Aprilaire 1952, 1953 & 1972 service manual

Safety, Installation and Service Manual

READ AND SAVE THIS MANUAL

Model 1952

24” Rooftop Unit

Model 1953

32” Rooftop Unit

Model 1972

Rooftop Unit, Internal Mount

Contents

Main Safety, Installation and Service Manual Models 1952, 1953 & 1972 Ultraviolet Germicidal Lamps I. SAFETY INSTRUCTIONS WARNING CAUTION TABLE OF CONTENTS II. APPLICATION III. INSTALLATION NOTES FOR ALL MODELS INSTALLATION OF EXTERNAL MOUNT ROOFTOP UNITS (MODELS 1952 & 1953) Page abc INSTALLATION OF INTERNAL MOUNT ROOFTOP UNITS (MODEL 1972) Page Page IV. ANNUAL LAMP REPLACEMENT LAMP REPLACEMENT INSTRUCTIONS (EXTERNAL & INTERNAL MOUNT UNITS): VI. TROUBLESHOOTING V. LAMP DISPOSAL LIST OF REPLACEMENT PARTS VII. LAMP REPLACEMENT RECORD VIII. LIMITED WARRANTY Thank you!