frequency restriction protection

[annathefoodie.livejournal.com]

Frequency restriction protection of discharge temperature of inverter compressor
Frequency restriction protection  of compressor suction temperature

Это коды ошибок кондиционера, что за защита такая?

focused suppliers

[gleb.livejournal.com]

sourcing the components from focused suppliers, which ship finished boxed product to their main office

что за сапплаерсы такие? (и не отгугливается) Знает кто?