15
2
Equipment selection procedure
2-4. Operational temperature range
The unit will operate down to an outdoor temperature of -20 °C, however considerable performance decrease will be expected below -15 °C.
Therefore please consider installation location/surroundings and system design when expected to operate between -15 °C and -20 °C.
O
u
td
oo
r a
ir dr
y bu
lb
te
m
p
.
(°
C
)
Indoor air wet bulb temp. (°C)
Cooling
Indoor air dry bulb temp. (°C)
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td
o
o
r
a
ir we
t bu
lb
te
m
p
.
(°
C)
Heating
