Weil-McLain BCP-8X manual 7+67$*6 750,1$/672 , 211&7,1*727+%&33$1/6$102,175$

Page 11

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:,5,1*7+(67$*(6 7(50,1$/672

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‡ :KHQZLULQJVHYHUDOPXOWLVWDJHERLOHUVVWDUWZLWKWKHORZHUVWDJHRIWKH¿UVWERLOHUDQGZLUHLWWR

Output A followed by the higher stage of the same boiler and wire it to Stage B.

Stage A Stage B Stage C Stage D Stag

3 4 5 6 7 8 9 10 11

Lo Hi Lo Hi

Unit1 Unit2

Stages Stages

&211(&7,1*727+(%&3;3$1(/6$1'02',17(5)$&(

‡ 7KH%&36LVHTXLSSHGZLWKDSKRQHVRFNHW 56 WRFRQQHFWWRWKH%&3;([WHQVLRQSDQHOVRUWKH02',QWHUIDFH

(389-900-226) using the provided 6-pin phone cable.

‡ (DFK%&3;([WHQVLRQKDVWZR56FRPPXQLFDWLRQSRUWV8VHRQHWRFRQQHFWWRWKH%&368VHWKHRWKHUSRUWWRFRQQHFW

to the second extension or the420MOD Interface (389-900-226).

‡ $GGLWLRQDOFRPSDWLEOHGHYLFHVFDQXWLOL]HWKHVHFRQG56FRQQHFWLRQRQWKHVHFRQG%&3;([WHQVLRQ$QH[DPSOHZRXOG

be to use the 420MOD Interface (389-900-226) to provide a 4-20mA set point signal to the BCP-8S.

6(/(&7,1*7+(%&3;3$1(//(77(5

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7KH%&36LVFDSDEOHRIFRPPXQLFDWLQJWRWZR%&3;([WHQVLRQV+RZHYHUHDFK

Ext A

 

H[WHQVLRQPXVWEHLGHQWL¿HGDVHLWKHU$RU%XVLQJWKHVZLWFKRQHDFKH[WHQVLRQWRDYRLGKDYLQJ

 

 

communication problem.

 

‡

([WHQVLRQ$UHTXLUHVWKH6ZLWFKWREHVHWWR$DQGZLOORSHUDWHVWDJHV,WKURXJK3:KLOH

 

 

Extension B requires the Switch to be set to "B" will operate stages "Q" through "X".

 

Ext B

Connecting BCP-8 to Two Extension Panels

and 420MOD Interface using RS485

BCP-8

BCP-8X A

BCP-8W

HYDRONIC SEQUENCING CONTROL

BCP-8X

SEQUENCING CONTROL EXTENSION

SYS=144F OD=35F

Stage A

Stage E

SYSTEM

 

 

 

Stage B

Stage F

DHW PUMP

<AB > DE

GH

JK

Stage C

Stage G

 

HI LO

--

OFF

COMB. AIR

STAGE

 

MENU

 

 

 

 

Stage D

Stage H

 

 

 

 

I Q

L T

O W

J R

M U

P X

K S

N V

 

 

Comm

Power

OUTPUT RATINGS:

120VAC, 6A RESISTIVE

1A PILOT DUTY, 15A TOTAL FOR ALL CIRCUITS

INPUT RATINGS:

115VAC 60Hz, 12VA MAX

 

ENCLOSED

 

INPUT RATINGS:

ENERGY

 

MANAGEMENT

 

115VAC 60Hz, 12VA MAX

EQUIPMENT C

US

LISTED

99RA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DO NOT APPLY ANY VOLTAGE TO INPUT TERMINALS

 

 

CAUTION: Risk of Electric Shock.

 

 

 

 

 

 

 

CAUTION: Risk of Electric Shock.

 

 

 

 

SENSORS MUST BE GOLD SERIES

 

 

 

 

 

 

 

 

 

 

 

Use Copper Conductors Only.

PROGRAM

RUN

 

 

 

 

 

 

 

 

 

 

Use Copper Conductors Only.

 

Ext A

Ext B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS485

PWR

I

Q

J

R

K S

L

T

M U

N V

O W P X

EXTENSION

 

 

 

 

 

 

 

 

 

 

 

COMB.

 

 

 

RETURN

 

SHUTDOWN

MODULE

L

N

Stage A Stage B Stage C Stage D Stage E Stage F

Stage G Stage H

 

AIR

PRESS

TEMP

DHW

/TSTAT

PROVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

-

TEMP

/SETBACK

L

N

 

 

 

 

 

 

 

 

 

 

 

RS-485

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

9 10 11 12 13 14

15 16 17 18 19 20 21 22 23 24

25 26 27 28 29 30 31 32 33 34 35 36 37 38

1

2

3

4

5

6

7

8

9

10 11 12 13 14 15 16 17 18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6 Pin Phone Cable (provided with Extension)

BCP-8X B

420MOD EMS Interface

BCP-8X

SEQUENCING CONTROL EXTENSION

I Q

L T

O W

OUTPUT RATINGS:

120VAC, 6A RESISTIVE

J R

M U

P X

1A PILOT DUTY, 15A TOTAL

FOR ALL CIRCUITS

K S

N V

 

INPUT RATINGS:

 

115VAC 60Hz, 12VA MAX

 

Comm

Power

 

4-20mA (+) EMS Signal (-)

 

 

4-20 mA EMS

 

 

 

 

 

 

 

 

 

 

 

 

4-20mA INPUT

 

 

 

CAUTION: Risk of Electric Shock.

 

 

RS485

 

 

 

Use Copper Conductors Only.

Ext A

Ext B

+

Signal GND

 

 

 

EXTENSION

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

CONNECTORS

PWR

I

Q

J

R

K S

L

T M U N V

O W P X

EXTENSION

 

 

 

 

MODULE

 

 

 

 

L

N

 

 

 

 

 

 

 

 

 

RS-485

 

 

 

 

1

2

3

4

5

6

7

8

9

10 11 12 13 14 15 16 17 18

 

6 Pin Phone Cable (provided with 420MOD EMS Interface)

11

Page 10 Page 12
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Contents BCP-8S BCP-8X 167$//50186481&         Selecting the System FeaturesDisplay Pressure Transducer Default Settings and Ranges24 PID Operation OSS Operation35 F 6/$28762959 HDG6WDJH $ 81567$1,1*235$7,21&21&37235$7,21 266235$7,211*7+6670$7856 $/678302817,1*7+1&/2685 167$//$7,21167$//7+ 28722561625,5,1* 750,1$/6 7+,138767+325 750,1$/6 667035668561625,5,1* 750,1$/6 7+2873876 1*7+%&33$1//775 7+67$*6 750,1$/672 211&7,1*727+%&33$1/6$102,175$ 167$//5 0 18 67 32,17 67$5783677,1*6 67$*,1 751$/,138702851573 727$/%2,/5661625$8/7 677,1*7+&21752/72$&725$8/766481 21752//2287225&8727035$785 235$7,1*677,1*66670677,1*6 $6210805817,0 67$*677,1*6$&7,217,0 385*/$6HHSUHVVXUH7UDQVGXFHUHIDXOW6HWWLQJVDQG5DQJHV7DEOH $677,1*6$6767$*+2 527$702 Button MENU/System Settings/Setback67%$&.6&+8 $%2,/5$,171$1 20%867,21$,5$035235$7,2163/$ +,67256670 2872256162575,0 21,*85$7,21HIDXOW$XWR 5677,1*663/$066$*6 Button BoilerOhdu 5817,035668575$168&5$8/7677,1*6$15$1*6 BoilerCheck if the control has any of the following 7528%/6+227,161625,13876 LVSOD\VKRZV6HQVRU231RU6+257 21752/235$7,21 7RR0XFK+HDW8650 186 Setback 6732,17 127$-867$%/,10602 70 F Button MENU/Outdoor Cutoff66SHFL¿FDWLRQV 63&,,&$7,216

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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