Sequential Start - Panasonic Urban Multi MX1R Series Service Manual

PACD011001C2
1.8

Sequential Start

„ Separates path timing of commercial power supply compressors by 3 seconds each in order to prevent
„ Wiring system enables sequential start of up to 10 outdoor units.
If you want to carry out sequential start, connect outdoor unit - outdoor unit transmission wiring as shown
below.
The outdoor unit PC board (EC) is factory set to "sequential start ON."
Power supply
Master
(System 8) (System 7) (System 6)
Power supply
In the case of power supply in the same line
(8. 10HP outdoor unit)
Test Operation UM Combination "MA1R Series" Using R-407C
overcurrent when more than 1 compressor are to be started at the same time.
(System 1)
Sub
(System 5)
Power supply
Power supply
(System 2)
Master
(System 4) (System 3)
Power supply Power supply
Test Operation
Sub
(VL123)
MA1R Series
MX1R Series
471