Byron SX-222 Installation and Operation Instruction

Push Button

• Open up the push button by pushing in the tab at the
bottom of the push with a small flat screwdriver.

• Remove the isolation strip from the battery
compartment then it is ready to use.

• When replacing the battery, ensure the battery polarity
matches the internal markings (“+” facing upwards),
then press the battery down so that it is sitting firmly
in its compartment.

Door Chime

• Slide open the battery compartment.

• Insert 4 x 1.5volt alkaline batteries (“C”, UM2 & R14

- not included) into the battery compartment, ensuring
the battery polarity matches the internal markings.

• Close the battery door then it is ready to use.

Digital Code Set Up

• Press the Push Button once, a new operation code is
generated randomly and sent to the Door Chime unit.

• The Door Chime will sound to indicate that a new
operation code is registered and memorised.

Push Button Installation

• Using the holes on the back of push button as a
template, mark the fixing position for the unit.

• Drill holes and fit wall plugs and secure the push button
unit to the wall with screws.

• Do not mount it on any metal surface or UPVC door
frame.

Operation

• Press the button on the Push Button unit once, it sends
a wireless signal to the Door Chime and your Door
Chime unit will sound.

• Operate the Door Chime unit within the operation range,
test it before final installation.

Melody Selection

Press the melody selector once to select a melody as
your door chime sound. There is a total of 8 melodies
for selection:

1) Tubular 3-notes

2) Big Ben

3) Tubular 2-notes

4) Solo
Additional Byron “SX” range products can be purchased
for compatibility.

5) Tubular Scare

6) Clarinet

7) Saxophone

8) Morning Dew

Door Chime Installation

• Drill a hole, fit a wall plug and screw.

• Leave a gap of 3mm between the screw head and wall.

• Locate the keyhole slot on the back of the chime unit
over the screw.

Volume

3mm

CR2032 3V
Lithium Battery

Remove
Isolation
Strip

Wire Free Wall Mounted Door Chime Kit SX-222

Wire Free Wall Mounted Door Chime Kit SX-222

300m

1 2 3

4

5

6 7

Push Button unit

Power: 1 x 3volt Lithium battery (CR2032 - included)

Door Chime unit

Power: 4 x 1.5volt alkaline batteries (“C”, UM2 & R14 - not included)

Melody Selection

There are 8-melodies for selection -

1) Tubular 3-notes

2) Big Ben

3) Tubular 2-notes

4) Solo

5) Tubular Scare

6) Clarinet

7) Saxophone

8) Morning Dew
Additional Byron “SX” range products can be purchased for compatibility.

Digital Code Set Up
The Door Chime kit is equipped with an advanced random and self-learning operation coding ability
therefore no setting is needed. Read following instruction before use. The Door Chime kit is
equipped with an advanced random and self-learning operation coding ability therefore no setting
is needed. Read the following instructions before use.

1. First time operation:
After battery installation on the Push Button and Door Chime units, press the Push Button once
and it will generate a new operation code randomly and send a wireless signal to the Door Chime
unit. The door chime unit will sound to indicate that new operation code is registered and
memorised.

2. Interference from a similar unit operating nearby:
a) Simply remove the batteries from the Push Button and Door Chime units and rest for 10

seconds, this will erase the memory.

b) Insert the batteries into the Push Button and the Door Chime units, the door chime unit will

give 2-beeps to indicate that it is ready for the new code registration. Press the Push Button
once, it will generate a new operation code randomly and send a wireless signal to the Door
Chime and it will sound to indicate that new operation code is registered and memorised.

3. Front and back door Bell Push operation:
a) Remove the batteries from the Push Buttons (Front & Back Door) and Door Chime units and

rest for 10 seconds, it will erase the memory.

b) Insert the batteries into the Push Buttons and Door Chime units; the door chime unit will give

2-beeps to indicate that it is ready for the new code registration.

c) Press the front door Push Button once, it will generate a new operation code randomly and

send a wireless signal to the door chime unit and it will sound to indicate that a new operation
code is registered and memorised.

d) After, (within 2 minutes) press the back door Push Button once, it will generate a new

operation code randomly and send a wireless signal to the door chime unit and it will sound to
indicate that new operation code is registered and memorised. The door chime unit has the
ability to memorise both operation codes.

e) Test to ensure correct operation before final installation.

Byron No.SX222 Size: A4 Date: 11 Oct 2007

8

Volume

Melody Selector

Adjust the volume

Use a small flat screwdriver to adjust the sound volume.

Signal Sent Indicator Light

Volume

Important

1. Do not mount either unit close to fireplace or expose to high temperatures.

2. Do not expose the Door Chime unit to direct sunlight or moisture

3. Always use alkaline battery. Please dispose of old, defective batteries in an environmentally
friendly manner in accordance with the relevant legislation.

4. Make sure that no naked flame sources, such as lighted candles, should be placed on the unit.

5. The unit should not be exposed to dripping or splashing and no objects filled with liquids, such

as vases, should be placed on the unit.

6. CAUTION: Replace only with the same or equivalent type of battery that is recommended by the
manufacturer.

7. CAUTON: Make sure batteries are installed correctly as per the internal markings.

8. CAUTION: Danger of explosion if battery is incorrectly installed or replaced.

9. IMPORTANT: There are no serviceable parts in the units, do not attempt to repair it.

User Hints

If the door chime unit does not sound, please check the following:
a) Flat batteries in either Push Button or Door Chime units - change the batteries.
b) Wrong battery polarity in either Push Button or Door Chime units - re-insert the batteries.
c) Push Button and Door Chime units are not on the same operation codes - re-set the code (see

digital code set up).

d) Units are out of range - Operate the Chime unit within the operation range.

Specification

Operating Temperature: -10C - +40C
Operating Distance: 300metre (990ft approx. - in open field & at suitable condition)
Selectable Tone: Total Eight (8) melodies available
Selectable Digital Code: Total two hundred fifty six (256) possible digital codes

“Type R2 Device - device where the sound output is created by the initial operation of the control
and where the period of sound output continues for the designed duration irrespective of condition
of the control.”

433MHz

R&TTE

APPROVED

CH Byron Electrical United Kingdom. www.chbyron.com

CH Byron Electrical Ltd
Byron House
34 Sherwood Rd, Astonfield
Bromsgrove, B60 3DR
UK
Tel: [phone]
e: [e-mail]
w: www.chbyron.com