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NIGHT SCAN VERTICAL
OPERATING INSTRUCTIONS
TP-4836201-G
MARCH 2021
5 Installation
This section describes the physical and electrical installation of the Night Scan Vertical and
provides the general procedures that must be followed to ensure a successful installation. Be
sure to read and understand the entire installation procedure and the Safety Summary in Section
1 before beginning installation.
5.1 Mounting Location Requirements
The following factors must be included when selecting an appropriate mounting location:
1. Your system is designed to withstand adverse weather conditions, however it cannot be
submerged in water. If the system is mounted in a well, provide adequate drainage. A
minimum of four 1 inch (25 mm) diameter drain holes (one per corner) are recommended.
2. Ensure that the mounting surface is flat and has sufficient room and strength to hold the
system. Reinforce as necessary. Table 5-1 shows the shear force and the bending moment
load acting at the base plate (bottom of mast) of the mast due to wind loading. The load
values correspond to the maximum wind load ratings in the Technical Data Section. The
combination of the support bracket (or internal roof mount kit) and the base plate support
structure must resist these loads to adequately support the mast.
Note: Shear force is larger with shorter masts because rated wind load is higher.
3. The roof-line for internally mounted masts or the support bracket for externally mounted
masts must lie between the weep hole and base tube collar. Mounting hardware should be at
least 1 inch (25 mm) above the weep hole and at least 3 inches (76 mm) below the collar. The
support bracket or roof mounting kit should be as high as possible on the mast and not block
the weep hole. In an internal mount application, the drain kit provided with the mast can
redirect the water exiting the weep hole.
4. The areas beneath the floor must be free of obstructions to allow for accessibility to base
plate fasteners and air inlet port.
Table 5-1 Mounting Structure Reaction Loads
Model
Base Shear Force
(lb. / N)
Base Moment
(ft.-lb. / Nm)
4.3-15
495 / 2202
4681 / 6345
5.4-17
412 / 1833
4695 / 6366
6-20
352 / 1566
4658 / 6316
7-25
293 / 1304
4678 / 6343
8-30
250 / 1112
4684 / 6351
Summary of Contents for NIGHT SCAN VERTICAL
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