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Referring to Figure 1 or 1b as the case may be (stand-alone or connected to an ISC/OLDHAM central unit):
§
Remove the protection cover and the display card to gain access to the connection terminals
§
Check that the main circuit is correctly programmed for the type of detector connected (see Figure 7)
§
Feed the cables into the cable glands
§
Connect the 2 active wires of the power supply (connectors J1 and J2): V+ and V-
§
Connect the transmitter to the earth via the external or internal earth terminals
§
Connect the wires for the functions used (4-20 mA, RS485, relays, etc.)
§
Refit the display circuit and protection cover correctly
§
Check that all cable glands and plugs are tight.
I
I
I
.
I
I
I
.
F
I
R
S
T
S
T
F
I
R
S
T
S
T
§
Check that connection and fastening have been carried out correctly,
§
Disable the alarms of the facility to prevent any unintentional triggering during the operation,
§
Switch on the power supply and leave to stabilise for 2 to 3 minutes,
§
During the first minute of warming up, the detector delivers a current of 2 mA,
§
Check the zero (4 mA) and response to the standard reference gas,
§
If necessary, adjust the zero and sensitivity,
§
Set the system to normal operation by deactivating the disable.
Note: The detector will now run an automatic cyclic self-test.
1
.
1
.
V
i
s
u
a
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f
V
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n
1.1.
At start-up:
§
Test of all digits and LEDs
§
Display of software version used
§
Stabilisation and test of measurement sensor
1.2.
During normal operation:
§
Measurement display
§
Display of type of gas and unit
§
Green LED flashes
§
Yellow LED off
1.3.
If a fault occurs:
§
Yellow LED flashes and error message displayed.
1.4.
Information accessible on the display via the remote control:
§
Date and time settings
§
Internal parameters used for maintenance,
§
Digital address(es),
§
Access code.
A
R
T
-
U
P
A
R
T
-
U
P
o
r
m
a
t
i
o
n
f
o
r
m
a
t
i
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n
O
N
/
O
F
F
O
N
/
O
F
F
IR receiver
(remote control)
13
FAULT
A
L
1
A
L
1
A
L
2
A
L
2
A
l
p
h
a
n
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m
e
r
i
c
a
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A
l
p
h
a
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m
e
r
i
c
a
l
d
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s
p
l
a
y
d
i
s
p
l
a
y
(units, gas, etc.)
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