Battery Operation.
Transformer Operation.
Transformer
input- 220 - 240v
output- 8v 1 amp
Byron model: 7770
is recommended
For battery operated bells, take twin bell wire from your bell push to termi-
nals 1 & 4, on the terminal block.
1. For exsisting installed
transformer operated bells, take
twin bell wire from your bell push
to terminal 3, on the terminal
block, and the other wire to your
transformer. Also take your bell
wire from the transformer to
terminal 2, on the terminal block.
1. Insert 4 x Size C (HP11, 1.5 volt) batteries in the battery pack provided.
(Alkaline batteries recommended) Take care to match the polarity of each bat-
tery.
2. Take the twin bell wire from the bell push and connect to the two outer
terminals of the terminal block provided. (Terminals 1 & 4 printed on the cir-
cuit board). When the bell wire has been connected, slide the block onto the
pins of the circuit board.
3. Connect the battery pack to the fly lead coming from the circuit board.
4. Test by pressing your bell push.
5. Replace the connected bell in position (see mounting your bell).
6. Test again.
N.B. Please ensure you are using an 8 volt, 1 amp transformer.
2. Test by pressing your bell push.
3. Replace the connected bell in position (see mounting your bell).
4. Test again
Mounting your bell.
1. Fix the top brass bracket to the rear of the bell case with the 2 small
screws provided.
2. Using the template provided, drill 2 holes for the large brass screws to
secure onto the keyhole plate fixed to the back of your bell. When tightening
these screws, allow the head of the screw to be proud of the wall by about
10mm (1/2 inch). Do not fix the bell to the wall yet.
Use this template to drill for the
keyhole plate.
44mm (1
3/
4 inch
)
New Installation
Existing Installation
1. For new installed transformer
operated bells, take twin bell wire
from your bell push to terminals
3 & 4, on the terminal block. Also
take twin bell wire from the
transformer to terminals 2 & 4,
on the terminal block.
Transformer
input- 220 - 240v
output- 8v 1 amp
Byron model: 7770
is recommended
