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The preparation for typically refers to the analog sensor base used in fire alarm systems (such as those from Panasonic or Schneider Electric ). Preparing this base for installation involves mounting, wiring, and optional mechanical locking. Preparation & Installation Steps
In the ICD-9 system, 3312X is a code used for Senile Degeneration of the Brain (often used in historical Finnish registry studies).
Once the base is wired and mounted, the detector (such as the 4301 photoelectric smoke detector or 4300 multi-detector ) is plugged into the base. Other Technical References The preparation for typically refers to the analog
If you are referring to a different "3312x," it may relate to:
The 3312x base is prepared for mechanical locking . If you need to prevent unauthorized removal of the detector: Drill a 2.5–2.7 mm hole (labeled Lsh ) in the base. Once the base is wired and mounted, the
Secure the base to the ceiling or a mounting box. The base is designed for indoor use in dry premises.
While the base itself is analog, you must write the programmed COM loop address on the address label provided. Secure the base to the ceiling or a mounting box
3312X is a Nickel-Chromium steel used for wear resistance. Preparation involves normalizing, heating to 1450°F , furnace cooling, then reheating to 1170°F followed by air cooling.