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HVAC - Coggle Diagram

- - - - Keeps Blower going
    - - shuts down
    - - 200 degrees
  - - - Power Off
      - ammeter
  - - - More capacity
      - 30-90 sec intervals
- - - - dirty filter
  - - - Testing
    - - Install liner
  - - - Low Air Flow
        
        Coils freeze
      - RECOMMED
        
        Duct cleaning contractor
  - - - Heating Contractor
    - - Damp Crawl space
    - - Damaged jacket
  - - - Rust?
      - Damaged?
      - Water?
        
        Water proofing contractor
      - Mold
      - Asbestos?
- - - - Circulating Pump
      - 140-160F
      - No Make up water
      - -12 PSI
      - Tridicator Guage
        
        Temp
        
        Pressure
      - Back flow preventer
      - Pressure Reducing Vavle
        
        Allows 12-15PSI
      - Compression Tank
      - Aquastat
        
        Controls temp
    - - Closed
        
        Compression tank
      - Open
        
        Expansion Tank
        
        180 degrees