-
S
1 &
S
2.
These switches determine the
operation of special maintenance and test
functions.
To conduct these functions, select
the suitable combination with the switches
S
1
and
S
2
and press the internal button
BT
2
(
figure
3)
for more than 1 second
.
The function
«
output test
»
activates all the LEDs and the
alarm relay and deactivates the fault relay
while the button is being pressed
.
For the
calibration function, detailed instructions are
given later on in this manual.
-
S
3.
When the latching function is selected
t h e n w h e n t h e d e t e c t o r s e n s e s a g a s
concentration equal to or greater than
%
L
.
E
.
L
the alarm relay and the alarm led (red) remain
activated even if the concentration of
%
L
.
E
.
L
.
returns to normal levels.
The deactivate them,
an external button can be used.
-
S
4.
This operation refers to the special
operation calibration function with reference
gas. Via S4 select the concentration of gas
that will be used
(20%
or
50%
L
.
E
.
L
.)
S
5.
This setting refers to the concentration in
%
L
.
E
.
L
.
that must be detected in order to
activate the alarm relay,
the red led and the
zone output.
10%
or
20%
L
.
E
.
L can be
selected
.
After the selection is made, the
concentration of gas that is considered to be
normal is below
2.5%
L
.
E
.
L
.
from the selected
setting
,
that is below
7.5%
or
17.5%
L
.
E
.
L
.
respectively.
Figure
2
.
C
onnection
with f
ire detection panel Olympia Electronics
Z
1
2
4
M
Fire detection panel
Olympia Electronics
Terminal
resistor
8,2Κ
Figure
1.
Interior access, cable entry and indicators
To gain access to the interior remove
these 4 screws
Sensor head located downwards
Cable entry groumet
Operation, Alarm and Fault
Indicator
Capability to install a second
cable groumet.
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