Vaisala HMDW80 - Manual (Page 20)

User's Guide _______________________________________________________________________
18 ___________________________________________________________________ M211510EN-C
Installing Duct Models HMD82/83 and TMD82/83
REQUIRED
TOOLS
- Medium size crosshead screwdriver (Pozidriv) for screws on
cover and flange.
- Small slotted screwdriver for screw terminals.
- Drill with 2.5 mm and 13 mm bits for making the installation
holes.
- Tools for cutting and stripping wires.
- 19 mm open-end wrench for tightening the cable gland.
1. Remove the yellow transport protection cap and separate the
fastening flange from the transmitter.
2. Use the flange to mark the location and size of the installation holes
on the side of the duct.
3. Drill the installation holes in the duct. Refer to Figure 8 below.
4. Secure the fastening flange to the duct with the two screws
(included).
5. Push the probe of the transmitter through the flange and into the
duct. The probe should reach far enough so that the sensor is
located in the middle of the duct.
6. Secure the transmitter to the flange by tightening the screw on the
flange that holds the probe in place.
7. Open the transmitter cover, and route the power and signal cable
through the cable gland. Connect the wires to the screw terminals.
Refer to section Wiring on page 26.
8. Check that the DIP switches (if present in your transmitter model)
are set as desired. See section DIP Switches on page 30.
9. Tighten the cable gland and close the transmitter cover.