Sequential Start - Panasonic Urban Multi MX1R Series Service Manual

PACD011001C2
1.6

Sequential Start

Separates 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 should
however connect an outdoor unit of small capacity as the third unit in the sequence.
Method of
1. Power supply wiring

Sequential Start

Must be wired as a group to the power supply.
2. Wiring
Connect 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 setting
mode 1 and select sequential start. (Sequential start is factory set to "ON.") For transmission wiring, use
0.75 - 1.25 mm² sheathed vinyl cord or double-core cable.
Test Operation Urban Multi "MX1, ME1 Series" Using R-22
Test Operation
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