52
2. Turn the assembly 90 degrees and then rotate end to end.
Make sure that the elbow fitting is pointing down. See
Fig. 71, Step 2.
3. Screw the sensor and detector plate into its operating position
using screws from Step 1. See Fig. 71, Step 3.
4. Connect the flexible tube on the sampling inlet to the sam-
pling tube on the basepan.
ADDITIONAL APPLICATION DATA
Refer to the application data document “Factory Installed Smoke
Detectors for Small and Medium Rooftop Units 2 to 25 Tons” for
discussions on additional control features of these smoke detectors
including multiple unit coordination.
Fig. 70 — Return Air Smoke Detector,
Shipping Position
Fig. 71 — Completing Installation of Return Air Smoke Sensor
RETURN AIR
SMOKE DETECTOR
(AS SHIPPED)
STEP 1 STEP 2 STEP 3
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