June.2012 TECHNICAL MANUAL FOR NORTH AMERICA Models Lossnay Unit LGH-F300RX5-E LGH-F470RX5-E LGH-F600RX5-E LGH-F1200RX5-E Lossnay Remote Controller PZ-60DR-E PZ-41SLB-E PZ-52SF-E Y11-001 Jun.2012 <MEE> June.2012 TECHNICAL MANUAL FOR NORTH AMERICA Models Lossnay Unit LGH-F300RX5-E LGH-F470RX5-E LGH-F600RX5-E LGH-F1200RX5-E Lossnay Remote Controller PZ-60DR-E PZ-41SLB-E PZ-52SF-E Y11-001 Jun.2012 <MEE> CONTENTS Lossnay Unit CHAPTER 1 Ventilation for Healthy Living 1. Necessity of Ventilation .................................................................................................................................... U-2 2. Ventilation Standards ....................................................................................................................................... U-3 3. Ventilation Method ............................................................................................................................................ U-4 4. Ventilation Performance .................................................................................................................................... U-7 5. Ventilation Load................................................................................................................................................. U-9 CHAPTER 2 Lossnay Construction and Technology 1. Construction and Features .............................................................................................................................. U-16 2. Lossnay Core Construction and Technology ..................................................................................................... U-16 3. Total Energy Recovery Efficiency Calculation .................................................................................................. U-18 4. What is a Psychrometric Chart?........................................................................................................................ U-19 5. Lossnay Energy Recovery Calculation .............................................................................................................. U-20 CHAPTER 3 General Technical Considerations 1. Lossnay Energy Recovery Effect ...................................................................................................................... U-22 2. Calculating Lossnay Cost Savings .................................................................................................................... U-24 3. Psychrometric Chart ......................................................................................................................................... U-26 4. Determining Lossnay Core Resistance to Bacterial Cross-Contamination and Molds ..................................... U-28 5. Lossnay Core Fire : retardant property ............................................................................................................. U-30 6. Lossnay Core Sound Reducing Properties Test ............................................................................................... U-31 7. Changes in the Lossnay Core .......................................................................................................................... U-32 8. Comparing Energy Recovery Techniques ........................................................................................................ U-34 CHAPTER 4 Characteristics 1. How to Read the Characteristic Curves ........................................................................................................... U-38 2. Calculating Static Pressure Loss ....................................................................................................................... U-38 3. How to Obtain Efficiency from Characteristic Curves ....................................................................................... U-41 4. Sound ............................................................................................................................................................... U-42 5. NC Curves ....................................................................................................................................................... U-48 CHAPTER 5 System Design Recommendations 1. Lossnay Operating Environment ...................................................................................................................... U-52 2. Sound Levels of Lossnay units with Built-in Fans ............................................................................................ U-53 3. Attaching Air Filters .......................................................................................................................................... U-53 4. Constructing the Ductwork ............................................................................................................................... U-53 5. Bypass Ventilation ............................................................................................................................................ U-53 6. Night purge function ......................................................................................................................................... U-53 7. Transmission Rate of Various Gases and Maximum Workplace Concentration Levels .................................... U-53 8. Solubility of Odors and Toxic Gases, etc., in Water and the Effect on the Lossnay Core ................................. U-54 9. Automatic Ventilation Switching ......................................................................................................................... U-55 10. Alternate Installation for Lossnay ..................................................................................................................... U-56 11. Installing Supplementary Fan Devices ............................................................................................................. U-57 i CHAPTER 6 Examples of Lossnay Applications 1. Large Office Building ........................................................................................................................................ U-60 2. Small-Scale Urban Building ............................................................................................................................. U-64 3. Hospitals .......................................................................................................................................................... U-65 4. Schools ............................................................................................................................................................ U-67 5. Convention Halls, Wedding Halls in Hotels ....................................................................................................... U-68 6. Public Halls (Facilities such as Day-care Centers) ............................................................................................. U-69 CHAPTER 7 Installation Considerations 1. LGH-Series Lossnay Ceiling Embedded-Type (LGH-RX5 Series) .................................................................... U-72 CHAPTER 8 Filters 1. Importance of Filters ........................................................................................................................................ U-76 2. Dust .................................................................................................................................................................. U-76 3. Calculation Table for Dust Collection Efficiency for Each Lossnay Filter ........................................................... U-77 4. Comparing Dust Collection Efficiency Measurement Methods ........................................................................ U-78 5. Calculating Dust Concentration Levels ............................................................................................................ U-80 CHAPTER 9 Service Life and Maintenance 1. Service Life ....................................................................................................................................................... U-82 2. Cleaning the Lossnay Core and Pre-filter ......................................................................................................... U-82 CHAPTER 10 Ventilation Standards in Each Country 1. Ventilation Standards in Each Country .............................................................................................................. U-86 2. United States of America................................................................................................................................... U-87 3 . United Kingdom ................................................................................................................................................ U-87 CHAPTER 11 Lossnay Q and A ....................................................................................................................... U-90 Note: The word “LGH-F300 to 1200RX5-E” in this Lossnay Technical Manual expresses both the products for 50Hz area and 60Hz area, except for some parts where model name difference are written clearly. ii Lossnay Remote Controller 1. Summary ..................................................................................................................................................................... C-3 2. Applicable Models ............................................................................................................................................... C-3 3. Terminology