Maintenance, Warning, D-4 smoke detector – Lincoln Electric P709 GUARDIAN CONTROL SOLUTIONS User Manual
Page 67: Sliding valves, Aerosol
D-4
MAINTENANCE
D-4
SMOKE DETECTOR
The sensor will become contaminated over time. The
LED display (See Figure D.2, Item B) shows the cur-
rent degree of sensor contamination.
Contamination status of LED display:
• 0-69%: OK
• 70-98%: sensor needs to be replaced (LED display
flashes)
• 99%: system will enter into fire alarm phase
• During use, check the status of the LED display reg-
ularly.
• Replace the sensor when the contamination level has
reached 70%.
SLIDING VALVES
In order to function properly, the sliding valves must be
inspected regularly. See Figure D.3.
AEROSOL
The Flame Guardian™ must be inspected periodically
in accordance with the national fire protection associa-
tion requirements or the local authorities having juris-
diction. See Figure D.4.
NOTE: Place a label on the Flame Guardian™ stating
the installation date and testing date.
GUARDIAN CONTROL™ SOLUTIONS
FIGURE D.2
A
B
C
D
E
F
Poor maintenance will eventually
lead to the fire alarm being activated
incorrectly. Regular inspections are
necessary.
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WARNING
FIGURE D.3
Every 6
Months
Pneumatics
Check connections.
Component
Action
Frequency:
X
Electrical wiring
Check connections.
X
Bolts and nuts
Check for correct tightening.
X
FIGURE D.4
:
y
c
n
e
u
q
e
r
F
n
o
i
t
c
A
t
n
e
n
o
p
m
o
C
Every 12
Months
Every 10
Years
Metal holder
Check for damage, corrosion
and correct position.
X
Support bracket
Check for damage, corrosion
and correct position.
X
System wiring
connections and
circuit
Check proper wiring and
circuit.
X
Flame Guardian™
internal activation
Check internal activation;
See Flame Guardian™ Functional
Test in Installation Section.
X
Flame Guardian™
X
.
E
C
A
L
P
E
R