37
20.4
AMBIENT AIR TEMPERATURE
The units are designed and manufactured to operate, in summer operation, with the condensate control, with outdoor air
temperatures ranging between -10°C and 46°C. While operating as a heat pump, the allowed range of the outdoor temperature
goes from -15°C (-25°C for versions with injection) to 40°C as a function of the water outlet temperature as indicated in the below
table.
Operation limits
Water chiller mode
Ambient temperature
Min.-10°C Max. +46°C
Water outlet temperature
Min. +5°C Max. +25°C
Heat pump mode
Ambient temperature (standard/injection version)
Min. -15/-25°C Max. +30°C
Water outlet temperature (standard/injection version)
Min. +25°C Max. +58°C/+59°C
Heat pump mode for sanitary hot water
Ambient temperature
(standard/injection version) Min. -15 / -25°C Max. +50/38°C
Ambient temperature with maximum water temperature 55°C (standard/injection version) Min. --9 / -10°C Max. +28/+30°C
Water outlet temperature (standard/injection version)
Min. +20°C Max. +58/59°C/+65°C
(*) With additional electric heater (not supplied)
Below the operation limits are reported, in the case of air conditioning and sanitary hot water production.
WATER CHILLER/HEAT PUMP MODES
DOMESTIC HOT WATER MODE
Ambient temperature [°C]
Wa
ter
tem
per
at
ur
e [
°C
]
Chiller mode (i-HP (LT))
Do
m
es
tic
h
ot
w
at
er
m
od
e (
i-H
P L
T)
Domestic hot water mode (i-HP (LT))
Heat pump mode (i-HP (LT))
He
at
pum
p m
ode
(i
-
HP
(L
T)
)
Ambient temperature [°C]
Wa
ter
tem
per
at
ur
e [
°C
]
