BCP-8 Hydronic Manual - Weil-McLain

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