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–EIMHP01201-18_04EN - 8/24
2.2
Operating limits Air to Water operation
Cooling Mode:
Heating Mode:
The following options must be included according to the specific operating area:
Ref. area 1: standard unit
(no options are required to operate in this area)
Ref. area 2: standard unit - opt. 08 (Brine) (unit may not unload to minimum load)
Ref. area 3: standard unit - opt. 142 (High Ambient kit)
Note:
•
The above graph refers to the unit operating at full load. Unit may be able to operate outside the above envelope
with compressors unloading. Please contact factory for further details.
•
For operation with temperature at the outlet of the cold heat exchanger below +4°C, the unit must operate with
glycol mixture (ethylene or propylene glycol). The glycol percentage must be provided according to the minimum
ELWT needed.
•
The above graphic represents a guideline about the operating limits of the range. Please refer to the latest Chiller
Selection Software (CSS) for real operating limits working conditions for each size.
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
-10
-5
0
5
10
15
20
25
O
u
ts
id
e
Amb
ie
n
t
Te
mp
era
tu
re
[
°C]
Evaporator Leaving Water Temperature [°C]
25
30
35
40
45
50
55
60
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
Con
d
en
se
r
Leav
in
g
Wa
ter T
em
p
era
tu
re
[°
C]
Outside Ambient Temperature [°C]
