trouble:

Level in condense evaporator is decreased, but its pressure is still
increased

Cause:

1. Insulation material is packed not properly
2. Insulation material has moisture
3. **Span of V501 and V502 are too small, and valves are frosted.
4. Leakage of column

(V501 и V502 - клапаны)

Спасибо!