PGT Active Concealed Multi-point lock Rod Version, 60mm, No Faceplate
This mortise lock is used exclusively on PGT Doors and has 5/16-18 Coupling Thread:

To Replace lock the stile needs to be removed.

Type: Active Door Lock
Version: Concealed Rod / Shootbolts
Backset: 2-3/8 inch (60mm)
Faceplate Attached: NO, Mounting plate has Radius corners
Faceplate Width: N/A
Faceplate Length: N/A
Standoff: Short, 3/8 Thick Plastic
Coupling Thread: 5/16-18 ( silver Color )

How to Operate Lock:
1. Lift handle to Extend vertical shootbolt rods
2. Turn Key or Thumbturn to extend deadbolt and secure rods in locked position
3. Reverse process to unlock door.

Operation of Lock: Baby Sitter function
This lock can be used in 2 different ways
1. When the door is closed the deadbolt can be thrown without lifting the door lever and used as a standard deadbolt lock.
When the handle is lifted the shootbolts will extend and will not retract until after the deadbolt is unlocked.
It is not necessary to use the locking rods unless desired
2. The lever can be lifted to engage the concealed rods and then throw the deadbolt.
to unlock door, retract deadbolt with key or Thumb turn, then push down on lever to retract rods and open door.

Change Handing:
1. Insert screw driver into slot behind latch
2. Pull down on handing release, latch pops out
3. Rotate latch and push back into lock case
Always Check Function of lock before closing door

 
How to Rehand an Ashland Multipoint Lock (Marvin Doors)
 
Rehanding Ashland Multipoint Locks