Installation Guide

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Application Form for Debugging Inverter VRF Air Conditioning Unit (Filled by
Installer)
4. Check air duct system before installation
a. Whether the installation of air duct system is designed by professionals Yes ( ) No ( )
b. Whether external residual pressure matched actual resistance of air duct Yes ( ) No ( )
c.
Whether air duct system is provided with static pressure box for air supply and
return
Yes ( ) No ( )
d. Whether air flow organization of indoor air supply and return is reasonable Yes ( ) No ( )
e. Whether air duct is insulated Yes ( ) No ( )
f. Whether air valve is reasonably set Yes ( ) No ( )
g. Whether return air inlet or IDU is equipped with clean filter Yes ( ) No ( )
h. Whether equipped with air return duct in the case of ceiling air return Yes ( ) No ( )
i. Whether there is fresh air device Yes ( ) No ( )
j.
Air supply and return mode: 1 bottom air supply and side air return; 2 side air
supply and side air return
Yes ( )
5. Check indoor condensate water system before installation
a. Pour water into drain pan to check whether condensate water
could be
discharged smoothly and whether there is leakage
Yes ( ) No ( )
b.
Check whether condensate water pipe is tightly sealed to prevent condensation
on the surface of pipe
Yes ( ) No ( )
c. Whether water trap is designed in accordance with the manual
attached to the
unit
Yes ( ) No ( )
6. Preparation before debugging
A.
Whether power voltage is in the normal range of the unit and whether the
three-phase balance is less than 2%
Yes ( ) No ( )
b. Ensure the power is not temporary Yes ( ) No ( )
d. Whether the clients and Party A's inspection experts are in place in time Yes ( ) No ( )
e.
Whether there are sufficient facilities (ladder and lifting table) to ensure normal
work of operators
Yes ( ) No ( )
f. Whether the unit is pre-heated for 24 hours before powering on for debugging Yes ( ) No ( )
7. Other circumstances
Date of requiring debugging: by ___MM_____DD___YYYY
Applicant (seal):
Signature: Date: