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(Optional) Connecting a Micro Differential Pressure Sensor
Procedure
- Secure the micro differential pressure sensor and the fasteners using M5 tapping screws, as shown in step 1 in Figure 4-36.
- Connect the pressure inlet tube.
- Connect a pressure inlet tube to the + mark and route it to the positive pressure area of the equipment room through the signal cable hole on the top of the unit. Ensure that the pressure inlet faces downwards.
- Connect a pressure inlet tube to the – mark and route it to the air return side on the top of the unit through the signal cable hole atop. Ensure that the pressure inlet faces downwards.
- Connect the micro differential pressure sensor cables to terminals 4, 5, and 6 of X502.
