Apollo 58000-300APO Installation Manual

Discovery Carbon Monoxide (CO) Fire Detectors

General

This product is not a smoke detector or general purpose fire detector, neither is it a carbon monoxide
gas leakage alarm. Use only in accordance with the instructions given in PIN sheet PP2089,
available on request from Apollo Fire Detectors.

Siting

CO detectors should be sited using the recommendations for smoke detectors from BS5839: Part 1 (or
other applicable code).

Wiring

L1 should be connected to the negative line for compatibility with negative isolators and polarity sensitive
devices.
From control panel
Wiring diagram of Discovery loop with one remote indicator
This product is polarity sensitive (L1 is –ve and L2 is +ve). It is not electrically compatible with the
standard isolating base (45681-321) up to Build Standard 3A or the Discovery Test Set.
FIRE DETECTORS LIMITED
Installation Guide
R+ R+
R–
L1 L1
EARTH
R+
R–
L1
EARTH EARTH
R–
Loop return to
control panel