Maricopa Community Colleges  ABA186   19996-20086 
Official Course Description: MCCCD Approval: 07/22/08
ABA186 19996-20086 LEC 2 Credit(s) 2 Period(s)
Supplemental Water
Function and installation of shock arrestors. Type and applications of solar water heating systems. Corrosion and freeze protection for solar systems. Function of solar control systems. Common water problems and their solutions. Installation and use of corrective appliances and equipment. Installation of recirculation and hydronic heating systems.
Prerequisites: None.
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MCCCD Official Course Competencies:
 
ABA186   19996-20086 Supplemental Water
1. Describe and install specific types of shock arrestors. (I)
2. Describe types, preferred usage and other applications of solar water heating systems. (II)
3. Explain specific methods of corrosion and freeze protection in solar heating systems. (III)
4. Identify and describe the function of solar controls in hot water systems. (IV)
5. Identify, describe and analyze problems and solutions common to water. (V)
6. Install and demonstrate the use of corrective appliances and equipment. (VI)
7. Install recirculation systems according to local code requirement (VII)
8. Identify types and components of hydronic heating systems and demonstrate installation techniques. (VIII)
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MCCCD Official Course Outline:
 
ABA186   19996-20086 Supplemental Water
    I. Shock Arrestors
        A. Types
        B. Function
        C. Installation
      II. Solar Hot Water Heating Systems
          A. Types
          B. Preferred usage
          C. Other applications
            1. Forced air heating
            3. Radiant heating
            4. Fluid heat exchanger
            5. Single heat storage tank
        III. Corrosion and Freeze Protection
            A. Heat exchangers
            B. Antifreeze
            C. Sacrificial metal
            D. Getter
            E. Nonaqueous fluids
            F. Di-electric fittings
          IV. Solar Controls
              A. Differential thermostat
              B. Limit switch
              C. Boogie valve
              D. Expansion tanks
            V. Water Issues
                A. Problems
                  1. Hardness
                  2. Iron
                  3. Hydrogen sulfide
                  4. Turbidity
                  5. Organic color
                  6. Taste and odor
                  7. Corrosiveness
                  8. Contamination
                  9. Excessive fluorides
                B. Solutions
                  1. Iron exchangers
                  2. Precipitation
                  3. Coagulation
                  4. Filtration
                  5. Additives
                  6. Disinfection
              VI. Appliances and Equipment
                  A. Water softeners
                  B. Chemical feeders
                  C. Retention tanks
                  D. Filters
                VII. Recirculation Systems
                    A. Characteristics
                      1. upfeed
                      2. downfeed
                      3. combined
                    B. Installation
                      1. components
                      2. layouts
                      3. local code requirements
                  VIII. Hydronic Heating Systems
                      A. Types
                        1. one-pipe
                        2. two-pipe
                      B. Components
                        1. boilers
                        2. boiler accessories
                        3. piping
                        4. valves
                        5. radiation units
                      C. Installation
                        1. roughing in the piping
                        2. equipment placement
                        3. test and balance
                        4. finishing
                        5. start and final test
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