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EN/06.2019/G57 © STULZ GmbH – all rights reserved
C7000 INSTRUCTIONS fOR a/C UNITS
Emergency operation
If in an A/C unit every configured compressor has an alarm, emer-
gency operation is enabled. For CW units there is no emergeny
operation. During emergency operation the humidity limit values are
not relevant for the control.
The room temperature is controlled according to the following
principle:
If the temperature difference RT – OT is bigger than the adjusted
emergency hysteresis
➍, the air is cooled by controlling the opening
of the fresh air/exhaust air louver.
Otherwise the circulating air louver is completely opened and the
fresh air/exhaust air louver is completely closed. The fan then runs
with maximum speed. (see Fan speed table)
Circulating air
louver
Fresh air/
exhaust air
louver
Louver opening
according to
FC/EFC mode
RT – OT
OT
OT
OT
Louver opening
according to
FC/EFC mode
RT: Room air temperature
OT: Outside air temperature
eco emerhys 2.5
.../Values/ECOCOOL
Operate
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