Detcon TP-524D-HRT Bedienungsanleitung PDF herunterladen (Seite 11)

Model TP-524D-HRT

TP-524D-HRT Instruction Manual Rev. 0.3 Page 7 of 48

8-32 tapped

ground point

4.6"

NPT Ports

6.125"

5.5"

6.45"

" mounting holes

5.25"

Wall (or other

mounting surface)

H2S Sensor

Splash Guard

2.1"

PGM 1

PGM 2

MODEL TP-524DHOUSTON, TEXAS

FLT 1 2 CAL

MicroSafe H2S Gas Sensor

ALM ALM

Figure 6 Typical Outline and Mounting Dimensions

2.5 Electrical Installation

The Sensor Assembly should be installed in accordance with local electrical codes. The sensor assemblies are

CSA/NRTL approved (US and Canada) for Class I, Division 1, Groups B, C, & D area classifications.

Proper electrical installation of the gas sensor is critical for conformance to Electrical Codes and to avoid

damage due to water leakage. Refer to Figure 7 and Figure 8 for proper electrical installation.

NOTE:

If a conduit run exits the secondary port, repeat the installation technique shown in

Figure 7.

In Figure 7, the drain allows H

O condensation inside the conduit run to safely drain away from the sensor

assembly. The electrical seal fitting is required to meet the National Electrical Code per NEC Article 500-3d

(or Canadian Electrical Code Handbook Part 1 Section 18-154). Requirements for locations of electrical seals

are covered under NEC Article 501-5. Electrical seals also act as a secondary seal to prevent water from

entering the wiring terminal enclosure. However, they are not designed to provide an absolute watertight seal,

especially when used in the vertical orientation.

NOTE:

A conduit seal is typically required to be located within 18" of the J-Box and Sensor

Assembly. Crouse Hinds type EYS2, EYD2 or equivalent are suitable for this purpose.

NOTE:

The Detcon Warranty does not cover water damage resulting from water leaking into

the enclosure.

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