Appendix A Falcon Parameters
A-3
Table A-1 CFLC Falcon Parameters
Parameter Group Parameter Name Access* Min
range
Default Setting Max.
Range
Parameter
Units
Modbus
Register (dec)
System ID & Access Boiler name Service BOILER 1 183
System ID & Access Installation data Service SERIAL NUMBER 184
System ID & Access OEM identification Read
Only
FALCON 833-04097 185
System ID & Access Installer Password Service 9220 190
System ID & Access Factory Data Read
Only
191
System ID & Access Modbus Address Service 0 1 250
Central Heat Configuration CH enable User Enabled 208
Central Heat Configuration CH demand switch Service B:STAT terminal 209
Central Heat Configuration CH modulation sensor Service A:Modulation from Outlet (S3S4)
sensor
210
Central Heat Configuration CH setpoint User 130 150 230 oF 211
Central Heat Configuration CH TOD setpoint User 130 130 230 oF 212
Central Heat Configuration CH on hysteresis Service 5 60 oF 213
Central Heat Configuration CH off hysteresis Service 15 60 oF 214
Central Heat Configuration CH outdoor reset enable Service Disabled 215
Central Heat Configuration CH P gain Service 25 216
Central Heat Configuration CH I gain Service 10 217
Central Heat Configuration CH D gain Service 0 218
Central Heat Configuration CH hysteresis step time Service 0m 0s mmm ss 219
Central Heat Configuration CH setpoint source Service A:Local setpoint is used 578
Central Heat Configuration CH modulation rate source User A:Local modulation (PID) is used 580
Central Heat Configuration CH has priority over LL Service No/False/Off 582
Central Heat Configuration CH 4 mA water temperature Service 130 194 oF 583
Central Heat Configuration CH 20 mA water temperature Service 210 230 oF 584
Outdoor Reset Configuration CH ODR max outdoor temperature Service 80 oF 512
Outdoor Reset Configuration CH ODR min outdoor temperature Service 0 oF 513
Outdoor Reset Configuration CH ODR low water temperature Service 80 oF 514
Outdoor Reset Configuration CH ODR boost time Service 30m 0s mmm ss 515
Outdoor Reset Configuration CH ODR boost maximum off point Service 180 230 oF 516
Outdoor Reset Configuration CH ODR boost step Service 0°F (0°C) oF 522
Outdoor Reset Configuration Minimum boiler water
temperature
Service 130 130 oF 526
Domestic HW Configuration DHW enable User Disabled 448
Domestic HW Configuration DHW demand switch User A:Modulation sensor only 449
Domestic HW Configuration DHW has priority over CH Service Yes/True/On 450
Domestic HW Configuration DHW has priority over LL Service Yes/True/On 451
Domestic HW Configuration DHW priority override time Service 30m 0s mmm ss 452
Domestic HW Configuration DHW setpoint User 130 180 230 oF 453
Domestic HW Configuration DHW TOD setpoint User 130 130 230 oF 454
Domestic HW Configuration DHW on hysteresis Service 5 80 oF 455
Domestic HW Configuration DHW off hysteresis Service 15 80 oF 456
Domestic HW Configuration DHW P gain Service 25 457
Domestic HW Configuration DHW I gain Service 10 458
Domestic HW Configuration DHW D gain Service 0 459
Domestic HW Configuration DHW hysteresis step time Service 1m 0s mmm ss 460
Domestic HW Configuration DHW modulation sensor Service F:Auto Mod from DHW (S6)or
Outlet (S3S4)
461
Domestic HW Configuration DHW priority source Service B:DHW heat demand 463
Domestic HW Configuration DHW storage enable Service Disabled 504
Domestic HW Configuration DHW priority method Service B:Drop DHW after priority time
expires
509
Domestic HW Configuration DHW demand ON temperature User NoValue 510
Domestic HW Configuration DHW demand OFF temperature User NoValue 511
Modulation Configuration Modulation output Read
Only
C:Analog 4-20mA 192
Modulation Configuration CH maximum modulation rate Service 0 100% 100% % 193
Modulation Configuration DHW maximum modulation rate Service 0 100% 100% % 194
Modulation Configuration Minimum modulation rate Service 0 10% 100% % 195
Modulation Configuration CH forced rate Service 0 35% 100% % 199
Modulation Configuration CH forced rate time Service 1m 0s mmm ss 200