Do not force the gas control knob. When the ow pressure regulator is fully open, the high-pressure regulator maintains the desired full-rate outlet pressure as described for the standard regulator.The step model requires approximately 60 seconds to reset once the main burner goes off. 0000016105 00000 n Stand clear while lighting the main burner to prevent injury caused by hidden gas leaks, which could cause flashbacks in the appliance vestibule. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The gas control knob must be held depressed or the thermocouple must be heated sufficiently to hold the safety control valve open.ON: Permits main burner and pilot gas flow. Turn the gas control knob to the "On" position if the main burner does not turn on when the thermostat or controller is adjusted to start the appliance. 44 0 obj <>stream And we already know that the t'stat + terminal is jumpered to the t'couple + terminal, and that the t'stat - terminal is jumpered to the limit switch + terminal. 0000013496 00000 n IF CHECKING GAS INPUT BY CLOCKING THE GAS METER: IF CHECKING GAS INPUT WITH A MANOMETER (PRESSURE GAUGE): The gas control outlet pressure should match the manifold pressure listed on the appliance nameplate. . Does that indicate more a gas valve problem or a thermopile generator/pilot flame problem? Tighten only 1/4 turn beyond finger tight to give good electrical continuity. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? . TABLE 8PRESSURE REGULATOR SPECIFICATION PRESSURES IN kPa. Helping You to Do It Yourself! Assure the main gas supply valve is open and the pilot gas supply line is purged of air. This material is proprietary to Honeywell Limited and shall not be reproduced, copied or used in any manner without prior written consent of . It only takes a minute to sign up. Tis the season. CHECK SAFETY SHUTDOWN PERFORMANCEWARNING!FIRE OR EXPLOSION HAZARDS CAN CAUSE PROPERTY DAMAGE, SEVERE INJURY, OR DEATH.Perform the safety shutdown test any time work is done on a gas system. on Honeywell VR8200, VR4200 Combination Gas Controls User Guide, Honeywell Humidity Controllers User Guide, Honeywell S8910U Universal Hot Surface Ignition Module User Manual. 0000044882 00000 n The gas valve part numbe read more Dont touch any electrical switch or use the phone. The pilot light is auto so when the thermostat calls for heat, a spark is sent to the ignition lighting up the pilot. Use new, properly reamed pipe free from chips. 7.). This makes it ideal for fireplace and space heating uses that are vent free. When the thermostat calls for eat, the first automatic valve and the second automatic valve operator are energized. This behaviour is consistent with what I have seen/heard when the Honeywell valves begin to fail. 6. Do not try to light any appliance. Troubleshooting the valve and looking for known common issues will give you peace of mind by ensuring the safe operation of your Honeywell appliance. Order number, SUPER TRADELINE or TRADELINE if desired. 0000016758 00000 n On LP gas installation, use compound resistant to LP gas. (supposedly so they could fix them :yes: ). 0000004711 00000 n The automatic pilot safety is separate from the gas cock and provides gas shut Off in case of pilot Outage. See Figs. Check the wiring between the thermocouple and the gas control valve operator. Maintenance frequency must be determined individually for each application. hb``Pc`` _Ps400! Do not force the gas control knob on the appliance. Do not overtighten. TABLE 5MAXIMUM LENGTH OF SUPPLEMENTARY LIMIT LEAD WIRES WHEN USING Q340A THERMOCOUPLE. Capacity rated at 130 feet 3 /hour at 1-inch WC pressure drop [3.7 m 3 /hr at 0.25 kPa]. Ensure the installer is a trained, experienced service technician. Wait five minutes to allow any gas in the combustion chamber to vent. Assure thermocouple connection to the power unit is tightened 1/4 turn beyond finger tight. 0000034510 00000 n 0000003485 00000 n Allow the appliance to run through one complete cycle to ensure that the controls are functioning in the correct manner. 0000016504 00000 n Lv 4. Place one meter lead to soldered point on back of valve and one to ground. They require the use of a 750 mv Powerpile generator (thermopile). I show you how to Light the Pil. This diverts gas flow from the automatic valve diaphragm and causes a reduction of pressure on the underside of this diaphragm. 0000017061 00000 n If necessary, adjust the pressure regulator to match the appliance rating. Installation of Logs and Lava Rock Material. This product was the perfect replacement for the Honeywell thermopile in a circa 1975 gas fireplace unit. Terminal block color-coded beige.THERMOSTAT HEAT ANTICIPATOR SETTING:VR4200: 0.1AVR8200: 0.5ATYPE OF GAS: VR8200 and VR4200 set up for naturalgas includes a 393691 LP Conversion Kit. 0000010110 00000 n 2, 3 and 11, 12. Check the pilot burner flame adjustment. Determine if the pilot burner requires a thermocouple with a push-in clip or attachment nut, and attach the correct adapter to the. Some tips regarding the Honeywell Millivolt valve: Always ensure the switch is in the off position when lighting the pilot. 0000066936 00000 n Do not remove the existing window frame assembly. Use only glass approved by Vermont Castings, Majestic Products on this fireplace. 9. If something is wrong with the internal components of the gas valve, the gas valve should be replaced. 0000060689 00000 n Thanks for that well-descriptive tips. Intermittent use. 1/4-inch male quick-connect terminals for electrical connections. Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? 0000049228 00000 n 0000001317 00000 n We might be able to do something about it. GAS CONTROL KNOB SETTINGSThe gas control knob has three settings:OFF: Prevents pilot and main burner gas flow.PILOT: Permits pilot gas flow only. 00. TABLE 6MAXIMUM LENGTH OF SUPPLEMENTARY LIMIT LEADWIRES WHEN USING Q309A THERMOCOUPLE. 46 0 obj <>stream For the VR4200, make sure the conduit cover is in position and secured to the gas valve with the screw provided. 0000002201 00000 n You are using an out of date browser. So in short, I get heat both times of the day for say an hour and it just sits idle with the pilot lit. The gas control must be manually reset. 0000068133 00000 n If an adapter is used, place the wrench on the adapter rather than on gas control. Also found in certain gas space heaters and construction-site portable heaters. If the appliance is a hot water heater but it's not firing up, the thermopile might be weak. Seems my new millvolt gas valve turns off PILOT and MAIN BURNERS. a. Attempt to light pilot burner flame following procedures in the Light the Pilot Burner Flame section. Set thermostat to the desired temperature. 0000126162 00000 n The VR8200 Continuous Pilot Dual Automatic Valve Combination Gas Controls are used in gas-fired, standing pilot appliances. 0000039877 00000 n When the pilot goes out or becomes too small to sustain normal ignition. Resistance between the THTP & TH terminals must be 11.5 W0.2 W 2. The ON position allows pilot burner and main burner gas low under control of the thermostat and the two automatic valves. A. Thermocouple-Only: Found in: Most gas log sets with standard safety pilot knob control. To learn more, see our tips on writing great answers. Proper gas valve adjustment can save your home from a devastating fire. Your system is quite old and somewhat unsafe, in that the pilot comes off ahead of the safety valve. The screw to adjust the pilot gas is a needle valve. Gas valves nowadays are one piece with 100% shutoff for the pilot flame gas and shutoff valve etc all in one valve. If you'd like to support the site, please allow ads. 0000137823 00000 n 0000043015 00000 n The power unit drops out, closing the safety valve and stopping all gas flow through the control.With the loss of outlet pressure, the second automatic valve closes and is held closed by spring pressure on the diaphragm. 0000098789 00000 n I show you how to Light the Pilot and Power the Main Burner! MILLIVOLT SYSTEMS Millivolt systems provide their own power, so do not require outside battery power or line voltage to operate. xref The main burner should go off and the pilot should remain lit. 0000004421 00000 n 0000002119 00000 n Mount the gas control 0-90 degrees, in any direction, from the upright position of the gas control knob, including vertically. I recommend you call a heating expert. 2). The minimumregulated capacity is 40 feet 3 /hour for propane. Do not exceed the input rating stamped on the appliance nameplate or manufacturer-recommended burner orifice pressure for the size orifice(s) used. The servo pressure regulator monitors outlet pressure to provide n even the main burner gas flow. When the pilot remains lit, turn the gas control knob counterclockwise. For the battery test above only connect the battery for a second or two just to see if the gas valve works. 0000023567 00000 n 400 millivolts across the generator loadedcurrent flowing through the switches and valvesis about right. Making statements based on opinion; back them up with references or personal experience. For push-in clip-type pilot burners: From beneath, insert the tip of the Q340 into the hole or barrel of the pilot burner. 0000003696 00000 n For the VR4200, when the gas control is installed external to the appliance, install the conduit cover on the conduit fitting. Works with the majority of millivolt gas valves; Push-in clip for easy installation included; . Therefore, this unit may not exactly match the listed specifications. 2 and 3. I would not work on it, without completely replaceing the gas control system, and the furnace may not be worth that expense. . If the inlet pressure is in the normal range (refer to Table 7 or 8), replace the existing gas control. But it has been reliable for a long time. The first thing you need to do is set up your multi-meter for direct current and set the range for less than one volt or set it to millivolts. Thread pipe into gas control. Step-Opening Pressure Regulation (VR8200C,P andVR4200P)Step-opening gas controls actually combine two pressure regulators, one for the low pressure and one for the full-rate pressure. It may not display this or other websites correctly. If either of the switches is bad, no go. Circuit Millivolt Check Symptom - Intermittent shutdown or main burner will not light with on/off switch. Refer to Table 7 or 8 for the factory-set nominal outlet pressures and adjustment ranges. Release button; the pilot should remain lit. It must measure at least 19.5VAC with the igniter powered. 0000011989 00000 n A bad gas valve in a Honeywell appliance such as a water heater or furnace that is powered by natural gas can go bad and affect the performance of the unit. 0000013008 00000 n 0000007879 00000 n CHECK AND ADJUST GAS INPUT TO THE MAIN BURNER, Standard-Opening and Slow-Opening Pressure Regulator, Step-Opening Pressure Regulator and Delayed and Step-Opening Pressure Regulator. Do not touch any electrical switch or use the phone. Set your voltmeter for the proper voltage that is, above 24 volts. A1/{;_Fe o(*=`. [10 to 13 mm] of the thermocouple tip. Contact your Honeywell sales representative to request a gas valve with corrosion-resistant construction. Never use any tools. 0000017288 00000 n The Honeywell Home trademark is used under license from Honeywell International Inc. . wc [1.8 kPa] inlet pressure and 3.5 in. Mutually exclusive execution using std::atomic? 0000055329 00000 n Repeat after allowing the main burner to cool. If you have additional questions, need further information, or would like to comment on our products or services, please write or phone: BODY PATTERN: Straight-through with 1/2 inch inlet and 1/2 inch outlet. Standard-, slow- and step-opening models available. 12Wiring connections for 120-volt control. 0000042992 00000 n 0000034533 00000 n 0000028651 00000 n Use conversion factors in Table 2 to convert to capacities for other gases. Jimbo, Thanks for that tip. The low-pressureregulator maintains outlet pressure at the preset step rate for several seconds. At least having yours done professionally would appear to put you in a position of a tax deduction for repairing it. Pilot gas flows through a port in the ushing around the reset button shaft to the pilot burner. 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. Remove seals over gas control inlet and outlet if necessary. 0000023590 00000 n Force or attempted repair can result in fire or explosion. I would recommend replacing all the wiring and controls and the pilot generator. Such heavy cycling wears out the gas control in one to two years. As with the millivolt system, you'll be testing a series of components to locate the faulty part. See Fig. Tech Guru. Replace the thermocouple if voltages are outside the acceptable range. Turn off the gas supply valve to your appliance to test whether your valve is capable of shutting down properly. 0000002189 00000 n SIT 822 Valve with a Honeywell Electronic Igniter NOTE: Remove glass before servicing. Adjust the thermostat several degrees higher than your current room temperature. *If higher than 35mv check connections and switch. The gas control is likely to have operated for more than 200,000 cycles. If the pilot flame has gone out, follow these instructions exactly: TO TURN OFF THE APPLIANCEVACATION SHUTDOWN: Turn gas control knob clockwise from ON to PILOT. With the main burner in operation, paint all pipe joints (including adapters) and gas control inlet and outlet with rich soap and water solution. Good info, thanks! 0000072700 00000 n hW[o8+ID:BZ(gENRCD'$( m;\{fgc3llFQl%|xI!>-88zzhb|AtJOr[b4-BFS! 0000012806 00000 n Ever notice how civil DIY'ers are, generally? WIRINGFollow the wiring instructions furnished by the appliance manufacturer, if available, or use the general instructions provided below. Use a wrench on the square ends of the gas control. Avoid locating gas control where exposure to corrosive chemical fumes or dripping water are likely. Zero clearance sleeve is required only for combustible walls. See Fig. Taps are 1/8 inch NPT with a plug containing recess for 3/16 inch Allen wrench.PRESSURE RATING: A.G.A. Loss of pilot flame or flame too small to reliably light the main burner closes the safety shutoff valve and the second automatic valve. 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. Check the transformer. If another gas leak is detected, tighten adapter screws, joints, and pipe connections. 0000017038 00000 n The gas control knob is hard to turn or push down, or it fails to pop back up when released. Your Purchases through Amazon provide a means for channels such as mine to earn advertising fees from any purchases after clicking through. 15. I forgot to mention that I got the main burner to light on 2 occassions by tapping on either the gas pipe before the main shutoff valve, or on the honeywell gas millivolt valve itself. 0000028639 00000 n Extinguish pilot flame. Below are my tests: 0000004689 00000 n 0000013473 00000 n Why are physically impossible and logically impossible concepts considered separate in terms of probability? I think I've had a service call on every millivolt system in my rentals.----I am debugging a Monessen millivolt gas valve. The pilot stays lit fine and the thermopile generates about 360 millivolts, and there's no problem at the thermostat (checked voltage and shorting past it), but the main valve no longer opens. 0000015431 00000 n Zero clearance sleeve is only required for combustible walls. Inlet and outlet pressure taps included; both taps accessible from the top of gas control. If you then smell gas in the appliance area or near the floor in an LP installation, immediately shut off the manual valve in the gas piping to the appliance or, with LP, shut off at the tank. 0000008826 00000 n If pilot burner flame still goes out, measure the open and closed thermocouple output voltage. 2 or 3) clockwise. Install ThermocoupleThe Q340A Thermocouple (with adapters) is provided with SUPER TRADELINE models of the VR8200A. When the thermostat calls for heat, the first automatic valve and the second automatic valve operator open. Gas valves are not serviceable; the following are simple troubleshooting and description of how gas valves operate. wc [0.9 kPa] outlet pressure). Solenoid-operated first automatic valve opens on thermostat call for heat and closes when the call for heat ends. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. VR8200 for use with 24 Vac heating appliances and VR4200 for use with 120 . WARNINGFIRE OR EXPLOSION HAZARDS CAN CAUSE PROPERTY DAMAGE, SEVERE INJURY, OR DEATH. The generator, heated by the pilot burner flame, pro- . You can test the rest of the system by temporarily replacing the generator with a 1.5 volt standard flashlight battery. I would recommend replacing all the wiring and controls and the pilot generator. Turn the gas control knob counterclockwise. 0000011836 00000 n A normal reading will be in the range of 145 to 195 millivolts. . The second automatic valve operator is de- energized, closing the channel to the pressure regulator, and opening a channel to the underside of the second automatic valve diaphragm. In the "Resources for understanding gas valves" thread in the HVAC forum, someone wanted to know how a gas valve worked. Force or attempted repair may result in fire or explosion. 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! For use in standing pilot appliances. Straight-through body pattern; right-angle adapters available for inlet and outlet. Open the manual gas switch if the gas valve fails to operate and look to see if gas is flowing to the main burner or pilot. It looks like you're using an ad blocker. Bubbles indicate a gas leak. A stuck valve could release gas into the air without regulation or the valve could cause the unit not to fire up at all. If the inlet pressure is in the normal range (refer to Table 7 or 8), replace the gas control. d7Pq~XxqJea6`^ Ys4Y/{ Follow these warnings exactly: CAUTIONNever apply a jumper across or short the valve coil terminals. 0 With the . PRESSURE TAPPING: Inlet and outlet pressure taps accessible from the top of gas control. Use only your hand to push down the reset button or turn the gas control knob. I'll show you how to troubleshoot and diagnose the problem with your water heater and Honeywell gas val. All adjustments, wiring connections, and pilot outlets are accessible from the top of the gas control. Assure the gas control knob is in the ON position. Read these instructions carefully. 0000027628 00000 n In many such applications, particularly commercial cooking, the equipment operates 100,000-200,000 cycles per year. There is a heat anticipator coil in there which limits current to the valve, and shorting that out can damage the valve. Push and hold down the red reset button (Figs. JavaScript is disabled. 0000019920 00000 n When the gas control knob is manually turned to OFF. 0000002780 00000 n 0000015409 00000 n SAFETY SHUTOFF OPERATIONIn the safety shutoff position, pilot and main burner gas flow is permitted.Safety shutoff occurs: Gas Control Knob Turned to OFFWhen the gas control knob is turned to OFF, it pulls up and locks the reset button, and closes the first automatic valve. Remove the thermopile wiring connector from the gas control. 2. 0000001116 00000 n I go over how it is Wired, wha. Push in firmly to lock in place. The best answers are voted up and rise to the top, Not the answer you're looking for? Disconnect power supply before wiring to prevent electrical shock or equipment damage. Readings outside this range indicate the gas valve is defective and must be replaced. There must be two terminals in this connector block that powers the gas valve coil. Appliances that may cycle 120,000 times annually should be checked monthly. rating 1/2 psi [3.5 kPa] inlet pressure.PRESSURE REGULATION: See Table 1. If it is re-energized within 60 seconds, it may bypass or shorten the length of the low-pressure step. 0000006677 00000 n 0000003581 00000 n 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 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. Refer to Fig. http://www.robertshawtstats.com/spaw2/SiteContent/Files/faq/ControlTips-MillivoltSystems.pdf, http://en.wikipedia.org/wiki/American_wire_gauge, http://americanhvacparts.com/Merchantegory_Code=GV, http://americanhvacparts.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=GSV820A1047A&Category_Code=GV, http://en.wikipedia.org/wiki/Node_(circuits, http://www.emersonclimate.com/en-US/products/valves/Documents/0037-6264.pdf. Run pipe or tubing to the gas control. ECO connector included with some models: also available as an accessory. 0000016980 00000 n Thermopile readings: With all wires connected, with the pilot on and burners off, the thermopile reading at the TP & THTP terminals should be ~325mV.

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