Theory Of Operation - UTICA BOILERS SSC UBSSC-075 Installation Operation & Maintenance

2.5 Theory of Operation

User Interface Display
User Menu
APPENDIX A - CONTROL MODULE
Boiler operates in standby mode until demand for
Central Heat (CH) or Domestic Hot Water (DHW) is
detected.
User Menu structure includes:
• 'Boiler Status' submenu– User can monitor general boiler
status parameters such as sensor temperatures and pump
operation.
• 'Settings' submenu – User can view CH , adjust DHW
supply water set points and also select control language.
• 'Cascade Status' submenu – Boiler set to function as
part of multiple boiler installation; submenu used to view
runtime parameters. See Multiple Boiler Manual.
Supply Temperature set point displayed.
If boiler running in CH mode, CH set point displayed.
Note:
• While running in Outdoor Reset mode, this value may
change in proportion with the outdoor temperature.
• If the boiler is running in DHW mode, the DHW supply set
point is displayed.
Several boiler runtime parameters can be viewed while in
'Boiler Status' submenu.
Operational status of pump system also shown.
Information available during all states of boiler operation.
Sensor values with troubleshooting tree used to diagnose
typical problems.
74
Explanation