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*44487304*
M400 Series Double Locks
44487304
Double Electromagnetic Locks: M422, M452, M492
Installation Instructions
Mounting Bracket (2)
Inside Mounting Bracket
Screws** (4)
Outside Mounting Bracket
Screws** (8)
Magnet Assembly (2)
Magnet Screws (4)
Joining Block
Armature plate (2)
Armature Holder Screws (4)
Armature Holder (2)
Sex Nut (2)
Armature Bolt*(2)
Conical Washer (2)
Star Locking Washer (2)
Flat Washer (2)
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Related Manuals for Schlage M422
Summary of Contents for Schlage M422
- Page 1 *44487304* M400 Series Double Locks 44487304 Double Electromagnetic Locks: M422, M452, M492 Installation Instructions Mounting Bracket (2) Inside Mounting Bracket Screws** (4) Outside Mounting Bracket Screws** (8) Magnet Assembly (2) Magnet Screws (4) Joining Block Armature plate (2) Armature Holder Screws (4)
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Page 2: Pre-Installation Considerations
Models (NOTE: Non-standard Door thickness may require different sex nut hardware - see specific instructions for required hardware). M422 (Traffic Control) • Follow the installation procedure as described in this manual. UL1034 and 10C/500 lb and 3 hr rating • Check door thickness. If the door is not 1C\v” thick, a different sex nut M452 (High Security) will be required. -
Page 3: Lock Installation
Lock Installation Prepare for installation. 1a Determine proper magnet orientation. Locks should be installed with wiring covers in the middle, so the magnet in one of the locks must be reoriented. Shown from Exterior Magnet Wiring Covers Magnet 1b Reorient magnet (if necessary). a. - Page 4 Place template and mark holes. a. Place template on top centerline of doors. b. Mark holes and prepare them per template. Install MBS indicator (optional, plus models ONLY). Install ATS (optional, plus models ONLY) 2a Remove cover. 3a Remove end block and wiring cover. 2b Drill hole for MBS indicator.
- Page 5 Attach armatures to doors. 4a Install armature holder. CAUTION Armature holder screws must be flush to inside of armature holder. OUTSIDE 4b Install armature plate as shown for door type (M420/M450 shown). WARNING Correct Incorrect Armature bolt must be tightened to at least 120 in.-lbs. for all doors except composite wood doors.
- Page 6 Install mounting brackets into frame. 5a Attach mounting brackets temporarily. 5d Slide second magnet onto bracket. a. Install alignment tool onto brackets. b. Install four (4) screws into slotted holes and partially tighten. Actual Size Sheet Metal Reinforced Metal Outside Outside 5e Align magnets to armatures a.
- Page 7 5g Align Center of Brackets Using Alignment Tool Install eight (8) screws a. Loosen two (2) innermost screws. a. Remove alignment tool. b. Place alignment tool over brackets. b. Install and fully tighten eight (8) screws. c. Tighten all four (4) screws. CAUTION All eight screws MUST be installed for proper Outside...
- Page 8 Attach magnets to mounting brackets. 6a Slide one magnet onto bracket. 6c Slide second magnet onto bracket. • Align with joining block. Outside 6b Install joining block into magnet. Outside 6d Secure locks with four (4) screws Actual Size...
- Page 9 Correct wiring to board (standard model) 7a Review wiring connections. Mag Lock Board Mag Lock Board DC (+) DC (+) DC (-) DC (-) From Magnet From Magnet DC (+) DC (-) 7b Connect wires to boards. 7c Install covers. From Door Frame DC Power Wires From Magnet...
- Page 10 Connect wiring to board (Plus model) 8a Connect outside wires to boards. • Choose between NO or NC. Normally Open (NO) Wiring in Parallel Switch position will be closed when doors are closed and locked. To be used with normally open terminals Normally Open Normally Open (NO)
- Page 11 8b Review plug locations. Mag Lock Board Note: Two MBS From MBS plugs are From MBS interchangeable RTD Adjuster Min. Max. Time Time Polarized From LED From Magnet Black/Red 8c Connect plugs to boards. 8e Install covers. From LED From MBS (2) From MBS (1) From Magnet Note: Some warming of the device under routine operation is...
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Page 12: Customer Service
Customer Service © Allegion 2015 Printed in U.S.A. 1-877-671-7011 www.allegion.com/us 44487304 Rev. 11/15-f...