Chief SL236SPI project mount
Contents
1. 4 12V DC 3 ground 10 12V DC 9 ground 12 retract 3 retract radio power Red 11 extend 9 service 13 ground 1 24V AC 4 extend 11 service relay Black 24V White Other Low Voltage Wall Switch or Relay Control Up 6 Extend Retract Comm 2 24V AC Comm Jumper 1 amp 5 12 retract 5 Extend Retract Comm 2 24V AC Comm Down 11 extend Service Open Close 9 service N A N A Sequence Show Mode N A Stop N A Left Right Common Error Reversing contact between error input and common indicates an error and unit reverses direction Extend Error N A N A 13 ground 14 extend error 9 ground 8 extend error Retract Error Common Relay Contacts relay closes when unit reaches end of travel Extend Relay a Extend Relay b 15 retract error 13 ground 16 extend relay in 17 extend relay out 7 retract error 9 ground 14 extend relay in 12 relay out common Retract Relay a Retract Relay b 18 retract relay in 19 retract relay out 13 retract relay in 12 relay out common EXTERNAL WIRING Figure 18 o Jo payoene punosB 10 xoq nous sisBuy ING NOTE The numbers listed in the SL236i Internal and SL236i External columns refer to the corresponding numbers located where indicated in the wiring pictures See Figure 18 13 SL236i Installation2. INSTALLATION INSTRUCTIONS SMART LIFT Electric Ceiling Lift This device complies with part 15 of the FCC rules Operation is subject to the following 2 conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits of a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio or television communications However there is no guarantee that the interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit other than that to which the receiver is connected Consult the dealer or and experienced radio TV technician for help CHIEF SL236i Our Mounts Your Vision SL236i
3. 11 12 E J 12 25 I E T i i 41 07 27 2 fe_41 10 4 DIMENSIONS MILLIMETERS INCHES SL236i Installation Instructions INSTALLATION REQUIREMENTS NOTE Throughout this document reference to SL236i refers to both SL236FDi and SL236SPi models The SL236i has been designed to be mounted recessed into a ceiling Power Requirements e 230VAC 50Hz 2 amps if NOT installing an internal outlet for projector e 230VAC 50Hz 12 amps if installing an internal outlet not provided for projector IMPORTANT An external disconnect switch accessible to the user must be provided during installation IMPORTANT Installation and maintenance of this product must be completed by a qualified service technician Pre Test Lift before Installation 1 Carefully inspect the SL236i for any shipping damage If any damage is apparent do NOT continue with the installation Instead contact Chief for further instructions 2 Attach supports not provided to the top of lift See Figure 1 Supports Figure 1 3 Suspend the lift at least 3 1 2 ft above a surface from a suitable structure such as saw horses ladders or tables 4 Remove and save two screws holding side electrical cover in place See Figure 2 5 Remove electrical cover See Figure 2 External wiring terminal Electrical cover Figure 2 6 Place the jumper wire E on the external wiri
4. 3 Remove the yaw adjustment bracket from the SL236i by lifting up See Figure 11 Yaw adjustment bracket Figure 11 4 Place the yaw adjustment bracket over the studs on the SLB bracket selecting the set of holes that best centers the projector weight See Figure 12 5 Install thumb nuts to secure yaw adjustment bracket to SLB bracket with projector 6 Reinstall yaw adjustment bracket with projector to SL236i by setting it in place and releasing tabs at each end of yaw adjustment bracket See Figure 12 SLB Bracket appearance varies Figure 12 10 Adjustments 1 TRAVEL SHOW ADJUSTMENT A CAUTION Do not overadjust exceed maximum travel length e To adjust the travel of the lift mechanism insert a Phillips screwdriver into the access hole found at the left rear corner of the lift NOTE The access hole may be covered by ceiling tile in the SL236SPi model e Shorten travel by turning adjustment screw clockwise one or two turns Check for desired travel and repeat as necessary See Figure 13 e Lengthen travel by turning the adjustment screw counter clockwise one or two turns Check for desired travel and repeat as necessary See Figure 13 Front of unit 1 Travel adjust access hole Figure 13 Installation Instructions SL236i 2 FORWARD BACKWARD and PITCH 4 ROLL Horizontal Tilt e To shift projector backward or f
5. Grounding Instructions A CAUTION Changes or modifications to this unit not expressly approved by the manufacturer can void the units FCC compliance rating and make the unit illegal to operate A WAR N l NG Failure to provide adequate structural strength for this component can result in serious personal injury or damage to equipment It is the installer s responsibility to make sure the structure to which this component is attached can support five times the combined weight of all equipment Reinforce the structure as required before installing the component A WARN l NG Exceeding the weight capacity can result in serious personal injury or damage to equipment It is the installer s responsibility to make sure the weight of all components attached to the SL236i does not exceed 35 Ibs 15 9 kg A WARN l NG RISK OF INJURY Do not place video equipment such as televisions or computer monitors on the ceiling panel of the SL236 The total weight of any objects on the ceiling panel must not exceed 5 Ibs 2 3 kg NOTE This system has no user serviceable parts SAVE THESE INSTRUCTIONS Installation Instructions SL236i TOOLS REQUIRED FOR INSTALLATION PARTS me vt A qye I M J 1 x1 Power cord B 1 Push button assembly C 5 D 1 External terminal cover plate 4 cable tie LI F 5 A Cable tie mount N7 DS 6 32 x 3 1
6. Instructions Table 2 INTERNAL TERMINAL DESCRIPTIONS Funcron pescao WING OFTIONS This is an internal power supply for powering external devices amp 24 VOLT AC 24 volt AC output Remote Controllers 2 24VOLTACCOMMON 24voltACcommon SIGROUND Grounds A O This is an internal power supply for powering external devices las ag eses eran rn EA Initiates movement if lift is static or stops movement if lift is in motion Direction of travel will be opposite ISOLATED EXTEND RETRACT of last direction of travel Operating range is 5 30 Volts AC or DC Used in conjunction with Extend Retract when using NOT TO BE USED AS GROUND FOR FUNCTION OTHER THAN ISOLATED EXTEND RETRACT an external power source to Initiate movement EXTEND RETRACT TERMINAL 5 When control senses voltage unit will extend When 7 ISOLATED VOLTAGE SENSE control senses cessation of voltage unit will retract Operating range is 5 30 Volts AC or DC Used in conjunction with Voltage Sensor when using NOT TO BE USED AS GROUND FOR FUNCTION OTHER THAN ISOLATED VOLTAGE SENSE an external power source to initiate movement VOLTAGE SENSOR TERMINAL 7 Extends unit to maximum limit bypassing normal use travel setting Often used for servicing projectors in ceiling lifts Feature not available on all models Extends unit to preset travel limit when momentarially If using Latching Switch be sure to disengage Switch prior to Retracts unit to preset trav
7. Savage MN 55378 Milestone AV Technologies Fellennoord 130 5611 ZB Einhoven The Netherlands 31 0 20 5708923 AAA emc Cd Safety A sample of the product has TUV SUD America TUV SUD America Inc been tested by Test report reference WC604617 1 Certificate Z1 11 03 60473 038 Test Report 092 1006623 000 Applied standards Means of conformity EN 61000 6 3 2007 IEC 60065 2001 A1 2005 EN 61000 3 2 2006 EN 60065 2001 A1 2006 A11 2008 EN 61000 3 3 2006 EN 61000 6 1 2007 We declare under our sole responsibility that this product is in conformity with Directive 93 68 EEC Marking 98 37 EC Machinery 2001 95 EC Safety 2006 95 EC LVD and or complies to the essential requirements and all other relevant provisions of the based on test results using non harmonized standards in accordance with the Directives mentioned Installation Instructions SL236i 17 SL236i Installation Instructions 18 Installation Instructions SL236i 19 SL236i Installation Instructions O CH E F USA International Our Mounts Your Vision I N Europe Chief Manufacturing a products division of Milestone AV Technologies Asia Pacific 8820 002033 Rev00 2011 Milestone AV Technologies a Duchossois Group Company www chiefmfg com 05 11 pNUb5TNIUD TU 8401 Eagle Creek Parkway Savage MN 55378 800 582 6480 952 894 6280 877 894 6918 952 894 6918 Fellenoord 130 5611 ZB EINDHOVEN The Netherla
8. Wiring OPIO Sisi 12 Power Requirements and Wiring ii 7 Table 1 Wiring WN ria 13 Grounding INStructions n 7 Table 2 Internal Terminal Descriptions 14 Installing in Ceiling 7 Internal External Wiring Terminal DescriptionS n 15 Installation Instructions SL236i DIMENSIONS 520 7 SL 236FDi 20 50 260 4 10 25 AAA i DE VE 732 8 23 00 6383 MAXIMUM AVAILABLE SPACE FOR i PROJ ECTOR AND EQUIPMENT HxWxD 9 25 x 20 50 x 22 75 INCHES 235 0 x 520 7 x577 9mm l Rx I 635 0 25 00 669 3 le 65 16 5 26 35 19 1 75 Lisal El 280 9 11 06 1 06 26 9 6063 DIMENSIONS MILLIMETERS INCHES SL 236SPi i CURRENT 9 26 235 2 MAX 9 91 251 7 MIN 7 78 197 6 606 6 REMEMBER TO ADD 375 TO 1 00 606 6 9 5 TO 25 4mm TO THE MAX ira 9 91 251 7mm OF YOUR PROJ ECTOR 1633 5 HEIG HT TO ALLOW FOR THE ROOM THE 249 SLB BRACKET WILL CONSUME 110 2 719 1 4 34 28 31 584 2 700 0 23 00 27 56 MAXIMUM AVAILABLE SPACE FOR A PROJ ECTOR AND EQUIPMENT y Y Y HxWxD 9 25 x 20 50 x 22 75 INCHES 235 0 x 520 7 x 577 9mm 638 0 65 16 5 12 1 06 26 9 H El 282 4 311 2
9. suitable for use in Other Environmental Air Space in Accordance with Section 300 22 C of the National Electrical Code When using an electrical mounting system basic precautions should always be followed including the following READ ALL INSTRUCTIONS BEFORE USING THIS PRODUCT A DANG E R TO REDUCE THE RISK OF ELECTRIC SHOCK 1 Always turn off power at source before cleaning A WARNING TO REDUCE THE RISK OF BURNS FIRE ELECTRIC SHOCK OR INJURY TO PERSONS e Always turn off power at source before putting on or taking off parts e Use this mounting system only for its intended use as described in these instructions Do NOT use attachments not recommended by the manufacturer e Never operate this mounting system if it has a damaged test cord or test plug If it is not working properly during testing return the mounting system to a service center for examination and repair e Keep the test power cord away from heated surfaces e Never operate the mounting system with the air openings blocked Keep the air openings free of lint hair and the like e Never drop or insert any object into any opening Do not use outdoors unless marked for outdoor use Route cords and cables as shown in the installation instructions e To disconnect turn all controls to the off position then turn off power at source A WARN NG RISK OF ELECTRIC SHOCK Connect this mounting system to a properly grounded outlet only See
10. 6 O re Rubber grommet E 1 Jumper wire Installing in Suspended Ceiling SL236SPi 7 SL236i Installation Instructions LEGEND Tighten Fastener Phillips Screwdriver Apretar elemento de fijaci n Destornillador Phillips Befestigungsteil festziehen Kreuzschlitzschraubendreher Apertar fixador Chave de fendas Phillips Serrare il fissaggio Cacciavite a stella Bevestiging vastdraaien lt gt Kruiskopschroevendraaier Serrez les fixations Tournevis a pointe cruciforme Aflojar elemento de fijaci n Ajustar Befestigungsteil l sen Einstellen Desapertar fixador Ajustar Allentare il fissaggio Regolare Bevestiging losdraaien Afstellen Desserrez les fixations Ajuster TABLE OF CONTENTS DISCIAIMEr iii 2 Installing in a Wood Framework Joists 9 Tools Required For Installation 3 Installing Projector on SL2861 9 O E 3 AdJUSIMONES cacinocinciononnciaincntonincnacicni nes 10 Leoni ira 4 Routing Cables eens 11 DIN rain 5 Connecting Control Wiring 12 Installation Requirements 6 Connecting to Power Supply 12 Power Requirements 6 Plenum Rated Installation 12 Pre test Lift Before Installation 6
11. Installation Instructions DISCLAIMER Milestone AV Technologies and its affiliated corporations and subsidiaries collectively Milestone intend to make this manual accurate and complete However Milestone makes no claim that the information contained herein covers all details conditions or variations nor does it provide for every possible contingency in connection with the installation or use of this product The information contained in this document is subject to change without notice or obligation of any kind Milestone makes no representation of warranty expressed or implied regarding the information contained herein Milestone assumes no responsibility for accuracy completeness or sufficiency of the information contained in this document Chief is a registered trademark of Milestone AV Technologies All rights reserved A IMPORTANT SAFETY INSTRUCTIONS A WAR N NG alerts you to the possibility of serious injury or death if you do not follow the instructions A CAUTI ON alerts you to the possibility of damage or destruction of equipment if you do not follow the corresponding instructions A WARN l NG FAILURE TO READ AND FOLLOW THE FOLLOWING INSTRUCTIONS CAN RESULT IN SERIOUS PERSONAL INJURY DAMAGE TO EQUIPMENT OR VOIDING OF FACTORY WARRANTY It is the installer s responsibility to make sure all components are properly assembled and installed using the instructions provided IMPORTANT Model SL236i is
12. dinances WARNING RISK OF ELECTROCUTION All electrical wiring required for installation should be installed by a qualified electrician WARNING PINCH HAZARD FINGERS OR HANDS BETWEEN MOVING PARTS CAN LEAD TO SEVERE PERSONAL INJURY Keep fingers and hands away from mount when operating 8 Press the push button B to test the SL236i while it is still in the pre test position e Press when the lift is at its top position and it will move down e Press when the lift is at its bottom position and it will move up e Press while the lift is moving and it will stop Leave SL236i in the closed position INSTALLING IN CEILING WARNING IMPROPER INSTALLATION CAN LEAD TO LIFT FALLING CAUSING SEVERE PERSONAL INJURY OR DAMAGE TO EQUIPMENT It is the installers responsibility to make certain the structure to which the lift is being mounted is capable of supporting five times the weight of the lift and all attached equipment Reinforce the structure as required before installing the lift NOTE The following instructions assume a suitable mounting structure and surface exists prior to installation and all power and signal wires and cables have been properly installed Installing in a Suspended Ceiling SL236SPi NOTE The SL236SPi may be suspended from three 3 8 in diameter x 8 in length minimum Grade 2 or better threaded rods not provided which are secured to a 1 5 8 x 1 5 8 12 ga metal framing channel spanning a maximum o
13. e cables as necessary using supplied mounting pads F and cable ties C f CAUTION KEEP SL236i OPEN WHILE PROJECTOR IS Cable clips RUNNING OR IN COOLING MODE Premature bulb failure slack for movement A Figure 17 Connecting Control Wiring WARNING All wiring should be performed by a licensed electrician following all local codes and ordinances 1 Unplug the SL236i s power cord J used for testing 2 Remove the jumper wire E and supplied push button B wiring previously installed in the Pre Test Lift before Installation section from the external terminal block See Figure 3 3 Connect control wiring following instructions included with the third party automation and control equipment and user supplied switching devices and information in Table 1 Wiring Table NOTE Any knockouts removed in the SL236i must be replaced with a supplied rubber grommet H 4 Feed the video and or communications cables through the knockout in the rear or top of the lift and connect it to the projector NOTE Ensure there is enough slack in the cables to allow for up and down movement of the lift 12 or damage to electrical components may occur if lift closes NOTE If SL236iis cycled up and down repeatedly the motor s thermal overload protection will stop operation Operation will resume when the thermal overload resets usually within 3 to 5 minutes Connecting to Power Supply Plenum Rated In
14. el limit when If using Latching Switch be sure to disengage Switch prior to momentarially connected to ground initiating any other function GROUND AAA AAA EXTEND ERROR triggered while unit is extending momentary connection to ground initiates error mode RETRACT ERROR triggered while unit is retracting momentary connection to ground initiates error mode A Closes set of internal dry contacts when unit reaches EXTEND LIMIT RELAY full extension EXTEND LIMIT RELAY AA A eo Closes set of internal dry contacts when unit reaches RETRACT LIMIT RELAY full retraction RETRACT LIMIT RELAY ACE connected to ground initiating any other function 14 Installation Instructions SL236i anjg Aa D mm vo E9 L EJJI OL O O p y 4 9 l 2 Suu 10 pay O O CO dE 23 ee p 0 3 CL Ze EE U c Ez 52 ua E 3E OES AE EIA da O O m el N i N L o a m da 2 a4 Vv y e mn 3 T H o E S E E Q Vv n E E E e a bei o i a N Figure 19 15 SL236i Installation Instructions 16 CE Product identification Model type Category description Brand Manufacturer EU Representative Concerning MANUFACTURERS DECLARATION OF CONFORMITY For SL236FDI SL236SPI Mounting devices Stands and other Accessories to be used with entertainment electronics Chief Milestone AV Technologies 8401 Eagle Creek Parkway
15. f 5 feet not provided by Grade 2 or better 3 8 channel nuts not provided 1 Remove and save nuts attaching guide wires to two corners of ceiling panel See Figure 5 Ceiling Panel eo Remove clip from Figure 5 SL236i Installation Instructions 2 Pull down on each corner of ceiling panel to remove ceiling panel clips from rectangular holes See Figure 5 3 Install the SMA651 optional accessory at this time if applicable following instructions included with the kit 4 Cutthe ceiling grid to fit the perimeter of the SL236SPi 5 Place SL236SPi onto threaded rods inserting the rods into the three slots on top of the SL236SPi housing See Figure 6 6 Secure the threaded rods to the SL236SPi with Grade 2 or better 3 8 in jam nuts not provided and washers one of each on inside and one of each on outside not provided Top view of SL236i Insert rods into 3 slots Figure 6 7 Install the SMA 620 optional accessory to the SL236SPi if applicable following instructions included with the kit 8 Insert the ceiling grid edge surrounding the SL236SPi into the side channel of the SL236SPi See Figure 7 NOTE The side channel of the lift will support the weight of the grid and ceiling tiles Side E Channel CAUTION The lift MUST be installed square and parallel Avoid s
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17. ng terminal contacts labeled 2 and 5 and wire the push button assembly B to contacts 1 red and 6 black See Figure 3 7 Plug the SL236i test inlet in using the supplied 6 ft power cord J See Figure 2 NOTE The supplied power cord J may not work in all countries and the user may need to supply an appropriate cord for the country of use Place jumper wire E 2 and 5 Wire push button assembly B 1 red 6 black Figure 3 NOTE See Figure 2 for location of external wiring terminal See Figure 4 for location of internal wiring terminal Installation Instructions SL236i Internal wiring terminal Some parts not shown for clarity Figure 4 Power Requirements and Wiring The SL236i requires 230VAC 50 Hz power to operate NOTE A6 ft long power cable is provided with the mount This supplied power cord should be used for testing only and nat for the permanent installation The SL236i will be hard wired at installation IMPORTANT This product must be grounded If it should malfunction or break down grounding provides a path of least resistance for electric current to reduce the risk of electric shock Grounding Instructions This product is equipped with a test cord having an equipment grounding conductor and a grounding plug The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes and or
18. nstalling in a Wood Framework SL236FDi Only 1 Use 1 4 x 1 minimum Grade 2 lag screws not provided to secure SL236FDi to the joists or wood framework using the mounting tabs located on the sides of the SL236FDi housing See Figure 10 NOTE There are three mounting tabs on each side and two mounting tabs on the front of the SL236FDi There are three mounting holes in the back of the SL236FDi The SL236FDi must be installed using the back mounting holes AND the front two mounting tabs on both sides OR by using the back mounting holes AND the front mounting tabs IMPORTANT Wood framework must be constructed of nothing larger than 2x6 wood studs across the rear of the SL236FDi There are no size limitations for the wood framework on the other three sides of the SL236FDi Mounting Tabs e Mounting Tabs CAUTION The lift MUST be installed square and parallel Do NOT stress or bend the lift during installation 2 Use the provided push button B to operate the SL236i up and down ensuring that all clearances are adequate Installing Projector on SL236i NOTE The projector is secured from the top by an SLB bracket a Listed accessory which is not included 1 Attach the SLB bracket to the projector using the hardware and instructions included with the bracket SL236i Installation Instructions 2 Press in end tabs on both ends of yaw adjustment bracket and lock into place See Figure 11
19. orward or up or down Shift bracket up or down in the side holes on one side loosen the nuts on each end of the yaw adjustment or the other by loosening nuts bracket See Figure 14 Adjust and tighten nuts on bracket See Figure 16 Move mounting bracket forward or backward or up or down as required The bracket must be adjusted forward backward equally Tighten nuts See Figure 14 Figure 14 Figure 16 3 YAW Rotation Routing Cables e Adjust one or the other side of the yaw adjustment bracket backward or forward by loosening two nuts on each Side See Figure 15 CAUTION Do NOT attach cables to lower lifting arms or Adjust bracket as required sides of projector bracket Damage may result when lift is e Tighten nuts See Figure 15 raised 1 Lower SL236i to service position 2 Route and secure electrical and video cables using installed cable clips See Figure 17 Remove nut and open cable clip Route cable through clip e Close cable clip and fasten with nut 3 Included mounting tabs F and cable ties C may also be used for securing cables CAUTION SHOCK INJURY OR DAMAGE TO EQUIPMENT IS POSSIBLE Avoid placing cables near moving parts and pinch points to avoid damage to the cables Ensure there is enough slack in the cables to allow for up and down movement of the lift Figure 15 11 SL236i Installation Instructions 5 Secur
20. stallation WARNING FAILURE TO DISCONNECT AND TERMINATE POWER LEADS PROPERLY MAY RESULT IN PERSONAL INJURY OR EQUIPMENT DAMAGE Licensed electrician must disconnect and terminate the leads to the power cord receptacle and must hard wire the SL236i to a 2 amp power source 1 Disconnect and remove power inlet from interior junction box 2 Hardwire unit to a 230V 50 Hz 2 amp power source NOTE This unit was designed to have conduit run directly into the back of the interior junction box NOTE If installing the SL236i in a drywall ceiling remove the outside terminal block and cover with plate D using four 6 32 x 3 16 Phillips pan head screws G Wiring Options NOTE Refer to the Table 1 Wiring Table and See Figure 18 for information on all wiring options NOTE Refer to Table 2 Internal Terminal Descriptions and See Figure 19 for terminal descriptions functions and wiring options Installation Instructions SL236i Table 1 WIRING TABLE Pushbutton Supplied on some models Momentary SPST 2 24V AC Comm Accessory Product SL 236 Internal SL 236 External 2 24V AC Comm Up Down 6 Extend Retract Comm Jumper 1 amp 5 12 retract 11 extend 5 Extend Retract Comm Open N A Close Left Right N A N A N A Common 12V Trigger will actually work with 5 30V AC or DC 12V 13 ground 7 trigger Ground 8 trigger
21. tressing or bending the lift during installation 9 Use the provided push button B to operate the SL236SPi up and down ensuring that all clearances are adequate 10 Replace surrounding ceiling tile 11 Remove four screws and the ceiling tile retainer from the ceiling panel See Figure 8 Ceiling Ceiling Tile Retainer Figure 8 12 Cut ceiling tile to fit inside ceiling tile retainer including grid pieces if necessary Installation Instructions SL236i Figure 9 13 Line up clips on four corners of ceiling panel with holes in SL236SPi 14 Re install four clips on ceiling panel into rectangular holes on SL236SPi See Figure 9 15 Reattach guide wires two places to SL236SPi using nuts removed earlier in Step 1 of Installing in a Suspended Ceiling section See Figure 9 16 Install ceiling tile and grid by sliding it into the open end of the ceiling tile retainer A CAUTION Do NOT allow parts of ceiling tile or grid to protrude from the ceiling panel Ensure that all parts assemble easily when installing ceiling tile into ceiling panel Any protruding parts may cause damage to the lift and or ceiling 17 Re install ceiling tile retainer to ceiling panel and secure with four screws removed in Step 10 See Figure 8 18 Use the provided push button B to operate the SL236SPi up and down ensuring that all clearances are adequate after the ceiling has been finished I
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