Completing Installation Of Return Air; Smoke Detector - Carrier 50FC 08-16 Series Service And Maintenance Instructions

Completing Installation of Return Air 

Smoke Detector

Use the following steps to complete the installation of the return
air smoke detector.
1. Unscrew the two screws holding the return air sensor detector
plate. See Fig. 46. Save the screws.
2. Remove the return air smoke sensor module and its detector
plate.
Fig. 46 — Return Air Smoke Detector
Shipping Position
Flexible Exhaust Tubes
Screws
Sample Tube
3. Rotate the detector plate so the sensor is facing outwards and
the sampling tube connection is on the bottom. See Fig. 47.
4. Screw the sensor and detector plate into its operating position
using screws from Step 1. Ensure the sampling tube connec-
tion is on the bottom and the exhaust tube is on the top.
Return Air Smoke Detector
(Operating Position Shown)
Fig. 47 — Return Air Smoke Detector
Operating Position
5. Connect the flexible tube on the sampling inlet to the sam-
pling tube on the basepan.
6. For units with an economizer, the sampling tube is inte-
grated into the economizer housing but connecting the
flexible tubing to the sampling tube is the same.
29
Controller
Module
Screws (2)
Sample Tube