20
®
EVAPORATOR PRESSURE DROPS (WATER SIDE)
The unit is not available with pressure drops lower than 20kPa.
Water/Aeraulic Connections
EVAPORATOR ANTIFREEZE SOLUTIONS
The correction factors are referred to the water/glycol solution used in order to prevent ice forming in the heat exchanger (water side)
during the seasonal stop.
% ETHYLENE GLYCOL BY WEIGHT
10% 20% 30% 40%
Freezing point °C -3.9 -8.9 -15.6 -23.4
Safety temperature °C 1 -4 -10 -19
Cooling capacity - 0.990 0.981 0.974 0.968
Compr.input power - 0.993 0.988 0.984 0.981
Evaporator glycol solution flow - 1.010 1.033 1.072 1.124
Pressure drop - 1.060 1.118 1.182 1.243
PUMP PERFORMANCE RELATED TO THE EFFECTIVE PLANT HEAD
Pump Type FLA (A) LRA (A) FLI (KW)
PUMP 1 3,1 14.6 1,1
PUMP 2 3.8 19.0 1.5
PUMP 3 5.0 24.8 1.9
PUMP 4 4.9 33.8 2.2
PUMP 5 6.5 44.2 3.0
PUMP 6 8.5 63.8 4.0
If the unit is not supplied with a pumping station, follow what outlined in the picture for the passage of the water inlet and outlet tubes.
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