6 - Maintenance
37
High temperature version
Proceed as follows for the high temperature version.
❧
Inhibit any alarm signals on the central unit.
❧
Switch off the supply to the detector.
❧
Loosen the maintenance screw (Figure 20, "B") on the detector head cover
and remove it.
❧
Replace the defective detector head and replace the maintenance screw "B"
on the detector head cover. Disconnect the high temperature cable from
terminal block "A" on the detector head. Connect the high temperature cable to
terminal block "A".
048
Figure 22 : OLC100HT – elements specific to changing the high temperature sensor.
Screw the detector head back on again and tighten the locking screws.
❧
Re-establish the supply to the detector from the central unit.
❧
Adjust the settings for the new detector (see 0, on page 22).
❧
Close the detector cover.
❧
Reset any alarm signals on the central unit .