BCP-8 Hydronic Manual - Weil-McLain

More documents

Recommendations

Info

controls as required by local codes. No boiler stage will start unless the Prove terminals are shorted. DO NOTremove the PROVE jumper supplied unless replacing it with a Prove signal. ge G Stage H SYSTEMDHWPUMP16 17 18 19 20 21 22 PROVEIf a Prove is not required, the factory-installed jumper must remain connected for proper operation. LNSystemPump by the System Run-On.The BCP-8W can control the DHW Pump when the DHW Pump Output option is activated from the Startup Menu.See page 18. DHW temperature falls below the DHW Set Point and DHW Differential when using a DHW sensor. relay is a Normally Open (N.O.) dry contact. It does not source any power.18), The BCP-8W will ignore a DHW call when theShutdown is active.The BCP-8W can control the Combustion Air Damper when the Comb. Air Output option is activated in the StartupMenu (Page 18). In addition, the PROVE input will function as the Combustion Air Damper status checker. boiler stages. relay is a Normally Open (N.O.) dry contact. It does not source any power. DHW COMage HSYSTEMPUMP AI7 18 19 20 21 22 23LNDHWPumpDHW COMB.EMPUMP AIR0 21 22 23 24LNoperate the boiler pumps or valves in addition to the boiler stages. N.O. dry contacts only. They do not source any voltage.wiring. Output A, followed by the higher stage of the same boiler and wire it to Stage B.Comb.AirDamperStage A Stage B Stage C Stage D Stage3 4 5 6 7 8 9 10 11 1Lo Hi Lo HiUnit1StagesUnit2Stages12
ENCLOSEDENERGYMANAGEMENTEQUIPMENTEXTENSIONMODULERS-485EXTENSIONMODULERS-485 connected to A and the higher stage of the same boiler must be connected to Stage B. The boilervalve or pump for the same boiler must be connected to Stage C.N Stage A Stage B Stage C Stage D Stage E Stage F2 3 4 5 6 7 8 9 10 11 12 13 14LNLo HiUnit1StagesUnit1PumpLo HiUnit2StagesUnit2Pump connect to the second extension or the 420MOD Interface. communication problem. (Switch is set to "B") will operate stages "Q" through "X".Connecting BCP-8 to Two Extension Panelsand 420MOD Interface using RS485Ext AExt BBCP-8BCP-8X ABCP-8WHYDRONIC SEQUENCING CONTROLBCP-8XSEQUENCING CONTROL EXTENSIONStage AStage BStage CStage DStage EStage FStage GStage HSYS=144F OD=35FSYSTEMDHW PUMP DE GH JKHI LO -- OFFCOMB. AIRSTAGE MENUI QJ RK SL TM UN VCommO WP XPowerOUTPUT RATINGS:120VAC, 6A RESISTIVE1A PILOT DUTY, 15A TOTALFOR ALL CIRCUITSINPUT RATINGS:115VAC 60Hz, 12VA MAXINPUT RATINGS:115VAC 60Hz, 12VA MAXLISTED99RACUSPWRL N1 2DO NOT APPLY ANY VOLTAGE TO INPUT TERMINALSCAUTION: Risk of Electric Shock.SENSORS MUST BE GOLD SERIESUse Copper Conductors Only.PROGRAM RUNDHW COMB.SHUTDOWNRS485Stage A Stage B Stage C Stage D Stage E Stage F Stage G Stage H SYSTEMPRESSOUTDOOR RETURNPUMPDHW /TSTATAIRTEMPPROVE+ -TEMP TEMP/SETBACK3 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 38PWRL N1 2CAUTION: Risk of Electric Shock.Use Copper Conductors Only.Ext AI Q J R K S L T M U N V O W P X3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18Ext B6 Pin Phone Cable (provided with Extension)BCP-8X BBCP-8XSEQUENCING CONTROL EXTENSION420MOD EMS InterfaceI QJ RK SL TM UN VCommO WP XPowerOUTPUT RATINGS:120VAC, 6A RESISTIVE1A PILOT DUTY, 15A TOTALFOR ALL CIRCUITSINPUT RATINGS:115VAC 60Hz, 12VA MAX4-20 mA EMS4-20mA INPUTRS485+ Signal GNDEXTENSION1 2 3CONNECTORSPWRCAUTION: Risk of Electric Shock.Use Copper Conductors Only.I Q J R K S L T M U N V O W P XExt AExt BL N1 23 4 5 6 7 8 9 10 11 12 13 14 15 16 17 184-20mA (+)EMS Signal (-)6 Pin Phone Cable (provided with 420MOD EMS Interface)13
Page 3 and 4: LEDs indicateassociated relay’s s
Page 5 and 6: The BCP-8W has multiple operating m
Page 7 and 8: saving features and give more comfo
Page 9 and 10: Immersion Heating System SensorImme
Page 11: ProveDry ContactSetbackDry ContactT
Page 15 and 16: -- EMS SET POINT --140 FBACK SAVE--
Page 17 and 18: Can be accessed by holding down the
Page 19 and 20: Hold Button: MENU//..../Burner Type
Page 21 and 22: Button: MENU/Season The MessageSumm
Page 23 and 24: every 1.5 degree change in the Outd
Page 25 and 26: -- STANDBY DELAY --10minHold Button
Page 27 and 28: Boost to 190 F". ------ BOOST PERIO
Page 29 and 30: can control the primary system pump
Page 31 and 32: System Temp Outdoor Temp Sys=155 F
Page 33 and 34: Check the sensor is connected and t
Page 35 and 36: SYS=168 F OD=45 FTGT=172 FABC ----
Page 37: -- SET SYS TEMP.1 - -- SET SYS TEMP

BCP-8 Hydronic Manual - Weil-McLain

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?