– The airflow speed is larger than 5 m/s.
– Heavy dust and spray are existing.
– Erosive gas may be generated.
– Smoke is stagnated even in normal conditions.
– Organic substances, such as alcohols, ether, and ketone, are generated.
l Before powering on the sensor, ensure the probe is connected correctly with the controller.
The red LED blinks properly after the sensor is powered on for 30s, with the blinking period
of 9s to 15s.
l Dust may be accumulated on the smoke sensor. Remove dust from the sensor periodically
to avoid error alarming.
Precautions
Before applying the probe, to protect it from being polluted, do not remove the dust-proof cover
on the probe.
Installation instructions
Use the auxiliary base when installing the smoke sensor.Figure 10-22 shows the auxiliary base
and Table 10-19 lists the specifications of the base. When connecting the probe to the controller,
use the 2-wire mode without polarity and use the cable connecting port as the input end.
Figure 10-22 Structure of the auxiliary base
Table 10-19 Dimensions of the smoke sensor base
Dimension
Specification
Outline (W x D x H) 75mm×51mm×5mm
Fixing hole 5mm×10mm
UA5000 Universal Access Unit
Environment Monitoring 10 Sensors
Issue 01 (2012-08-17) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
197
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