Replacing The Return Air And Supply Air Temperature Sensor - Huawei NetCol5000-A020 User Manual

NetCol5000-A020 Air Cooled In-row Precision Air
Conditioner
User Manual
Step 8 Check whether cables are connected properly by referring to
and
Step 9 Power on the equipment and check whether the equipment runs properly.
Step 10 Install the air filters and rear door if no problem is found.
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Example
To replace the main control board inside the electrical control box, perform operations as
follows:
1.
2.
3.
4.
5.
5.6.8 Replacing the Return Air and Supply Air Temperature
Sensor
Prerequisites
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Context
Figure 5-13
sensors. This section uses replacing the air exhaust temperature sensor as an example, because
operations for replacing air inlet and exhaust temperature sensors are similar.
Issue 01 (2014-06-30)
E Schematic Diagram of the Main Control
Disconnect cables to the main control board by referring to
Main Control Board.
Remove screws securing the main control board, and take out the main control board.
Set DIP switches on the new main control board by referring
Networking and Monitoring.(Ensure that the DIP switches are set the same as before.)
Install the main control board and connect cables.
Check that cables are connected properly by referring to
Main Control Board.
Recommended tools: diagonal pliers, cable ties.
The temperature sensor needs to be replaced.
A spare and functional temperature sensor is available.
and Figure 5-14
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Board.
show the probe position of the return air and exhaust temperature
5 System Operation and Maintenance
D Electrical Schematic Diagram
E Schematic Diagram of the
to3.8.5 Teamwork
E Schematic Diagram of the
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