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A
III
NNEX
Floating setpoint working
The diagram and table below show the default value and the upper
and lower limits of the floating setpoint parameters on the evaporator.
Max, value
5°C
D2
0°C
Floating setpoint
Default value
Maximum value
(°C)
D1
(°C)
(a)
D2
(°C)
(a) rise in floating setpoint value for 10°C drop in ambient
Operation manual
19
Ambient
D1
Lower limit
Upper limit
3.0
0.0
20.0
20.0
43.0
5.0
0.0
10.0
A
IV
NNEX
Free cooling working
Free cooling on ambient temperature
free cooling state
Free cooling
SP
(°C)
5.0
DI
(°C)
Free cooling on difference between inlet water evaporator
temperature and ambient temperature
free cooling state
OFF
Free cooling
SP
(°C)
DI
(°C)
ON
OFF
ambient temperature
°C
SP
DI
default
minimum
5
-30
2
1
ON
inlet water evaporator temperature
°C
SP
minus ambient temperature
DI
default
minimum
5
1
2
1
Packaged air-cooled water chillers
maximum
25
5
maximum
20
5
EWAD120~340MBYNN
4PW22683-1
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