Relay o failure lennox 345 With relay de- communication bus. Dallas, Texas, USA IMPORTANT For downflow application, kit number 83M57 (LB−109844A) is required. 7): • Connect all female terminals to TB1 - Pink (24V) to R; We would like to show you a description here but the site won’t allow us. Heat section / Stage 4 failed (Same as Code 351). The air-handier will operate on 1 st stage electric heat until the issue is resolved. 08 Breaker Failure Pickup Delay 6. The 345 relay has two identical setpoint groups, with the same set of protection elements. A0. 506461-03. PCO Outdoor Photocell GR2400 PCI Indoor Photocell. Never use a scroll compressor for eva- Hello! I am an AI chatbot specifically trained to assist you with the Lennox HPXA19 024 036, 038, 048, 060 heat pump Service Literature. 5 - Install new fan power harness. Firmware Version . 40" WC. Feb 16, 2021 · Relay Example. O. Service Relay Output - Digital output can indicate a 1. − Located on top of water tank. Interlock relay is energized, but input is not sensed after three seconds. ©2017 Lennox Industries, Inc. Due to its efficiency, the scroll compressor is capable of draw-ing a much deeper vacuum than reciprocating compressors. Page 253: M3 Breaker Maintenance The 345 protection relay chassis used with a draw out relay is available separately, for use as a partial replacement or in test environments. Refer to Engi-neering Handbook for approved system matchups. Page 253: M3 Breaker Maintenance relay 345 - Free ebook download as PDF File (. ELECTRICAL INSTALLATION Trip1 and Trip2 output relays The 345 relay is equipped with seven electromechanical relays: two special relays designed for Winding 1 Breaker trip and Winding 2 Breaker trip, four general purpose relays (Auxiliary Relays 3 to 6), and a Critical Failure relay. 25 Lennox wireless point-to-point connection to other Lennox Smart Hubs in home and other mobile devices running Lennox applications. A. O F F NC HHII LLO O HHI I WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. 9. OPTIONS Thermostat We would like to show you a description here but the site won’t allow us. trol relays to operate unit Builtin Functions Include: − Blower On/Off Delay − Builtin Control Parameter Defaults, ensure proper unit operation when power is restored after power failure − Service Relay Output − Defrost Control − Dehumidification Control − monitors humidity levels, will allow both heating Lennox Industries Inc. Lennox Dealer Address 1−800−9−LENNOX Dealer Email www. − Protects system components from premature failure caused by pressure cycling. The document has moved here. Route the control wires to unit terminal block (TB1) and connect these wires to TB1 as follows (see Fig. Feb 11, 2023 · Either the pilot relay contacts did not close, or the relay coil in the electric heat section did not energize. 3/4 slip x 3/4 MPT 3/4 slip x 3/4 MPT 3/4 slip x 3/4 MPT 3/4 slip x 3/4 MPT Indoor Blower Wheel nom. AIR HANDLER CONTROL FIELD . Transformer 120V/24V transformer furnished as standard. Connect wire marked K10-5/A190-M in new harness, coming from the ICM Controller, to wire marked K10-5 coming from fan harness. FOR UNIT Page 1 506457-01 10/2016 Supersedes 8/2013 PRODIGY® APPLICATION GUIDE Prodigy® Application Guide (Advanced Features) CAUTION To insure correct voltage phasing before startup: 1) use refrigerant pressure gauges to check proper compressor operation and, Nov 28, 2004 · I got a hold of a repair manual for the Lennox G23 models from a source on the internet. aren't lennox furnaces under warranty for 10 years? 2005 Lennox Industries Inc. An indoor coil check / expansion valve approved for use with HFC−410A must be ordered separately and Moved Permanently. In the years since, we have grown and developed a complete line of products and services for the protection, monitoring, control, automation, and metering of electric power systems. 24VAC input uses a 3A fuse (Lennox part number 25J49. CAUTION matched according to Lennox recommendations for the compressor to be covered under warranty. 000 to 110,000 Btuh and cooling applications up to 5 tons. I found that i needed more detail. PCC-1. Removable terminals ease wiring and in-system testing or troubleshooting. Extensive product details, fast shipping, and expert support Lennox 12Y80 These relays are field convertible from hand reset to automatic reset and vice-versa. View and Download Lennox LF24 manual online. Coils previous­ ly charged with HCFC-22 must be flushed. 2. Possible O relay / stage 1 failure. Ment to say gas valve relay on the board. Thermostat closes R to W on call for heat. Refer to Engineering Handbook for proper sizing. ELECTROSTATIC DISCHARGE (ESD) Precautions and The O relay on the system component has failed. This output relay shows the status "ON" when the 345 relay is powered up and NOTE set to "Ready" and no self-test alarms are active, under SETPOINTS > S1 RELAY SETUP > S1 INSTALLATION > RELAY STATUS. fan harness. Elite® Series outdoor units are designed for use in check / expansion valve (CTXV) systems only and are not to be used with other refrigerant flow control devices. Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury. Use the female quick connect terminals We would like to show you a description here but the site won’t allow us. Interlock relay failure (furnace or air handler modes only). c. 410# SPST, 44A97. 0906-L2 CBX40UHV Service Literature Revised August, 2018 INSTALLATION AND SERVICE PROCEDURE CBX40UHV (HFC-410A) SERIES UNITS (Communicating) NOTICE A thermostat is not included and must be ordered separately. − Approved by NOTE: Due to Lennox’ ongoing commitment to quality, features and options are subject to change without notice and without incurring liability. Fines and/or incarceration may be levied for noncompliance. ELITE Series R-410A. 87L96 - 18 x 25 x 1 87L97 - 20 x 25 x 1 87L98 - 25 x 25 x 1 Service Relays R + C Spare Analog Inputs Room and RH Sensors Sensor IAQ TX J358 Duct Sensor J378 4-Character Seven Segment LED J379 J380 J381 J382 J383 J384 J385 J298 J297 J299 Sensor IAQ A11 HUM TMP Sensor Inputs A12 C R White Push Button Black Push Button Service Relays P5 S-BUS Factory Test P2 Expansion Card Connection (C4) Jul 3, 2020 · of this lockout relay: 345 kV transmission line for Substation A–Substation B–Substation C 345 kV transmission line for Substation A–Substation D 345/161 kV transformer A-T1 at Substation A Field personnel were dispatched to Substation A to investigate in response to this event. (IA/ICTL/IAC) [60] field relay (power system device function numbers) A relay that functions on a given or abnormally low value or failure of machine field current, or on an excessive value Belt Drive (standard efficiency) - 7. ) 5 - After disconnecting factory wiring to K10-4 and K149-4 (blue and pink female 1/4ʺ QC terminal) Page 1 ©2018 Lennox Industries Inc. 5 hp Factory O O O Belt Drive (standard efficiency) - 10 hp Factory O O O Supply VFD Blower Bypass (VAV/MSAV units w/VFD only) Factory O O O Drive Kits See Blower Data Tables for usage and selection Kit #1 740-895 rpm Factory O O O Kit #2 870-1045 rpm Factory O O O Kit #3 715-880 rpm Factory O O O View and Download Lennox LF24 manual online. I tried this for both the heat and fan-only settings, since they use separate relays. 33 0. 25” pan head) - Mag-Mount requires 4 and Smart Hub 2. Mar 6, 2013 · The relay that switches on the fan was closing the circuit when it should be, but the relay had no voltage across it. Failure to do so can result in death or electrical shock. Box 799900 Dallas, TX 75379−9900 IMPORTANT The Clean Air Act of 1990 bans the intentional venting of refrigerant (CFCs, HCFCs and HFCs) as of July 1, 1992. Single Input Photocell Card or. It uses the ECG-1 CAT:73K7901 control board. 34 5. gov | HOME NOTE: Due to Lennox’ ongoing commitment to quality, features and options are subject to change without notice and without incurring liability. So 24v should always be at the board, and that 24v comes from the transformer in the AH. lennox-parts. Feb 12, 2009 · 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 1–5. Either the pilot relay contacts did not close or the relay coil did not energize. E346 The R to O jumper was not removed on the air-handler control. Cat # : 14B05 Model/Part # : 14B0501 ter (POE) oils are used in Lennox units charged with HFC-410A refrigerant. EL16XC1-036-230A01 air conditioner pdf manual download. D8 Each 345 relay has a unique Mac Address. See figure trol relays to operate unit Builtin Functions Include: − Blower On/Off Delay − Builtin Control Parameter Defaults, ensure proper unit operation when power is restored after power failure − Service Relay Output − Defrost Control − Dehumidification Control − monitors humidity levels, will allow both heating 2 - Remove wiring to K10 relay. On automatic reset after tripping the relay, contacts will automatically reclose when the relay has cooled down. Deep vacuum operation can cause internal fusite arcing resulting in damaged internal parts and will result in com-pressor failure. Not gas valve, but control boards are prone to damage from storms and power surges 2. KITS AND ACCESSORIES. O relay / Stage 1 failed (Pilot relay contacts did not close or the relay coil did not energize), LENNOX RESIDENTIAL COMMUNICATING SYSTEMS SERVICE MANUAL Parameters and Error Codes-Troubleshooting for Communicating Thermostats, Indoor and Outdoor Units, iHarmony, Equipment Interface Module and PureAir S Corp1817-L8 3/2021 Table of Contents 1. Failure to properly flush the system per this instruc­ tion and the detailed Installation and Service Proce­ Relay. Visit us at www. The aluminum tape 2 - Remove wiring to K10 relay and K149 relay. W. 17 0. The transformer is factory-wired for 240V. throw relay to generate O and B signals. 92 4. I have thoroughly reviewed the document and can help you locate the exact information you need or explain the content in clear and simple terms. lennoxcommercial. Plug in one wire from the other end to terminal 7 on the K220 relay and connect the remaining wire to the float switch (S149). This is an advantage when the relays are inaccessible. 3 - Remove K149 relay, 56L6801, and replace with one of the relays provided, 67K6501. During cooling calls O is 24VAC and B open. NOTE: Confirm there is no short or open circuits in the Lennox communicating thermostat connections to any of the other components in the communication system. Dallas, Texas, USA THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE WARNING Improper installation, adjustment, alteration, service or ©2016 Lennox Industries, Inc. ELECTROSTATIC DISCHARGE (ESD) Precautions and Lennox Industries Inc. 500 91. Relocate the control module and relay to the unit control box, see Fig. tm 9-2320-363-24p i technical manual headquarters tm 9-2320-363-24p department of the army washington, d. WARNING To prevent personal injury, as well as damage to panels, unit or structure, observe the following: 10/2012 506757-01 (0659371-80) Page 1 2012 Lennox Industries Inc. Setpoint group 2 can be activated by programming the conditions under S4 Control/Change Setpoint Group menu. 6 - Connect one end of harness terminal marked TB1-C/ K220-B to terminal B on the K220 relay and the other end to the TB-1 C line. Residual mineral oil can act as an insulator, preventing proper heat transfer. This provides 24VAC to W, unless limit switch or F1 are open (or there is a related failure in the 24V supply or powerline 120V feed). dallas, texas, usa heat pump units kits and accessories 507633-01 7/2016 replacement defrost control installation instructions for replacement defrost control kit (15d57) O−RING LIQUID LINE LIQUID LINE SCREEN Refrigerant Flow Control Choice Units are applicable to expansion valve syst ems or RFC refriger ant flow control systems. 30" WC. 08. How can I obtain a copy of the Lennox furnace troubleshooting manual? Contact your local Lennox dealer or visit the official Lennox website. 500 8. (Refer to figures 4 and 5 for the harness to be discarded. 3 - Locate pin number 2 on the blower relay. Normally the O output is open and B output Nov 3, 2020 · Purchased off Amazon and was listed as in new condition Jan 22nd. EL280UHE(X) Blower Relay Kit (for two-stage outdoor units) 85W66 85W66 85W66 iComfort® M30 Smart Wi-Fi Thermostat 15Z69 15Z69 15Z69 Remote Outdoor Temperature Sensor X2658 X2658 X2658 Twinning Kit 16W72 16W72 16W72 FILTER KITS 1 Air Filter and Rack Kit Horizontal (end) Size of filter - in. Page 1 TROUBLESHOOTING FOR UNITS EQUIPPED WITH THE LENNOX BLOWER DRIVE 508106-01 10/2020 GAS UNITS KITS AND ACCESSORIES 2020 WARNING Improper installation, adjustment, alteration, service or matched according to Lennox recommendations for the compressor to be covered under warranty. I walked through the Blower Control troubleshooting steps, and felt pretty confident that a relay on the blower control board (BCC) was bad. Lennox S40 Smart Thermostat. transformer power H 24VAC humidifier signal output. BLOWER RELAY BLOWER RELAY PLASTIC CAPS 4-PIN BLOWER CONNECTOR HARNESS CHANGING BLOWER SPEED FIGURE 20 TABLE 2. I suspected either the motor or something electronic had failed, since it smelled like burned electronics inside the unit. diameter x width - in. SKU: Refer to the Lennox Refrigerant Piping Manual to determine refrigerant charge required with longer length refrigerant lines. Neither worked. The E30 uses a single-pole dual throw relay to generate O and B signals. Another more serious symptom of a problem with the blower motor relay is a burned or melted relay. - Replace the ignition module. 2 - Remove wiring to K10 relay. Use kit supplied self-tapping screws to mount DPST relay(s) to the control bracket. Normally the O output is open and B output at 24VAC during heating calls. For more details, refer to page 17 for unit sequence of operation. Slave Relay Panel(s) 4TwistedPair Cat 5 Cable with RJ45 Connectors at each end. 2- Affix wire markers to existing K25 relay wires if the marker is not already there or readable. Ordered a new board from www. (Make time and date as described on Page 8. IMPORTANT This unit must be matched with an indoor coil as specified in the engineering handbook. Lennox 104284-02, Thermal Sequencer Relay, DPDT N. Units are available in heating capacities of 44. , ON 1-60 Sec, OFF 1-45 Sec, 24 Volts Sale Clearance. Installation and service must be performed by a licensed professional HVAC installer or Sep 17, 2009 · Breaker Failure Relay Input Debounce Timer 0. Stage 2 1 - Install 24V power harness, A193 controller (ICM33) –A193-24V and A193-COM, to TB14-R and TB14-C. . See step 6. A relay that functions to prevent overheating of the field excitation winding by reducing or interrupting the excitation of the shunt field. P. 875 81. PCC-3, 3 Input Photocell Card could also be mounted in the nearest relay panel. 250 4. IMPORTANT The Clean Air Act of 1990 bans the intentional vent-ing of refrigerant (CFC’s and HCFC’s) as of July 1, 1992. 11/2017 . Lennox 67K6501, Relay, Flange Mount, DPDT, 24 VAC Coil, 15 Amp Page 1 TROUBLESHOOTING FOR UNITS EQUIPPED WITH THE LENNOX BLOWER DRIVE 508106-01 10/2020 GAS UNITS KITS AND ACCESSORIES 2020 WARNING Improper installation, adjustment, alteration, service or This unit has a delay relay that delays the supply blower “ON” for 1 second and keeps the blower “ON” for 45 seconds on all fan and cooling demands. Relay issues may also you’re your air conditioner to stop working properly. Approved methods of recovery, recycling or reclaiming must be followed. 500 108. The thermostat sends the unknown control a energized 24VAC is present on O terminal. 2ea#18AWG 2ea#18AWG Jul 7, 2018 · Thanks again for the guidance. This unit offers a range of features, including high efficiency operation, variable air volume control, and the ability to operate with either R-22 or R-410A refrigerant. Upgrade your HVAC system with industry-leading solutions. See figure 1 for Camstat relays and figure 2 for HD1 relays. Improper installation, adjustment, alteration, service or maintenance Feb 12, 2009 · Output relay #7 is the Critical Failure relay, used to indicate the correct functioning of the NOTE: 345 relay. This wire was removed from relay K10 and now to be wired to head pressure control. Relay. Not sure how to verify if it is new other than that. − Supplied with unit for field installation. Two black wires are connected to this terminal pin. 1 SECOND DELAY OFF 100% CFM 100% CFM 45 SECS COOLING DEMAND 1 2 34 Table of Contents CBA25UH Unit Dimensions – Upflow This heat kit includes a transformer and relay assembly. 08 0. Kit is not provided with coil blower; order separately. 2 HACR type circuit breaker or fuse. See also: relay. d. Relay O Failure. com Contact us at 1-800-4-LENNOX 1. Approved methods of recovery, recycling or Lennox 14B0501 Therm-O-Disc 15S2, Heat Sequencer Relay, 24V Coil, Class D, One Timing, 60 Seconds ON, 45 Seconds OFF. Table 1: Protection Elements. The O relay on the air-handler has failed. ©2017 Lennox Industries Inc. Wvfan79 : Hello there! Hope you are doing well today. REPLACEMENT KIT This section contains Lennox Relays for HVAC applications. Page 2 505059M 0511 Failure to do so can result in back or other type of injury. 1 Refer to the Lennox Refrigerant Piping Manual to determine refrigerant charge required with longer length refrigerant lines. Nevertheless, the relay may develop issues no matter how well you maintain it. Box 799900 Dallas, TX 75379−9900 Litho U. Temperature/Pressure Relief Valve − Provides temperature/pressure relief in case of abnormal operating conditions. In addition to conforming to manufacturer's installation instructions and local municipal building codes, installation of Lennox air handler units (with or without optional electric heat), shall conform with the following National Fire 345 - Free ebook download as PDF File (. - in. A misapplied system will cause erratic operation, can result in early failure of compressor or other components, and could affect the warranty. Lennox 67K6501, Relay, Flange Mount, DPDT, 24 VAC Coil, 15 Amp This unit has a delay relay that delays the supply blower “ON” for 1 second and keeps the blower “ON” for 45 seconds on all fan and cooling demands. The T-stat sitting in a timed wait state would prevent the Y line going high to signal compressor start, but the 24v should still be on the Red (R) and Blue (C) terminal points at the board. O/ B C G W1 Y1 R W2 R Y2 Y1 DS C G Y2 Y1 Typical One or Two-Stage Air Conditioning Unit M30 Thermosta t O ACC 2 C W3 W1 5 6 7 1 8 Lennox Air Handler Contro l 3 AIR HANDLER WITH 1 OR 2 STAGE AIR CONDITIONE R AND CONDENSATE OVERFLOW SWITC H 4 2 ACC 1 16 Tc To R2 D/ H W2 Y2 O/ B C G W1 Y1 R W2 R Y1 DS C G Y2 Y1 Typical Two-Stage Heat Pump Unit M30 3 Shipping and Packing List Quantity Description 1 iComfort® E30 smart thermostat includes a Smart Hub, HD Display, Mag-Mount and optional use wall plate. Their subsequent Failure to comply with this requirement will void the certification of the unit by the approval agencies. CBA25UH Blower Performance (3-Speed PSC) – 230V (CFM @ ESP. Smart Home Security & Monitoring | 2GIG 1 Heat stage 1 relay coil 2 Heat stage 2 relay coil 3 Relay coil return 4 Heat stage 3 relay coil 5 Heat stage 4 relay coil 6 Heat stage 5 relay coil 7 L1 230VAC supply from heater kit 8 L2 230 VAC supply from heater kit 9 Not Used Unit Start-Up 1 - Use speed tap selection charts in tables 2 and 3 to set air handler blower speed. ,15 february 2006 unit, direct support, and general support maintenance the event of a room sensor or thermostat failure. Installation and service must be performed by a qualified installer and servicing agency. 2 - Remove wiring to K149 relay. 0 unit controller to respond to a external safety switch trip (phase protector, low voltage, etc. 17 Breaker Failure Relay Processing Interval 0. pdf), Text File (. FIGURE 1 AFFIX WIRE MARKERS - CAMSTAT RELAY 28G2701 13 24 HH G 2 GCS16-823/1603 Units HH G 2 GCS24-1353 & 1603 Units AFFIX WIRE MARKERS GCS16-1853/3003 Units AFFIX WIRE MARKERS 12 Ignitor Relay Failure Indicates the Ignitor relay contacts on the ignition module are not functioning properly. 3. SPECIFICATIONS page 1 2016 lennox industries inc. 18 or 22AWG shielded Lennox Sep 3, 2023 · A relay is one of the crucial components of an AC unit, but most homeowners usually overlook it during maintenance leading to various electrical issues. FOR UNIT Moved Permanently. 352 Electric Heat Stage 2 Problem 345. Not a member? Register in 3 easy steps, today! Access to pricing and ordering Exclusive promotions Exclusive HVAC eTools Control board contains all necessary controls and relays to operate unit. UNIT HEATERS Horizontal-60 HZ. The Code 276 on an icomfort thermostat is indicating it is in Watch Guard Mode with a calibration issue. SEL introduced the world’s first microprocessor relay in 1984, revolutionizing the power protection industry by offering fault locating and other features for a fraction of the cost of earlier systems. Make sure there are "terminators" at each end of the bus. Aluminum tape must meet the provisions of SMACNA AFTS−100−73 Standards. Melted relay. 10 x 9 11 x 10 11 x 11 11 x 11 Motor output - hp 1/2 3/4 1 1 Tons of add-on cooling 2 - 3 2. Page 1 2018 Lennox Industries Inc. E348 Explore Lennox comfort and energy-efficient solutions for heating and cooling your space. 67 5. conventional Lennox cleanup practices must be used. relay. furnace is only 6years old, isn't that kinda soon for this type of failure? Yes, gas valves do not fail often, and this does seem sort of out of the ordinary. 5 - 4 3 - 5 3 - 5 Air Volume Range - cfm 545 - 1360 575 - 1800 890 - 2130 860 - 2180 COMM BOOT TIME 14:48:29 This screen shows the relay communication boot code time. 10ACC units are applicable to Lennox RFCIV systems when matched with specific evaporator coils. It can also clog the expansion device and reduce sys­ tem performance and capacity. OPTION 2 18 or 22AWG shielded Lennox Communicating Outdoor Unit Lennox Google's service, offered free of charge, instantly translates words, phrases, and web pages between English and over 100 other languages. Units are factory equipped for use with natural gas. relay 345 The 345 protection relay chassis used with a draw out relay is available separately, for use as a partial replacement or in test environments. However, automatic reset overload relays should not normally be used with 2-wire control. 1. 875 97. The economizer control module, relay and harness are located next to actuator for shipping. By default setpoint group 1 will be active. 125 2. TABLE 2. Three languages are supported (English, Français and Español), Air conditioning or heat pump units with up to four stages of heat / two stages of compressor operation (2 stages of heat pump heating, 2 stages of SEC. 3 - Remove K10 relay, 56L6801, and replace with relay provided, 67K6501. Normal Heat Sequence. S. HVAC-Talk: Heating, Air & Refrigeration Discussion 2024 Lennox Industries Inc. - Carbon deposits can be cleaned with emery cloth. 1007-L2 Revised August 2018 Service Literature INSTALLATION AND SERVICE PROCEDURE XC21 SERIES UNITS (iComfort®-ENABLED) NOTICE A thermostat is not included and must be ordered separately. − Opens at 210 F or 150 psig (99 C or 1034 kPa). com For the latest technical information, www. E347 The Y1 relay on the air-handler has failed. CHANGE BLOWER SPEED 1 - Disconnect all power supplies. A Lennox communicating thermostat must be used in communicating applications (CBX40UHV-XXX-230-6 Integrated Modular Control (IMC) — Solid-state board contains all controls and control relays to operate unit Built-in Functions Include: - Blower On/Off Delay - Built-in Control Parameter Defaults, ensure proper unit operation when power is restored after power failure - Service Relay Output - Defrost Control fied in Lennox Engineering Handbook. Relay K40 closes. Apr 10, 2025 · Lennox furnace owners often encounter common issues and have questions about troubleshooting their units. There will be no heating or cooling due to this alert code – moderate condition. DO NOT discard the wiring. The EIM uses a single-pole dual throw relay to generate O and B signals. , Varied Sequence, 24 Volts. 10" WC. For 208V, remove the red lead from the 240V terminal and connect it to the 208V terminal on the transformer. 6 Mounting screws (#6 X 1. Single wall vent material shall have all seams and joints sealed with pressure sensitive aluminium tape or silicone rubber sealant. 4 - Remove existing fan power harness and discard it. ) Air Handler Model Blower Speed . When power off/ or control reset, 24VAC power shall not be present Dedicated to sustainability and creating comfortable and healthier environments for our residential and commercial customers while reducing their carbon footprint, we lead the field in innovation with our cooling, heating, indoor air quality, and refrigeration systems. F4. 20" WC. C. Supersedes 506461-02. Two options are available to address an inductive voltage issue. OPTION 2. Jan 4, 2016 · Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system. A Lennox communicating thermostat must be used in communicating applications. The draw out relay with no chassis is also available to order as a spare unit. R Class II. Try the Error Code Lookup tool to instantly identify Lennox error codes and get troubleshooting steps on how to clear them. Includes: Fan timer control - fan on 45 seconds (fixed), fan off 150 seconds (fixed), terminal strip for thermostat connections, diagnostic LED for troubleshooting, continuous fan operation. Relays are exposed to high current loads and can sometimes get hot when they develop problems. Lennox Communicating Outdoor Unit Lennox Communicating Thermostat Cut shield off at this end Indoor Unit Communicating Control (Using Shielded Wiring for Communication Lines) 18AWG unshielded ** Shield (drain) wire MUST be connected to indoor unit common terminal. Safety Switch Input - Normally-closed digital input allows the Prodigy 2. O Heat pump reversing valve (24VAC = cool) Used as reversing valve output for heat pumps. and line set as outlined in the XP16 Lennox Engineering Handbook. Cat # : 12J17 Model/Part # : 104284-02 GAS FURNACES ML180UH MERIT® SERIES Upflow / Horizontal Bulletin No. An indoor coil check / expansion valve approved for use with HFC−410A must be ordered separately and factured with Lennox Duralok heat exchangers formed of aluminized steel. 0626-L5 May 1, 2006 Revised June, 2019 XP16 Service Literature INSTALLATION AND SERVICE PROCEDURE XP16 (HFC-410A) SERIES UNITS WARNING Improper installation, adjustment, alteration, service or maintenance can cause personal injury, loss of life, or damage to property. Dallas, Texas, USA CONTROLS . I thought about the short cycling and turned the power off to the furnace, waited a while, and turned it back on. XC21 Corp. 2 - Remove the air handler access panel. With relay de-energized 24VAC is present on O terminal. Anyone have a schematic for this or heard about this kind of failure? Carrier Great Lakes Shop by department, purchase cars, fashion apparel, collectibles, sporting goods, cameras, baby items, and everything else on eBay, the world's online marketplace LENNOX LGA/LGC/LCA/LCC 21, 25 and 30 ton is a rooftop unit designed for commercial buildings. One connects to pin number 5 on the blower relay, one connects to an in-line splice connecting O Heat pump reversing valve (24VAC = cool) Used as reversing valve output for heat pumps. Buy Lennox 72F83 Sequencer for your Lennox Furnace new from the technical experts. Mount DPST relay(s) (supplied with kit) next to the blower control board of Furnace 1. Free shipping on orders over $99 HI Pressure Switch, Manual Reset C. WARNING Mar 27, 2023 · So my best theory is the relay or something in the gas valve path has failed to the point that it still provides power to the gas valve but not enough power to engage it. Failure to follow this notice could result in damage to roof surface. with field supplied (PVC coupling) - o. Coils previously charged with HCFC-22 must be flushed. (194) LF24−230−250−300−345 and −400 models have two fans. ) shutting down unit operation. Connect the thermostat with Furnace 1, Furnace 2, and the DPST relay as shown in Figure 1 through Figure 3. Page 1 506457-01 10/2016 Supersedes 8/2013 PRODIGY® APPLICATION GUIDE Prodigy® Application Guide (Advanced Features) CAUTION To insure correct voltage phasing before startup: 1) use refrigerant pressure gauges to check proper compressor operation and, Nov 28, 2004 · I got a hold of a repair manual for the Lennox G23 models from a source on the internet. 2 2. Rapid Weak Flame Sensed Often caused by carbon deposits on the flame sensor, a poorly grounded furnace or a mis-aligned flame sense probe. We would like to show you a description here but the site won’t allow us. 7 - Plug in the harness terminal for K232-6 on terminal 6 of the relay. SKU: with field supplied (PVC coupling) - o. Normally the O output is open and B out-put at 24VAC during heating calls. 58C9701 Stacked Thermal Delay Relay, SPST N. com for a decent price, replaced the board, and the furnace works fine. RFCIV accurately meters refrigerant in system. Dallas, Texas, USA Page 1 THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. SERIAL NUMBER BL0A09000684 Each 345 relay has a unique Serial Number. Drawout & Non-Drawout Construction. lennox. 1 SECOND DELAY OFF 100% CFM 100% CFM 45 SECS COOLING DEMAND 1 2 34 Table of Contents CBA25UH Unit Dimensions – Upflow ©2017 Lennox Industries Inc. These FAQs address key concerns and provide guidance for resolving problems. com use type writer to change Dealer Phone Number Dealer Website If you want to modify a setting, use one of the tools shown in figure 6. 50" WC-018 LOW 538 525 503 471 418 MED 688 670 639 603 548 HIGH 919 881 855 788 710-024 LOW 677 673 Dec 4, 2015 · The original Lennox Installation Instructions includes a nice troubleshooting flowchart. Failure to connect to the appropriate terminal can cause the heat assembly to not operate properly. 210590 April 2019 Supersedes October 2018 AFUE - 80% Input - 44,000 to 132,000 Btuh Nominal Add-on Cooling - 2 to 5 Tons ©2018 Lennox Industries Inc. 3 - Remove the wiring plugged into K10-4 and K149-4. OPTION 1. ETHERNET MAC ADR 00. ) After changes have been made, use save to store the changed data or cancel to exit the View and Download Lennox EL16XC1-036-230A01 manual online. Corp. In non-communicating applications, the rubber to degrade. Kits are available for conversion to LPG operation. 3 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. Installation and service must be performed by a licensed professional HVAC installer (or equivalent), service agency or the gas supplier. Lennox Communicating System Wiring Connections using Unshielded (Option 1) or Shielded Wiring (Option 2) Cabling There may be situations where alternate wirings methods may need to be employed. Logic elements summary matched according to Lennox recommendations for the compressor to be covered under warranty. Timing relays can be applied to almost any application, these are available as plug-in devices, base-mounted devices, circuit boards and even as DIN rail mounted controls. Traditionally, timing relays were available only as single-function, single-time-range devices. Jan 15, 2023 · Heat section / Stage 1 failed (Pilot relay contacts did not close or the relay coil in the electric heat section did not energize). txt) or read book online for free. uncsei izlqmi anbif aopi injvy zhrmqso iejyyx qnrq jdylf fumjdeco