Weil-McLain BCP-8S, BCP-8X manual Rqwhqwv, 36,QVWDOODWLRQDQG2SHUDWLRQ0DQXDO

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PID Operation . . . . . . . . . . . . . . . . . . . 5 OSS Operation. . . . . . . . . . . . . . . . . . . 5

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Selecting the System Features . . . . . . . . . . . 6

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Mounting the Enclosure . . . . . . . . . . . . . . . 7 Install the Sensors . . . . . . . . . . . . . . . . . . 8 System Pressure Sensor Installation . . . . . . . 8 Outdoor Sensor Installation . . . . . . . . . . . . 8 Wiring . . . . . . . . . . . . . . . . . . . . . . . . 9 Wiring the Power (Terminals 1, 2) . . . . . . . . . 9 Wiring the Inputs . . . . . . . . . . . . . . . . . . . 9 System Pressure Sensor Wiring (Terminals 25, 26) 9 Outdoor Sensor Wiring (Terminals 29, 30). . . . . 9 Wiring the Shutdown (Terminals 35, 36) . . . . . . 9 Wiring the T-STAT (Terminals 35, 36) . . . . . . . 10 Wiring the Setback (Terminals 35, 36) . . . . . . . 10 Wiring the Prove (Terminals 37, 38) . . . . . . . . 10 Wiring the Outputs . . . . . . . . . . . . . . . . . . 10 Wiring the System Output (Terminals 19, 20) . . . 10 Wiring the Comb. Air Damper (Terminals 23, 24) . 10 Wiring the Stages (Terminals 3 to 17) . . . . . . . 11

Connecting to the BCP-8X Panels and 420MOD Interface . . . . . . . . . . . . . . . . . . . . . . 11 Selecting the BCP-8X Panel Letter . . . . . . . . 11

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Program Change Settings . . . . . . . . . . . . . 14 Startup Sequence . . . . . . . . . . . . . . . . . 14 Control Mode . . . . . . . . . . . . . . . . . . . 14 Sensor Type . . . . . . . . . . . . . . . . . . . . 14 Display Standard. . . . . . . . . . . . . . . . . . 14 Setting the EMS Set Points (Available in 420MOD only) 14

Combustion Air Damper Output . . . . . . . . . . 15 External Input Mode . . . . . . . . . . . . . . . . 15 Burner Type . . . . . . . . . . . . . . . . . . . . 15 Total Boilers . . . . . . . . . . . . . . . . . . . . 15

Staging. . . . . . . . . . . . . . . . . . . . . . . 15 Sequence . . . . . . . . . . . . . . . . . . . . . 16 Control Logic. . . . . . . . . . . . . . . . . . . . 16 Sensor Fault . . . . . . . . . . . . . . . . . . . . 16 Setting the Control to Factory Defaults . . . . . . . 16 Operating Settings . . . . . . . . . . . . . . . . . . 17 Program Change Settings . . . . . . . . . . . . . 17 Season. . . . . . . . . . . . . . . . . . . . . . . 17

Set Point (Not Adjustable in EMS Mode) . . . . . 17
Outdoor Cutoff Temperature . . . . . . . . . . . . 17
System Settings . . . . . . . . . . . . . . . . . . . 17
Program Change Settings . . . . . . . . . . . . . 18
Stage Settings .	. . . . . . . . . . . . . . . . . . . 18
Reaction Time	. . . . . . . . . . . . . . . . . . . 18

Purge Delay . . . . . . . . . . . . . . . . . . . . 18 Minimum Runtime . . . . . . . . . . . . . . . . . 18 Standby Delay . . . . . . . . . . . . . . . . . . . 18 Last Stage Hold . . . . . . . . . . . . . . . . . . 19

Lead Settings	. . . . . . . . . 19
Lead Boiler. . . . . . . . . . . . . . . . . . . . . 20
Rotate Mode . . . . . . . . . . . . . . . . . . . . 20
Setback Schedule . . . . . . . . . . . . . . . . . . 20
Setback	. . . . . . . . . 20
Day/Night Schedules	. . . . . . . . . 21
Set Present Time	. . . . . . . . . 21
Combustion Air Damper Operation	. . . . . . . . . 21
Run-On	. . . . . . . . . 21

System Exercise	. . . . . . . . . . 21
Maintenance	. . . . . . . . . . 21
System & Outdoor Sensor Trim	. . . . . . . . . . 22
History	. . . . . . . . . . 22
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Display	. . . . . . . . . . 22

Pressure Transducer Default Settings and Ranges24

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Program Change Settings . . . . . . . . . . . . . 26 Season. . . . . . . . . . . . . . . . . . . . . . . 26

Set Point (Not Adjustable in EMS Mode)	. . . . . 27
Outdoor Cutoff Temperature . . . . . . . . . . . . 27
Setback	. .	. .	. 27
Day/Night Schedules	. .	. .	. 27

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