Weil-McLain BSC, Installation And Operation Instruction Manual

Page 1: ...CIRCUITS INPUT RATINGS 115VAC 60Hz 30VA MAX USE COPPER WIRE CLASS 1 WIRE ONLY S DO NOT APPLY ANY VOLTAGE TO SENSOR TERMINAL FULL MODULATION SEQUENCING CONTROL LOCKOUT INPUTS STAGE C STAGE D B5 B6 B7 B8 EMS INPUT SIGNAL SHIELD 12 A B C D MODULATION OUTPUTS ENCLOSED ENERGY MANAGEMENT EQUIPMENT LISTED 99RA US C UL R GND mA Volt GND mA Volt GND mA Volt GND mA Volt INSTALLATION AND OPERATION INSTRUCTIO...

Page 2: ...6 Modulating Mode 16 Operating Mode 16 Heat Cool Mode 17 Sensor Fault 17 MENU SETTINGS 14 MENU SETTINGS CONTINUED 15 OPERATING SETTINGS 17 Set Point 17 Outdoor Cutoff Temperature 17 Reset Ratio 18 Offset 18 Minimum Water Temperature 18 Gain Throttle 19 Lead Stage 19 Lead Auto Rotate 19 Purge Delay 20 Lag Delay 20 Standby Time 20 System Run On 21 Setback 21 Rotate Time 21 Last Stage Hold 21 YRLG RQ...

Page 3: ...INPUT SIGNAL SHIELD 12 ENCLOSED ENERGY MANAGEMENT EQUIPMENT LISTED 99RA US C UL R A B C D MODULATION OUTPUTS GND mA Volt GND mA Volt GND mA Volt GND mA Volt From heating system sensor When closed all stages are turned off Setback From outdoor sensor mounted in the shade Connect to remote 4 20mA set point signal or to dry contact setback signal If a unit is in LockOut the BSC will not consider it a...

Page 4: ...WKRXW KDYLQJ WR OHDUQ DQ VSHFLDOL HG FRGHV RU NH ERDUG FRPPDQGV 3DVVZRUG SURWHFWLRQ LV DYDLODEOH WR SUHYHQW XQDXWKRUL HG XVHUV IURP PDNLQJ DGMXVWPHQWV WR FRQWURO VHWWLQJV Automatic Rotation among Stages 5RWDWLQJ WKH UVW VWDJH WR EH DFWLYDWHG RQ D FDOO IRU RXWSXW SURPRWHV HYHQ ZHDU RQ HDFK VWDJH 7KH 6 KDV WKUHH PRGHV RI URWDWLRQ Manual Last On or Automatic every selected time period from every hour...

Page 5: ...ore the heating water temperature will increase 20 to 120 F Each building has different heat loss characteristics A very well insulated building will QRW ORVH PXFK KHDW WR WKH RXWVLGH DLU DQG PD QHHG D 5HVHW 5DWLR RI 2 6 6 2XWGRRU DWHU 7KLV PHDQV WKH RXWGRRU WHPSHUDWXUH ZRXOG KDYH WR GURS 2 degrees to increase the water temperature 1 degree On the other hand a poorly LQVXODWHG EXLOGLQJ ZLWK LQVXI ...

Page 6: ...e page 17 This feature will automatically be activated when an outdoor sensor is connected INSTALLING THE SENSOR 2QO XVH WKH HLO 0F DLQ 2XWGRRU 6HQVRU LQFOXGHG ZLWK WKH XQLW RFDWH WKH VHQVRU LQ WKH VKDGH RQ WKH QRUWK VLGH RI WKH EXLOGLQJ 7KH VHQVRU VKRXOG never be in direct sunlight H VXUH WKH ORFDWLRQ LV DZD IURP GRRUV ZLQGRZV H KDXVW IDQV YHQWV RU RWKHU possible heat sources 7KH VHQVRU VKRXOG EH...

Page 7: ...WLOL H DQ H WHUQDO VHW SRLQW DV D P VLJQDO IURP DQ QHUJ 0DQDJHPHQW System EMS or any other signal source V VWHP VHQVRU PXVW EH LQVWDOOHG DV GHVFULEHG LQ WKH SUHYLRXV VHFWLRQ 7KH WHUQDO 6HW 3RLQW PXVW EH VHW XS FRUUHFWO 6HH 06 QSXW 0RGH DQG WHUQDO 6HW Point in the Startup menu on page 13 These settings will allow the BSC to read the 4 20mA input signal and adjust the set point based on its external...

Page 8: ... WKH 6 V VHW SRLQW FRQWURO SHUIRUPDQFH LQ WKH HYHQW RI D VWDJH JRLQJ LQWR ORFNRXW when encountering a safety limit SDLU RI LOCKOUT INPUT terminals is provided for each stage 7KH RFNRXW VLJQDO PXVW EH D GU FRQWDFW FORVXUH IURP WKH ERLOHU EHLQJ FRQWUROOHG E WKDW VWDJH V PRGXODWLQJ RXWSXW 1R YROWDJH FDQ EH SODFHG DFURVV WKH WHUPLQDOV LUH WKH RFNRXW VLJQDOV WR WKHLU UHVSHFWLYH STAGE terminals WARNING ...

Page 9: ... DW 9 DSSUR LPDWHO ѿ 3 WIRING THE STAGE OUTPUTS DFK VWDJH KDV DQ RSHUDWLQJ OLPLW UHOD RXWSXW LQ DGGLWLRQ WR WKH PRGXODWLRQ RXWSXW 7KH operating limit output can be used when a boiler requires an activation signal through its limits RZHYHU VRPH QHZHU ERLOHUV XWLOL H WKH PRGXODWLRQ VLJQDO WR PDQDJH WKLV IXQFWLRQ Q WKLV case operating limit outputs are not used Installing the Operating Limit Output R...

Page 10: ...g Output Card 7KH FDUGV DUH LQVWDOOHG RQ WKH EDFN RI WKH 6 PDLQ ERDUG 7KHUH DUH WZR W SHV RI FDUGV DYDLODEOH ƕ Cards Operates two 135 Ohm modulating motors ƕ XUUHQW 9ROWDJH DUGV RSHUDWHV P 9 9 9 RU 9 PRGXODWLQJ PRWRUV RX FDQ VHOHFW RQO RQH RXWSXW VLJQDO SHU FDUG 7KH 6 FRPHV ZLWK LWV 0RGXODWLQJ 2XWSXW FDUGV LQVWDOOHG RZHYHU LI ordering an Extension panel you must add the Modulating Output Cards nee...

Page 11: ... PXVW EH UH SRZHUHG WR GHWHFW WKH WHQVLRQ VWDJHV 7KH FRQQHFWLRQ IURP WKH 6 WR WKH WHQVLRQV FDQ EH HLWKHU LQ SDUDOOHO RU LQ VHULHV 6HH WKH IROORZLQJ GLDJUDPV IRU GHWDLOV WARNING DO NOT use the RS485 connector on the BACnet communication board to connect to the Extension Rather use the RS485 on the main PCB board 1RWH WKDW WHQVLRQ SDQHOV GR QRW FRPH ZLWK 0RGXODWLQJ 2XWSXW DUGV 7KH 2XWSXW DUGV PXVW E...

Page 12: ...WKH current operation 7KH WKLUG OLQH VKRZV WKH IRXU VWDJHV 7KH HDG 6WDJH ZLOO EH LQ EUDFNHWV RU example the Lead Stage shown is A 7KH ODVW OLQH VKRZV WKH PRGXODWLRQ VWDWXV RI HDFK VWDJH 6HH SRVVLEOH VWDJH modulation status below DISPLAY STAGE MODULATION STATUS 7KH 6 ERLOHU PRGXODWLRQ VWDWXV JLYHV LPPHGLDWH DFFHVV WR HDFK ERLOHU VWDWXV 7KH IROORZLQJ OLVW VKRZV DOO SRVVLEOH ERLOHU VWDWXV 7KH VWDJH L...

Page 13: ...e 5HVHW PRGH UHTXLUHV DQ RXWGRRU VHQVRU WR EH FRQQHFWHG WR WHUPLQDOV DQG 2 NOT select Reset without an outdoor sensor 7KH VDPH HLO 0F DLQ WHPSHUDWXUH VHQVRU FDQ GLVSOD LQ HLWKHU RU I LV VHOHFWHG DOO WHPSHUDWXUHV DQG VHWWLQJV ZLOO EH GLVSOD HG LQ GHJUHHV DKUHQKHLW and the BSC will operate as a Set Point Control in degrees Fahrenheit I LV VHOHFWHG DOO WHPSHUDWXUHV DQG VHWWLQJV ZLOO EH GLVSOD HG LQ G...

Page 14: ... F OUTPUT TYPE A B Not Installed 135ohm 0 10v 0 5v 2 10v 1 5v 4 20ma OPERATING MODE Normal Process HEAT COOL Heat Cool OUTPUT TYPE C D Not Installed 135ohm 0 10v 0 5v 2 10v 1 5v 4 20ma SET POINT 140 F RESET RATIO 1 00 OD 4 00 Sys 1 00 OD 3 00 Sys 1 00 OD 2 00 Sys 1 00 OD 1 50 Sys 1 00 OD 1 25 Sys 1 00 OD 1 00 Sys 1 25 OD 1 00 Sys 1 50 OD 1 00 Sys 2 00 OD 1 00 Sys 3 00 OD 1 00 Sys 4 00 OD 1 00 Sys ...

Page 15: ...in SYSTEM RUN ON 0min SETBACK 0 F AUTO ROTATE PERIOD 0 0 Hr LAST STAGE HOLD 0 F SYSTEM SETTINGS 2 Setback 0 F Rotate Time 0 0min Last Stg Hold 0 F Password Set Time SYSTEM SETTINGS1 SYSTEM SETTINGS2 MAINTENANCE System Trim 0 Outdoor Trim 0 Output Trim 0 0 Soft Off Dly 45sec Mod Speed 0 1min Network Settings SYSTEM TRIM 0 STAGE A TRIM 0 0 OUTDOOR TRIM 0 SOFT OFF DELAY 45sec MOD SPEED 0 1min NETWORK...

Page 16: ...P RSHUDWLRQ FXUUHQW RU WKH YROWDJH UDQJH FDQ EH VHOHFWHG 9 9 9 9 KHFN WKH PRGXODWLQJ PRWRU WR GHWHUPLQH LWV FRQWURO UHTXLUHPHQWV 6HOHFW WKH DSSURSULDWH 2XWSXW 7 SH IRU VWDJHV A B The BSC will then automatically bring up the screen for stages C D I GLIIHUHQW W SHV RI EXUQHUV DUH EHLQJ XVHG VWDJHV C D can be selected to have a different Output Type from stages A B MODULATING MODE Normal Parallel Def...

Page 17: ...H V VWHP 7KH 6 ZLOO DGG VXEWUDFW PRGXODWH RU KROG WKH VWDJHV WR PDLQWDLQ WKH V VWHP temperature pressure around the Set point SET POINT 140 F 7KH V VWHP LV H SHFWHG WR ÀXFWXDWH DURXQG WKH VHW SRLQW 7KH DPRXQW RI ÀXFWXDWLRQ GHSHQGV RQ WKH 6 VWHP DQG 6WDJH 6HWWLQJV I DQ 2XWGRRU 6HQVRU ZDV FRQQHFWHG SUHVVLQJ WKH ADJUST SELECT button will continue to the Outdoor Cutoff setting option I WKH 06 0RGH ZDV...

Page 18: ...h to the Offset setting option OFFSET Adjustable from 40Fº 22Cº to 40Fº 22Cº Default 0Fº 0Cº SELECT MENU Set Point Offset in Outdoor Reset only Available with Reset Modes Only 7KH 2IIVHW VHWWLQJ PRYHV WKH 5HVHW 5DWLR FXUYH YHUWLFDOO 7KLV PHDQV WKDW UHJDUGOHVV of the Outdoor temperature or the Reset Ratio that has been selected when the Offset setting is changed that change is directly added to or ...

Page 19: ...KLS EHWZHHQ WKH DLQ DQG VWDJH PRGXODWLRQ 7KH 3URFHVV DLQ 7DEOH GRHV QRW VKRZ DOO WKH SRVVLEOH PRGXODWLRQ YDOXHV 7KH WDEOH LV IRU H DPSOH RQO 7KH 6 ZLOO FRQWURO WKH modulation in one percent increments based on the Set Point and Gain value PROCESS GAIN THROTTLING RANGE TABLE System Temperature Stages Modulation More than 1 x Gain above Set Point Lead Stage is OFF 1 x Gain above Set Point Lead Stage...

Page 20: ...3XUJH HOD VHWWLQJ MUST EH VHW DFFRUGLQJ WKH XQLW V PDQXIDFWXUHU VSHFL FDWLRQ LAG DELAY Adjustable from 0 to 60 minutes Default 0 0min SELECT MENU System Settings Lag Delay Not Available in Process 6HW WKH DJ HOD WR PLQ ZKHQ WZR RU PRUH 6WDJHV ZLOO JHQHUDOO EH QHHGHG WR KROG the load LAG DELAY 0min 7KH DJ HOD UHTXLUHV WKH SUHYLRXV VWDJH WR UHPDLQ DW PRGXODWLRQ IRU WKH IXOO DJ HOD SHULRG EHIRUH DQRW...

Page 21: ...ZLOO QRW EH DFWLYDWHG XQOHVV D VLJQDO LV ZLUHG LQWR WKH 6 EMS terminals See Wiring the Setback on page 8 Q HDWLQJ PRGH WKH DPRXQW RI 6HWEDFN VHOHFWHG LV VXEWUDFWHG IURP WKH 6HW 3RLQW ZKHQ D 6HWEDFN VLJQDO LV UHFHLYHG RU D WHPSHUDWXUH H DPSOH LI WKH 6HW 3RLQW LV DQG WKH 6HWEDFN LV WKHQ ZKHQ WKH EMS and SIGNAL terminals are FORVHG WKH 6 ZLOO KROG D 6HW 3RLQW RI ROTATE TIME Adjustable from 1 to 999 h...

Page 22: ...Hold setting must be accounted for The boiler limit must be set above the Set Point PLUS the Last Stage Hold PLUS the normal temperature drop experienced in the piping 8VLQJ WKH SUHYLRXV H DPSOH RI D DVW 6WDJH ROG ZLWK D 6HW 3RLQW WKH ERLOHUV OLPLWV PXVW EH VHW HQRXJK RYHU WR prevent the boilers internal limits from being reached SET POINT AND DEFAULT TABLE SENSOR SET POINT SETBACK LAST STAGE HOLD...

Page 23: ...ve on to the next letter QWHU MMOD into the Login screen KHQ FRPSOHWHG VHOHFW No to the prompt Change Password PASSWORD ENABLED NO YES CHANGE PASSWORD NO YES NEW PASSWORD ENTER NEW PASSWORD LOGIN ENTER PASSWORD M NEW PASSWORD REENTER NEW PASSWORD CHANGE THE PASSWORD Yes No Default No SELECT MENU System Settings More Settings Password Change Password ROORZ WKH LQVWUXFWLRQV WR XVH WKH GHIDXOW 3DVVZR...

Page 24: ...xample after viewing the Ignition Point pressing the NEXT button will move you to the Modulation Start 3UHVVLQJ WKH NEXT button does NOT save the setting To save a new setting you MUST press the ADJUST SELECT knob 3UHVVLQJ WKH PREVIOUS button automatically returns you to the previous adjustment for a Stage without having to return to the Stage Settings menu CAUTION KHQ LQ 6WDJH PHQX SUHVVLQJ WKH 1...

Page 25: ...PRGXODWLRQ WKDW PXVW EH DWWDLQHG EHIRUH WKH XQLW FDQ be activated RU PRVW PRGHUQ SRZHU GUDIW XQLWV WKH JQLWLRQ 3RLQW VKRXOG EH VHW DW 2OGHU XQLWV RU DWPRVSKHULF XQLWV PD UHTXLUH WKH PRGXODWLQJ IXHO YDOYH WR EH RSHQ from 20 50 before proper ignition can be attained Check with the equipment manufacturer if you are in doubt about the minimum modulation signal required to activate the stage STAGE A Ig...

Page 26: ...W DSSOLFDWLRQV KHQ WKHUH DUH VHYHUDO VWDJHV RI UHODWLYHO HTXDO FDSDFLW DQG DOO can be used to hold the load this allows some degree of overlap without activating unnecessary stages 5HFRPPHQGHG ZKHQ RQH VWDJH FDQ DOZD V KDQGOH WKH ORDG ZKLOH WKH RWKHU VWDJHV DUH PDLQO XVHG IRU EDFNXS MODULATING MODE PARALLEL SEE STARTUP MODULATING MODE ON PAGE 16 7KH 0RGXODWLRQ 6WDUW VKRXOG EH VHW WR WKH PD LPXP YD...

Page 27: ... clicking on the Stage button BSC will scroll through the rest of the stages IWHU DGMXVWLQJ WKH 2XWSXW 7ULP WHVW WKH RSHUDWLRQ RI WKH VWDJH WKURXJKRXW WKH IXOO range to make sure the results match your expectation STAGE A TRIM 0 0 Click the Stage Button STAGE B TRIM 0 0 ALERT DO NOT use the Output Trim for a Stage unless it is absolutely necessary Test burner operation and modulation output matchi...

Page 28: ...QLVWUDWRU QWHU WKH 6XEQHW 0DVN LQ WKH Msk HOG IWHU GLDOLQJ HDFK RFWHW SUHVV WKH ADJUST SELECT button to accept GATEWAY ADDRESS 7KH DWHZD LV XVHG WR SURYLGH D PHDQ IRU WKH 6 WR FRPPXQLFDWH RXWVLGH WKH ORFDO QHWZRUN HQYLURQPHQW 7KH DWHZD PXVW EH SURYLGHG E WKH 1HWZRUN GPLQLVWUDWRU QWHU WKH DWHZD LQ WKH Gwy HOG IWHU GLDOLQJ HDFK RFWHW SUHVV WKH ADJUST SELECT button to accept ALERT A BSC that is BACne...

Page 29: ...1 7 1 25 1 8 1 5 1 9 2 1 10 3 1 11 4 1 2300 RTMODE Lead Stage Rotation Mode MV 1 Manual 2 Time 3 Last On 2400 RTTIME Periodic Rotation Interval AV Hours 71 1 999 2500 SB Setback AV Psi 56 C 62 F 64 0 7 5psi 0 75psi C F 2600 SETPT Set point AV Psi 56 C 62 F 64 0 0 15 0psi 0 0 30 0psi 0 100psi 40 122 C 40 250 F 2700 SRUNON System Run on AV Minutes 72 0 60 2800 STBYDLY Standby Delay AV Minutes 72 1 6...

Page 30: ...DJH relays unless the Prove is shorted Check Message Display Line on page 12 6KXWGRZQ The BSC will activate stage outputs when the Shutdown terminals are short Check Message Display Line on page 12 6HQVRU DXOW When the Sensor Fault is set to Shutdown in the startup menu on page 7 the System sensor fault in all Sensor Type modes or the Outdoor sensor fault in Reset mode will GH HQHUJL H DOO VWDJH U...

Page 31: ...weather conditions adjust the Reset Ratio and Offset See 8QGHUVWDQGLQJ 2SHUDWLQJ RQFHSW RQ SDJH 5 If reduced heat occurs year round increase the Offset 6HWEDFN I UHGXFHG KHDW RFFXUV RQO GXULQJ VSHFL F KRXUV FKHFN WKH 6HWEDFN YDOXH DQG WKH VRXUFH RI WKH VHWEDFN VLJQDO LWKHU reduce the Setback setting See page 21 or change the hours the setback signal is activated ...

Page 32: ...utdoor temperature sensor 35 F 37 C to 250 F 121 C HDWLQJ V VWHP VHQVRU F 37 C to 250 F 121 C Outdoor Cutoff Range 20 F 7 C to 100 F 38 C ON and OFF Reset Ratio Range WR 2XWGRRU 6 VWHP DWHU Offset Adjustment WR Minimum Water Temperature Reset Only 70 F 21 C to 170 F 77 C Set Point Temperature Range 70 F 21 C to 250 F 121 C EMS Temperature Range 70 F 21 C to 240 C System Run On WR PLQXWHV Purge Del...