2. Chilled Water version (CW)
1. Direct expansion version (DX)
off
100%
0%
0%
100%
on
on
on
on
on
R3
R2
R1
R1
cooling
set point
heating set
point
off
off
10°C
2°C
fixed diff. heating diff. cooling diff. fixed diff.
1,5°C 1,5°C 2°C
22,5°C 24°C 25,5°C 28°C 30°C
off
off
cold water valve
hot water valve
low temperature
alarm
on
off
high ambient
temperature
ambient
temperature
off
off
on
on
on
0%
100%
on
on
on
on
on
R3
R2
R1
R1
C1
C1
C2
cooling
set point
heating
set point
off
off
off
10°C
2°C
fixed diff. heating diff. cooling diff. fixed diff.
1,5°C 1,5°C 2°C
21,5°C 22,5°C 24°C 25,5°C 28°C 30°C
off
off
hot water valve
low temperature
alarm
on
off
high ambient
temperature
ambient
temperature