Various Protections - Fujitsu AMUG24LMAS Service Manual

17. VARIOUS PROTECTIONS

1. DISCHARGE GAS TEMPERATURE OVERRIDE PREVENTION CONTROL
Discharge gas thermosensor (discharge thermistor : Outdoor side)
detects discharge gas temperature.
AOU24RGLX
AOU30RGLX
When discharge temperature exceeds 219.2˚F (104.0˚C),
compressor frequency is decreased 10rps,
and it continues to decrease 10 rps every 120 seconds
until temperature dips from 219.2˚F (104.0 ˚C)
When discharge temperature dips from 213.8˚F (101.0˚C),
control of compressor frequency is released.
When discharge temperature exceeds 230.0˚F (110.0˚C),
compressor stops and indoor unit LED starts blinking.
AOUG36LMAS1
AOUG48LMAS1
When discharge temperature exceeds 219.2˚ F (104.0 ˚C),
compressor frequency is decreased 30rps,
and it continues to decrease 30 rps every 120 seconds
until temperature dips from 219.2˚F (104.0˚C)
When discharge temperature dips from 213.8˚F (101.0˚C),
control of compressor frequency is released.
When discharge temperature exceeds 230.0˚F (110.0˚C),
compressor stops and indoor unit LED starts blinking.
04-31