, and other controls as required. Thus, the flow of gas through the second automatic valve is increased, and outlet pressure rises to the desired level.Slow-Opening Pressure Regulation (VR8200H and VR4200H); Delayed and Slow-opening Regulation (VR8200J)Slow-opening gas controls function the same as standard models except that when the thermostat calls for heat, the second automatic alve pens gradually.
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