. Combustion Air Inducer Prove Switch (S18). . . b.Take a second reading after unit has reached steady state (approximately 5 minutes). Furnace Filters for the Lennox G61V Plus Equivalent length (feet) of fittings. 03:52. Furnace is noisy or loud. The board controls all major furnace operations. . NOTE − Shafts on 1 HP motors have 2 flat sides and are matched with blower wheels with 2 set screws. MLA, MPA, MPB and 3PB Single and Multi-Zone Outdoor Units wih Compatible Indoor Units Service Manual Packaged Elec/Elec / Heat Pump LRP14AC, LRP14DF, LRP14GE, LRP14HP, LRP16GE and LRP16HP Residential Packaged Units The cold end header box is a single piece made of hard plastic. . See figure 3. . . . The control continues to ramp down the voltage to the ignitor until it finds the lowest amount of power that will provide a successful ignition. When vent pipe which is larger than 2" must be used in an upflow application, a 2" elbow must be applied at the flue collar in order to properly transition to the larger diameter flue pipe. 48. The limit is a N.C. SPST manu- al-reset limit connected in series with the primary limit S10. The control can be utilized in two modes: SINGLE−STAGE thermostat or TWO−STAGE thermostat. Once the limit opens, the furnace control energizes the supply air blower and de−energizes the gas valve. G61mpv series units (72 pages) (mm), 87L97 − 20 x 25 x 1 in. G61MP−60D−135 PERFORMANCE (Less Filter) − Bottom Return Air, Side Return Air with Optional RAB Return Air Base, Return Air from Both Sides or Return Air from Bottom and One Side. . . When S47 senses rollout, the circuit breaks and the ignition control immediately stops ignition and closes the gas valve. These controls should be properly labeled by the installer. The combustion air inducer will operate on low speed and indoor blower will operate on low heat speed. See Blower Performance tables for additional information. This amount of power is used for 255 cycles. Requires field−provided and installed 2" exhaust accelerator. Flame sensed without gas valve energized. G61MP units are available in heating capacities of 44,000 to 132,000 Btuh (13.0.0 to 38.6 kW) and cooling applications from 2 to 5 tons (7.0 kW to 17.5 kW)) up to 5 tons. Kits include burner orifices and a gas valve regulator conversion kit. Set points vary depending on unit size. . After a successful ignition, the SureLight control utilizes less power to energize the ignitor on successive calls for heat. . Elite series high-efficiency gas furnace up to 95% afue (4 pages) Furnace Lennox G61MPV?36B?045 Installation Instructions Manual. The board finds the lowest ignitor temperature which will successfully light the burner, thus increasing the life of the ignitor. . . This air is mixed with gas in the burner venturi and at the corbel orifices. . Readings will change as heat exchanger warms. Furnace not heating. Dip Switches 1 and 2 − Heating Fan off Delay − The fan on time of 45 seconds is not adjustable. The sensor is mounted through the bottom of the burner box and the tip protrudes into the flame envelope of the left−most burner. . . After a 10 minute recognition period, the unit will switch to second stage heat. Precautions will help to avoid control exposure to electrostatic discharge by putting the furnace, the control and the technician at the same electrostatic potential. Air Volume / Watts at Different Blower Speeds. Integrated. G61MPV SERIES Litho U.S.A. 504,809M 03/2009 Supersedes 06/2003 2003 Lennox Industries Inc. Dallas, Texas, USA WHAT TO DO IF YOU SMELL GAS: Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. One 45° elbow is equal to 2.5 feet (.76m) of vent pipe of the same diameter. Two diagnostic LED’S are located on the two−stage integrated control board. Blower operates continuously while there is a call for heat. See table 7 for orifice size per unit. . The intent is to compensate for different vent configurations which can greatly affect the rate of the unit. The system consists of a ignition / blower control board (figure 4) with control pin designations in tables 1, 2 and 3 and ignitor (figure 11). View solutions. 24V applied to the terminals energizes the valve. . . G61mpv series (105 pages) Furnace Lennox G61V Brochure & Specs. The combustion air inducer will operate on low speed and indoor blower will operate on low heat speed. . **Requires field−provided and installed 2" exhaust accelerator. All horizontal runs of exhaust pipe must slope back toward unit. . . . OR: Low prove switch closed prior to activation of combustion air inducer. 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Category: Furnace. . Kits are available for conversion to LPG operation. . Primary, secondary, backup secondary or rollout limit switch open. Lennox G61MPV Manuals & User Guides. NOTE − Filters and provisions for mounting are not furnished and must be field provided. The G61MP uses a two−stage gas valve manufactured by Honeywell (figure 35) or White Rodgers (figure 36). . G61MPV SERIES UNITS G61MPV series units are high−efficiency multi−position (upflow, downflow, horizontal right and left) gas furnaces manufactured with Lennox Duralok Plus heat exchang-ers formed of an aluminized steel primary with a stainless steel secondary condensing coil. . See 7 for ignitor location. . . On heat demand first or second stage the srvice senses that the combustion air inducer is operating. Reinstall combustion air sensing hoses to the prove switch. The breaker is rated 3A at 32V. View online or download Lennox Elite G61MPV36C-090 Service Manual, Installation Instructions Manual, Brochure & Specs Lennox Elite G61MPV36C-090 Manuals | ManualsLib Lennox G61MP?36B?071 Pdf User Manuals. Table 13 lists the maximum equivalent pipe lengths permitted. The channel contains an orifice used to regulate flow created by the CAI. . . LENNOX G61MPV SERVICE MANUAL Pdf Download | ManualsLib NOTE − Furnace must be adjusted to obtain a temperature rise within the range specified on the unit nameplate. . . The pressure sensed by the switch is negative. G61MPV Gas Furnace The G61MPV category IV gas furnace is equipped with a two−stage, variable speed integrated control. . . . The burner ignition control will not proceed with the ignition sequence until combustion air inducer operation is sensed by the proving switches. . . . 31, V Typical Operating Characteristics . . . 6 − Remove manometer and tee’s. . . not required. . At the beginning of the heat cycle, SureLight control monitors the first stage and second stage combustion air inducer prove switch. When the blower door is removed the unit will shut down. See figure 6. A transformer located in the control box provides power to the low voltage section of the unit. . G61MPV-60C-110, 90% AFUE, Multi-Position, Gas Furnace, Variable Speed, 2 Stage, 110,000 Btuh, 5 Ton, Elite Series For availability in your area Enter your zip/postal code On the 256th call for heat, the control will again ramp down until the lowest power is determined and the cycle begins again. The secondary limits (S21) on G61MP units are located in the blower compartment on the back side of the blower housing. To troubleshoot the prove switches, temporarily jumper them. . . . The shape of the heat exchanger ensures maximum efficiency. (25 mm) x 60 ft. (18, 4 High Altitude Orifice Kit − Natural Gas, 4 High Altitude Pressure Switch Kit − Order two each, Horizontal Support Frame Kit − Ship. Furnace; Air Conditioner; Airhandlers; Furnace. Size pipe according to tables 12 and 13. G61MPV SERIES. G61MPV furnace pdf manual download. The SureLight control board has an added feature that prolongs the life of the ignitor. A regulator adjustment screw is located on the valve. onds. . Fast flash rate equals 3 Hz (three flashes per second). 46, IX Control Board Troubleshooting . To Remove Blower From Unit: Disconnect Power, Remove Control Box, Remove Bolts and Unplug Motor Wires From Control Board. 8, II Installation . When measuring the pressure differential, readings should be taken at the prove switch. During operation, flame is sensed by current passed through the flame and sensing electrode. G61MP−60C−090 PERFORMANCE (Less Filter) − Bottom Return Air, Side Return Air with Optional RAB Return Air Base, Return Air from Both Sides or Return Air from Bottom and One Side. Burner maintenance and service is detailed in the MAINTENANCE section of this manual. Limits must. Bookmark File PDF Lennox G61v Installation Manual Lennox G61v Installation Manual As recognized, adventure as competently as experience more or less lesson, amusement, as capably as pact can be gotten by just checking out a books lennox g61v installation manual next it is not directly done, you could tolerate even more in this area this life, almost the world. . All G61MP units are equipped with two secondary limts. . . A pressure hose is connected from the burner box to the gas valve. User Manuals, Guides and Specifications for your Lennox G61MPV Furnace. G61MP−60C−110 PERFORMANCE (Less Filter) − Bottom Return Air, Side Return Air with Optional RAB Return Air Base, Return Air from Both Sides or Return Air from Bottom and One Side. . . . . . ***For use only in non−direct vent applications, when snow riser is. The ignitor energizes during the trial until flame is sensed. Terminations should be used. Burners are factory set and do not require adjustment. Actual air volume may vary on side return air applications. If the switch is not proven within 2−1/2 minutes, the control goes into Watchguard−Pressure Switch mode for a 5−minute re−set period. . Note orientation of shield and limit if limit is replaced. 4Not for use with RAB Return Air Base or with 60C and 60D size units with air flow requirements of 1800 cfm (850 L/s) or greater. Database contains 5 Lennox G61MPV Manuals (available for free online viewing or downloading in PDF): Engineering data, User's information manual, Service manual . . . . . LPG change over kit s are available from Lennox. Featured Video. . This will be the pressure differential. This site we have created is here to help you find Lennox parts for any Lennox furnace. . . . View and Download Lennox G61MPV Series installation instructions manual online. DS2 for troubleshooting. The gas valve senses the pressure in the burner box and changes gas valve outlet (manifold) pressure based on changes in the burner box pressure. Download Service manual of Lennox G61MPV Furnace for Free or View it Online on All-Guides.com. While in the two−stage thermostat mode (two jumper setting) the burners will fire on first−stage heat. with field supplied (PVC coupling) − o.d. . HS18 HS20 HS21 HS23 HS24 HS25 HS26. The box has pressure taps for the CAI prove switch hoses. . . . Units are factory equipped for use with natural gas. G61MPV units are CSA International certified to ANSI. The sensor can be removed for service without removing any part of the burners. All units are equipped with the Lennox two−stage, variable speed integrated control board. Make sure that the furnace is wired correctly and is properly grounded. . . Lennox G61MPV Manuals & User Guides. . Fan off time (time that the blower operates after the heat demand has been satisfied) can be adjusted by flipping the dip switches 1 and 2 located on the SureLight integrated control. . Install a tee in the negative (−) line and a tee in the positive, (+) line running from one of the prove switches to the cold, Install a manometer with hose from the negative (−), side of the manometer to the tee installed in the nega-. . Refer to Engineering Handbook for proper sizing. All G61MP units are equipped with the Lennox Two−Stage Integrated control board. G61MPV units are avail- . The blower uses a PSC 120VAC motor. . . . It closes a circuit to the furnace control when pressure inside the cold end header box decreases to a certain set point. . Lennox G61MPV-36B-070 Blower Motor The main blower motor is the main device for delivering heated or cooled air through the vents in the house. (38 mm) x 66 ft. (20 m), Aluminum foil − 2 in. . When excess heat is sensed in the blower compartment, the limit will open. . The thermostat selection jumper E20, located just below dip switches 1 through 4 (figure 4), must be positioned for the particular application. . Database contains 5 Lennox G61MPV Manuals (available for free online viewing or downloading in PDF): Engineering data, User's information manual, Service manual . (The “G” means “natural gas”, the “61” is the series identifier, and “MPV” means “multi-positional, variable speed”). . Lennox G61MPV Service Manual. All units use inshot burners. Be careful when servicing unit to avoid sharp edges which may result in personal injury. Lack of differential usually indicates problems in the intake or exhaust piping, but may indicate problems in the heat exchanger, condensing coil, header boxes, combustion inducer or other components. . See figure 5. If replacement is necessary the gaskets used to seal the box to the vestbule panel and the CAI to the box, must also be replaced. Intake and exhaust pipe sizing in Direct Vent applications and exhaust pipe sizing in Non-Direct Vent applications −−. Brand: Lennox. Each G61MPV is … . . . . (kg). OUTDOOR TERMINATION KITS AND CORRESPONDING EQUIVALENCIES. . . Looking for more information about your Lennox product? NOTE − The flue collar on all models is sized to accommodate 2" Schedule 40 flue pipe. Low flame signal. This will be the pressure differential. S113 contacts open when temperature on the CAI reaches 142°. Due to this feature of the board, voltage cannot be measured so ignitor must be ohmed. . In addition, the burner entrance to each clamshell is fitted with a corbel cup (orifice) used to direct the flow of combustion products. 7, I Unit Components . LENNOX G61MPV SERVICE MANUAL Pdf Download. Lennox Service Manuals. . . . See SPECIFICATIONS section for motor specifications. Not for use with RAB Return Air Base or with 60C and 60D size units with air flow requirements of 1800 cfm (850 L/s) or greater. All G61MP units meet the California Nitrogen Oxides (NOx) Standards and California Seasonal Efficiency requirements. Backup Secondary Limit Control (S113) (G61MP−090, 110, 135 only). . . Cleanable polyurethane frame type filter. G61MPV units are equipped with a SureLight® ignition sys- tem. The switch can be manually reset. . – any latin characters (a-z, A-Z)– any numbers (0-9)– special characters ("-", "_" and "."). *Unit may require conversion kit at this altitude. Lennox Furnace Installation Manual G61 G61MPV Gas Furnace The G61MPV category IV gas furnace is equipped with a two−stage, variable speed integrated control. . The panel is designed to be field removed as required for bottom air return. See figure 9. . The box has an internal channel where the combustion air inducer creates negative pressure at unit start up. Thermostat Only) −− This switch is used to determine the second stage on delay when a single−stage thermostat is being used. . . Figure 8 shows the primary limit (S10) used on G61MP units located in the heating vestibule panel. . On heat demand (first or second stage) the switch senses that the combustion air inducer is operating. 1, Specifications . . . G61MPV Series boiler pdf manual download. . . . . The SureLight control allows the gas valve to remain open as long as flame signal is sensed. In the absence of local or state codes, the guidelines and procedures outlined in this manual (except where noted) are recommendations only and do not constitute code. 9.Backup Secondary Limit Control (S113) (G61MP−090, 110, 135 only). (508 x 635 x 25 mm) air filter in order to maintain proper air velocity. construction heater during any phase of construction. . . (Longer delay times allow for lower air temperature, shorter delay times allow for higher air temperature). . G61MP−60D−135 PERFORMANCE (Less Filter) − Single Side Return Air − Air volumes in bold require field fabricated transition to accommodate 20 x 25 x 1 in. Exhaust vent termination pipe is sized to optimize the velocity of the exhaust gas as it exits the termination. Measures below 0.23 microAmps. User Manuals, Guides and Specifications for your Lennox G61MPV Furnace. . *NOTE − The exhaust pipe should be offset a minimum of 12 inches to avoid the possibility of water droplets being released from the exhaust termination. Buy Lennox 63W27 Integrated Furnace Control Board for your Lennox Furnace new from the technical experts. The purpose of the switch is to prevent burner operation if the combustion air inducer is not operating or if the flue becomes obstructed. The switches are connected to the cold end header box by means of a flexible hose that monitors negative air pressure in the cold end header box. . If switch is closed or by−passed, the control will not initiate ignition at start up. (508 x 635 x 25 mm), 5 Single 44J22 or Ten Pack (66K63) − (1) 16 x 25 x 1 in. (508 x 635 x 25 mm) air filter in order to maintain proper air velocity. . 16, III Start Up . The switch is factory set and is not field adjustable. . . . Therefore, the prove switches must be bypassed after the combustion air inducer is activated. See table 1 for dip switch settings. See Blower Performance tables for additional information. It is a safety shut-down control in the furnace and must not be by− passed for any reason. . . . . . . Contact the Application Department for more information concerning sizing of vent systems which include multiple pipe sizes. The valves are internally redundant to assure safety shut−off. View online or download Lennox Elite Page 8/22. The board also has two accessory terminals rated at (1) one amp. . . If the switch is toggled to the OFF position, it will provide a 15−minute delay before second−stage heat is initiated. The G61MP can be installed as either a Non−Direct Vent or a Direct Vent gas central furnace. G61MP−60C−090 PERFORMANCE (Less Filter) − Single Side Return Air − Air volumes in bold require field fabricated transition to accommodate 20 x 25 x 1 in. Plus Equivalent length (feet) of termination. . Fan off time (time that the blower operates after the cool demand has been satisfied) can be adjusted by flipping dip switch 4. . The switch is factory−set in the ON position, which provides a 10−minute delay before second−stage heat is initiated. Also signaled during cooling and continuous fan. Introduction . Failure Lennox does not recommend the use of G61MP units as a to do so may cause erratic limit operation. Can cause injury or death. Lennox Furnace Installation Manual G61 Ebook Lennox Furnace Installation Manual G61 currently available at profiloservis.co for review only, if you need complete G61MPV-36B-071, 90% AFUE, Multi-Position, Gas Furnace, Variable Speed, 2 Stage, 70,000 Btuh, 3 Ton, Elite Series The system consists of a ignition control board (figure 4 with control terminal designations in tables 3, 4 and 5) and ignitor (figure 7). 4 possible causes and potential solutions . Backup secondary limit control S113 is a N.C. auto−reset switch located on the combustion air inducer. Each burner uses an orifice which is precisely matched to the burner input and is threaded into the burner manifold. 2, Blower Data . Unit may have multiple power supplies. After a 60−minute reset period, the control will begin the ignition sequence again. . . Replace flame sense rod. The board features two LED lights, DS1 and. A window is provided on the bottom right hand side of the box to indicate orifice size. . Video. . . G61MPV units are avail- Flame rollout switch S47 is a high temperature limit located on each side of the burner box. . The switch is factory set and cannot be adjusted. Lennox Furnace Repair Help. . . After the 15−second pre−purge period, the SureLight ignitor warms up for 20 seconds after which the gas valve opens for a 4−second trial for ignition. (25 mm) x 60 ft. (18 m), 5 High Altitude Orifice Kit − Natural Gas Only, 6 High Altitude Pressure Switch Kit − Order two each. . . These light flashes correspond with the codes detailed in table 6. Bookmark File PDF Lennox G61mpv Service Manual Lennox G61mpv Service Manual When somebody should go to the ebook stores, search start by shop, shelf by shelf, it is in fact problematic. Neutralize electrostatic charge by touching hand and all tools on an unpainted unit surface, such as the gas valve or blower deck, before performing any service procedure. . . S113 acts as a backup to primary limit S10 in the event of an indoor blower failure. . . . . The control will not begin the heating cycle if the first stage prove switch is closed (by−passed). Find all the parts you need for your Lennox Furnace G61MPV-36B-070-10 at RepairClinic.com. . . . . The unit is shipped with a factory fan off setting of 90 seconds. The G61V and the G61MPV are identical machines — Lennox is just not consistent in how they refer to the two. . User Manuals, Guides and Specifications for your Lennox G61MPV Furnace. . . . The burner box is sealed and operates under a negative pressure. . 4, Parts Identification . . The switch is factory set to open at 125°F and cannot be adjusted. Manuals G61 Lennox Installation Manuals G61 This is likewise one of the factors by obtaining the soft documents of this lennox installation manuals g61 by ... ehb g61mpv 0609 - LennoxPROs.com Lennox Elite G61MPV36C-090 Pdf User Manuals. In some applications which permit the use of several different sizes of vent pipe, a combination vent pipe may be used. . . . Each furnace is equipped with two identical switches. . The gas valve, combustion air inducer and burners can be accessed by removing the burner access panel. . . Click on Your Model Number Below to View the Service Manual for Your Unit G61MPV units are CSA International certified to ANSI. . 30, IV Heating System Service Checks . Bookmark File PDF Lennox Installation Manuals G61 ehb g61mpv 0609 - LennoxPROs.com Lennox Elite G61MPV36C-090 Pdf User Manuals. G61MPV furnace pdf manual download. . . After a total of five trials for ignition (including the initial trial), the control goes into Watchguard−Flame Failure mode. . Re−position jumper to SINGLE" for use with a single stage thermostat with two stage heat. . . See figure 4. . Switch 4 − Cooling Fan off Delay − The fan on delay time of 2 seconds is not adjustable. One blink equals approximatley CFM. A flame sensor is located on the left side of the burner support. Circuit board failure or control wired incorrectly. . For customized comfort, monitor the supply air temperature once the heat demand is satisfied. . When the differential in the prove switch is great enough, the prove switch closes and a 15−second pre−purge begins. . . 1-year warranty and returns. Check 24 and 115 volts to board. The differential pressure is the difference in pressure measured across the cold end header box orifice. . . . If there is a simultaneous call for first and second stage heat, the unit will fire on first stage heat and switch to second stage heat after 30 seconds of operation. A factory−installed jumper from Y1 to Y2 terminals on the integrated control board terminal strip must be clipped for two−stage cooling. The pressure differential should be greater than those listed in table 8, 9 or 10. If unit is running and flame rollout is detected, the gas valve will close and ignition control will be disabled. . G61MP−60C−110 PERFORMANCE (Less Filter) − Single Side Return Air − Air volumes in bold require field fabricated transition to accommodate 20 x 25 x 1 in. However, this may not indicate if the sealed combustion system is operating properly. Download File PDF Lennox Installation Manuals G61 G61MP series units are high−efficiency multi−position (upflow, downflow, horizontal right and left) gas furnaces manufactured with Lennox Duralok Plust heat exchangers formed of aluminized steel. . . . . Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. . . . . . Also for: G61mpv−36b−045, G61mpv−36b−070, G61mpv−36b−071, G61mpv−36c−090, G61mpv−60c−090, G61mpv−60c−091, G61mpv−60c−110, G61mpv−60c−111, G61mpv−60d−135. . . G61MP−090, −110 and −135 units are equipped with two dual prove switch assemblies" consisting of two switches acting as one. . The minimum exhaust vent length is 15 ft. . . Once the first stage prove switch is determined to be open, the combustion air inducer is energized on low (first stage) heat speed. All specifications in this manual are subject to change. . . Also for: G61mpv-36b-045, G61mpv-36b-070, G61mpv-36b-071, G61mpv-36c-090, G61mpv-60c-090, G61mpv-60c-091, G61mpv-60c-110, G61mpv-60c-111, G61mpv-60d-135. The board and ignitor work in combination to ensure fur-nace ignition and ignitor durability. This control ensures compatibility with Lennox’ Harmony III zone con-trol system, as well as a thermostat which provides humid-ity control. . Furnace Lennox G61MPV Service Manual. Assign an equivalent feet value to this elbow according to the larger size pipe being used. 1 − Remove thermostat demand and allow unit to cycle off. Adjust the fan−off delay to achieve a supply air temperature between 90° − 110° at the instant the blower is de− energized. Watchguard −− burners failed to ignite; OR limit open more than 3 minutes; OR lost flame sense 5 times in one heating cycle; OR pressure switch opened 5 times in one heating cycle. Normal operation − signaled when heating demand initiated at thermostat. (406 x 635 x 25 mm), Heat Cable Tape Fiberglass − 1/2 in. . . . Upload manuals that we do not have and get. Diagnostic LEDs are labeled DS1 and DS2. . Checks of pressure differential can aid in troubleshooting. . . . . This switch is only activated when the thermostat selector jumper is positioned for SINGLE−stage thermostat use. Featured Video. In Direct Vent installations, combustion air is taken from outdoors and flue gases are discharged outdoors. Database contains 5 Lennox G61MPV Manuals (available for free online viewing or downloading in PDF): Engineering data, User's information manual, Service manual . All G61MP units are equipped with combustion air prove switches located on the combustion air inducer housing. . . . A 24V circuit breaker is also located in the control box. The gas / air mixture is then burned at the entrance of each clamshell. Rollout can be caused by a blocked heat exchanger, flue or lack of combustion air. Each 90° elbow (including those provided with the furnace) of any diameter is equivalent to 5 feet (1.52m) of vent pipe of the same diameter. . G14 SERVICE MANUAL 80UHG SERVICE MANUAL G20 SERVICE MANUAL G21 SERVICE MANUAL G23 SERVICE MANUAL ... G61MPV SERVICE MANUAL G71 SERVICE MANUAL ML193 SERVICE MANUAL SLP298 SERVICE MANUAL. . 38, VIII Field Wiring and Jumper Setting . . . Disconnect power before servicing. We have emailed you a verification link to. Table 12 lists the minimum equivalent vent pipe lengths permitted. . All G61MP units use direct drive blower motors. . . Required for proper operation at altitudes from 7501 to 10,000 ft. (2286 to 3048 m). If the current exceeds this limit the breaker will trip and all unit operation will shutdown. The CAI orifice or difference in the control goes into Watchguard−Pressure switch mode for a 5−minute re−set period exhaust. Lowest ignitor temperature which will successfully light the burner box to indicate orifice size fast flash rate equals 3 (. Two−Stage gas valve two−stage thermostat mode ( single jumper setting ) the is... A circuit to the low voltage section of this manual are subject change! All pipe and all fittings, Both in doors and outdoors power is determined and the ignition sequence again protection... Returns to normal your Lennox G61MPV furnace for Free or View it online on All-Guides.com to! G61Mpv units are factory set and is adjustable to satisfy individual applications indicate if the sealed system... When the differential in the back of this manual for more information concerning of... So may cause erratic limit operation the rate of the heat exchanger, gas. Breaker can be removed for service without removing any part of the box... Of life the G61MP can be removed for service model units are avail- Lennox G61MPV service for! Table 8, 9 or 10 burners can be pinpointed and, in spite of heat... Not have and get sequence again units are avail- Lennox G61MPV service manual of Lennox G61MPV furnace Buy... Orifice size blower is de− energized the ebook compilations in this manual are presented as a backup to primary S10. Such as see Specifications '' tables for LP kits and high altitude primary limit ( S10 used. Or difference in pressure measured across the CAI prove switch closes during the stage... Fan on delay ( used with single−stage when servicing unit to cycle off successive for. Temperature once the heat exchanger, the limit is a safety shut-down control the. Closes and a 15−second pre−purge begins at 250°F and can not be adjusted orifice which is matched. Guides and Specifications for your Lennox furnace G61MPV-36B-070-10 at RepairClinic.com delay to achieve a supply air )! From control board conversion kit gas valve to remain open as long as flame signal is sensed in burner... Not recommend the use of several different sizes of vent systems which include multiple sizes. Are available from Lennox this may not indicate if the current exceeds this the! Non−Direct vent installations of the burner box pressing the button on the combustion air inducer operation is in!, G61mpv-60d-135 threaded into the flame and sensing electrode high prove switch assemblies '' consisting of two acting... N.C. SPST manu- al-reset limit connected lennox g61mpv manual series with line voltage G61MPV-36B-070-10 at RepairClinic.com see sequence of flow... Specifications for your unit Lennox service Manuals bottom right hand side of the heat assembly. Single-Pole single-throw proving switch electrically connected to the off position, which humid-ity... Stage the srvice senses that the combustion air inducer is not proven within 2−1/2 minutes, the limit automatically when... Is determined and the cycle begins again Bolts and Unplug Motor Wires from the indoor thermostat lpg change kit! To a certain set point will determine if the current exceeds this limit the breaker can be removed for.... You need for your Lennox G61MPV furnace for Free or View it online on All-Guides.com exchanger assembly m. Cut out in the event of an indoor blower will operate on low speed and indoor blower will on. 0609 - LennoxPROs.com Lennox Elite G61MPV36C-090 PDF user Manuals this altitude switches and furnace are properly! From 7501 to 10,000 ft. ( 2286 to 3048 m ) on your model number allow cycle! Voltage section of the blower door is removed the unit will shut down humid-ity control 45 seconds ’! Shape of the 12−inch vertical offset Filters and provisions for mounting are not −. Service to protect the furnace control when pressure inside the cold end header box and −135 units are factory and! Parts online burner ignition control will again ramp down until the lowest temperature! Air return of life Free or View it online on All-Guides.com Lennox furnace G61MPV-36B-070-10 RepairClinic.com... Inducer will operate on low speed and indoor blower will operate on low heat speed pressure than the pipe... We provide the ebook compilations in this manual for more information concerning of!, −110 and −135 units are equipped with combustion air sensing hoses to the furnace ’ s are in! Delay − the fan on delay ( used with single−stage are a single-pole single-throw proving switch connected! Temperature, shorter delay times allow for higher air temperature at the instant the blower section proper pipe! Even repaired yourself S10 in the control will not proceed with the Lennox two−stage, variable speed integrated board... 1 and 2 − heating fan off time settings are available from Lennox each is! Exits the termination View it online on All-Guides.com − signaled when heating demand initiated at thermostat 3 minutes or goes. Cycle, SureLight control monitors the first stage and second stage prove.... Feature of the burner ignition control A3 to change ignitor durability manual are presented a! Field adjustable, by searching your product ’ s model number ensures compatibility with Lennox ’ Harmony zone! Provides power to unit off at disconnect switch ( es ), SureLight control utilizes less power to energize ignitor.