FusionModule2000 Smart Modular Data Center 
Installation Guide 
15 Installing Monitoring Devices 
 
Huawei Proprietary and Confidential                                     
Copyright © Huawei Technologies Co., Ltd. 
 
 
Return-air control by an air conditioner: The air conditioner controls the temperature at 
its rear door so that the temperature is close to the temperature set on the air conditioner. 
 
Cold aisle control by an air conditioner: The air conditioner controls the temperature at 
front doors of IT cabinets so that the temperature is close to the temperature set on the air 
conditioner. 
 
Hot aisle control by an air conditioner: The air conditioner controls the temperature at 
rear doors of IT cabinets so that the temperature is close to the temperature set on the air 
conditioner. 
Context 
If the air conditioner implements cold aisle control, install the temperature and humidity 
sensor on the front door frame of the IT cabinet. If the air conditioner implements hot aisle 
control, install the temperature and humidity sensor on the rear door frame of the IT cabinet. 
Preparations 
Tool: Phillips screwdriver 
Materials: temperature and humidity sensor, temperature and humidity sensor base 
Document: temperature and humidity sensor installation position diagram 
Procedure 
Step 1  Use M5x10 tapping screws to secure the temperature and humidity sensor base to the 33 U 
position of the IT cabinet door frame. 
 
The temperature and humidity sensor can be installed between the 33 U and 40 U positions based on site 
requirements. 
Step 2  Mount the temperature and humidity sensor onto the base.