Bryan Boilers Triple-Flex 150, 250, & 300, 200 service manual Lead Drop-Stage On Error Ldse

	Date:	8-4-2010
	Revision:	0
	Form:	2396
2.2.11 Operation Page		22
2.2.12 Annunciation Page		23
2.2.13 Modulation Configuration		23
2.2.14 Firing Rate Control Page		23
2.2.15 Advanced Setup		24
2.2.16 System Time		24
2.2.17 Calibrate Touch Screen		24
2.2.18 Reset / Reboot Display		25
2.2.19 Outdoor Reset		25
2.2.20 Remote Setpoint (4 – 20 mA)		26
2.2.21 Central Heat Configuration		27
2.2.22 Sound Pressure Levels		27
2.2.23 Modbus Communication		29
2.2.24 Alert Codes		29
2.3	Boiler Commissioning	35
2.3.1 Modulation		35
2.3.2 Test Setup		35
2.3.3 Pre Checks And Setup		35
2.3.4 Dry Run		36
2.3.5 Pilot Adjustment		36
2.3.6 Initial Light Off		37
2.3.7 Adjusting Boiler Maximum Input		37
2.3.8 Adjusting Boiler Minimum Input		37
2.3.9 Gas Meter Readings		38
2.4	Troubleshooting	39
Section 3 Care and Maintenance		50
3.1	Cleaning The Boiler And System – New Systems	51
3.1.1 Pre-Boil Out Flushing Of System		51
3.1.2 Boil Out Procedure		51
3.1.3 Draining The System		52
3.2	Replacement Boiler Installations: Protection Against Corrosion And Sediment	52
3.3	Boiler Water Treatment	52
3.4	External “Fire-Side” Cleaning	53
3.5	Suggested Maintenance Schedule	53
Section 4 Lead Lag		55
4.1	General Description Of The Lead Lag Application	56
4.2	Lead Lag (Ll) Master General Operation	56
4.3	System Wiring Hookup	58
4.4	Lead-Lag Operation	59
4.5	Slave Operation And Setup	60
4.6	Slave Parameters	60
4.7	Ll Master Operation And Setup	61
4.7.1 Overall Control		61
4.7.2 Periodic Data Polling messages		62
4.7.3 Slave Status Manager		62
4.7.4 Master Active Service		65
4.7.5 Modulation Sensor		65
4.7.6 Demand and Rate		66
4.7.7 Rate Adjustment		67
4.7.8 Implementation		67
4.7.9 Rate Allocation		68
4.7.10 Burner Demand		70
4.7.11 Lead Drop-Stage On Error - LDSE:		73

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