1 Exam Prep Manual J Residential Load Calculation 8 th Edition Tabs and Highlights

Transcription

1 1 Exam Prep Manual J Residential Load Calculation 8 th Edition Tabs and Highlights These 1 Exam Prep tabs are based on the Manual J Residential Load Calculation for Small Commercial Buildings, 8 th Edition. Each Tabs sheet has five rows of tabs. Start with the first tab at the first row at the top of the page; proceed down that row placing the tabs at the locations listed below. Place each tab in your book setting it down one notch until you get to the last tab (usually the index or glossary). Then start with the highlights. 1 Exam Prep Tab Page# Table of Contents viii Types of Heating and Cooling 1 Loads Making an Accurate Load 9 Estimate Basics- Evaluating Envelope 13 Tightness & Loads Component Heating Loads 23 Component Cooling Loads 31 Form and the 41 Worksheets Block Load Example 53 Block and Room Loads Example 65 What to Do Next 73 Advanced Issues and Concepts 83 Advanced Application Example 89 Inadequate Exposure Diversity 117 Example Multizone System Example Exam Prep Manual J 1

2 1 Exam Prep Tab Page# Addition w/ Large South Glass 133 Area Solarium Heat Transfer 137 Multipliers Design Conditions 145 Fenestration Load Procedures 151 Opaque Load Procedures 171 Infiltration Load Procedures 175 Infiltration Load Procedures 183 Internal Load Procedures 189 Duct Load Procedures 193 Ventilation Load Procedures 209 Blower Heat 215 Hot Water Piping Load 217 Winter Humidification Load 219 Moisture Migration Load 225 Tables 227 Capabilities and 417 Sensitivities Adequate Exposure Diversity 421 Mathematics 425 Survey 453 Troubleshooting 463 Equations 469 Glossary Exam Prep Manual J 2

3 1 Exam Prep Tab Page# Symbols & Abbreviations 497 Forms & Worksheets 505 Software Protocols 517 ANSI/ASHRAE Std Index 541 This concludes the tabs for this document. Please continue with the highlights on the following below. Section Page# Highlight Envelope Loads Block Load and Peal Block Load Room Load System Loads Duct Loads Ventilation Load Summer Dehumidification Load Induced Infiltration Load Protocols for Estimating Heating and Cooling Loads Fenestration Indoor Design Conditions Evaluating Envelope Tightness Evaluating Internal Loads Evaluating Duct Loads Minimum Ventilation Rate Fenestration Heating Load Opaque Heating Load 1 Exam Prep Manual J 3

4 Block Infiltration Load for Heating Duct Load for Heating Total Heating Load Cooling load Calculations Fenestration Cooling Load Opaque Panel Cooling Load Block Infiltration Cooling Load Internal Loads for Cooling Duct Load for Cooling Engineered Ventilation for Cooling Order of Procession Block Load Estimate Room Load Estimate Check Your Work Codes and Standards Primary Cause of Load peaks 83 Figure 11-1: Peak Glass Cooling Load for Dwellings Ventilation Loads Load Estimating Procedures Sizing Loads by Application Procedure for Evaluating Zoning Requirements Trigger for Section 16 Procedures Heating HTM Value Solar Flux Values for Solariums HTM Value Calculation HTM Tables for Selected Types of Glass 139 Table Table Table Outdoor Design Conditions Default Indoor Design Conditions Design Temperature Difference for Partitions 1 Exam Prep Manual J 4

5 149 Figure 18-8: Energy Balance at the Summer Design Condition Heating HTM for Generic Windows and Glass Doors 152 Figure 19-1: Fenestration Options, Construction Numbers and Table Guide Default Cooling HTM for Generic Fenestration Heating HTM for rated Windows and Glass Doors Cooling HTM for Rated Fenestration Large Glass Areas Shading Coefficients Understanding Window Performance Glazing Material Performance 168 Figure Heating HTM Values General Cooling HTM Values Infiltration Flow Rate Default Infiltration Table 176 Table 5A Component Leakage Area Method Infiltration Loads Room Infiltration Loads Combining Infiltration and Ventilation Pressure Drivers Default Appliance Loads Table 6A: Appliance, Equipment and Lighting Loads Custom Internal Load Estimate Occupancy Loads Default Load Factors 23-3 Discharge Temperature for Heating 194 Figure Floor Area Look-up Value Average Load Factors Factors that Affect Duct Loads Sensible Load with Engineered Ventilation 1 Exam Prep Manual J 5

6 Latent Load with Engineered Ventilation Ventilation Load Assignment Moisture Migration Load 230 Table 1A: Outdoor Design Conditions for the United States 253 Table 1B: Micro Climate Data 275 Table 2A: Default Performance Values for Generic Fenestration 287 Table 2B: Heat Loss for Generic Fenestration 289 Table 3A: Default Cooling HTM for generic Windows and Glass Doors 293 Table 3B: Default Cooling HTM for Generic Windows and Glass Doors 297 Table 3C: Default Cooling HTM for Generic Skylights 303 Table 3D: Default Cooling HTM for NFRC Rated Fenestration Windows, Glass Doors and Skylights 306 Table 3E: Heat Gain Adjustment for Generic and NFRC Rated Fenestration 313 Table 4A: Heating and Cooling Performance for Opaque Panels U-values and Group Numbers or CLTD Values 351 Table 4B: CLTD Values for Medium Color Exposed Walls and Garage Partition Walls 353 Table 4C: Approximate Ambient Temperature in a Closed Garage 354 Table 4D: Approximate Ambient Temperature in an Isolated Sunroom 355 Table 4E: Approximate Ambient Temperature in an Encapsulated Attic 357 Table 5A: Infiltration Air Change Values for Three or Four Exposures 358 Table 5B: Infiltration Air Change Values for One or Two Exposures 359 Table 5C: Effective Leakage Area of Structural Components 360 Table 5D and 5E Effective leakage Cfm Equation 363 Table 6A: Default Scenarios and Values for internal Loads 364 Table 6B: Approximate Sensible and Latent Loads Generated by Appliances 365 Table 7: Duct Load Tables 1 Exam Prep Manual J 6

7 403 Table 8A and 8B: Default Ventilation Rate Moisture Content of Sea Level Air 404 Table 9: Heating Load for Hot Water Piping 405 Table 10A and 10B: Altitude Correction Factors for The Sensible and Latent Heat Equations Air Density Values at Altitude 406 Table 11: Blower Motor Power 407 Table 12: Moisture Content of Outdoor Air at Sea Level and at altitude Makeup Water Requirement and Humidification Load 409 Table 13: Permeance of Structural and Building Materials 445 R-Values of Common Building Materials 1 Exam Prep Manual J 7