Aprilaire 1953 & 1972 service manual Models 1952, 1953, Read and Save this Manual

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Ultraviolet Germicidal Lamps

Model 1952

24” Rooftop Unit

Model 1953

32” Rooftop Unit

Model 1972

Rooftop Unit, Internal Mount

Safety, Installation and Service Manual

Models 1952, 1953 & 1972

READ AND SAVE THIS MANUAL

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Contents Read and Save this Manual Models 1952, 1953Safety Instructions Table of ContentsII. Application III. InstallationDetermine Mounting Location Installation of External Mount Rooftop Units Models 1952Make Electrical Connections Install the Unit BaseModel 1952/1953 Lamp Installation Install LampCheck Lamp Operation Installation of Internal Mount Rooftop Units ModelMore details Model 1972 Wiring Diagram IV. Annual Lamp Replacement VII. Lamp Replacement Record VI. TroubleshootingList of Replacement Parts Lamp DisposalWarranty Registration VIII. Limited Warranty