Page 16 / 18 Ausgabe SIEMENS-E mHT 03 11 16
03_03_1_Microface_E_Betriebshandbuch_mHT_eng_031116.doc
HdE
HEATING DEADBAND
The value the heater shall start later. Means
the group of heaters is shifted with the
deadband value to lower temperature.
8 K
rt
3P. ACT. RUNTIME
Actuators are motors, that drive either the
freecooling damper or which drive chilled
water or freecooling valves. This parameter is
the information for the time necessary from
completely closed to completely open.
170 sec.
AoP
3P. ACT. MIN. OPENING
This parameter guaranties a permanent
opening of the selected percentage, as long
as the unit is in operation., even if the control
would like to close the 3P-actuator
completely.
0%
HU
HS
HUMIDIFIER MODEL
SUPPLY VOLTAGE
To be set according to the steam cylinder
mounted in the air conditioner. If an external
humidifier has to be controlled, this
parameter has to be set to EXT.
The voltage sets automatically after setting
the cylinder type.
EXT
Pro
STEAMRATE
When set to 100% the humidifier will produce
the nominal amount of steam. If set to a
lower value the humidifier will produce less
steam acc. to the setting. This is valid for
both operation modes: ON-OFF and
Proportional.
NO
PH
CONTROL
The control behaviour of the humidifier.
When set to ON-OFF the humidifier will start
at the left end of humidity proportional band
at its max. capacity (defined by steam rate)
and stop when the room humidity setpoint is
reached.
Otherwise the steam output will be
proportional to the deviation of return air
humidity from room humidity setpoint.
PROP
HUC
ACT.L HUMIDIFER CURRENT
Shows the actual measured current from the
steam cylinder.
0
Hud
DEADBAND
The value the humidifier shall start later.
Means the humidifier is shifted with the
deadband value to lower humidity.
0%
dEH
DEHUM. ENABLE
Enables / disables dehumidification
operation.
NOTE: Setting this parameter to Yes makes
the control looking for a Humitemp sensor. If
not present, a warning will occur.
NO: No dehumidification
YES: Dehum performed if required
STOP FC: (For direct FC units): Instead to
start the compressor for dehum, the damper
will be closed to avoid incoming outdoor
humidity.
YES
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