59
Multi-functional DC inverter air/water heat pump
GB
Heating frost protection
3.6
Commissioning
3.7
Before initial start
3.7.1
Frost protection when outdoor temperatures are below 0 °C
COP values r
educ
tion
Glycol concentration in heating water
3 %
5 %
8 %
Inspection of mechanical components
• Check the housing and the internal pipe system for any damages.
• Check if the heating-water circuit is filled and completely vented.
• Check if the fan can run smoothly.
Inspection of electrics
• Check if the power supply (voltage, frequency) complies with
the technical specifications on the type plate.
• Check all electrical connections for a firm seat and possible damages.
Inspection of pipe system
• Check all valves and the flow directions of the water.
• Check the unit inside and outside for any possible leaks.
• Check the insulation of all pipes.
0%
2%
4%
6%
8%
10%
0%
25%
50%
75%
100%
CO
P-
W
er
te
Ver
rin
ger
un
g
Konzentration von Glykol im Heizwasser
Zusammenhang von COP-Wert und Glykolkonzentration
-10 °C
-20 °C
-30 °C
-40 °C
-50 °C
