Amesbury P3000 Series Multipoint lock is different than most others. Sometimes referred to as a Babysitter style.

Lock Specifications:
Faceplate Width: 3/4 inch ( 20mm)
Lock Backset: 2-3/8 inch (60mm)
Deadbolt Throw: 1 inch ( 25.4mm )
Door Panel Height: 77-1/4 inch
Normal Handle Height: 36 inch (914.4mm)
Upper Hook Position: 32-9/16 inch (827.278mm)  32.57 inch
Lower Hook Position: 25-15/16 inch  (657.86mm)  25.90 inch
Markings: Upper Faceplate: UF32701,  Lower Faceplate: LF32701

To Change Handing / Latch Reversal:
1. Extend Deadbolt and pull spring latch out
2. Rotate to correct position
3. Check function of lock before closing door

How To Operate P3000 Lock - This is a different design than most Multipoint Locks
1. To Lock Door: Throw the deadbolt, then lift handle to engage the Auxiliary locks
2. To Unlock Door: Retract deadbolt and push lever down to open

Can replace just the gear box / lock case if top/bottom hooks are not damaged:

P3000-60DB - Deadbolt Gear Box / Lock Case 60/92
P3000-60LT - Spring Latch Gear Box / Lock Case 60/92