AIR-COOLED LIQUID CHILLERS 30XAS 242-482
Operating limits
°C
Minimum
Maximum
Evaporator water flow rate (l/s)
Water entering temperature at start-up
-
45*
30XAS
Minimum
Maximum*
Water entering temperature during operation
6.8
21
242
3.2
30.7
Water leaving temperature during operation
3.3
15
282
3.7
30.7
342
4.4
30.7
442
5.8
41.0
482
6.5
41.0
Note: If the leaving water tem perature is below 4°C, a glycol/water solution or the frost
protection option must be used.
Condenser air temperature
°C
Minimum
Maximum
-20
68
Standard unit
-10
55**
With option 28: winter operation
-20
55**
With option 119: high energy efficiency***
-10
55****
*
Storage
The maximum water flow rate corresponds to a pressure drop of 100 kPa.
COOLING
Evaporator water temperature
Operation:
Note: If the air temperature is below 0°C, a glycol/water solution or the frost protection
option must be used.
*
**
***
****
Based on the installation type and the air temperature
Part load, based on the water temperature
Recommended for operation above 46°C
Part-load operation
Operating range
HEATING HEATING
30XAS high energy efficiency unit or option 119
AIR TREATMENT
Air entering temperature, °C
Air entering temperature, °C
30XAS standard unit
Evaporator leaving water temperature, °C
Evaporator leaving water temperature, °C
Legend
Operating range, unirt equipped with option 28 "Winter operation"
Below 0°C air temperature the unit must either be equipped with the evaporator frost protection option (41A or 41B), or the water loop must be protected against frost by using a
frost protection solution (by the installer).
Part load average
CONTROLS
C
A
R
R
I
E
R
2
0
1
6
/
2
0
1
7
167