We therefore include a set of definitions. Remove the igniter cable from the module connection. This smart, hot surface device was designed for a variety of OEM applications. When replacing the module, if the time you need is not available, go to the longer prepurge, never the shorter. 3. INTERMITTENT PILOT MODULES S8600, S8610, S8660, S8670 APPLICATION These ignition modules provide ignition sequence, flame monitoring and safety shutoff for intermittent pilot central furnaces and heating appliances. 800-253-4904 Troubleshooting an Intermittent Pilot (IP) Typically found in induced draft furnaces, an intermittent pilot ignites the burner gas with a high-voltage spark only when the thermostat calls for heat. Self-healing — (Special feature on some integrated fan controls.) If there is a white, powdery substance on the cable that is the result of ignition cable “outgassing,” replace the cable. Intermittent Pilot Ignition System System Overview & Troubleshooting Guide In order to troubleshoot any product it is important to understand the basic operation and functions of that product. I want to hear from you. G67 Intermittent Pilot Ignition Controls Technical Bulletin 9 4. Note: If the system is power vented, the vent motor should operate. Tell me how we can improve. (Note: Hold the igniter cable with insulated pliers and slowly move the connector on the igniter cable toward the high-voltage connection on the module, with the module energized. When you look at the wiring diagram for the equipment, if you see a symbol showing the use of a chassis ground (Figure 2), be careful that you have a good connection. These are things that techs should look at as preliminary checks before proceeding with troubleshooting … The resistance should be about 0.1 ohm. There are some commonly encountered issues with intermittent designs that you may be able to solve; however, some problems require the aid of a professional. Once the pilot is lit, and the main burner senses the pilot flame (using a flame sensing rod), the main burner ignites. He may be reached at 401-437-0557. (For more information, see article on “Circuit Troubleshooting: Use the Right Meter”; The News, April 9, 2001.). While it can often be relit easily, if the pilot light does go out it prevents the entire system from starting. Electronic Ignition Gas Furnace Problems and Troubleshooting. During this time, any residual products of combustion will be forced out of the chamber. The S8610U control provides ignition sequence, flame monitoring, and safety shutoff for intermittent pilot central The term ”intermittent” is used because the pilot burner flame is only present when the main … The ignition cable has electrical continuity, so use a continuity tester or the Ohms scale on a multimeter: From the ground (usually the green wire) terminal on the module, check for continuity to some portion of the boiler or furnace. 10-12 Reference Guide Pg. The term Intermittent is used because the pilot burner flame is only present when the main burner is operating. Intermittent Pilot (IP) In furnaces with intermittent plot systems, the pilot only ignites the burner gas when the thermostat calls for heat. The pilot light is near the main burner. The intermittent pilot ignition system on this unit uses a Robertshaw SP845 ignition control. Make sure you have a good connection. This version has a pilot light, which only lights on a call for heat. It is best to check on an unpainted, clean surface. When an electric signal is sent to the burner, a solenoid releases gas into the pilot and warms a heating element or emits a spark to ignite the gas. In turn the pilot flame lights the main burner gas. Response time — For a thermocouple, about 180 sec; for intermittent ignition systems, 0.8 sec. McElwain is the owner of Gas Appliance Service Training and Consulting, Warren, RI, which offers servicing and troubleshooting training for gas heat servicers. Tackling a faulty burner will require working with potentially dangerous electrical and gas systems. Always call a professional if you’re experiencing issues with your burner. The burner is then activated and warms the home. The system acts on a demand for heat by a switch or themostat to open the first operator in the combination gas control, supplying gas to the pilot burner and also ... END TROUBLESHOOTING CHECK VALVE “Why won’t my pilot stay lit?” If heating service techs have heard customers ask it once, they’ve heard it a hundred times. 18 Wiring Diagrams Pgs. The S8610U control provides ignition sequence, flame monitoring, and safety shutoff for intermittent pilot central Our first control module, the 2X Series, has direct spark or intermittent pilot and is still used in many of our customer’s equipment. When testing the power supply, make sure that the module runs on 24 V. Modern heating equipment is complex enough, so it’s necessary to keep transformer leads identified and properly wired: If connected wrong, the transformer can be burned out, because one side of the transformer is grounded somewhere in the control wiring. Let’s take a look at each type below. This next check is the beginning of your electrical checks and is best done at the secondary of the 24-V transformer. You should have continuity. From the module connection to the igniter cable, an arc should jump at least a 1/2-in. One of the first things to check when examining a unit’s ignition operation is the condition of the cable itself. Electronic ignition is usually standard on today’s furnaces, and you may be able to retrofit your existing furnace with electronic ignition. The control The pilot valve is inside the gas valve. Or, perhaps the spark happens but does not light the pilot. HHT Hearthville offers Sales and Product Knowledge Training modules as companions to this troubleshooting guide. Check from the tip of the igniter to the connector on the module with it disconnected from the module. Potential issues include: The Spruce uses cookies to provide you with a great user experience. All Rights Reserved BNP Media. The S8610U Universal Replacement Ignition Module is designed to provide easy field replacement of a wide range of intermittent pilot ignition modules manufactured by Honeywell, Robertshaw, Johnson and others. Intermittent pilots use electronic ignition systems to create heat. (Occurs only if ignition was not successful during the previous trial.). Use the manufacturer’s sequence of operation, connection wiring diagram, ladder diagram, and any trouble “trees” that are available, along with a good multimeter. Its emphasis is on control familiarization, wiring, troubleshooting, and replacement of controls. By closing this message or continuing to use our site, you agree to the use of cookies. BG1600M Intermittent Pilot Ignition Control Application The BG1600M Intermittent Pilot Ignition Control is a safety control designed for indirect burner ignition and supervision, for use with all gases and applicable to gas-fired appliances. The procedures outlined in this article are for checking out all systems that use an intermittent pilot. The following information will assist you through this process. Nuisance shutdowns or no operation at all can be caused by a poor ground or erratic ground (GND) connection. The second issue is the pilot light’s propensity for blowing out. Intermittent pilots use electronic ignition systems to create heat. If you do not, then the system could operate erratically or not at all. With this type of furnace, your ignition may not spark at all. For more information, call 401-437-0557. This symbol shows the use of a chassis ground. The BG1600M is a microprocessor based ignition … The burner and pilot shut off when the correct temperature is reached. The term Intermittent is used because the pilot burner flame is only present when the main burner is operating. Design, CMS, Hosting & Web Development :: ePublishing. The burner and pilot shut off when the correct temperature is reached. Continuity check from the tip of the igniter to the ground; in this case there should not be continuity. If it indicates the opposite, then the primary wiring needs to be corrected. 1. This technology monitors the performance of your ignition at all times, which not only guarantees performance, but can save you up to $10 per month on your energy bills. Copyright ©2021. Hydronic Controls (Oct. 30 — $150): Course covers aquastats, switching relays, combination relays, aquastat relays, zone valves, wiring diagrams, and step-by-step troubleshooting. Tim McElwain will present the following courses at his Training Center in Warren, RI. G G77x Intermittent Pilot Ignition Controls Technical Bulletin 3 The following definitions describe operating conditions: • Prepurge--Initial time delay between thermostat contact closure and trial for ignition. If you do not, replace the cable. Taking Hearthville The G67 initiates sparking at the pilot burner/spark igniter and opens the pilot valve. If the previous test showed continuity and this one does not, then the module is shorted. Figure 1. Lockout — At the end of a trial period, this safely shuts down all systems. Hot Surface Ignitors (HSI) Intermittent pilot electronic ignition systems are a battery powered electronic ignition system which include a remote. Go from the tip of the igniter to ground — this time you should not have continuity. S8610U UNIVERSAL INTERMITTENT PILOT GAS IGNITION CONTROL Troubleshooting Guide Refer to the following guide for troubleshooting the S8610U control module. You can check this by measuring the voltage from each transformer terminal to ground; 24 V = hot side (R); 0 V = ground side (C). The microprocessor provides reliable In order to narrow down what may be grounded, either the cable or something in the module, remove the cable from the module and check from the connector end to ground; if it shows continuity, the cable is grounded. (See sidebar, below.). Figure 2. Intermittent pilot ignition systems feature a control module/board to carry out the ignition system. 4 G600 Series Replacement Intermittent Pilot Ignition Controls Installation Instructions Setup and Adjustments Commissioning The anticipator setting is normally equal to the ignition system current draw, plus that of the pilot and main valve. Turn on power to the appliance and turn the thermostat to a high setting. By using The Spruce, you accept our, How to Troubleshoot Electric Ignition Furnace Problems, How to Light the Standing Pilot Light on a Gas Furnace, 8 Common Problems With Conventional Gas Furnaces, Troubleshooting an Electronic Ignition Furnace That Won't Light, How to Troubleshoot a Gas Furnace That Produces No Heat, How to Replace a Furnace Thermocouple or Electronic Flame Sensor, Troubleshooting Common Problems With a Gas-Fired Hot Water Boiler, How to Check a Pilot Light on a Gas Furnace, How to Relight a Gas Water Heater That Produces No Hot Water, Troubleshooting a Gas Oven That Won't Heat Up. When the main burner is off the pilot is also off. (Some of the checks can also be applied to direct spark ignition systems.) Please click here to continue without javascript.. Make sure it’s not touching any metal surfaces. If you do, it is shorted to ground at some point. The IntelliFire Plus IPI (intermittent pilot ignition) Ignition System and Wireless Con-trols is a total control system, from the components under the fireplace to the re-mote control in your hand. This would cause a no-spark or weak-spark condition. You should have continuity. S8600 and S8660 mod-els provide up to 1.0 A pilot and 1.0 A main valve current rating. 2. 3. If the system fails to light on the first try because of an open limit, before the second trial, the induced-draft blower and system fan will come on for 180 sec, then start the ignition sequence again. Intermittent pilot ignitions operate as follows, once the fire is turned on by the user an electronic signal first turns on the pilot light. The procedures outlined in this article are for checking out all systems that use an intermittent pilot. What is an IPI ignition system? Furthermore, the next most common problem for furnace troubleshooting that can occur is the flame sensor or flame rectifier. In order to understand the principles behind many of the checks, it is important for technicians to understand some of the terms that are used. Shutdown — This means that it will retry without having to interrupt power. Gas Furnace Spark Ignition Control Troubleshooting! - YouTube The burner is then activated and warms the home. The SureFire™ switch transitions the pilot light from Intermittent Pilot Ignition (IPI) to Continuous Pilot Ignition (CPI) mode. Interpurge — The 30-sec period between trials for ignition, when both the gas valve and igniter source turn off and the inducer is on, allowing unburned gas to escape before the next trial. All classes last from 8 a.m. to 4:30 p.m. and include a manual. In turn, the pilot flame lights the main burner gas. The BG1600M is a microprocessor based ignition control. Get daily tips and tricks for making your best home. Once all of these preliminary checks have been completed, then the electrical troubleshooting of the system can begin. A lack of power to your ignition can stem from a variety of issues, such as: Your pilot light ignites your burner and creates heat. Hotel listings are available. Soft lockout — If the burner fails to light after three tries, the system will shut down, wait 60 min (some systems could be longer, up to 3 hrs); it will then go through an ignition sequence again. The S8610U Module provides ignition sequence, flame monitoring, and safety shutoff for intermittent pilot central furnaces, residential The spark gap on most systems, from the tip of the igniter to the ground connection, is 1/8 in. Make sure the connections are clean and tight. (Some of the checks can also be applied to direct spark ignition systems.) Check visually to make sure there are no cracks or breaks in the ceramic; that the igniter cable is not dried out or cracked; and that the boot is in good condition. The spark should jump across the open gap.). Kozy Heat welcomes your questions while you are at the job site. Intermittent Pilot Gas Ignition Control Module is designed to provide easy field replacement of a wide range of intermittent pilot ignition modules manufactured by Honeywell, Robertshaw, Johnson Controls, and others. An intermittent pilot works by having a small gas line that is just for your system’s pilot light. Heat & Glo’s Intermittent Pilot Ignition (IPI) system, IntelliFire™, provides you with unparalleled safety and peace of mind. Gas issues are typically the cause of pilot light failure; common problems include: The burner provides heat to your home. If this check indicates that in fact “R” is 24 V and “C” is 0 V, then the primary polarity is correct. The “kanthal” sensing/spark rod should be cleaned with a soft, clean emery cloth. Visit our updated. System Basics IntelliFire Plus Troubleshooting The IntelliFire Plus IPI (intermittent pilot ignition) Ignition System and Wireless Con- trols is a total control system, from the components under the fireplace to the re- mote control in your hand. 1. Advanced Electric Ignition Systems (Nov. 13 — $150): Course covers power relay vented equipment, relay control centers, integrated furnace and boiler controls, and electronic fan timers. The Intellifire system (Intermittent Pilot Ignition) is an electronic system, which uses an electrode to ignite the pilot gas. When an electric signal is sent to the burner, a solenoid releases gas into the pilot and warms a heating element or emits a spark to ignite the gas. All connections should be clean, unpainted, and generally offer good metal-to-metal contact. Intermittent designs boost the efficiency of your home and present less danger in the case of a malfunction; however, intermittent pilots aren’t without problems. Ignition issues with your burner vary and are usually related to a larger electronic or gas problem. Sometimes, the pilot will light but not ignite the burner. This will repeat indefinitely. HHT Hearthville offers Sales and Product Knowledge Training modules as companions to this troubleshooting guide. By closing this message or continuing to use our site, you agree to the use of cookies. If you find this, the igniter should be replaced. gap. The definitions also include two important rules for replacement of existing controls. (See Figure 1.) On a call for heat, the ignition module or gas furnace circuit board opens the pilot valve. Intermittent Pilot. The mystery of intermittent ice production, Troubleshooting the Standing Pilot Safety System, Troubleshooting a flame rectification system. START: BEFORE TROUBLESHOOTING, FAMILIARIZE YOURSELF WITH THE NOTE: 24 VAC “CALL FOR HEAT” IS ALWAYS CONNECTED TO THE TH-W TERMINAL ON THE MODULE. STARTUP AND CHECKOUT PROCEDURES. Intermittent Pilot Gas Ignition Control Module is designed to provide easy field replacement of a wide range of intermittent pilot ignition modules manufactured by Honeywell, Robertshaw, Johnson Controls, and others. However, problems can arise that cause the Honeywell controller to malfunction. with no trouble at all. Intermittent Pilot. You must have JavaScript enabled to enjoy a limited number of articles over the next 30 days. After the great success of the 2X, our customers wanted a Hot Surface Ignition module, so we developed our Series 8X control module. Electric Ignition Systems (Nov. 6 — $150): Course covers intermittent ignition devices, flame conductivity, White-Rodgers cycle pilot, flame rectification, Honeywell and Robertshaw igniters, direct spark and hot surface systems, Fenwall and Johnson products, replacements, and “smart” valves. If the first ignition attempt fails during a normal heating cycle sequence, the control will activate a “self-healing” sequence over the temperature correction cycle before the next trial for ignition. A control module, like Honeywell's S8610U controller, attaches directly to the heating device, providing ignition sequencing for an efficient heater. — “C” on the transformer goes to 24 V (GND); — “C” is connected internally (in the module) to both burner GND and MV/PV. Intermittent Pilot Ignition | Electronic Ignition Gas Furnaces Types. Many checks are visual, or done with the power off and using an ohmmeter. Intermittent Pilot Ignition is an electronic system, which uses an electrode to ignite the pilot gas. This website requires certain cookies to work and uses other cookies to help you have the best experience. Under the definition of “time trial for ignition,” there is a rule for replacement that says, “You can replace a module with one with a lesser time”; the “prepurge” rule says that when replacing a module, you may go to a longer time; these two rules give some flexibility when replacing controls. BG1600M Intermittent Pilot Ignition Control with Rollout Switch Application The BG1600M Intermittent Pilot Ignition Control is a safety control designed for indirect burner ignition and supervision, for use with all gases and applicable to gas-fired appliances. When the main burner is off the pilot is also off.