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English
6.1 - recommended water diagram (fig. 12/13)
Typical water circuit diagram for unit 30AWH__X
(see fig 12)
Typical water circuit diagram for unit 30AWH__H
(see fig 13)
Do not use the heat pump to treat industrial process,
swimming pool or sanitary water.
In all these cases, provide an intermediate heat exchanger.
% Inhibited Ethylene
Glycol
10%
20%
30%
40%
Freezing
temperature(*)
-4 °C
-9 °C
-15 °C
-23 °C
Correction
Factors
Capacity
0.996
0.991
0.983
0.974
Absorbed power
0.990
0.978
0.964
1.008
Loss of head
1,003
1,010
1,020
1,033
(*) NOTE: Temperature values are indicative.
Always refer to the temperatures indicated for the speciic product used
tABle tO uSe FOr CAlCulAtiNG
WAter CONteNt iN tHe SyStem
installed unit
.............
unit content (*)
l
.............
Pipe content (**)
l
.............
uses (fan-coil, panels, radiators, etc.) (***)
l
.............
total content (****)
l
.............
(*) Consult the technical data table
(**) Consult the pipe water content table
(***) Consult the manual for the installed uses
(****) The water content of the system must be between the minimum and
maximum values for the units with hydronic kit and greater than the minimum
value for units without hydronic kit. The minimum value is necessary to provide
optimal comfort.
For units without hydronic kit, add a suitable expansion vessel to the water
content of the system.
Pipe water content
Internal diameter
outer diameter
liters / meter
Copper
12 mm
14 mm
0.11 l/m
14 mm
16 mm
0.15 l/m
16 mm
18 mm
0.20 l/m
20 mm
22 mm
0.31 l/m
25 mm
28 mm
0.49 l/m
32 mm
35 mm
0.80 l/m
Steel
‘‘12.7 mm (1/2’’)’’
3/8’’ Gas
0.13 l/m
‘‘16.3 mm (5/8’’)’’
1/2’’ Gas
0.21 l/m
‘‘21.7 mm (7/8’’)’’
3/4’’ Gas
0.37 l/m
‘‘27.4 mm (11/16’’)’’
1’ Gas
0.59 l/m
unit
30AWH
004_
006_
008_
012_
015_
nominal water flow
Std
l/s
0.20
0.28
0.33
0.58
0.69
Water content
system unit with
expansion vessel
Min
l
14
21
28
42
49
Max l
65
65
65
95
95
Working pressure
Max kPa 300
300
300
300
300
Filling pressure
Min
kPa 120
120
120
120
120
Diference in level
with unit at lowest
level
Max m
20
20
20
20
20