109
GENERAL INFORMATION
1.8
Operation limits
Minimum
Maximum
Water heat exchanger
Entering water temperature (at start-up)
7.5
(1)
30
°C
Leaving water temperature (in operation)
5
(2)
20
°C
Inlet/outlet temperature difference
3
10
K
Air-cooled standard exchanger
Inlet air temperature with full load
0
46
°C
Inlet air temperature with partial load
0
48
°C
Hydronic module
(3)
- Inlet air temperature
Without pump
0
-
°C
With Single or Double (LP or HP) pump option
0
-
°C
With Backup Tank option
0
-
°C
Note:
Do not exceed maximum operating temperature.
(1) For entering water temperature at start-up lower than 7.5°C contact the manufacturer.
(2) If leaving water temperature is lower than 5°C the use of the anti-freeze is mandatory.
(3) It defines the anti-freeze protection temperature of the hydronic components for use without glycol. In case of storage and trans-
port of NXC units, the min. and max. temperature limits are -20°C and +48°C. It is recommended to take these temperature values
into account in case of transport in containers.
NXC models
0
5
10
15
20
25
30
35
40
45
50
0
5
10
15
20
25
Full load
Minimum load
Ambient air temperature
(°C)
Evaporator water
outlet temperature (°C)
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