BCP-8 Hydronic Manual - Weil-McLain

Boost to 190 F". ------ BOOST PERIOD---30minHold Button: MENU//Setback/Boost/Boost Period[ ] BACK SAVEswitch from Setback to normal operation takes place and will continue for the full Boost Period. An example would be if BCP-8W’s Set Point for the reasons detailed below.The temperature limits set on the boilers must be higher thanthe temperature rises in the header and before reaching the sensor location, energy is the BCP-8W Set Point. Readdissipated. Therefore, the temperature in the header could be lower than that registered the section at left for detailsby boiler sensors.that will prevent erratic system operation. to prevent the boilers’ internal limits being reached. In this situation, the boiler high limit should be set at approximately 180°Fto prevent the difference in boiler temperature vs. header temperature from causing erratic operation.-- DAY SCHEDULE ----Hold Button: MENU///Day Schedules07:**Am and people are active.BACK SAVE -- NIGHT SCHEDULE --sleeping. This setting reduces the calculated temperature by the Setback setting based10:**Pm BACK SAVE temperature of 150F.Hold Button: MENU///Present TimeHold Button: MENU//Present Timefollowed by the minutes. If hours are to be set to PM, scroll through the AM hours toreach the PM hours.- SET PRESENT TIME**:**BACK SAVERemember that the battery is used as a time backup. If no power is supplied to the BCP-8W, the battery will die inthree months and time clock values will be lost. Thus, DO NOT power down the control during off-season.27