Weil-McLain 550 MBH Nstallation And Operation Manual page 81

®
SlimFit Series 3
DIAGNOSTICS menu
Displays time that lockout occurred
Displays date that lockout occurred
Displays what the status of the boiler was at the time of the error
Choose this to view the Boiler Temperatures at the time of the error
Choose this to view the status of the Boiler Inputs at the time of the error
Choose this to view the status of the Boiler Outputs at the time of the error
Choose this to view the second most recent error recorded
Displays the name of the fault that occurred
Displays the type of fault that occurred
Displays time that lockout occurred
Displays date that lockout occurred
Displays what the status of the boiler was at the time of the error
Choose this to view the Boiler Temperatures at the time of the error
Choose this to view the status of the Boiler Inputs at the time of the error
Choose this to view the status of the Boiler Outputs at the time of the error
Choose this to view the third most recent error recorded
Displays the name of the fault that occurred
Displays the type of fault that occurred
Displays time that lockout occurred
Displays date that lockout occurred
Displays what the status of the boiler was at the time of the error
Choose this to view the Boiler Temperatures at the time of the error
Choose this to view the status of the Boiler Inputs at the time of the error
Choose this to view the status of the Boiler Outputs at the time of the error
Status Current operating status of the boiler. Prepurge, Ignition, Name of the system Type being satisfied, post purge, Warm Weather
Shut down, Trouble
Heat Exchanger Temperature of the heat exchanger block sensor
Target Calculated target temperature based on outdoor temp or the max target if no ODR
Modulation
Boiler Out Temperature of the outlet sensor on the boiler heat exchanger
Boiler In Temperature of the inlet sensor on the boiler heat exchanger
System Supply Temperature of the system water after the boiler loop
System Return Temperature of the system water returning to the boiler loop
Flue Temperature of flue gases
Outdoor Temperature of outdoor air
Blower Signal Control's signal controlling the blower speed
Blower Speed Blower's feedback to the control
Flame Signal Number indicating the presence and quality of the flame used to shut down or boost the boiler
Force Rate Used to manually force a rate during a call for heat. Choose auto for normal operation
Reset selected condition
Part number 550-100-168/0516
COMMERCIAL CONDENSING GAS
(continued)
menu details (continued) (see Figure 58, page 70 for access information)
Displays what sensor the boiler is using to modulate from. If the boiler is being self-limited, this may also display what the cause is
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FIRED WATER BOILER
Boiler Manual
81