UTICA BOILERS PEG075DID Installation, Operation & Maintenance Manual

• Steam pressure limit control (pressuretrol) shuts off gas to main burners when steam pressure in boiler reaches cut-off setpoint (i.e. sum of cut-in and differential setpoints). • Burners refi re when steam pressure drops to cut-in setpoint. • System pressure requirements are based on size and condition of pipes, and load. • Cut-in setting of pressuretrol should never be less than twice system pressure drop for good system operation. A. In typical single family residence with clean one- pipe heating system and cast iron radiation, cut-in is usually s ...

WARNING Installing or venting a boiler or any other gas appliance with improper methods or materials could result in death or serious injury due to fi re or to asphyxiation from poisonous gases such as carbon monoxide which is odorless and invisible. ! Boiler and venting installations shall be performed in accordance with "Venting of Equipment", of the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or applicable provisions of the local building codes. Chimney Inspection Chimney must be clean, right size, properly constructed and in good condition. Installati ...

Low Water Cut-Off interrupts electrical current to burner when water line in boiler drops to low level. Check Low Water Cut-Off monthly to verify it is providing proper protection. See “Checking and Adjusting” on page 20. Remove Low Water Cut-Off probes beginning of each heating season for inspection and cleaning. More cleaning may be required on boilers requiring frequent additions of make up water. Boiler Flue Passages and Burners Beginning of heating season visually check pilot and main burner fl ames. See page 19. Recommend you have fl ue pass ...

27 Figure 20 - Counter Flow Steam Systems Water Line 28" 48" 24" Floor Figure 21 - Drop Header for True Swing Joint Water Line 28" 24" 2" Pipe Hartford Loop Floor Floor 24" 24" ...