Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 97
Disassembly of MAWS201 for Transportation
1.
Disconnect the power as follows:
a.
For short storage periods, set the MAWS into low power
consumption mode by giving the command
SLEEP
.
b.
For long periods (over one month), disconnect the battery.
First, open the hand screws that hold the tube in its place.
Open logger housing. Detach red wire from the + terminal.
Attach logger housing, lift the tube up and secure it with
the hand screws.
2.
Remove the cables from the upper and lower base connectors.
3.
Detach sensor arm(s). Insert the screws back in their places for
safekeeping.
4.
Detach upper tube. Insert the screw back in its place for
safekeeping.
5.
Remove wind sensor by opening the plastic collar. Detach wind
cable.
6.
Tilt the solar panel so that it is parallel to the tripod leg. Cover
the panel by an opaque cover or other material before electrical
connections to the modules or other system components are
handled.
7.
Loosen the Locking screw, put the legs together and tighten the
locking screw again.
WARNING
Be careful when drawing together the tripod legs. See that there are
no power lines or other obstacles above the mast (and wind sensor).
QMT107 Probe Extraction
Follow the procedure below to extract the probe. See Figure 94 on
page 98):
1.
Set a piece of wood or similar close to the sensor.
2.
Pass the auger rod through the wire loop at the top of the probe.
3.
Make the auger handle rest onto the piece of wood.
4.
Lift the probe.