Lennox International Inc PWC18E14.7, PWC24E9.2, PWC302, PWC24E14.7 Armstrong AIR Conditioning INC

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INSTALLATION

AND MAINTENANCE

INSTRUCTIONS

PWCSERIES

SELF-CONTAINEDHEATPUMP

ManufacturedBy

ARMSTRONG AIR CONDITIONING INC.

A LENNOXInternationalInc. Company

421 MonroeStreel

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Contents IIIIIIIIIIIIll PWCInstallation EuctricalwiringPWC Drain Installation CAUT,ONMinimum Required Surface Area for Disposable Filters Application LimitationsAirFilter Table tDefrost Cycle Defrost ControlHeating Conducting any maintenance procedures SuctionConnection Diagram PWC with 5, 7 or 10 KW Heat Strip CAPACrR-RUNConnection Diagram PWC with 15 KW Heat StripConnection Diagram PWC with No Heat Strip Fin-r==Installed by Warranty BeginsWarranty on Replacement Components Age Lennox International CompanyFrontof Z9- -,4 Instailing Wall Sleeve from InsideArmstrong AIR Conditioning INC LENNOXInternationalInc. CompanyInspectionof Shipment PWC 242 A-1AGeneral Electric HeatingWith Wall Sleeve CondensatedrainPA.T.OI. ,,,,,,.0 I, 0,I I Suerseoesi 00I PAE,O,O InstructionforsupportingpwcunitsDuctwork LimitationsCool Heat AIR FilterSequenceof Unit Operation Powerand ControlwiringMooel no Idnstallation Electricheating Location PART.OI DArEI 4-5-9I Supersedes NEWPA,TNOI 4tt94OOB4I DA EI 41594SUPERSEDESI Newi page OFtO Partno Modelno FilterareaminSystem Performance Defrostcontrolsettingdefrosttest CycletimeT2 = 60 Minutes PWC SuctionsuperheatNormal Maintenance Physicaland Electricaldata9Do9IOA.El .-5-lgSUE.SEOESl .EW I ,GEgOF,O Bujeiiiiii Iiiiii Installation Forward Keep this Manual in a Safe Place for Ready ReferencePartNo SOF089 Supersedes 30790G082 30?90F089 Date 149 Supersedes Table of Contents InstallationMaintenance and Service Operation Instructions307g0F089 Date Supersedes 30790G082Pageof12 Freezing Pan No 307g0F089 PWGI8E7.2 DateSingle Entry Supply Multiple Entry SupplyThermostat 30790F089 Date Supersedes 30790G082 Operation Instructions 30790F089 Date 1o89 Supersedes 30790G082

PWC18E14.7, PWC18E4.8, PWC182, PWC24E7.2, PVVC24ElO.7 specifications

Lennox International Inc. is a leading provider of innovative heating, ventilation, and air conditioning (HVAC) solutions. Among its diverse range of products, the company offers various models of packaged water chillers designed for efficiency, performance, and reliability in commercial applications. The PWC18E10.7, PWC302, PWGI8E7.2, PWC182, and PWC242 are notable examples of Lennox's commitment to quality and advanced technology in packaged water chillers.

The Lennox PWC18E10.7 is a high-efficiency chiller featuring a compact design, making it suitable for space-constrained environments. With a cooling capacity of 18 tons, this model utilizes a scroll compressor for reliable operation and low energy consumption. Its advanced microchannel coil technology enhances heat transfer efficiency, allowing for better cooling performance with a reduced refrigerant charge.

The PWC302 is another robust offering, boasting a cooling capacity of 30 tons. This model is designed for outdoor installation, equipped with fully controllable variable-speed fans that adapt to varying load conditions. The PWC302 is notable for its low noise levels, making it ideal for applications where sound restrictions are paramount. Its advanced controls also provide flexibility in managing energy usage, further enhancing its appeal for eco-conscious businesses.

The PWGI8E7.2 is distinguished by its inverter-driven compressor, which allows for precise temperature control and enhanced efficiency. This model, with an 8-ton cooling capacity, is particularly suited for environments requiring consistent cooling. Its compact footprint coupled with high energy efficiency ratings means it can be easily integrated into existing systems while ensuring optimal performance.

The PWC182, another capable unit, is designed with a focus on durability and ease of maintenance. Features such as a corrosion-resistant cabinet and user-friendly access panels make it a practical choice for facilities managers. The PWC182 operates quietly and efficiently, ensuring minimal disruption in operational settings.

Lastly, the PWC242 provides a larger cooling capacity of 24 tons, making it ideal for medium to large commercial spaces. Its advanced refrigerant management system optimizes performance while meeting environmental regulations. All these models incorporate advanced electronic controls, which enhance operational efficiency and provide real-time monitoring capabilities, allowing users to optimize energy consumption based on actual demand.

In summary, Lennox International offers a range of advanced packaged water chillers, including models like the PWC18E10.7, PWC302, PWGI8E7.2, PWC182, and PWC242. Each model features cutting-edge technologies aimed at delivering high efficiency, reliability, and ease of use, making them suitable choices for commercial applications seeking sustainable and effective HVAC solutions.