Lennox International Inc Gas Units Condensate Assembly, RINGS CAP HI/LO Screws, Vent Nipple TEE

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NOTE − The condensate trap drain stubs (both sides) have an outer diameter which will accept a standard 3/4" PVC coupling. The inner diameter of each stub will accept standard 1/2" diameter PVC pipe.

NOTE − Vinyl tubing may be used for condensate drain. Tubing must be 1−1/4" OD X 1" ID and should be attached to the drain stubs on the trap using a hose clamp.

5 − If unit will be started immediately upon completion of installation, prime trap per procedure outlined in Unit Start−Up section.

6 − Glue the provided cap onto the unused condensate drain line stub.

CONDENSATE ASSEMBLY

4 − Glue the field−provided drain line to the tee. Route the drain line to an open drain. As an alternate, clear vinyl tubing may be used to drain condensate away from the trap. Secure the vinyl tubing to the drain stubs on the trap using a hose clamp. Do not overtighten the hose clamp.

Condensate line must be sloped downward away from condensate trap to drain. If drain level is above con- densate trap, condensate pump must be used. Con- densate drain line should be routed within the condi-

O−RINGS

CAP

HI/LO SCREWS

(DO NOT use power driver. Hand−tighten using screw driver.)

VENT

NIPPLE

TEE

NIPPLE

tioned space to avoid freezing of condensate and blockage of drain line. If this is not possible, a heat cable kit may be used on the condensate trap and line. Heating cable kit is available from Lennox in various lengths; 6 ft. (1.8m) − kit no. 26K68; 24 ft. (7.3m) − kit no. 26K69; and 50 ft. (15.2m) − kit no. 26K70.

SCREW

COUPLING

CLEAN−OUT ACCESS

(both sides)

CONDENSATE TRAP

CAUTION

Do not use copper tubing or existing copper condensate lines for drain line.

NOTE − Use screws to secure condensate trap to cabinet. DO NOT apply glue to this joint. All other joints must be glued.

FIGURE 45

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Contents Installation Instructions Table of ContentsFront View Side View G61MP Unit Dimensions − inches mmTOP View Glass Assembly G61MP Parts ArrangementTOP CAP Sight BlowerSafety Information Direct Vent Installation NON−DIRECT VentInstallation G61MP Gas FurnaceUse of Furnace as Construction Heater General Combustion, Dilution & Ventilation AirEquipment in Confined Space − ALL AIR from Inside Equipment in Confined Space − ALL AIR from Outside Installation − Setting EquipmentEquipment operation Setting Equipment Front ViewSide View END ViewUpflow Applications Refer to Engineering Handbook for additional informationFront View Furnace FrontSetting an Upflow Unit Leveling BoltFurnace Locations Bottom Leveling Bolt NON−COMBUSTIBLE Floor Opening SizeAdditive Base Floor Opening Size Side ViewINTAKE/EXHAUST Connection Support Frame Drain PAN Blower Access PanelTypical Horizontal Ceiling Application Intake Pipe Exhaust Pipe GAS ConnectorMIN Raised Platform Condensate Line Service Platform Pipe & Fittings Specifications Piping and Fittings SpecificationsFilters Duct SystemOutdoor Termination Kits and Corresponding Equivalencies Model DIAVent Piping Guidelines Minimum Vent Pipe Lengths Maximum Vent Pipe LengthsJoint Cementing Procedure Plastic strapping or a large wire tie Venting PracticesMAX Plug TrapTypical Exhaust Pipe Connections Transition Direct Vent applications where combustion air is takenFrom indoors and flue gases are discharged outdoors Sweep ELL Intake Debris Screen Page Inside Corner Detail Inches 305mm or 12 in mmUS Installations1 Canadian Installations2 Exhaust Pipe Termination Size Reduction G61MPDirect Vent Roof Termination KIT TOP View Wall Ring KIT with Straight IntakeFront View Using Existing Chimney ANGLE−CUT in Direction G61MP Direct Vent ApplicationSide View NON−DIRECT Vent Wall Ring Termination G61MP NON−DIRECT Vent Application Using Existing ChimneyCondensate Piping Condensate Assembly Coupling CLEAN−OUT Access−RINGS CAP HI/LO Screws Vent Nipple TEEGas Piping Furnace Isolate GAS ValveHorizontal Applications Possible Gas Piping Configerations GAS Pipe Capacity − FT3/HR kL/HRPrecautions and Procedures Interior MAKE−UP BOX InstallationElectrical Electrostatic Discharge ESDTypical G61MP Field Wiring Diagram Heat / 2 Cool Cut Intact OFF Cut IntactTWO−STAGE Integrated Control Board = Error Code Recall H= 24V Humidifier Output L= do not USEDIP Switches Function Integrated Control Board DIP Switch Settings and Jumpers Typical G61MP Wiring Diagram Unit Start−Up For Your Safety Read Before OperatingIntegrated Control Board White Rodgers 36E Series GAS Valve Honeywell VR8205 Series GAS ValveIf the appliance will not operate, follow the instructions Gas Pressure AdjustmentUrning Off Gas to Unit and call your service techni High Altitude Information Order TWO EachOther Unit Adjustments Carbon Monoxide Poisoning HazardPage Blower Performance Data 270In. w.g High Low Cfm Watts 2840 1450 In. w.g High Low Cfm Watts 2720 1385 In. w.g High Low Cfm Watts 2730 1465 Heating Sequence of Operation Service Electrical SHOCK, Fire Or Explosion HazardPage Planned Service + Y Ignition Control Board Diagnostic CodesFlash Code Status / Error Description Troubleshooting Heating Sequence of Operation On NextHeating Sequence of Operation Thermostat Calls for Heat Status LED − HeartbeatU1.40 microamps Or Heat Demand is SATISFIED. a Five Troubleshooting Cooling Sequence of Operation Cooling Sequence of OperationContinuous LOW Speed FAN Sequence of Operation Troubleshooting Continuous Fan Sequence of OperationRepair Parts List Heat Anticipator Setting? Thermostat Level? Vent Pipe Sizing WorksheetG61MP Start−Up & Performance Check List − LP/Propane High Fire Manifold PressureRequirements for Commonwealth of Massachusetts LY BELOW. Keep Clear of ALL OBSTRUC- Tions
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G61MP Series Units, Gas Units specifications

Lennox International Inc. has established itself as a leader in the heating and cooling industry, and its G61MP Series Gas Units stand as a testament to the company's commitment to innovation and energy efficiency. These gas units are specifically designed for residential applications and are recognized for their reliability, performance, and advanced technology.

One of the main features of the G61MP Series is its variable speed motor, which offers significantly enhanced comfort over traditional single-stage gas units. This technology allows for precise temperature control and improved humidity management. By adjusting its speed according to the heating demand, the unit minimizes temperature fluctuations, leading to a more consistent indoor climate.

Another notable characteristic of the G61MP Series is its ECM blower motor, which operates quietly and efficiently. This motor not only reduces energy consumption but also enhances the overall comfort of the home by providing a steady flow of warm air without the disruptive noise often associated with traditional gas units.

The G61MP Series units are designed with a focus on energy efficiency, boasting an impressive Annual Fuel Utilization Efficiency (AFUE) rating. This rating indicates that these units convert a significant portion of the fuel they consume into usable heat, resulting in lower energy bills for homeowners. The units are equipped with a modulating gas valve that further optimizes fuel usage by adjusting the gas flow according to the heating needs of the home.

Safety is a paramount consideration in the design of the G61MP Series. These units are built with advanced safety features, including a self-diagnostic control system that continuously monitors the unit’s performance. This system alerts homeowners to any potential issues, allowing for proactive maintenance and ensuring the longevity of the equipment.

The G61MP Series is also designed for ease of installation and servicing. Its compact design allows for flexible placement in various home environments, while the user-friendly access panels simplify routine maintenance tasks.

In conclusion, Lennox International Inc.'s G61MP Series Gas Units deliver a combination of advanced technology, energy efficiency, and reliability, making them an excellent choice for homeowners looking to enhance their heating systems. With features designed to maximize comfort, minimize energy costs, and ensure safety, these units represent a significant advancement in residential heating solutions.
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