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Fläkt Woods
8666 GB 2010.06
Specifications are subject to alteration without notice
Installation and maintenance instructions
Control equipment
47
The following is a brief description of some of the most
common types of control, followed by instructions on
how to activate them. Note that functions can only be
activated if the air handling unit is configured for that
function. To activate the following functions after pur
-
chase please contact Fläkt Woods service.
Night purging (free cooling)
The night purging setting is used during the summer,
outside ordinary operating periods, in order to cool the
premises with cool outdoor air at night.
Function:
when both the room temperature and outdoor
temperature exceed the set threshold value and the dif-
ference between these threshold values exceeds the set
differential, the air handling unit is started in order to
cool the premises using fresh outdoor air. Coolers are
blocked. Outdoor sensors and room sensors are included.
Night heating
Night heating is used to prevent the premises from being
cooled at night outside normal operating times.
Function:
the air handling unit starts at full power from
the air heater if the room temperature drops below the
set value. If the unit is equipped with a mixing/return
air damper this is opened to reduce energy consumption,
while the outdoor air and exhaust air dampers remain
closed. Room sensors included.
Outdoor temperature compensation – Temp.
The setpoint temperature for supply air or indoor air can
be adjusted up or down depending on the outdoor tem-
perature. Comfort can be improved on both cold winter
days and hot summer days if the setpoints are set higher.
In the summer this increase will also save energy.
Outdoor temperature compensation – Flow
The air flow setpoint can be adjusted up or down depend
-
ing on the outdoor temperature, with the same aim as for
outdoor temperature compensation via the temperature.
Activating control functions
NOTE! When activating as follows, finish by restarting.
LOGIN 2000 → MAIN INDEX → CONFIGURATION
→ CONFIGURATION 2 → NIGHT PURGING
Condition:
Night purging can only be selected if there is
an outdoor air temperature sensor and a room or extract
air sensor.
Activating Unoccupied Heating Mode
LOGIN 2000 → MAIN INDEX → CONFIGURATION
→ CONFIGURATION 2 → UNOCCUPIED MODE
Condition:
The function can only be selected if there is a
room sensor or extract air sensor.
Activating Summer/Winter compensation –
Temperature
LOGIN 2000 → MAIN INDEX → CONFIGURATION
→ CONFIGURATION 2 → SUM-WINT COMP. TEMP.
Condition:
There must be an outdoor air temperature sensor.
Activating Fan compensation Outdoor
Temperature – Flow
LOGIN 2000 → MAIN INDEX → CONFIGURATION
→ CONFIGURATION 2 → FAN COMP.OUTDOOR TEMP.
Condition:
Outdoor air sensor activated.
Switch Pressure Control to Flow Control
LOGIN WITH 2000 → MAIN INDEX →
CONFIGURATION → CONFIGURATION 1
Then scroll down to functions and fan/control type.
Press OK and switch to flow control. Finish by scrolling
to the bottom of the menu and select restart, execute.
Done.
Summary of Contents for eq Controls
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