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Installation Instructions

CL93

Best Lock modified by Command Access Technologies

STEP 1:  The door must be machined with a 3/8” wire raceway, 

cylindrical lock pocket & prepped for a energy transfer 

hinge. Make sure the cylindrical pocket is free of debris.

STEP 4:  Connect the wires exiting the lock pocket to the Bridge 

Rectifier (included).

STEP 2:  Run the wires from the ETH hinge through the 3/8” 

raceway starting at the ETH hinge & exiting into the lock 

pocket.

STEP 5:  Connect the Bridge Rectifier to the plug exiting the 

cylindrical chassis.

STEP 3:  Screw the ETH hinge to the door. At this time DO NOT 

connect the hinge wires on the jamb side to the wires 

coming from the power supply.

EU:  (Fail Secure) When power is applied, the outside trim will unlock. When 

power is removed, the outside trim is locked.

EL:  (Fail Safe) When power is applied, the outside trim will lock. When 

power is removed, the outside trim is unlocked.

REX:  (Request to Exit Switch) Monitors the inside handle.

STEP 8:  Connect the wires from the power supply at the ETH 

hinge on the jamb side. Connect the hinge to the jamb.

STEP 6:  Carefully slip the connected cylindrical lock chassis into 

the lock pocket paying close attention not to pinch any 

wires.

STEP 7:  Mount the cylindrical lock per manufacturer’s 

instructions.

LEGEND OF TERMS

SOLENOIDS:

SEE BACK FOR REX TEMPLATE

VOLTS 

24VAC/DC

12VAC/DC

CURRENT 

150mA

250mA

COIL RESISTANCE 

159 Ohms +/- 10%

49 Ohms +/- 10%

SWITCHES:   .25A  24VAC/DC

REX:             White - Common (C) 

Blue - Normally Open (NO) 

Black - Normally Closed (NC)

ELECTRICAL SPECIFICATIONS

Command Access Technologies is not a licencee, affiliated, associated or connected with Best or any of their subsidiaries or affiliates.

Command Access Technologies | 22901 La Palma Ave. Yorba Linda, CA 92831 | Phone: (888) 622-2377 | www.CommandAccess.com

12VAC/DC 

24VAC/DC 

or 

Power
Supply

Bridge Rectifier 

Wire Transfer Hinge 

Switch 
 

EU (Fail Secure) 

EU (Fail Secure) 

12VAC/DC 

24VAC/DC 

or 

Power
Supply

Bridge Rectifier 

Wire Transfer Hinge 

Switch 
 

EL (Fail Safe) 

EL (Fail Safe) 

Cyl. Lock 

Pocket 

3/8 Wire Raceway 

ETH Hinge Pocket 

 Bridge 

Rectifier 

 

Wire Transfer Hinge 

 Bridge 

Rectifier 

Plug 

3/8 Wire Raceway 

Cyl. Lock  

Pocket 

Cyl. Lock  

Pocket 

Cyl. Lock 

Pocket 

12VAC/DC 

24VAC/DC 

or 

Power
Supply

Bridge Rectifier 

Wire Transfer Hinge 

Switch 
 

EU (Fail Secure) 

EU (Fail Secure) 

12VAC/DC 

24VAC/DC 

or 

Power
Supply

Bridge Rectifier 

Wire Transfer Hinge 

Switch 
 

EL (Fail Safe) 

EL (Fail Safe) 

Cyl. Lock 

Pocket 

3/8 Wire Raceway 

ETH Hinge Pocket 

 Bridge 

Rectifier 

 

Wire Transfer Hinge 

 Bridge 

Rectifier 

Plug 

3/8 Wire Raceway 

Cyl. Lock  

Pocket 

Cyl. Lock  

Pocket 

Cyl. Lock 

Pocket 

12VAC/DC 

24VAC/DC 

or 

Power
Supply

Bridge Rectifier 

Wire Transfer Hinge 

Switch 
 

EU (Fail Secure) 

EU (Fail Secure) 

12VAC/DC 

24VAC/DC 

or 

Power
Supply

Bridge Rectifier 

Wire Transfer Hinge 

Switch 
 

EL (Fail Safe) 

EL (Fail Safe) 

Cyl. Lock 

Pocket 

3/8 Wire Raceway 

ETH Hinge Pocket 

 Bridge 

Rectifier 

 

Wire Transfer Hinge 

 Bridge 

Rectifier 

Plug 

3/8 Wire Raceway 

Cyl. Lock  

Pocket 

Cyl. Lock  

Pocket 

Cyl. Lock 

Pocket 

12VAC/DC 

24VAC/DC 

or 

Power
Supply

Bridge Rectifier 

Wire Transfer Hinge 

Switch 
 

EU (Fail Secure) 

EU (Fail Secure) 

12VAC/DC 

24VAC/DC 

or 

Power
Supply

Bridge Rectifier 

Wire Transfer Hinge 

Switch 
 

EL (Fail Safe) 

EL (Fail Safe) 

Cyl. Lock 

Pocket 

3/8 Wire Raceway 

ETH Hinge Pocket 

 Bridge 

Rectifier 

 

Wire Transfer Hinge 

 Bridge 

Rectifier 

Plug 

3/8 Wire Raceway 

Cyl. Lock  

Pocket 

Cyl. Lock  

Pocket 

Cyl. Lock 

Pocket 

12VAC/DC 

24VAC/DC 

or 

Power
Supply

Bridge Rectifier 

Wire Transfer Hinge 

Switch 
 

EU (Fail Secure) 

EU (Fail Secure) 

12VAC/DC 

24VAC/DC 

or 

Power
Supply

Bridge Rectifier 

Wire Transfer Hinge 

Switch 
 

EL (Fail Safe) 

EL (Fail Safe) 

Cyl. Lock 

Pocket 

3/8 Wire Raceway 

ETH Hinge Pocket 

 Bridge 

Rectifier 

 

Wire Transfer Hinge 

 Bridge 

Rectifier 

Plug 

3/8 Wire Raceway 

Cyl. Lock  

Pocket 

Cyl. Lock  

Pocket 

Cyl. Lock 

Pocket 

#20269_A

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