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

,1,7,$/6(783                    6

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

,167$//$7,21                   7

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

,167$//(50(186(48(1&(         12

67$57836(77,1*6              14

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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. . . . . . . . . . 22

Display

. . . . . . . . . . 22

Pressure Transducer Default Settings and Ranges24

7528%/(6+227,1*              25 86(50(186(48(1&(            26

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

Set Point (Not Adjustable in EMS Mode)

. . . . . 27

Outdoor Cutoff Temperature . . . . . . . . . . . . 27

Setback

. .

. .

. 27

Day/Night Schedules

. .

. .

. 27

63(&,),&$7,216                2

2

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Weil-McLain BCP-8S PID Operation OSS Operation, Selecting the System Features, 167$//50186481&
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BCP-8S, BCP-8X specifications

The Weil-McLain BCP-8S and BCP-8X are noteworthy options in the realm of commercial heating solutions, specifically designed for reliably providing hot water and space heating in various applications. These products reflect Weil-McLain's commitment to quality and innovation in boiler technology.

One of the main features of the BCP-8S and BCP-8X is their high efficiency ratings. These models utilize advanced heat exchanger technology, which maximizes heat transfer while minimizing energy consumption. This not only helps in reducing operational costs but also makes them environmentally friendly by lowering carbon footprints.

Both models are constructed with robust materials, ensuring durability and longevity even in demanding environments. The BCP series boasts a compact design that allows for flexible installation, making them suitable for a variety of spaces, from commercial buildings to industrial facilities. Their ability to fit into tight spaces without compromising performance is a significant advantage for users.

The BCP-8S and BCP-8X come equipped with user-friendly controls, allowing for straightforward operation and monitoring. These models typically feature an integrated microprocessor control system that enhances the boiler’s efficiency and reliability. This system enables users to easily adjust settings and provides diagnostic feedback, ensuring optimal performance and timely maintenance.

Another distinguishing characteristic of these models is their versatile fuel options. The BCP series is designed to operate on multiple fuel types, including natural gas and propane, offering flexibility for users to select their preferred energy source. This adaptability can make a significant difference in specific application scenarios where fuel availability may vary.

Safety is a paramount consideration in the design of the BCP-8S and BCP-8X. They incorporate various safety features, such as pressure relief valves and flame safeguard systems, ensuring safe operation throughout their lifespan. These features not only protect users but also enhance overall system reliability.

In summary, the Weil-McLain BCP-8S and BCP-8X boilers are exemplary solutions for efficient, reliable heating. With advanced technologies, flexible installation options, and user-friendly controls, they represent a strong choice for businesses looking to invest in a quality heating system. Their durability and safety features further ensure that these models stand out in the competitive landscape of commercial heating solutions.
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