Det-Tronics X3300 Protect-IR Multispectrum IR Flame Detector - Manual (Page 17)

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 oi 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
oi 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
oi
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.
Oi PLATE REMOVAL
1. Remove the oi plate from the detector by loosening
the oi plate knob.
2. Thoroughly clean the oi plate reflective surfaces,
holding it by its edges to avoid leaving fingerprints
on the inside reflective surface.
3. Re-install the oi plate. Ensure that the plate is flat
on the detector surface. Tighten the oi plate knob
securely (40 oz/inches).
NOTE
If the oi plate is removed, be sure to install the
original oi plate. oi plates are not interchangeable
and should not be mixed with oi plates from other
detectors.
NOTE
If corrosive contaminants in the atmosphere cause
the
oi 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
oi plate replacement procedure.
15 95-8480