Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 21
Installing Wall Models HMW88, HMW89 and
TMW88
REQUIRED
TOOLS
- Medium size crosshead screwdriver (Pozidriv) for cover screws.
- Small slotted screwdriver for screw terminals.
- Two installation screws: Ø < 3.5 mm, head Ø < 10 mm.
- Depending on the wall material and screw type, you may need a
drill and a suitable drill bit to make installation holes for screws.
- Tools for cutting and stripping wires.
- 19 mm open-end wrench for tightening the cable gland.
1. Open the transmitter cover and use two screws (not included) to
attach the transmitter to the wall. The probe and cable gland should
point down.
2. Route the power and signal cable to the screw terminals and
connect the wires. Refer to section Wiring on page 27.
3. Close the transmitter cover and remove the yellow transport
protection cap from the probe.
1302-029
Figure 11 Wall Model Dimensions (HMW88/89, TMW88)
88
Ø3.5
Ø10
Ø3.5
Ø10
192.5
72
40.6
Ø4...8
105
87.5
Ø12
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