Huawei NetCol5000-A021 User Manual page 92

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
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Procedure
Step 1 Connect the RS485_OUT of the upstream sensor to RS485_IN of the downstream sensor, and
connect the T/H sensor outside the cabinet and the T/H sensor at the return air side in series,
Figure 3-57
Figure 3-57 Cables routed outside the cabinet
(1) Cold aisle side
Step 2 Set DIP switches of the T/H sensor,
Issue 03 (2020-01-10)
Fix cables to the T/H sensor using cable ties.
The T/H sensor is used to detect hot/cold aisle temperature. Determine the installation
position of the T/H sensor based on the site situation. You are recommended to deploy the
T/H sensor at a place where a heat point is most likely to appear in the hot or lack in cold
aisle.
shows cable connection of T/H sensors.
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The T/H sensor should be placed at a place 1.5 m to the ground, and fixed securely using cable ties.
 A maximum of three T/H sensors can be connected in hot and cold aisle respectively.
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(2) Hot aisle side
Table 3-15 lists how to set.
3 Installation Guide
84