GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
41
NOTE:
Remove the grille on the top case when connecting an ODU to static pressure ventilating
duct; otherwise, the air volume, especially the unit operating performance will be affected. For
method 2, since drills are required on the top case, the powder coated protective layer on the top
case will be damaged. As a result, the anti-corrosion performance of the unit top case will be reduced.
Step 1 Step 2
Step 3 Step 4
3.3.6 When the effective area of air intake is less than 70% of the total air intake area
of all ODUs, an induced draft fan is also required. The total air input of induced draft
fan should be no less than 80% of the total supply air rate.
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