Midea R410A Full DC Inverter Split Type Series Technical Manual                         MCAC-UTSM-201406 
47 
1. Low noise compared with other air outlets. Applicable to tall buildings 
that require a long distance of air conditioning. 
2.  Select  the  ventilation  pipe  connection  caliber  according  to  the 
distance and the air speed. 
3. Applicable to store height of over 5m (for design of tall stores such as 
temple, consult manufacturer). 
1. Flanges and pipelines connected to the ventilation pipes. 
2. When the noise pipe is connected with the hose, the ventilation pipe 
tape must be applied (otherwise, with only adhesive tape, the adhesion 
will be weakened due to change of temperature). 
1. It is used to prevent glass wool leak and seal the gas at the time of 
the flanges and pipelines of the ventilation pipes. 
2. Entwine for over 3 circles. 
3.  Use  ventilation  pipe-specific  tapes  (instead  of  ordinary  adhesive 
tapes). 
In order to ensure the installation quality and durability, it is necessary 
to  use  the auxiliary  materials of  standard  specifications  provided  by 
manufacturer  electronics  and  the  auxiliary  products  of  the  specified 
manufacturers. 
 
8.  Trial Run 
  Please conduct in accordance with the nameplate of Trial Run Tenor on the electric control box. 
  Perform the trial run only after the outdoor unit has been powered on for over 12 hours. 
  Check whether all valves are opened before trial run. 
 Check the electric safety before trial run. 
  Do not perform compulsory operation in any way, because it is very dangerous if the protection 
device is not active. 
  Perform trial run only after all installations are finished. 
  Confirm the following issues before trial operation: 
  Install the remote controller holder as required by the user. The holder must be installed in a 
location suitable for transmitting the signals of the remote controller to the indoor unit.