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Hanna Instruments HI520 - Installation & Controller Start-Up; Installation Hardware

Hanna Instruments HI520
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17  Installation & Controller Start-Up
4. INSTALLATION & CONTROLLER START‑UP
4.1. INSTALLATION HARDWARE
4.1.1. Guidelines
The controller is suitable for outdoor use, but installation in direct sunlight or in areas of extreme temperature
is not recommended.
Based on controller specifications, installation thermal conditions are in the –20 to 50 °C (–4 to 122 °F) range.
The controller should be installed in an area where vibrations and electromagnetic interference are minimized.
Unused cable conduit entries must be securely sealed with Type 4X or IP66 conduit plugs, to maintain the
ingress protection rating.
Easy access to the controller should be available at all times.
Safety precautions must be observed at all times! See 1.2 Safety Measures section for details.
The versatile enclosure design supports surface or wall‑, panel‑, and pipe‑mount installations.
4.1.2. Wall Mount (Surface Mount)
Wall‑Mount Support Surface & Inside Depth Dimensions
horizontal mount requires at least 208 mm (8.2“) wall support surface
vertical mount requires at least 108 mm (4.3“) wall support surface
?
DIAG
170 mm
[
6.7”
]
280 mm
[
8.2”
]
34 mm
[
1.3”
]
85 mm
[
3.3”
]
160 mm
[
6.3”
]
Figure 4: Wall‑Mount Panel, Slots Dimensions

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