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The latch is spring loaded and will lock automatically when the door is closed. The latch bolt has a deadlocking plunger feature to prevent unlawful shimming of the latch. The lock has a slide button which can be used to hold open the latchbolt for free entry without operating the code (when the lock is not required to be operational).Function can be disabled on installation requiring code to be entered every time to open door.
Available in two PVD Finishes
Stainless Steel, Polished Brass
The CL255 locks are supplied with a random code commencing with the ‘C’ clear button. To change the code after fitting, the lock must first be removed from the door. The code is non sequential, that is the code can be entered in any order e.g. 1234 can be 4321 or 1342 or whatever is the most convenient sequence. With the 13 buttons a total of 8,191 different codes are available, any of which may be entered in any order.
|Body material||Zinc alloy|
|Door material||Suitable for wooden doors|
|Door thickness||35mm - 65mm (1 3/8" - 2 1/2")|
|Latches - Option 1||50mm (2") backset latch requiring 25 x 72mm (1" x2 7/8") hole|
|Latches - Option 2||60mm (2 3/8") backset latch requiring 25 x 82mm (1" x 3 1/4") hole (supplied by default)|
|Latches - Option 3||70mm (2 3/4") backset latch requiring 25 x 92 mm (1"x 3 5/16") hole|
|Non handed||Lock will fit doors hung on the left or right|
|Spindle type||Flat spring loaded spindle|
|Cl255 installation template|
|Number relating to picture||Item||CL255|
|2||Back plate (hold open models have a sliding snib)||*|
|3||Neoprene seals x 2||*|
|4||Spring loaded spindle||*|
|5||Latch (60mm backset)||*|
|7||Wood screws x 4 - use with latch and strike plate||*|
|8||Latch support post||*|
|10||Fixing bolts x 3 (1 x spare)||*|
|11||Code tumblers (2 x spare)||*|
You are advised to familiarise yourself with the instructions before starting work.
1. Check the hand of your doorYour door is right handed if, viewed from outside, the hinges are on the right.
2. Apply the template
3. Latch support post
If required the hold open feature can be disabled as follows: Remove fixing plate by removing the four fixing screws and blue handing screw.
Do not fit the blue handing screw.
5. Positioning the spindle
6. Fixing the lock
7. Fixing the strike plate
N.B. The plunger beside the latchbolt deadlocks the latchbolt and protects it against manipulation. It must not enter the strike plate aperture when the door is closed.
The CL255 code chamber consist of 13 buttons from which the code is selected, and a ‘C’ button which is used to re-set the chamber after an incorrect entry, and which must always be used as the first digit of a code. Buttons may only be used once in a code. For example, 1212 is not possible.
A CL255 code, or combination, can be entered in any order or sequence; e.g. 1234 can be 4321 or 1342 or whatever sequence is most convenient to remember. With 13 buttons, a total of 8,191 different codes are available, any of which can be entered in any sequence.
Most people will set a code in the range of 4 to 7 digits, and the total number of codes in this range is 5,434.
The lock is factory set with a randomly selected 6 digit code starting with the C button. The code is not recorded by the factory. The code can be changed as often as required to any other 6 digit code. Every new code must start with the C button. Using the spare tumblers, one red and one blue, the code length can be changed to 5 or 7 digits. Shorter codes are possible, but 1 or 2 digit codes are not recommended.
1. Take your CL255 lock off the door by unscrewing the 2 bolts in the backplate.
2. Press the C button to reset the chamber and place the lock case on a flat surface with the buttons down.
3. Remove the 2 red screws and carefully lift off the code chamber plate. Check that all 14 springs are held in place on the plate.
4. Note that the red tipped code tumblers correspond in position to the existing code. The blue tipped non-code tumblers fill the other positions. The C tumbler is not coloured.
5. Hold the lock in your hand and depress the C button. Keeping the C button depressed use tweezers to re-position the tumblers to correspond with your new code. The square notches of ALL tumblers MUST face outwards, with the coloured tips ON TOP: see diagram below. Do not force the tumblers in.
N.B. Holding the C button depressed whilst removing or replacing the tumblers is essential to avoid damaging the internal mechanism. Do not attempt to reposition the C tumbler.
6. Replace the code chamber plate carefully with the 2 red screws.
7. Check the operation of the new code, and make a written note of it before re-installing the lock.
8. Insert the spindle, with the spring on the code side. On latchbolt locks, the spindle must engage the latch as diagram below.
No maintenance of the working parts is necessary. Do not oil. To maintain the finish the lock should be cleaned regularly with a soft cloth. A silicone spray or similar should be used to provide a protective film against grit and grime.