GREE Photovoltaic Direct-driven Inverter Multi VRF Units
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Anti-monsoon installation requirement for unit connecting exhaust duct
4. Considering snow in outdoor unit installation
5. During the installation of the ODU, induced and exhaust pipes must be connected. In addition, the
aperture opening rate of shutters must be at least 80%, and the angle between the shutters and the
horizontal plane should be less than 20°. Requirements for installing exhaust air duct are as follows:
(1) Basic requirement for connecting an ODU to static pressure ventilating duct
When an ODU needs to be connected to the static pressure ventilating duct, the ventilating duct
must be reasonably designed. The pressure loss caused by the ventilating duct must be calculated. In
addition, a proper type of ventilating duct is necessary. To connect he static pressure ventilating duct to
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