Carrier 50HC Series, Руководство по установке, Страница: 46 / 52

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Units equipped with factory-optional return air smoke detectors
require a relocation of the sensor module at unit installation. See
Fig. 63 for the as-shipped location.
Completing Return Air Smoke Sensor Installation
1. Unscrew the two screws holding the return air smoke detector
assembly. See Fig. 64, 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. 64, Step 2.
3. Screw the sensor and detector plate into its operating position
using screws from Step 1. See Fig. 64, 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.
CONTROLLER OPTIONS
Low Ambient
If the unit comes with Electro-Mechanical (EM) control, then no
adjustment is necessary.
If the unit comes with the PremierLink™,
Comfort Link, or RTU
Open control option, then refer to its installation control manual
for details on adjusting “Cooling Lock-Out” setting and configure
for the specific job requirements.
Fig. 63 — Return Air Smoke Detector,
Shipping Position
Fig. 64 — Completing Installation of Return Air Smoke Sensor
RETURN AIR
S MOKE DETECTOR
(A S S HIPPED)
S TEP 1 S TEP 2 S TEP 3