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© Munters AB, 2015
112
10.6.1
U
SING
T
IME TO
C
ALIBRATE
Enter the number of seconds to open and close from limit to limit for each of the Vents and Curtains in
your installation. The Farm Premium then calculates the percentage of open and closed time and adjusts
the static pressure methods accordingly.
•
Set full open/full close time (in seconds) for Curtains, Tunnel, 1
st
& 2
nd
Vent, and Attic Vent.
•
Default is set at 60 seconds.
•
Munters recommends setting the
to maintain an accurate position.
NOTE:
The
~
symbol designates an analog output device.
10.6.2
U
SING A
P
OTENTIOMETER TO
C
ALIBRATE
Each curtain/vent/inlet can be mapped to a potentiometer. Potentiometer feedback enables
precise positioning on each specific device opening value. In this screen, assign a potentiometer to
a device.
1. Map the analog sensors as potentiometers as required (Analog Sensors, page 109)
2. Map the curtain/vent/tunnel/inlet to a potentiometer in this screen.
NOTE:
The number of the devices that you can map equals the number of potentiometer relays.
NOTE:
The
~
symbol designates an analog output device.
3. Calibrate the potentiometer (Ventilation Potentiometer Calibration, page 98).
NOTE:
After calibrating the potentiometer, the times shown here change to reflect the calibration
process.
In the event that the potentiometer fails (meaning there is no value change during the curtains/vents/inlets
movement):
•
Alarm message is transmitted
VENT / CURTAIN SETUP
Curtain
Pot
Open
(sec)
Close
(sec)
Wind
Dir
~
Curtain 1 NONE 60
60
45
Curtain 2 NONE 60
60
45
Inlet 1 NONE
60
60
0
Inlet 2 NONE
60
60
0
Tunnel
NONE 60
60
0
~
Vent 1 NONE 60
60
0
Vent 2 NONE 60
60
0
Attic Vent NONE 60
60
0
VENT / CURTAIN SETUP
Curtain
Pot
Open
(sec)
Close
(sec)
Wind
Dir
~
Curtain 1 POT 1
60
60
45
Curtain 2 POT 2
60
60
45
Inlet 1 POT 3
60
60
0
Inlet 2 NONE
60
60
0
Tunnel
NONE 60
60
0
~
Vent 1 NONE 60
60
0
Vent 2 NONE 60
60
0
Attic Vent NONE 60
60
0