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FusionCol8000-E400 Modular Indirect Evaporative
Cooling System
User Manual
Figure 4-34 Routing a cable for a T/H sensor outside the cabinet
(1) RS485/12 V port on the main control
module
Step 2 Connect other T/H sensors outside the unit in series to the port of the T/H sensor.
Figure 4-35 Connecting T/H sensors in series
Step 3 Set DIP switches of the T/H sensors.
Issue 04 (2022-06-30)
NO TE
● Each unit supports a maximum of twelve T/H sensors outside the unit, including a
maximum of six cold aisle T/H sensors and six hot aisle T/H sensors.
● It is recommended that the total length of the cable required for the T/H sensors
outside the unit be less than or equal to 150 m. If the cable length is greater than 120
m, obtain 12 V DC power from the site to supply power to the T/H sensors that are 120
m or further away from the cabinet. Ensure that the input voltage of each T/H sensor
ranges from 9 V to 16 V.
Copyright © Huawei Technologies Co., Ltd.
4 System Installation
(2) Connecting the T/H sensor outside the unit
64
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