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From the DIAGNOSTIC MODE menu the user can toggle the state of the outputs from INACTIVE to ACTIVE and vice
versa. The following is a descripon of the DIAGNOSTIC MODE menu items (Table 2.9.2).
Table 2.9.2 · DIAGNOSTIC MODE menu items
MENU ITEM DESCRIPTION
EXIT DIAGNOSTIC Exits the diagnosc mode and returns the system to the STOPPED state
IGNITE
Pressing OK acvates the ignion circuitry of the system. Pressing OK again
stops ignion.
CALL FOR HEAT
Pressing OK starts an ignion sequence with proper ming and opening the BMS Module’s
ESD valve output
PILOT VLV Pressing OK toggles the state of the PILOT VALVE output
PRC 1 VLV Pressing OK toggles the state of the PROCESS 1 VALVE output
PRC 2 VLV Pressing OK toggles the state of the PROCESS 2 VALVE output
PRC 3 VLV Pressing OK toggles the state of the PROCESS 3 VALVE output
PLT STAT Pressing OK toggles the state of the PILOT STATUS output
I PRC VLV Pressing OK toggles the state of the INDEPENDENT PROCESS VALVE output
ALARM Pressing OK toggles the state of the ALARM output
FLAME SENSE GRADE
Shows a weighted perceived “strength” of the ame sensing feedback loop. This is only
intended to be a tool in determining potenal weak connecon in the ame sense circuit
chassis return.
FLAME Shows a YES/NO determinaon if the system has detected the ame
TC 1 Shows the current temperature reading from THERMOCOUPLE 1
TC 2 Shows the current temperature reading from THERMOCOUPLE 2
TC BMS
Shows the current temperature reading from the BMS Module’s dual-element
thermocouple input
XDCR Shows the current reading of the TRANSDUCER input
PS1 Shows the current state of the PS1
PS2 Shows the current state of the PS2
PROOF CLS Shows the current state of the PROOF OF CLOSURE input
PERMISSIVE Shows the current state of the PERMISSIVE input