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commercial Door Controls4041 Series — Heavy DutyThe LCN 4041 Series is a non-handed surface mounted doorcloser. A wide choice of options, mounting accessories and easeof installation offer maximum versatility.The LCN 4041 Series is a heavy duty door closer designed to beused on aluminium, hollow metal or wood swinging commercialinterior/exterior doors and is ideally suited for hospitals,educational, institutional and other high traffic applications.Pictured: LCN 4041 - Standard CoverPerformance Features Universal, fully reversible, non- Independent adjustment valves for Stick-on template for fast, accuratehanded door closer.adjusting backcheck, closing andinstallation. Cuts installation timeCloser cylinder constructed oflatching speeds.in half.high strength cast iron for extra All adjustment valves are Closers installed according to LCNdurability.concealed behind the cover toinstallation instructions require Tested to 10,000,000 cycles.prevent tampering.minimal periodic maintenance or Fully adjustable 1-6 springJoints in arms and shoe bracketsadjustments. adapt to uneven mountingstrength to suit door size and siteShipped set to size 3. Standard closer offers 3Fire Rating: Refer to Appendix.surfaces.conditions. Fast adjust dial (fast accuratespring tension) to help installersaccurately adjust the closer toinstallation options.match the conditions of the- Regular (Pull side)application. As spring power is- Top Jamb (Pull side)adjusted, the size appears on the- Parallel Arm (Push side)face of the dial.Specification GuideLCN4041RSeriesLCN 4041 Series. . . . . . . . . . . . . . . . . . . . . . . .FunctionLCN4041Regular . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RHold Open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HOALFinishAluminium . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ALSatin Stainless Steel . . . . . . . . . . . . . . . . . . . . . . . . SSSPolished Stainless Steel . . . . . . . . . . . . . . . . . . . . PSS1. SeriesSelect the desired Seriese.g. LCN 4041 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LCN40412. FunctionSelect the required function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .LCN4041R3. FinishSelect the desired finishe.g. Aluminium . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LCN4041RALApril 09C1

commercial Door Controls4041 SeriesSpecificationsPictured: LCN 4041 - Standard CoverDoor TypeTimber or MetalDoor SizeExternal Door 610mm - 1219mmInternal Door 610mm - 1524mmApplicationsRegular - Pull Side MountParallel Arm - Push Side MountTop Jamb - Push Side MountAdjustmentControlsClosing SpeedLatching SpeedBackcheckStrength1-6 AdjustableOptionsHold Open ArmAdaptor PlateParallel Arm Drop PlateSquare Metal CoverFinishAluminiumSatin Stainless SteelPolished Stainless SteelWarranty10 YearsPictured: LCN 4041 - Designer CoverCloser Strength Selection ChartSelect strength based on width of doorStrengthExterior DoorInterior Door2NA610mm - 864mm3610mm - 762mm864mm - 965mm4762mm - 914mm965mm - 1219mm5914mm - 1067mm1219mm - 1372mm61067mm - 1219mm1372mm - 1524mmCloser StrengthsThe LCN 4041 is designed for reduced opening force which when set to a 1 strengthmakes it suitable for use by people who are frail, aged or disabled. This closer canoperate at between 14-20Nm from initial opening up to 90 .Caution!Where door closers are installed and adjusted to meet reduced opening forcerequirements, there maybe insufficient power to reliably close and latch the door,depending on prevailing operating conditions.Note:In areas of high wind pressure and/or air conditioning pressures LCN Automatic DoorOperators are recommended.C2April 09

commercial Door Controls4041 SeriesRegulating ControlsThe LCN 4041 has independent regulators to control:Closing speed:Adjustment to increase or decrease the speed at which the door closes. This allows theappropriate momentum to close the door in a safe and secure manner. Closing speedadjustment operates from the maximum opening to 15 .Latching speed:The latching speed allows the door to close quietly and firmly. It can be adjusted to increaseor decrease the speed at which the door finally closes. This assists the final stage of theclosing cycle to help overcome stubborn latch bolts or air pressure conditions. Alternativelythe latching speed can be decreased to cushion the door into the frame. The latching speedadjustment operates from 15 to closing.Backcheck:Adjustable hydraulic backcheck provides a cushioning effect when the door is forcibly thrownopen to prevent damage to the closer, door and frame. The backcheck adjustment allows thelevel of resistance in the latter stage of opening to be set at the level required. Backcheck iseffective from 75 . Backcheck is a requirement for all fire rated closers.Power Adjustment:Spring strength may be increased or decreased by turning the allen head screw located in theend of the door closer body.FunctionsRegular:For applications where the door must fully close after each opening.Hold-Open:Suitable for doors where the door may need to be left in a hold-open position. The hold-openfunction can be set to hold-open at a single point. Hold-open closers can not be used on firedoors.Cush-N-Stop:Used predominantly on outward swinging doors in situations where it is not practical to fit adoor stop. The Cush-N-Stop function has a built in stop incorporated into the arm to preventdamage to the closer, door or frame in the event of an abrupt stop. It is recommended thatmetal door frames be reinforced where the arm attaches to the transom.Maximum door opening 100 .Hold-Open Cush-N-Stop:Provides the same function as the Cush-N-Stop, but has the added feature of a hold-openfunction in the arm, which is engaged/disengaged by a tee handle.Maximum door opening 100 .April 09C3

commercial Door Controls4041 SeriesMounting Details - Standard CoverRegular (Pull Side) MountingRegular mounting has a maximum opening of 120 . The hold57mmopen arm allows the door to be set at a hold-open point279mmbetween 85 to 120 . The reveal should not exceed 19mm fora regular or hold-open arm. Top rail less than 95mm requiresAdaptor Plate. Adaptor Plate requires a 51mm minimumtop rail. Clearance of 70mm behind door is required for 90 0-18Top Jamb (Push Side) MountingTop jamb mounting has a maximum opening of 120 . Thehold-open arm allows the door to be set at a hold-open pointbetween 85 to 120 . A reveal of 65mm for regular and hold-57mm279mmopen arms allows a 120 opening. Top rail requires 32mm311mmminimum. Head frame requires 89mm minimum.17mm264mmC489mm68mm19mm95mm30mmApril 09

commercial Door Controls4041 SeriesMounting Details - Standard CoverParallel Arm (Push Side) Mounting102mmParallel arm mounting has a maximum opening of 180 . Thehold-open arm allows the door to be set at one given holdopen point up to the maximum opening. Clearance for the57mmPA Shoe is 102mm from door face. Top rail less than 140mm149measured from the stop requires Drop Plate. The Drop Platemm368mm102mmrequires a 51mm minimum from the stop. Minimum stop widthis 25mm. Blade stop clearance requires 13mm Blade Stop137mm89mmSpacer. When installing closers in parallel arm configuration,strength may be needed to be adjusted upwards to compensate125for power reduction.mm311mm137mm4040-18PA102mmCush-N-Stop (Pull Side) MountingCush arms can be templated for the following maximumopening/hold-open points:57mm1. 85 - A 202mm & B 232mmB357mm152mm2. 90 - A 183mm & B 216mm3. 100 - A 154mm & B 184mmClearance for the Cush Shoe is 140mm from door face.133mm89mm4. 110 - A 129mm & B 162mmA311mm133mm4040-18PAInstallationApril 09Blade Stop Spacer 4041-61Cush Shoe Support 4041-30Lowers PA Shoe to clear 13mm bladeProvides anchorage for fifth screw used with Cushstop.Arms where reveal is less than 78mm.C5

commercial Door Controls4041 SeriesMounting Details - Designer CoverRegular (Pull Side) MountingRegular mounting has a maximum opening of 120 . The holdopen arm allows the door to be set at a hold-open point70mm279mmbetween 85 to 120 . The reveal should not exceed 19mm fora regular or hold-open arm. Top rail less than 95mm requiresAdaptor Plate. Adaptor Plate requires a 51mm minimumtop rail. Clearance of 70mm behind door is required for 90 1-18DS1Top Jamb (Push Side) MountingTop jamb mounting has a maximum opening of 120 . Thehold-open arm allows the door to be set at a hold-open pointbetween 85 to 120 . A reveal of 65mm for regular and hold-70mm279mmopen arms allows a 120 opening. Top rail requires 32mmminimum. Head frame requires 89mm minimum.325mm10mm264mmC695mm68mm19mm101mm30mmApril 09

commercial Door Controls4041 SeriesMounting Details - Designer Cover102mmParallel Arm (Push Side) MountingParallel arm mounting has a maximum opening of 180 . The70mmhold-open arm allows the door to be set at one given holdopen point up to the maximum opening. Clearance for the149mm393mm102mmPA Shoe is 102mm from door face. Top rail less than 140mmmeasured from the stop requires Drop Plate. The Drop Platerequires a 51mm minimum from the stop. Minimum stop widthis 25mm. Blade stop clearance requires 13mm Blade Stop143mm85mmSpacer. When installing closers in parallel arm configuration,strength may be needed to be adjusted upwards to compensate325mm122mmfor power reduction.137mm4041-18PADS1102mmCush-N-Stop (Pull Side) MountingCush arms can be templated for the following maximumopening/hold-open points:70mm1. 85 - A 225mm & B 220mm357mmB2. 90 - A 206mm & B 183mm140mm3. 100 - A 177mm & B 154mm4. 110 - A 152mm & B 129mmClearance for the Cush Shoe is 140mm from door lade Stop Spacer 4041-61Cush Shoe Support 4041-30Lowers PA Shoe to clear 13mm bladeProvides anchorage for fifth screw usedstop.with Cush Arms where reveal is less than78mm.April 09C7