25%-50%-75%-100%.And the motor of the screw compressor is star delta start.
2. Throttling Gear
According to the cooling capacity, the chiller will adopts capillary tubeorthermostatic expansion valve. The capillary tube will be made by us. And the expansion valve will be EmersonorDanfoss brand.
3. Control Panel
Normally, scroll chiller is equipped key control panel with LED display and screw chiller is controlled by touch screen (human-machine interface). You can choose Punp (usual), SiemensorMit