Laars EBP0110 Installation, Operation And Maintanance Manual

Laars EBP0110 Installation, Operation And Maintanance Manual Manual pdf 26 page image

Page 26 LAARS Heating Systems6.6.2 Alarm AcknowledgeWhen an alarm is activated (LO or one of the Fcodes), the control will flash between the alarmdisplay and the supply temperature. Pressing thepower button (upper left button) for half a second willallow the user to scroll through the menus for 30seconds, before reverting back to the alarm display.6.6.3 Power On/OffPressing the power button on the control (upperleft button) for 3 seconds will turn the controller off.This will not de-energize the boiler’s power, but willde-energize the controller. The display will still work,but the boiler will not acknowledge a call for heat, andwill not be able to fire. This allows the user to checkand set parameters when the boiler is unable to fire.The display will show “OFF”. When the power buttonis pressed again for 3 seconds, the display will show“ON” briefly, and the boiler will then resume normaloperation.6.6.4 Low Fire HoldBy pressing and holding the enter button and thedown arrow button for 2 seconds, the user will fix theEndurance in low fire for 5 minutes. There is nochange in the boiler control display when the unit is inthis mode.6.6.5 High Fire HoldBy pressing and holding the enter button and theup arrow button for 2 seconds, the user will fix theEndurance in high fire for 5 minutes. This can be usedto check and/or set combustion on the appliance.There is no change in the boiler control display whenthe unit is in this mode.6.6.6 Pump OperationThe Endurance’s internal pump will operatewhen any of the following conditions occur:• Low temperature mode.• Tank charge mode.• Heating system (T-T) call for heat.• Domestic hot water (DHW) call for heat.• Error condition detected.• Supply temperature detected as less than“boiler on point”.6.6.7 Anti-Condense Valve OperationThe control on the EBP unit opens and closes theAnti-Condensing Valve (ACV) based on the followingboiler conditions:ACV Open:• Heating system (T-T) call for heat, whenthere is no tank charge or DHW call forheat.• Cycles open and then closes every time theEBP is powered up.ACV Closed:• Domestic hot water (DHW) call for heat.• Tank charge mode.• No heating system (T-T) call for heat.Button Action ResultUp Arrow Press for 1/2 second 1. Scrolls up through view menu(Upper Right Button) 2. In setup menu, scrolls up through setup menu3. In setup menu, after parameter is chosen, increasesthe value of that parameterDown Arrow Press for 1/2 second 1. Scrolls down through view menu(Lower Right Button) 2. In setup menu, scrolls down through setup menu3. In setup menu, after parameter is chosen, decreasesthe value of that parameterEnter Press and hold for 3 seconds Puts the control is setup mode(Lower Left Button)Enter Press for 1/2 second 1. When in setup view, chooses the parameter that the(Lower Left Button) user wants to adjust2. When in setup menu, saves an adjusted parameterEnter & Up Arrow Together Press both together for 2 seconds High fire hold for 5 minutes(Lower Left and UpperRight Buttons Together)Enter & Down Arrow Together Press both together for 2 seconds Low fire hold for 5 minutes(Lower Left and Lower RightButtons Together)Power Press for 1/2 second When in alarm mode, allows the user to scroll through(Upper Left Button) menu for 30 secondsPower Press and hold for 3 seconds Turns control off or on to allow programming without a(Upper Left Button) call for heat interruption.Table 4. Boiler Control Button Functions.