6.3 Operating envelope
Devices can operate inside the operation ranges shown below.
Heating mode
Cooling mode
Applies to reversible models
10
20
30
40
50
60
70
-10
-5
0
5
10
15
20
25
30
T
e
m
p
.
o
f
o
u
tl
e
t
w
a
te
r
[
°
C
]
Temperature of heat source [
°
C]
0
10
20
30
0
10
20
30
40
50
O
u
tl
e
t
w
a
te
r
te
m
p
e
ra
tu
re
[
°
C
]
Air temperature [
°
C]