12 - COMPONENTS MANAGEMENT
12.1. Compressors
Compressor timing
Delay of the start-up of the outdoor fan with regard to the
indoor fan (t
0
=30s)
Delay of the start-up of the compressor with regard to the
outdoor fan (t
1
=10s)
t
0
+
t
1
Minimum operation time (t
2
=120s)
Minimum shut-down time (t
3
=180s)
Time between start-ups of the same compressor (t
4
=300s)
Time between start-ups of several compressors (t
5
=60s)
Rotation of the compressors
compressor 2
compressor 1
outdoor fan
t
1
t
3
t
2
t
4
t
5
indoor fan
t
0
Important:
12.2. Four-way valve
12.3. Electronic expansion valve
Condensation and evaporation control
12.4. Outdoor circuit fans
Types of fans
2-speed axial.
Electronic
Operating mode
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