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features available in the control and give more comfortable heat when needed.

The program should consist of the following:

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The BCP-8S has been designed with Steam heating as the primary purpose.  With this in mind, many of the BCP-8S features can be 

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(389-900-226).  The BCP-8S can receive an external Set Point as a 4 - 20mA signal from an EMS system using the 420MOD 
Interface.

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results.  However, OSS can be used for applications where the load changes frequently and the sequencing must match the load and 
its immediate change.

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Extension Panels, each with eight stages.

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 input to check the status on the Combustion 

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rotation: Manual, First-On-First-Off, or Timed Rotation.  This option automatically rotates boilers every selected period from one 
hour to every 41(999 hours) days.

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Two Setback modes are available for the BCP-8S:

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The Day/Night Scheduling provides an adjustable time-based schedule for the Setback.

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Summary of Contents for BCP-8S

Page 1: ...er Conductors Only CAUTION Risk of Electric Shock SENSORS MUST BE GOLD SERIES OUTPUT RATING 2A 120VAC MAXIMUM 15A TOTAL FOR ALL CIRCUITS DO NOT APPLY ANY VOLTAGE TO INPUT TERMINALS SHUTDOWN TSTAT SETB...

Page 2: ...ngs 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...

Page 3: ...C MAXIMUM 15A TOTAL FOR ALL CIRCUITS DO NOT APPLY ANY VOLTAGE TO INPUT TERMINALS SHUTDOWN TSTAT SETBACK Auxiliary Input1 Auxiliary Input3 Connect to Extension panels to add additional stages or connec...

Page 4: ...demand periods ZKHUH WKH SULPDU ERLOHUV ZLOO QRW VXI FH 6 67 0 1 20 867 21 5 03 5 2873876 7 3529 1387 These outputs work with the control logic to operate system and a combustion air damper relays In...

Page 5: ...WDJH QR DGGLWLRQDO VWDJHV ZLOO EH WXUQHG RII GH HQHUJL HG XQWLO DQRWKHU IXOO 0LQLPXP 5XQWLPH LV HODSVHG 2Q WKH RWKHU KDQG LI WKH ODVW VWDJH LV D OHDG VWDJH LW ZLOO UHPDLQ HQHUJL HG XQWLO WKH V VWHP UH...

Page 6: ...4 20mA signal from an EMS system using the 420MOD Interface 3 25 266 21752 2 7KH 3 6 V 3 FDQ EH XVHG IRU DSSOLFDWLRQV ZKHUH V VWHP UHDFWLRQ is slow and requires a long period to achieve or measure the...

Page 7: ...and a hole to secure a lock on the wiring enclosure A plastic web that separates the wiring chamber into high and low volt sections has been provided 02817 1 7 1 2685 6HOHFW D ORFDWLRQ QHDU WKH HTXLS...

Page 8: ...sible heat sources 7KH VHQVRU VKRXOG EH PRXQWHG DSSUR LPDWHO IHHW DERYH JURXQG OHYHO GKHUH WKH 2XWGRRU DEHO SURYLGHG WR WKH EDFN RI WKH VHQVRU EDVH 8VH WKH QFORVXUH DVH ERWWRP NQRFNRXW IRU WKH FRQGXLW...

Page 9: ...he outdoor temperature is above the adjustable Outdoor Cutoff temperature This feature will automatically be activated when an outdoor sensor is connected RU DQ RXWGRRU VHQVRU XVH D HLO 0F DLQ RXWGRRU...

Page 10: ...VHG WR FKHFN RQ WKH 6 VWHP 2XWSXW W SLFDO XVH RI WKLV IHDWXUH LV WR FKHFN IRU V VWHP FRPSRQHQWV EHIRUH HQHUJL LQJ DQ VWDJH I WKH 3529 LQSXW LV RSHQ RQ D FDOO WKH 3 6 ZLOO HQDEOH RQO WKH 6 VWHP DQG RPE...

Page 11: ...ion Panels and 420MOD Interface using RS485 BCP 8 HYDRONIC SEQUENCING CONTROL SYSTEM DHW PUMP INPUT RATINGS 115VAC 60Hz 12VA MAX Use Copper Conductors Only CAUTION Risk of Electric Shock PWR L N 1 2 S...

Page 12: ...K SAVE CONTROL LOGIC PID OSS BACK SAVE SENSOR FAULT Stages On Stages Off BACK SAVE ARE YOU SURE No Yes BACK SAVE 06 6 7 32 17 SENSOR TRIM Sys Trim 0 0 psi Outdoor Trim 0 F BACK SELECT Sys 10 psi 10 00...

Page 13: ...IMUM Runtime 2min BACK SAVE STANDBY DELAY 10min BACK SAVE LAST STAGE HOLD 0 0 psi BACK SAVE LEAD BOILER AB CD BACK SELECT AUTO ROTATE PERIOD 24hrs BACK SAVE THROTTLE RANGE 2 0 psi BACK SAVE 67 6 77 1...

Page 14: ...sure 15psi Pressure 30psi Pressure 100psi Pressure 200psi Pressure 300psi Pressure 0 250MPa Pressure 0 600MPa Pressure 1 000MPa Pressure 1 600MPa Vacuum 3in 762mm BACK SAVE 6 1625 7 3 3UHVVXUH 3VL 3VL...

Page 15: ...ls are opened all stages will turn off 6HWEDFN LV XVHG WR ORZHU WKH VHW SRLQW ZKHQ OHVV ORDG LV UHTXLUHG GXULQJ QLJKWV DQG weekends RU VHWEDFN RSHUDWLRQ WKH 3 6 FDQ HLWKHU XWLOL H LWV EXLOW LQ QLJKW V...

Page 16: ...tings Stage Settings Reaction Time 3XUJH HOD 6 7 Settings System Settings Stage Settings Purge Delay 0LQLPXP 5XQ 7LPH 6 7 Settings System Settings Stage Settings Min Runtime 6WDQGE HOD 6 7 Settings Sy...

Page 17: ...AVE 7KH V VWHP FDQ EH H SHFWHG WR RVFLOODWH DURXQG WKH VHW SRLQW 7KH DPRXQW RI RVFLOODWLRQ GHSHQGV RQ WKH 6 VWHP 6HWWLQJV DQG Stage Settings I DQ 2XWGRRU 6HQVRU ZDV FRQQHFWHG SUHVVLQJ WKH 6 9 EXWWRQ Z...

Page 18: ...LQJ RI D QHZO DFWLYDWHG ERLOHU 2QFH WKH ORZHVW ERLOHU VWDJH LV DFWLYDWHG LW 0867 UXQ through the entire Purge Delay period see PID operation on page 7KH PLQLPXP 3XUJH HOD VHWWLQJ 0867 EH VHW WR WKH WL...

Page 19: ...W WKDW FRQWUROV ZKHQ VWDJHV will be turned on or off THROTTLE RANGE 2PSI BACK SAVE RU H DPSOH LQ WKH 266 RQWURO 0RGH QR VWDJHV ZLOO EH DFWLYDWHG XQWLO WKH SUHVVXUH IDOOV RQH IXOO 7KURWWOLQJ 5DQJH EHOR...

Page 20: ...d I LUVW 2Q LUVW 2II 2 2 LV VHOHFWHG WKH FRQFHSW ZLOO IROORZ WKLV H DPSOH LI LV WKH OHDG WKH VWDUWLQJ VHTXHQFH RI ERLOHUV ZLOO EH WKHQ KHQ WKH GH HQHUJL LQJ RI the stages starts it will turn off A B T...

Page 21: ...57 Remember that the battery is used as a time backup If no power is supplied to the BCP 8S the battery will die in three months and time clock values will be lost Thus DO NOT power down the control...

Page 22: ...s at a time The two middle buttons scrolls the screen to view additional boilers Moreover all the information is brightly displayed It can be viewed in brightly or dimly lit rooms 7KH EXWWRQV IXQFWLRQ...

Page 23: ...JKW 6FKHGXOH WHUPLQDWLRQ RU WKH SETBACK terminals are have been opened recently OO 6WDJHV 2Q 2II 7KH 6 VWHP VHQVRU LV HLWKHU 2SHQ RU 6KRUW 7KH 6HQVRU DXOW VWDJH VWDWXV LV DFWLYH 2 5 6 77 1 6 Button BO...

Page 24: ...QJHV DUH DSSUR LPDWHO RI WKH 6HW 3RLQW 5DQJH 7KH IDFWRU GHIDXOW IRU DQ WULP YDOXH LV Shutdown Dry Contact Unit1 Lo STEAM SEQUENCING CONTROL PWR L N 1 2 3 5 Stage A 7 Stage B 9 Stage C 11 13 Stage E 15...

Page 25: ...OO DOORZ RQO WKH HDG ERLOHU WR H FHHG WKH VHW SRLQW I WKH VHWWLQJ LV WRR KLJK DQG RQO WKH HDG ERLOHU LV RQ WKH V VWHP FDQ RYHUVKRRW 5HGXFH WKH DVW 6WDJH ROG VHWWLQJ 7RR LWWOH HDW Check if the control...

Page 26: ...ram The switch is located under the Enclosure Wiring Cover for security The Enclosure Wiring Cover can be securely closed using a padlock PROGRAM RUN 6 621 Button MENU Winter LQWHU 6XPPHU HIDXOW LQWHU...

Page 27: ...ure and the burner stages will be active to hold the set point Q WKH 2 SRVLWLRQ WKH 6 VWHP 5HOD ZLOO DOZD V EH RII DQG DOO VWDJHV ZLOO EH RII DV ZHOO 6 7 6HH SUHVVXUH 7UDQVGXFHU HIDXOW 6HWWLQJV DQG 5D...

Page 28: ...9DULHV 6HH 6HW 3RLQW 7DEOH WHUQDO 6HW 3RLQW 9DULHV 6HH 6HW 3RLQW 7DEOH 5HDFWLRQ 7LPH 3 RQO 1 to 10 minutes 0LQLPXP 5XQ 7LPH 3 RQO 0 to 60 minutes 3XUJH HOD 3 RQO 0 0 to 10 0 minutes DVW 6WDJH ROG 3 R...

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