UTICA BOILERS UBSSC-299 Installation, Operation & Maintenance Manual

A O 1 lgnit error Install Enter the Installer Menu and place the boiler into test mode in high fire. Once the boiler starts, go to the boiler status screen and monitor the flame signal. Is the flame signal greater than 7.0uA when running on hi h fire? YES Has gas valve been adjusted per instructions? YES Check vent termination for proper consideration of wind effects Is this boiler to run with propane gas? Is this a new boiler on first startup? YES Is the Gas Shutoff Valve closed? YES Open gas shutoff valves Reset the boiler by Check all wires including the igniter and flam ...

Is harness plugged into Return Temperature Sensor? Is harness plugged into Control Module J5? _ P _ _ _ Blocking Error E 5 2 Return Sens Open Replace Return Temperature Sensor Replace Control Module Check continuity of brown wires between Return Temperature Sensor and Control Module J5-4 and J5-12 Continuity? Measure Return Temperature Sensor resistance with digital meter. Estimate Sensor temperature. Do temperature and resistance fall within ranges shown in chart? Replace Wires 50 to 90 10 to 32 9K to 24K ohms 150 to 200 90 to 130 °F °C Resistance 130 to 15 ...

Error shows when safety circuit is open. Remove J13 connector from control module. Check for continuity between two pins connected to two pink wires, is continuity available? YES NO Replace Control Module Boiler fired without enough water flow through heat exchanger. Heat exchanger is over heated. Either high limit or heat exchanger temperature switch is open. Check the following: • Air in system? • Verify water flow in system piping • Flush system if water is dirty. Is boiler supply pipe (above heat exchanger) hot? Wait for boiler to cool down. YES NO Replace Br ...

sidewalk or paved driveway located between two single-family dwellings serving both dwellings. 7' (2.1m) Minimum 3' (914mm) Minimum Termination Stones, Balls, Etc. Position combustion air and vent termination where it will NOT be damaged by foreign objects, such as stones, balls, etc. People or Pets Locate combustion air and vent termination to prevent accidental contact with people or pets. Eddy, Flue Gases Position termination so it will not be effected by wind eddy, air born leaves, snow, or recirculated vent gases. ...