Yale Assure Lock 2 Plus User manual

P/N YRD450-N-MNL-0039 Rev A
Assure Lock 2 Plus
Key-Free YRD450N
Trusted Every Day
Download Yale Access App
Create an account if you don’t already have
one, and tap “Set Up a Device”.
Note: If you have an account with the August App, use the same username and
password for the Yale Access App.
Install and Set Up Your Lock
Follow the step-by-step Installation and Setup Guide in this manual, or
refer to the app installation guide with helpful videos.
Note: If you use the app, please tear off the Door Checker and the Marking
Template (pages 58) to use when prompted.
Use Your Lock
Operate your lock with your phone, issue permanent or temporary entry
codes and more. With home key, lock or unlock your lock with iPhone®
or Apple Watch®.
ISL222500102

P/N YRD450-N-MNL-0039 Rev A
All key-free locks should only be installed on homes with more than one point of entry.

3
P/N YRD450-N-MNL-0039 Rev A
Contents
In the Box 4
Door Checker 5
Marking Templates 7
Installation and Setup Guide 9
Remove Existing Deadbolt 10
Check Door Measurements 11
Make or Adjust Holes 12
Install Deadbolt Latch 13
Install Exterior Keypad 14
Install Mounting Plate 15
Attach Wire Cable to Interior Lock 16
Install Interior Lock 17
Test Thumbturn 18
Install Yale Smart Module (Optional) 19
Install DoorSense (Optional) 20
Install Batteries and Set Up with App 23
Set Up HomeKit and Home Key (iOS Only) 24
Set Up and Manage Entry Codes 25
Using Your Lock 26
Connecting to Your Lock 27
LED Alerts 28
Resetting Your Lock to Factory Defaults 29
Features 30
App Settings 31
Lock Operations Troubleshooting 33
Hardware Troubleshooting 35

4
P/N YRD450-N-MNL-0039 Rev A
In the Box
Lock Hardware
b.
c.
d.
e.
X 4
X 4
X 2
X 2
X 2
X 2
X 2
Add-Ons
123
5 76
4
UP
1. Exterior Keypad
2. Interior Lock
3. Strike Plate
4. Adjustable Deadbolt
5. Manual
6. Reset Pin
7. Mounting Plate
8. AA Batteries
9. Screws
a. Strike Plate and Deadbolt Screws
b. Teal Screw Set B
c. Black Screw Set C
d. Silver Screw Set D
e. Optional Security Strike Plate Screws
10. DoorSense
a. Housing
b. Cover
c. Mounting Tape
d. Screws
e. Flush Mount Cap
11. Smart Module
(Included with select models)
8
10 9
11
a. a.d.
e.b.
c.
AA

5
P/N YRD450-N-MNL-0039 Rev A
Tear Along the Dotted Line
Door Checker Part 1
Measure Clearance Measure Door Thickness Measure Backset
A. 2” minimum clearance between top
of the door knob and center of deadbolt
hole.
B. 13/8” door thickness; use teal
(shortest) screws.
C. 13/8” - 13/4” door thickness;
use black (medium) screws.
D. 13/4” - 21/4” door thickness;
use silver (longest) screws.
E. 23/8” backset, use out of box latch
setting.
F. 23/4” backset, adjust latch setting
(Step 2, point 1 of this manual).
Greater than A B, C or D Equals E or F
Less than A Less than B or
greater than D
Doesn’t equal E or F
(Your door is not a match)
(Your door is not a match)
(Your door is not a match)
10 2 3 4 5
6
Door Checker Part 1
v
B A D
C E
v
v
See Reverse for Part 2
1/8 1/8 1/8 1/8 1/83/8 3/8 3/8 3/8 3/85/8 5/8 5/8 5/8 5/87/8 7/8 7/8 7/8 7/8
1/4 1/4 1/4 1/4 1/4
1/2
10 2 3 4 5
1/2 1/2 1/2 1/2
3/4 3/4 3/4 3/4 3/4
B A E
DC F
If printed from electronic file, Measure
ruler to check scale. Set print scale to 1:1.

6
P/N YRD450-N-MNL-0039 Rev A
Tear Along the Dotted Line
Door Checker Part 2 See Reverse for Part 1
Measure Face Bore
Equals G or H
Less than G Less than I
G. 11/2” face bore diameter.
H. 21/8” face bore diameter.
Measure Edge Bore and Strike Pocket
I. 1” edge bore diameter;
1” strike pocket diameter and depth.
Equals I
Greater than IGreater than H
(Adjust diameter to G or H) (Adjust diameter to I)
(Your door is not a match)(Your door is not a match)
(Edge Bore)Door (Strike Pocket) Frame
Diameter Depth
Minimum strike pocket depth is 1”.
HI G
1/8 1/8 1/8 1/8 1/83/8 3/8 3/8 3/8 3/85/8 5/8 5/8 5/8 5/87/8 7/8 7/8 7/8 7/8
1/4 1/4 1/4 1/4 1/4
1/2
10 2 3 4 5
1/2 1/2 1/2 1/2
3/4 3/4 3/4 3/4 3/4
If printed from electronic file, Measure
ruler to check scale. Set print scale to 1:1.

7
P/N YRD450-N-MNL-0039 Rev A
Tear Along the Dotted Line
Marking Template for 21/8” (54mm) Face Bore
Center of
1” (25mm)
Edge Bore
Center of
1” (25mm)
Edge Bore
Centerline
Center of
21/8” (54mm)
Face Bore
Center of
21/8” (54mm)
Face Bore
I H
13/8” (35mm)
Door Thickness
B23/8” (60mm)
Backset
E
13/4” (44.5mm)
Door Thickness
C23/4” (70mm)
Backset
F
21/8”
If printed from electronic file, Measure
ruler to check scale. Set print scale to 1:1.

8
P/N YRD450-N-MNL-0039 Rev A
Marking Template for 11/2” (38mm) Face Bore
Center of
1” (25mm)
Edge Bore
Center of
1” (25mm)
Edge Bore
Centerline
Center of
11/2” (38mm)
Face Bore
Center of
11/2” (38mm)
Face Bore
11/2”
I G
13/8” (35mm)
Door Thickness
B23/8” (60mm)
Backset
E
13/4” (44.5mm)
Door Thickness
C23/4” (70mm)
Backset
F
Tear Along the Dotted Line
If printed from electronic file, Measure
ruler to check scale. Set print scale to 1:1.

9
P/N YRD450-N-MNL-0039 Rev A
Required Tools You Might Also Need
Failure to follow the Installation Guide precisely could result in damage to the product,
voiding the factory warranty, and could lead to failure of the product to provide access.
1. Phillips Head Screwdriver
2. Door Checker
(tear off pages 56 of this manual)
3. Tape Measure
4. Drill
5. Marking Template
(tear off pages 78 of this manual)
6. Pencil
7. Wood Mortise Chisel
8. Utility Knife
9. Level
10 2 3 4 5 6
Door Checker Part 1
v
B A D
C E
1 3
5
8
7
9
6
4
2
Installation and Setup Guide

10
P/N YRD450-N-MNL-0039 Rev A
Frame Door
Keep your old deadbolt until your new lock has been successfully installed.
1a Remove Existing Deadbolt
If you have a new door, please proceed to step 1b.
If you have a deadbolt on your door, use the diagram to help you remove it.