16021 - FACTORY MENURef. Parameter’s description Range3001 Burner logic address 0 = No cascade,1 = Burner 1 (Master),2 to 4 = Burner 2 to 4 (slave burners)3002 Fan speed range 0 to 43003 Display units C = °C and bar units;F = °F and PSI units;3004 Water pressure sensor 0 = Disabled; 1 = Enabled; 2 = N/A; 3 = N/A3005 Burner flapper valve 0 = Disabled; 4 = Enabled; 8 = N/A; 12 = N/A;3006 Water flow sensor 0 = Disabled; 16 = N/A; 32 = N/A; 48 = Enabled3007 Condensate blocked drain detector EnAb = Enabled; dISA = Disabled3008 Flue gas detector SEnS = Sensor; StCH = Switch3009 Outdoor thermistor type 10 = 10kohms; 12 = 12kohms;3010 Other thermistor type 10 = 10kohms; 12 = 12kohms;3011 Pump MODE 0 = Local pump; 1 = N/A; 2 = N/A; 3 = N/A;3012 DHW mode 0 = no DHW; 1 = DHW store with sensor; 2 = DHWstore with thermostat; 3 = N/A; 4 = N/A; 5 = N/A3013 Reset Err 115 EnAb = Enabled; dISA = Disabled3015 Reset curve design: Maximum heating supply temperature (This parameteris overruled by 3017 parameter)68°F to 194°F3016 Reset curve design: Minimum heating supply temperature 68°F to 194°F3017 Maximum supply temperature (This parameter overrule 3015 parameter) 68°F to 194°F3018 Minimum supply temperature 68°F to 194°F3020 Type of water flow sensor 0 = N/A; 1 = DN8; 2 = DN 10; 3 = DN 15; 4 = DN 20;5 = DN 253022 Minimum water pressure 0 to 74 PSI3035 Minimum water flow 0 to 26.4 GPM3050 Number of slave burners 0 to 33085 Modbus address 0 to 1263086 Number of Stopbits 1 or 2Switch“S4”Position of Switch “S4” (see Figure 17-13) On or OffN/A = Not Applicable