Si-95 Test OperationTest Operation Inverter K Series 511.4 Sequential StartSeparates the start timing for standard compressors by three seconds each in order to prevent over-current when several compressors are to be started simultaneously.Sequential start is possible for up to three units wired as a group to a single power supply. You shouldhowever connect an outdoor unit of small capacity as the third unit in the sequence.Method ofSequential Start1. Power supply wiringMust be wired as a group to the power supply.2. WiringConnect transmission wiring to terminals F1 and F2 (outdoor - outdoor) on the outdoor unit PC board(A1P). Switch to the monitoring mode and see if sequential start has been selected. If not, switch to settingmode 1 and select sequential start. (Sequential start is factory set to “ON.”) For transmission wiring, use0.75 - 1.25 mm 2 sheathed vinyl cord or double-core cable.SI-95.BOOK Page 51 Friday, March 31, 2000 10:59 AM
