Vaisala WAC155 Uživatelská příručka stáhnout pdf (Strana 17)

Chapter 3 _______________________________________________________________ Installation

VAISALA_______________________________________________________________________ 15

0204-041

Figure 3 Recommended Mast Length on Top of a Building

The recommended minimum length (marked with the letter h in Figure

3 on page 15) for the mast that is installed on top of a building is

1.5 times the height of the building (H). When the diagonal (W) is less

than the height (H), the minimum length of the mast is 1.5 W.

Installation Procedure

For installation, follow the procedure below and refer to corresponding

sections for details.

1. Remove the four screws holding the cover of the WAC155

transmitter. Remove the cover.

2. Select the RS-485 termination according to the instructions in

section Jumper Settings on page 16.

3. Enter the power and signal cables through the cable glands(s).

For better protection against RF interference, ground the cable

shield as shown in Figure 6 on page 17.

4. Connect the wires to the X2 removable screw terminal block

according to Figure 8 on page 20 and Figure 9 on page 21.

Tighten the output cable gland(s).

5. Carefully reattach the enclosure cover with the four screws.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 59 60

Žádné komentáře

Vaisala WAC155 Uživatelská příručka Strana 17