Vaisala HMP60 Uživatelská příručka stáhnout pdf (Strana 23)

Chapter 3 _______________________________________________________________ Installation

VAISALA _______________________________________________________________________ 21

Drilling Instructions for Duct Installation Kit

0505-178

Figure 12 Drilling Instructions

The following numbers refer to Figure 12 above:

1 = Mounting screw

2 = Tension screw

3 = Probe assembled in duct installation kit plastic pipe

Drill the holes for the duct installation kit as follows:

1. Use a 24-mm drill bit to drill a hole to the duct wall for the

humidity probe.

2. Drill holes for the duct installation kit mounting screws around the

hole in a square arrangement, 42 mm apart from each other. Use a

3.2-mm drill bit to drill the holes for the mounting screws

(four ST4.2×16-C-Z DIN 7981 screws).

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Vaisala HMP60 Uživatelská příručka Strana 23