Bryant PURON 581J User Manual download pdf (Page 36)

Return Air

Sampling Tube

C08129

Fig. 59 -- Return Air Sampling Tube Location

Completing Installation of Return Air Smoke Sensor:

1. Unscrew the two screws holding the Return Air

Sensor detector plate. See Fig. 60. Save the screws.

2. Remove the Return Air Sensor and its detector plate.

3. Rotate the detector plate so the sensor is facing out-

wards and the sampling tube connection is on the bot-

tom. See Fig. 61.

4. Screw the sensor and detector plate into its operating

position using screws from Step 1. Make sure the

sampling tube connection is on the bottom and the ex-

haust tube is on the top. See Fig. 61.

5. Connect the flexible tube on the sampling inlet to the

sampling tube on the basepan.

Flexible

Exhaust Tubes

Screws

Sample Tube

C08126

Fig. 60 -- Return Air Detector Shipping Position

C08127

Fig. 61 -- Return Air Sensor Operating Position

Additional Application Data —

Refer to Catalog No. HKRNKA--1XA for discussions on

additional control features of these smoke detectors

including multiple unit coordination.

581J

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Bryant PURON 581J User Manual Page 36