Carrier WeatherMaster 50HC14 Installation Instructions Manual page 61

Units equipped with factory-optional Return Air smoke
detectors require a relocation of the sensor module at unit in-
stallation. See Fig. 95 for the as shipped location.
Completing Installation of Return Air Smoke Sensor:
1. Unscrew the two screws holding the Return Air Smoke
Detector assembly. See Fig. 96, Step 1. Save the screws.
2. Turn the assembly 90 degrees and then rotate end to end.
Make sure that the elbow fitting is pointing down. See
Fig. 96, Step 2.
3. Screw the sensor and detector plate into its operating
position using screws from Step 1. See Fig. 96, Step 3.
4. Connect the flexible tube on the sampling inlet to the
sampling tube on the basepan.
ADDITIONAL APPLICATION DATA
Refer to the Application Data sheet titled 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.
STEP 1
Fig. 96 — Completing Installation of Return Air Smoke Sensor
RETURN AIR
SMOKE DETECTOR
(AS SHIPPED)
Fig. 95 — Return Air Smoke Detector, Shipping
STEP 2
61
Position
STEP 3