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SDC / DHC
NOTE
EN2H-0221GE51 R0808
Humidistatic switch-off:
To prevent excessive humidity build-up in the room, a humidistat
can be connected to a variable input.
Cooling without humidistatic switch-off:
Output
DCP or
V
O1 or
V
O2
=25
Cooling with humidistatic switch-off:
Output
System
DCP or
para. 25
VO1 or
switch-on
VO2
temp.
=25
If the set humidity is exceeded, a short-circuit results. A triggered
humidistat interrupts cooling mode.
Active cooling does not affect the heat generator. Demand from
other heating circuits for the heating generator or hot-water
loading is served in parallel.
MC1
para. 28
cooling
System
temp.
para. 25
switch-on
MC2
temp.
para. 28
cooling
temp.
MC1
para. 28
cooling
temp.
MC2
para. 28
cooling
temp.
Hydraulic Components
Cooling
on /
off
Cooling
on /
off
Input
VI1 od.
Cooling
VI2 od.
on /
VI3
off
=29
179
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