Pag. 6-EN UMT/WG T BT Rev3.0 – 08/10/2021
3 Unit description & Main components
Low temperature condensing unit is equipped with 2 BLDC compressors having the same size.
They work as in a booster system. One compressor is taking in charge the evaporation pressure control
for the low temperature refrigerated devices. The other one (PARALLEL) is controlling the pressure in the
receiver. No flash valve is installed in this unit.
The system operates at the following pressures:
Parallel Compressor discharge pressure (PGC) : operating between 45-105 bar.
Parallel Compressor suction pressure/Receiver pressure PREC : operating between 32-60 bar.
LT suction pressure : operating between 12-18 bar.
Compressor modulation range: 25 – 100 rps
Speed driver
LT compressor
Speed driver
PARALLEL
compressor
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