High ef
fi
ciency heat recovery unit with cooling circuit -
RHE
-
12
Selection, installation, use and maintenance manual
GB
Inlet air temperature variation (°C)
Conditions:
exhaust air 26°, 50% RH.
Outside air temperature (°C)
Fresh air temperature variations on the change of the
external air temperature
The following charts allow to determine
the variation of the temperature within
the room on the variation of the external
conditions. The variability of the air fl ows
is that allowed to guarantee that the
refrigerating circuit operates correctly.
Note:
T h e f o l l o w i n g d i a g r a m s a r e
representative for all sizes, but without
accessories.
Summer operation
Outside air temperature (°C)
ey
Conditions:
exhaust air 20°, 50% RH.
Winter operation
Inlet air temperature variation (°C)
15
10
5
0
-5
-10
-15
-15
-10
-5
0
5
10
15
20
25
3
2
0
1
-1
0
-2
-3
-4
24
26
28
30
32
34
36
38
40
N
OMIN
AL
FLO
W
RA
TE
N
OMIN
AL
FLO
W
RA
TE
F
LO
W
RA
TE
+10%
FLO
W
RA
TE
-10%
F
LO
W
RA
TE
+10%
FLO
W
RA
TE
-10%
