2019 EDITION v 1 0 MODULE 9 System

2019 EDITION – v 1. 0 MODULE 9 System Tests Designing and Installing Exterior Vapor Distribution Systems

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems LESSON 1 System Tests 2

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Introduction LESSON 1 3

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Introduction (cont. ) After completing this lesson, you will be able to: § Recognize the different system tests. § State when each check or test should be performed. LESSON 1 4

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems System Tests LESSON 1 5

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems System Tests (cont. ) LESSON 1 6

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Test for Leakage LESSON 1 7

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Pressure Test (cont. ) LESSON 1 8

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Pressure Test (cont. ) LESSON 1 9

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Leak Check and Leak Test LESSON 1 10

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Leak Check and Leak Test (cont. ) LESSON 1 11

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Flow and Lock-up Tests LESSON 1 12

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Flow and Lock-up Tests (cont. ) LESSON 1 13

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Flow and Lock-up Tests (cont. ) LESSON 1 14

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Module Summary You should remember this important point: • After installation of a vapor distribution system is completed and before the system is placed into service, a series of checks and tests must be performed. These must be performed by a trained technician. System tests include pressure test, leak check, leak test, flow test, and lock-up test. LESSON 1 15

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Questions? LESSON 1 16

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Module 9 Quiz MODULE 9 QUIZ 17

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Module 9 Quiz 1. According to NFPA 54, a pressure test applies pressure of not less than ___ times the proposed maximum working pressure of the interior piping, but in no case less than ___ psig. a. 2½/3 b. 1½/2 c. 1½/3 d. None of the above MODULE 9 QUIZ 18

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Module 9 Quiz 2. The requirement for performing a leak check only applies to the portion of the piping covered by NFPA 54. a. True b. False MODULE 9 QUIZ 19

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Module 9 Quiz 3. A leak test is performed after a leak is identified in a system, and it is performed _____ the pressure test and leak check. a. After b. Before c. A leak test is not a kind of system test d. None of the above MODULE 9 QUIZ 20

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Module 9 Quiz 4. Flow tests and lock-up tests are typically performed on vapor distribution systems ____ to determine if the piping system and regulator(s) are sized correctly for the estimated load and are functioning properly. a. During shut down b. Flow tests and lock-up tests are never performed on vapor distribution systems c. During start up d. Both a and c MODULE 9 QUIZ 21

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Module 9 Quiz 5. A lock-up test measures the pressure in the lines downstream of the first-stage regulator to ensure that the regulator will shut off the flow of propane when the appliances are not calling for gas. a. True b. False MODULE 9 QUIZ 22

2019 EDITION – v 1. 0 Designing and Installing Exterior Vapor Distribution Systems Questions? MODULE 9 QUIZ 23