18/52 User Instructions
CAIROX
15/12/2021
13
PARAMETERS OF THE HEATING MEDIUM
The water heat exchanger can be supplied with water or glycol solutions up to
60% . The heat exchanger tubes are made of copper. The heating medium should
not cause corrosion of this material. In particular, the parameters as below
should be provided.
Parameter
Value
pH
7,5-9,0
Pollution
Free of sediments/particles
Total hardness
[Ca2+,Mg2+]/ [HCO3-] > 0.5
Oil and grease
<1 mg/l
Oxygen
<0.1mg/l
HCO
ᵌ
60-300 mg/l
Ammonia
< 1.0 mg/l
Sulphides
< 0.05 mg/l
Chlorides, Cl
<100 mg/l
14
CONNECTION DIAGRAM SOLANO EASY PRO E
PIC. 14.1 Power supply 1N (~230V / 50 Hz) and 3N (~400V / 50 Hz) + S-C.