Det-tronics X3300 Protect-IR Multispectrum IR Flame Detector w Manuel d'utilisateur télécharger pdf (Page 15)

1. Disable any extinguishing equipment that is

connected to the unit.

2. Inspect the viewing windows for contamination and

clean as necessary. The detector is relatively

insensitive to airborne contaminants, however, thick

deposits of ice, dirt, or oil will reduce sensitivity.

(Refer to the “Maintenance” section for complete

information regarding cleaning of the detector

viewing window.)

3. Check input power to the unit.

4. If the fire system has a logging function, check the

fire panel log for status.

5. Turn off the input power to the detector and check

all wiring for continuity. Important: Disconnect

wiring at the detector before checking system

wiring for continuity.

6. If all wiring checks out and cleaning of the o

plate/window did not correct the fault condition,

check for high levels of background IR radiation by

covering the detector with the factory supplied

cover or aluminum foil. If the fault condition clears

within 6 minutes or less, extreme background IR is

present. Re-adjust the view of the detector away

from the IR source or relocate the detector.

If none of these actions corrects the problem, contact

the factory.

PERIODIC CHECKOUT PROCEDURE

Periodic testing is not required when the detector is

configured for automatic optical integrity testing. If the

X3300 is configured for manual o

operation, a

checkout of the system using the o

feature should be

performed on a regularly scheduled basis to ensure that

the system is operating properly. To test the system,

perform the “Manual o

Test” as described in the

“Startup Procedure” section of this manual.

MAINTENANCE

IMPORTANT

Periodic flamepath inspections are not

recommended since the product is not intended to

be serviced and provides proper ingress protection

to eliminate potential deterioration of the flamepaths.

WARNING

The detector contains no user serviceable

components and should never be opened.

To maintain maximum sensitivity, the viewing windows

of the X3300 must be kept relatively clean. Refer to the

procedure below for instructions.

CLEANING PROCEDURE

CAUTION

Disable any extinguishing equipment that is

connected to the unit to prevent unwanted

actuation.

To clean the window and o

plate, use Det-Tronics

window cleaner (part number 001680-001) and a soft

cloth or tissue and refer to the procedure below.

1. Disable any extinguishing equipment that is

connected to the unit.

2. Since the X3300 is less affected by contamination

than other detectors, removal of the o

plate is

needed only under extreme conditions. In addition,

it is not necessary to achieve perfect cleanliness,

because IR is not significantly absorbed by slight

films of oil and/or salt. If a fault condition is still

indicated after cleaning, remove and clean the o

plate using the procedure below.

3. Clean all three viewing windows and reflector

surfaces thoroughly using a clean cloth, cotton

swab or tissue and Det-Tronics window cleaning

solution. If a stronger solution is needed, isopropyl

alcohol may be used.

PLATE REMOVAL

1. Remove the o

plate from the detector by loosening

the o

plate knob.

2. Thoroughly clean the o

plate reflective surfaces,

holding it by its edges to avoid leaving fingerprints

on the inside reflective surface.

3. Re-install the o

plate. Ensure that the plate is flat

on the detector surface. Tighten the o

plate knob

securely (40 oz/inches).

NOTE

If the o

plate is removed, be sure to install the

original o

plate. o

plates are not interchangeable

and should not be mixed with o

plates from other

detectors.

NOTE

If corrosive contaminants in the atmosphere cause

the o

plate surface to deteriorate to the extent that

it is no longer possible to restore it to its original

condition, it must be replaced. Consult factory for

plate replacement procedure.

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Det-tronics X3300 Protect-IR Multispectrum IR Flame Detector w Manuel d'utilisateur Page 15

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