5
3 - descriPTion oF comPonenTs
3.1 - chGF 20-24 / PhrF 23-27
2
1
5
4
7
5
18
11
8
6
12
15
17
9
14
16
13
3
10
1
- R 410 A air source heat exchanger.
2
- R 410 A water source heat exchanger.
3
- Axial fans.
4
- Water differential pressure switch.
5
- Automatic air bleeder valve.
6
- Expansion vessel.
7
- Buffer tank.
8
- Fill point.
9
- 4-way valve (PHRF).
10
- Pressure reducers.
11
- Safety valve.
12
- Liquid recovery device.
13
- Circulation pump.
14
- Compressor.
15
- Filter dryer.
16
- Low pressure switch and pressure tap.
17
- High pressure switch and pressure tap.
18
- Water pressure gauge.
