Aprilaire 1952 Manuel de service

Safety, Installation and Service ManualModels 1952, 1953 & 1972Ultraviolet Germicidal LampsREAD AND SAVE THIS MANUALModel 1952 24” Rooftop UnitMod

10IV. ANNUAL LAMP REPLACEMENTThe Aprilaire Ultraviolet Germicidal Lamp is designed for the lamp to be on at all times. After 9,000 hours of operation

11VI. TROUBLESHOOTINGIf the Lamp does not operate, check the following: 1. Electrical Connections – Verify that the Lamp has been wired correctly. The

B22032831015 E. WASHINGTON AVE. • MADISON, WI 53703 • PHONE: 888/782-8638 • FAX: 608/257-4357 • www.aprilairecontractor.comVIII. LIMITED WARRANTYYour

2I. SAFETY INSTRUCTIONSWARNINGUltraviolet light is harmful to eyesand skin. Never look at light producedby this lamp. Shut off power to lampbefore ser

3II. APPLICATIONModels 1952, 1953, and 1972 Aprilaire Ultraviolet Germicidal Lamps are designed for the treatment of evaporator coils used inrooftop H

4INSTALLATION OF EXTERNAL MOUNT ROOFTOP UNITS (MODELS 1952 & 1953)a. The lamps are intended for evaporator coil treatment. See Figure 2 for typica

5INSTALL THE UNIT BASE1. Using the Unit Base as a guide, mark the locations for the lamp and mounting holes on the rooftop unit cabinet. 2. Carefully

6INSTALL LAMP1. Remove Lamp from shipping tube. Use ceramic ends of Lamp when handling – do not touch the glass tube of Lamp. Use alcohol to remove an

7INSTALLATION OF INTERNAL MOUNT ROOFTOP UNITS (MODEL 1972)Wiring Access CoverMounting BracketsLamp SocketLampFIGURE 5 – Model 197290-744CHECK LAMP OPE

8a. The lamps are intended for evaporator coil treatment. See Figure 6 for typical installations. If a single Lamp cannot illuminate themajority of th

93A FuseGroundYellow (2)NOT USEDBallastLamp SocketRed (2)Blue (2)WhiteBlackGreenGreenBlack120VAC to277VACPower SourceWhiteInterlock switches(not provi