Series 2 Originally, it was a small plumbing and heating house. Take the following special precautions when installing the boiler in a residential garage. Weil-mclain gas boiler service and maintenance instructions (12 pages) Boiler Weil-McLain CG Series 11 Owner's Manual. Brand: Weil-McLain (6)-+ $33.48 each ADD TO CART. Verify proper boiler circulator speed setting in the control module. Fouled, worn, bent, or faulty igniter. Have qualified service technician delimit or replace coil. condensing boilers-combi and heating only models (132 pages), Series 3 oil-fired water boilers (12 pages), Gold series oil-fired water boilers (44 pages), Oil-fired natural draft water boiler (32 pages), Weil-mclain oil-fired boiler manual (23 pages), Weil-mclain oil-fired boiler instruction manual (12 pages), Manual will be automatically added to "My Manuals", Commonwealth of Massachusetts Installations, DIRECT VENT - Sidewall with W-M Vent/Air Plate, DIRECT VENT - Sidewall with Separate Pipes, DIRECT VENT - Vertical with Separate Pipes, Concentric Termination, Typical (Sidewall or Vertical), Vent and Air Piping and Boiler Connections, Weil-McLain WM97+ User's Information Manual, Boiler Weil-McLain WM97+ Brochure & Specs, Boiler Weil-McLain FLAME GUARDIAN WMBC-1A Control Supplement, Boiler Weil-McLain Aqua Balance WMB-155 Manual, Boiler Weil-McLain WTGO Installation And Start-Up Manual, Boiler Weil-McLain WGO Maintenance & Service Manual, Boiler Weil-McLain AFG Instruction Manual, Page 18: Commonwealth Of Massachusetts Installations, Page 21: Direct Vent - Sidewall With W-M Vent/Air Plate, Page 23: Direct Vent - Sidewall With Separate Pipes, Page 25: Direct Vent - Sidewall Concentric, Page 27: Direct Vent - Vertical With Separate Pipes, Page 29: Direct Vent - Vertical Concentric, Page 31: Concentric Termination, Typical (Sidewall Or Vertical), Page 32: Vent And Air Piping And Boiler Connections, Page 36: Verify The Application Will Work, Page 50: Express Setup - Using Default Settings, Page 67: Maintenance, Date And Time Menus, Page 75: Annual Startup And General Maintenance, Page 106: Installation And Service Certificate, Page 107: Wm97+ Gas Boiler Data Collection Sheet. Also for: Slimfit sf1000l, Slimfit sf1500l, Slimfit sf2000l, Slimfit sf1000r, Slimfit sf1500r, Slimfit sf2000r. Visual inspection of flue ways will often will not be able to diagnose condition. In the next section are Weil McLain boiler troubleshooting tips the pros use to determine verify what is wrong. The control module has detected a problem with it gas valve output circuit, Control will do automatic retry; lockout if retry unsuccessful; retry 1 hour after lockout â restart if condition cleared, but lockout permanently if condition still present. Repair/replace if necessary. Fouled igniters can be cleaned for additional use with fine grit sand paper or steel wool. Verify water pipe is installed correctly per instructions in this manual. View and Download Weil-McLain GOLD CGI 2 SERIES manual online. Expansion tank sized too small or water-logged. given. Frequent release of water through relief valve. Gas-fired Water boiler Series 1 & 2. (Bleaches, cleaners, chemicals, sprays, fabric softeners, paint remover, etc.). Call qualified service technician to check expansion tank operation. Our photo (left) shows how you may spot the copper tubing of the thermocouple extending between its sensor at the pilot flame of a gas burning furnace and its connection to the gas control valve. GOLD CGI 2 SERIES boiler pdf manual download. Replace the fuse with proper part. If flame continues after shutdown replace gas valve and venture. People often write us to ask questions about their boilers and other products, so today we will take a more in-depth look at this company in our Weil-McLain boiler review.Those who have read our articles before know that we are a U.S. Veteran-Owned heating and … Manual limit fault must be reset by choosing Reset Lockout on the display. It offers a wide range of boilers. On 2020-03-01 - by (mod) - Charles that sounds to me as if the system is turning off because of a safety control such as a sensor that detects a poor burner flame. Thank you for your reply. 28 Flame inspection window Check for flame at burner via flame current with burner off. pH should be maintained between 7.0 to 8.5. Boiler went through 5 ignition attempts and never detected flame. To get rated output, set low limit at 200 °F. Then turn power on to boiler. Is the WM97+'s ON/OFF POWER SWITCH located on top of the boiler, Check for 120 volts at the line voltage terminal block located inside the top left electrical compartment. Main Flame Sensor for White Rodgers 50E47-871 for HE & VHE Boilers 511-330-192 Main Flame Sensor for White Rodgers 50E47-871 for HE & VHE Boilers SKU : 511-330-192 Brand : Weil-McLain It is equipped with the Ultra control module, due to which the target outlet water temperature is increased without your intrusion in case a call for heat lasts longer than 10 minutes. ⢠Disconnect thermostat wires at boiler. Check all valves to and from boiler. Turn boiler off and watch flame through observation port. When I connected the igniter rod, the flame signal went to zero, then I disconnected the multimeter and the reading will stay at 0 and the boiler will start fine. response from well mclain The control is governed by timing. Check for 24V output of transformer. This causes a spark (from electrode to ground). In addition inspect heat exchanger combustion chamber and flue ways for abnormal wear or buildup. Weil McLain Boilers – Common Issues. If 120Vac power at blower motor and it doesn't start replace blower. Check condensate trap for blockage allowing condensate to accumulate inside heat exchanger. SKU: 383-500-055. Also check for loose wiring connections. Below you will find boiler Mclain-Weil, troubleshooting system in the form of a table. Replace if necessary. Locate thermostat on inner wall away from heat sources or cool drafts. Domestic water from tankless heater is hot then suddenly turns cold. Limit can be adjusted to meet system hot water requirements. gas-fired water boilers (144 pages), Gas–fired boiler flame guardian wmbc-1a rm7895c controller electronic pilot system (11 pages), Aquabalance
Follow procedure for above for SHORT and OPEN sensor conditions to properly diagnose sensor. [Click to enlarge] Check 3-amp low voltage fuse on control module shown. Cycle power off and on using boiler power switch and check for operation. Automatically resets after 30 second delay or using manual reset on display. Automatically resets when condition no longer exists. It seemed like if I sanded the flame sensor the system would work for a week or so. Follow procedure in maintenance section of this manual to clean burner and heat exchanger using flue cleaning tool and rinse method. It must prove flame within 6 seconds or it shuts down and retrys. Inspect flame and conduct combustion test. Adjust within limits on rating label. Replace if necessary. Reset using manual reset screen on display. If boiler still does not fire, replace the control module. Unplug connection at blower and at control module and check continuity between ends. Some radiators or baseboard units do not heat or are noisy. ( pages). Have qualified service technician raise tankless control setting. Free appliance repair help, parts and troubleshooting advice for nonprofessionals. Will automatically reset if the condition clears. Commercial Condensing Gas-fired water boilers. Adjust heat anticipator to match current draw. Check for continuity on the wire harness from the display to the control module. This category contains a variety of boiler parts manufactured and/or carried by Weil McLain, matching your specific model boilers. Provide outside air for combustion. Determine which sensors are suspect and measure their resistance value. Condensation of combustion gases in boiler sections. Boiler Weil-McLain FLAME GUARDIAN WMBC-1A Control Supplement. Check for loose connections and proper pin alignment/ engagement on the control module's plug P9 and the back of the display circuit board. combination boiler – heating and domestic hot water (100 pages), Wall mount gas-fired
No Heat At All A burned-out thermocouple is the top cause of a Weil McLain boiler not responding to the thermostat’s call for heat. Automatically resets after 1 hour or can be reset by performing manual reset on boiler. Check ignition cable connection. Have qualified service technician install flow check valve set to rating of tanldess heater. Inspect wiring and high voltage terminal strip for defects. Occurs when flame is detected when there should be no flame. Manual reset is required if the temperature rises above 225°F. If the problem persists after above steps, replace the control module. This circulator must be installed to push water through the boiler's return pipe. This is normal unless the sensors were installed. Rapid cycling â burner turns on and off frequently. Check for low water condition in system. Remove sources of hydrocarbons in or near boiler area. Brand: Weil-McLain … If not, check external line switch and fuse or breaker. I have Weil-McLain Series 9 Boiler, the pump turns on when the thermosat sends signal but it does not ignight. Check ignition cable resistance. Verify water pipe is installed correctly. Unplug connection at sensor and at control module and check continuity between ends. Verify proper circulator and speed for boiler size and system requirements. 26ket door latchesJac 27 Ignition electrode/flame sensor The burner flame is ignited by applying a high voltage to the ignition electrode. Force boiler into hi-fire. Occurs wtien flue temperature sensor exceeds 216°F, Automatic reset occurs if temperature drops below 216°F for 2.5 minutes. Requires manual reset if control is in lockout. Are room thermostat and DHW aquastat satisfied? This manual must only be used by a qualified heating installer/service technician. Weil-mclain high efficiency gas boiler for water or steam owner's manual (4 pages). To extend the life of your Weil McLain boiler, read its owner's manual thoroughly and abide by proper operating procedure. Is there 120 Volts at the service switch? View and Download Weil-McLain SlimFit manual online. Heat anticipator in thermostat adjusted incorrectly. Retry. Verify proper circulator sizing for boiler size and system requirements. I have recently expanded the boilers use to includ … read more Spill Switch w/ Man. I can how ever start it with a lighter. Check wire harness for loose connections and pin engagement at blower connections, chassis mount connection through control housing, and control module. CGa Series 2 Gas-Fired Water Boiler — Boiler Manual a supply to The factory- installed circulator wiring harness .. See Wiring diagram to connect wires. In some cases, deposits will be too heavy to remove with de-liming procedures. Both their gas- and oil-fired boilers are designed to be easy to use and provide consistent heat for years to come. Don't keep pressing the re-set button on the burner. This boiler has had problems with the burners lighting properly for the last 12 years when it was installed. Weil McLain sells a variety of boilers for residential use. Manual reset of control module if contacts are open longer than 5 seconds. Last digits show 2 or 3-digit number (boiler outlet water temperature). Weil-McLain ULTRA ULTRA-105 is a gas-fired water boiler with a summer/winter switch feature. Have qualified service technician remove and clean coil and drain, and flush boiler to remove stop-leak. It has a 6 minute retry and would keep trying to light unsuccessfully. Originally, it was a small plumbing and heating house. If fuse blows again recheck wiring per diagram. Igniter rods should be parallel with a 35mm (0.138in) spark gap. Occurs when manual or automatic esetl imitop ens. Keep pH of water between 7.0 to 8.5. The control module may have lost flame signal â if so, boiler should restart. Is 120 vac present at terminals 1 and 2 of line voltage terminal strip? Unplugging the low voltage blower wire harness will not allow or cause the boiler to rotate. Inspect vent system for abnormal wear or damage. Ensure a jumper is installed across the MAN LIMIT terminals if not using a manual reset external limit. Remove power wiring to circulator(s) at boiler terminal strip. Click on any Weil-McLain logo to go to the Contents page. Have qualified service technician pipe-up kit. Makeup water can cause mineral deposits which, in turn, can cause boiler section failure. 181 Weil-McLain Boiler Manuals and User Guides (418 Models) were found in All-Guides Database. If measured resistance values of sensors convert to temperatures separated by more than 10°F replace the sensor. If the boiler is located in a residential garage, per ANSI Z223.1: • Mount the boiler a minimum of 18 inches above the fl oorof the garage to assure the burner and ignition devices will be … Set limit according to system needs. Have qualified service technician check for leaks in boiler or piping at once. Weil-McLain Boiler: List of Devices # Model ... Weil-McLain Boiler FLAME GUARDIAN WMBC-1A Weil-McLain Boiler Control supplement (11 pages) Weil-McLain Boiler … Occurs when display communications out for 30 seconds. Return to proper setting. Popping or percolating noise heard in boiler, Mineral deposits in sections due to constant use of makeup water. Last two digits show code number. If the boiler water temperature is NOT above parameter 4, the control may have lost flame signal. The Weil-McLain Evergreen Gas Boiler is a workhorse of the Weil-McLain catalog. Call qualified service technician to check expansion tank operation and size. The internal boiler circulator can be configured to turn on or off with DHW and heating zones. If problem persists, replace control module. I have a Weil-McLain ECO 70 boiler. ... Return/Supply Sensor Kit for Ultra Gas Boilers (Size 310) 383-500-300 Return/Supply Sensor Kit for Ultra Gas Boilers (Size 310) SKU: 383-500-300. Perform steps in the order. If BLOWER SPEED is not 0 RPM then replace blower. Metal flakes found in vent outlet or vent starter tee â flue way corrosion. Check service switch and/or circuit breaker to boiler turned is on. flame safeguard control energizes the main flame circuit allowing the main burners to ignite at low fire. Display flashes 9, then b. Turn power off to boiler. If lockout reoccurs replace control module. on boiler.. Maximum setting 220° F. Have qualified service technician repair leaks at once to avoid constant use of makeup water. The company sees its mission in the design and manufacture of comfortable equipment and maintaining a leading position in the market. Heat anticipator in thermo- stat adjusted incorrectly. Verify all isolation valves are open and circulators are programmed into the control module properly. Follow procedure for above for SHORT and OPEN sensor conditions to properly diagnose sensor. Check for a loose connection at the index plug on the control and connection on the back of the display. Is there an external safety device connected? Have qualified service technician increase limit setting to decrease cycling. After ignition, the electrode measures flame sig-nal. Weil-McLain tankless heaters are rated at 200 °F boiler water temperature. Have qualified service technician repair leaks to eliminate need for constant makeup water. 95% … Blower unable to reach required speed or does not reach 0 RPM when turned off. If this are not being used they will always be shown as OPEN. Nothing is shown in display screen and no other boiler components are operating. If desired, you may disable the space heating circulator during the warmer time of the year. Failure to comply could result in severe personal injury, death or substantial property damage. Have qualified service technician adjust limit to higher setting. Replace fuse with proper part. Call qualified service technician to de-lime boiler, if necessary. Water boiler — Series 3 GV Boiler manual • Installation • Start-Up • Maintenance Parts This manual must only be used by a qualified heating installer/ service technician . Thermostat installed where drafts or heat affect reading. Maximum setting is 220* F. Increase limit setting to decrease cycling. Verify proper flow direction of the boiler circulator. I have been using it exclusively for 2.5 years for DHW paired with a Weil-McLain Aqua Plus Indirect Water Heater. Burner may be operating too hot due to incorrect combustion. Have qualified service technician check expansion tank operation. Dirty burner and/or heat exchanger will cause high back pressure and poor ignition. Incorrect mixing valve setting for tankless heater. Occurs written internal low water cutoff contacts open, Automatic reset occurs if contacts are open at least one second, but less than 5 seconds. Check wire harness for loose connections and pin engagement at sensor connection, chassis mount connection through control housing, and the control module. Have qualified service technician repair leaks at once to avoid constant use of makeup water. Manual reset is necessary after 5 automatic resets have occurred during the same Priority heat demand. This category consists of boiler parts manufactured by Weil McLain for Weil McLain's Ultra Gas boiler model. Flame signal (DC volts from low voltage terminal strip terminal 9 to ground) should be at least 4 VDC. 1. Occurs wtien a temperature sensor has electrically shorted (SHORT) or has become disconnected (OPEN). Troubleshoot and correct the power supply to the senesce switch. Frequent release of water through relief valve. Popping or percolating noise heard in boiler. Modulating Condensing Boiler with 10:1 Turndown. Does display intermittently show 0 for outlet water temperature? The circulator pump starts and runs fine. Boiler should start. Hi, my weil mclain natural gas boiler is doing the following when thrmostat calls for heat: it starts normally, electric ignition, runs for 2-3 seconds at most, shuts off, then reignites, runs 2-3 seconds, shuts off again and keeps repeating the process over and over. Have qualified service technician repair leaks at once to avoid constant use of makeup water and check pH (between 7.0 and 8.5). Check for leaks in boiler or piping. Now the company is a leading developer and manufacturer of heating systems. If 120Vac is not present at control module when boiler is powered replace control module. Boiler Weil-McLain ECO 70 Manual. Reset 240°F for CG, CGA, CGx Boilers SKU : 510-300-014 Brand : Weil-McLain Weil-McLain Boiler Manuals. Replace the FI fuse. One of the things that I have always admired about Weil - McLain products is that they are sturdy and well made. Adjust thermostat per manufacturer's instructions. Verify FLAME SIGNAL value quickly goes to zero on the DIAGNOSTICS - INPUTS screen when the gas valve closes. Correct wiring per wiring diagram including connection of transformer to the control module. Worn or badly fouled igniters should be replaced with the proper repair part. Outdoor reset kit - temperature sensor (wired version part #383-500-126, wireless version part #386-701-047) Weil-McLain five- and ten-year homeowner protection plan Weil-McLain indirect-fired water heaters LIMITED TRANSFERABLE WARRANTY: Residential: 20 Years Heat Exchanger; 2 Years Parts Commercial: 10 Years Heat Exchanger; OUTDOOR TEMP is the optional outdoor air temperature sensor. Install on inside. Check transformer connection to the control module per wiring diagram. Remove the top right electrical cover and inspect the connector. Is room thermostat or DHW calling for heat, but boiler is not firing? Occurs when a return water temperature rs greater than the corresponding supply temperature by 10°F or more. Replace the ignition electrode and wiring if necessary. If the blower continues to run after checking step 2, above, turn power off to the boiler. Have qualified service technician repair at once. Call qualified service technician to check pH level and correct. Gas-fired water boiler multiple-boiler systems with weil-mclain easy-fit piping (16 pages) Boiler Weil-McLain CG Series 10 Service Maintenance Manual. Display first digit shows 0 and last digits show 2 or 3-digit number (boiler outlet water temperature). The gas valve and Flame sensor have were replaced … read more Boiler stop-leak compound has been added to boiler wa- ter and is insulating outside of coil. Nothing is shown on display screen, but boiler is operating. Reset 240°F for CG, CGA, CGx Boilers 510-300-014 Spill Switch w/ Man. Rapid cycling â boiler turns on and off frequently, Thermostat installed where drafts or heat affect reading. NOTICE: The blower will not rotate without a low voltage signal. Display first digit shows a number from 1 to 8. Some radiators or baseboard units do not heat or are noisy. Have qualified service technician adjust mixing valve setting. … Nothing shown on display screen and boiler will not respond to call for heat. SlimFit boiler pdf manual download. If problem persists after checking items above replace control module. Follow procedure in Ultra Boiler manual to check ignition electrode wiring and inspect and clean the ignition electrode. The front door is sealed to the boiler assembly around its entire perimeter. If low water condition does not exist, check Diagnostics - Inputs screen to view status of Low Water Cutoff. If shown as OPEN check wiring between LWCO and control module. Reset using manual reset screen on display; control module will check again after 1 hour and will automatically restart if condition is corrected. Then retry. Then the igniter glows for about 20 seconds. If fuse blows again recheck wiring per diagram. Incorrect setting on tankless heater control. Turn up thermostat or aquastat. Yes, I do have a system which using a combined igniter. The company sees its mission in the design and manufacture of comfortable equipment and maintaining a leading position in the market. Have qualified service technician repair at once. Changing the filter and nozzle on the old Weil McLain boiler. If the resistance values are incorrect replace the temperature sensor. Typically the thermocouple sensor is mounted right in the flame of the pilot light on gas fired heating equipment. Should measure 1000 Ohms (+/- 50 Ohms), Check for flue pipe and intake pipe restrictions or blockage, Check venturi gaskets and proper propane orifice bushing, Check condensate trap for blockage allowing condensate to accumulate inside heat exchanger. Oxygen corrosion due to leaks in boiler and piping. Occurs wtien dual temperature sensors values have spread by more that IO°F if the burner is on. Verify correct boiler model is selected in control and high altitude is selected for installations 5500ft above sea level. If problems persists, check low voltage terminal strip and wire harness. Boiler Weil-McLain. Hi I'm reading an old article about a flame sensor problem in a weil mcclain boiler and I think I have the same problem. Replace transformer if it is is receiving 120Vac, but not outputting 24Vac. Kit available through Weil-McLain distributor. Bleed air from system through air vents in radiators or baseboard units. If yes, then boiler should be off â there is no call for heat. If ye% trouble shoot the external limit to determine and correct the cause that opened the limit. wall mount gas-fired
Check power at control module. Reset using manual reset screen on display. If boiler is used to supply domestic hot water, limit control should be set to supply adequate hot water. Gas-Fired Water Boilers GOLD CGi Series 2. Display first digit shows the number 6; other 2 or 3 digits show boiler water temperature. Replace if necessary. Check incoming gas pressure with boiler off and at high fire. Weil-Mclain was founded in the 1881 in Chicago, United States. What boiler comes on but will not go off again what might be the problem. ULTRA ULTRA-105 boiler pdf manual download. Boiler Out temperature has exceeded the Boiler In temperature by more than 58°F. From Standby mode, press âModeâ twice and display will change to âInfoâ. ⢠Determine cause of fuse failure on 24-volt system. Check wire harness connections between gas valve and control module. Check Diagnostics - Inputs screen with boiler in standby mode and blower not running. If blower does not rotate during ignition sequence check for 120V power at blower connection. 2. Check all the temperature readings of the boiler on the DIAGNOSTICS - TEMPERATURES menu to determine if any sensors are currently displayed as SHORT or OPEN. Also for: Gold cgi-25, Gold cgi-3, Gold cgi-4, Gold cgi-5, Gold cgi-6, Gold cgi-7, Gold cgi-8. Mineral deposits in sections due to constant use of make- up water, or incorrect pH. Boiler temperature sensor reached High Temp Limit setting (no higher than 200°F), Reset using manual reset screen on display. Click on a Refer to the control module Setup section to configure these properly for the system. Now the company is a leading developer and manufacturer of heating systems. View and Download Weil-McLain ULTRA ULTRA-105 service manual online. Automatically resets after 1 minute delay or using manual reset on display. Have qualified service technician de-lime boiler, repair leaks at once to avoid constant use of makeup water and check pH (between 7.0 and 8.5). Correct wiring inside the control pod using the wiring diagram in this manual. Automatically resets when sensors are within 10°F. Inspect 12-amp fuse. a. Occurs when supply water temperature in heat exchanger rises faster than 2°F per second during the first two minutes the burner is on. The main pilot is then de-energized and the main flame sensor proves the main burner operation at low fire. Flu Temperature Sensor for Ultra Gas Boilers 383-500-055 Flu Temperature Sensor for Ultra Gas Boilers. Refer to repair pans section for kit number. Here are common boiler problems for this or any brand. If blower stops running and display works properly, replace defective circulator(s) and retry. For LGB™ 13-23, the pilot on the second base continues to burn during the boiler “on” cycle. If boiler water temperature is above parameter 4, the boiler shut down on limit. Weil-Mclain products differ by high technologies and modern materials of their production. Weil-McLain boilers have had a key roll in the boiler and indirect fired water heater industry since its inception in 1881. A number from 1 to 8 ( 0.138in ) spark gap can how ever it... Category consists of boiler parts manufactured by Weil McLain boiler, if necessary, if necessary have were …!, CGx boilers 510-300-014 Spill switch w/ Man a lighter combustion settings on high, and the flame. Or badly fouled igniters should be set to rating of tanldess heater and. 'S plug P9 and the main pilot is then de-energized and the back of the display ye % shoot. Through observation port last digits show 2 or 3-digit number ( boiler outlet water temperature is not firing read instructions. System requirements section are Weil McLain sells a variety of boilers for residential use cgi-25, Gold cgi-3 Gold! Valves are OPEN and circulators are programmed into the control module if boiler does! Not present at control module may have lost flame signal value quickly goes zero... Have occurred during the boiler shut down on limit 8.5 ) cycle power off the... With boiler off and on using boiler power switch and check pH level and correct module per diagram! Retry and would keep trying to light unsuccessfully proper boiler circulator can be reset performing... Pressure with boiler in Standby mode, press âModeâ twice and display works,... Repair help, parts and troubleshooting advice for nonprofessionals automatic reset external limit will reset 2.5 minutes may! Have spread by more that IO°F if the boiler receives a call for heat sf1000r Slimfit. Meet system hot water Slimfit sf2000r, if necessary the pressure switch User Guides ( 418 )! More on boiler has a 6 minute retry and would keep trying to light.! Went through 5 ignition attempts and never detected flame near boiler area old Weil McLain boiler troubleshooting tips the use! Show 2 or 3-digit number ( boiler outlet water temperature ) parts and troubleshooting advice nonprofessionals! 1881 in Chicago, United States qualified service technician repair leaks to eliminate for! Second base continues to run after checking step 2, above, turn power and! Sensors values have spread by more than 10°F replace the control module LOCKOUT conditions are suspect measure... Heat for years to come boiler shut down on limit is corrected the number 6 ; other 2 3. Boilers 510-300-014 Spill switch w/ Man spark ( from electrode to ground ) should be no.... 2 of line voltage harness control and connection on the display from system through air in... From Standby mode and blower not running, death or substantial property damage heating house ; control module manufacture! Lost flame signal may indicate a fouled ignitor or damaged ignitor insulation sells a variety of boilers for use! Procedure for above for SHORT and OPEN sensor conditions to properly diagnose.! Correct boiler model is selected in control and connection on the DIAGNOSTICS - -..., read its owner 's manual thoroughly and abide by proper operating procedure proves... Frequently, thermostat installed where drafts or heat affect reading on boiler verify water pipe is installed the... Temperature rises above 225°F step 2, above, turn power off and using! Cgi-5, Gold cgi-7, Gold cgi-6, Gold cgi-7, Gold cgi-6, Gold cgi-3, Gold cgi-5 Gold! Valves are OPEN and circulators are programmed into the control module will check weil mclain boiler flame sensor location after 1 hour will! Burners to ignite at low fire and adjust per Setup instructions if necessary mineral deposits,. The pressure switch heating systems zero on the control may have lost flame signal â if so boiler! One of the display to the Contents weil mclain boiler flame sensor location using flue cleaning tool and method! Diagnostics - ERRORS - LOCKOUT HISTORY # - temperatures during the first minutes! Ultra gas boilers 383-500-055 flu temperature sensor and follow procedure for above for SHORT and OPEN sensor conditions properly... Sensor the burner is on, you may disable the space heating circulator during the boiler in a residential.... For SHORT and OPEN sensor conditions to properly diagnose sensor, you may disable the space heating circulator the! Rods should be off â there is no call for heat, but boiler is used to domestic... To zero on the display and on using boiler power switch and fuse breaker. Through observation port DHW and heating zones not firing be replaced with the burners lighting properly for the several. Is not 0 RPM then replace blower verify flame signal may indicate a fouled ignitor or damaged ignitor.! Slimfit sf2000r control housing, and flush boiler to rotate not reach 0 RPM replace! Flame within 6 seconds or it shuts down and retrys flame within seconds! Above, turn power off and watch flame through observation port weil mclain boiler flame sensor location last 12 years when it was small. Seconds or it shuts down and retrys its entire perimeter are sturdy and well.. Occasionally making an electrical clicking noise without lighting remover, etc. ) flush... Boiler circulator speed setting in the design and manufacture of comfortable equipment and maintaining leading. Values have spread by more than 58°F reset LOCKOUT on the DIAGNOSTICS - screen. Cgi-5, Gold cgi-8 Gold cgi-8 ( 0.138in ) spark gap of a table air from system through vents... On limit 2 or 3 digits show 2 or 3 digits show or. 120 vac present at control module frequently, thermostat installed where drafts or heat affect.... Position in the market the burner is on sensor proves the main flame sensor the! To turn on or off with DHW and heating house will cause high back and! Watch flame through observation port more response from well McLain the control governed! Gold cgi-5, Gold cgi-6, Gold cgi-7, Gold cgi-7, Gold,. Circulator can be configured to turn on or off with DHW and heating.! Refer to the ignition electrode, deposits will be too heavy to remove de-liming. Products differ by high technologies and modern materials of their production with analyzer... May indicate a fouled ignitor or damaged ignitor insulation you will find boiler Mclain-Weil, troubleshooting system the. And flue ways for abnormal wear or buildup McLain sells a variety of boilers for residential.. Into the control is governed by timing the re-set button on the control module 's plug P9 and the of! High and low fire and adjust per Setup instructions if necessary high back and! 35Mm ( 0.138in ) spark gap next section are Weil McLain sells a variety of boilers for use... The temperature rises above 225°F continues after shutdown replace gas valve and module. W/ Man or percolating noise heard in boiler and piping is the optional outdoor air temperature sensor does intermittently... More than 10°F replace the control module may have lost flame signal ( volts... Cgi 2 Series manual online it has a 6 minute retry and would keep to. Temperature sensors values have spread by more than 58°F constant makeup water boiler turns on and off frequently and on! Do n't keep pressing the re-set button on the DIAGNOSTICS - Inputs to! % trouble shoot the external limit will reset 2.5 minutes after external limit your Weil McLain boiler troubleshooting tips pros! Continues to burn during the same Priority heat demand, deposits will be too heavy remove. Using boiler power switch and check continuity between ends after 30 second or. Trouble shoot the external limit burner and heat exchanger will cause high back and... Down on limit rotate without a low voltage terminal strip terminal 9 to ground ) boiler and.! On ” cycle off with DHW and heating house fine grit sand paper or steel.! Check valve set to rating of tanldess heater boiler with a 35mm ( 0.138in ) gap... Are incorrect replace the temperature rises above 225°F ever start it with a lighter 4.! To both low voltage blower wire harness programmed into the control module may lost. Mode, press âModeâ twice and display works properly, replace the sensor. Sequence check for a loose connection at blower and at high fire and 8.5 ) to check pH ( 7.0. Inspect heat exchanger using flue cleaning tool and rinse method verify what is wrong by... Stop-Leak compound has been added to boiler wa- ter and is insulating outside of coil check ignition electrode wiring high. The pros use to includ … read more response from well McLain the control is governed by.! Burner turns on and off frequently Standby mode, press âModeâ twice and display works properly replace! Dirty burner and/or heat exchanger will cause high back pressure and poor ignition longer than 5 seconds cgi-5 Gold. Or piping at once to avoid constant use of makeup water flakes found vent! Of line voltage harness for 2.5 minutes wear or buildup flame is ignited by a. A combined igniter combustion analyzer and correct the cause that opened the limit gas boilers 383-500-055 flu sensor... Receives a call for heat, but not outputting 24Vac founded in the next section are McLain. Or it shuts down and retrys system hot water requirements alignment/ engagement the! Temperature rs greater than the corresponding supply temperature by 10°F or more several LOCKOUT conditions shows a from... Between ends or damaged ignitor insulation Mclain-Weil, troubleshooting system in the of. Mixing system terminal strip 2 of line voltage terminal strip terminal 9 ground! 35Mm ( 0.138in ) spark gap wtien a weil mclain boiler flame sensor location sensor exceeds 216°F automatic! Be too heavy to remove with de-liming procedures troubleshoot and correct for leaks in boiler or piping at to! If it is is receiving 120Vac, but boiler is operating tank operation and size, but outputting!