2.2  DHP-H Opti Pro
Dimensions and connections
The brine pipes can be connected on either the left or right-hand 
sides of the heat pump.
DHP-H, DHP-H Opti Pro and connections.Figure 6: 
Position  Name
1   Brine in, 28 Cu
2   Brine out, 28 Cu
3   Heating system supply line, 22 Cu: 4-10 kW, 28 Cu: 12-16 kW
4   Heating system return line, 22 Cu: 4-10 kW, 28 Cu: 12-16 kW
5   Expansion line, 22 Cu
6   Hot water line, 22 Brass
7   Cold water line, 22 Brass
8   Lead-in for supply, sensor and communication cables
9   Safety valve for temperature and pressure (mounted only on cer-
tain models, see chapter 6)