LT Security PTZ217X12 Installation Manual - Manual (Page 27)

Installation Manual of 4-inch Speed Dome
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Figure 3-7 Secure the Speed Dome
3.3 In-ceiling Mounting
Before you start:
The in-ceiling mounting is applicable to the indoor ceiling.
Notes:
 The height of the space above the ceiling must be more than 250mm.
 The ceiling must be with the thickness between 5 and 40mm.
 The ceiling must be strong enough to withstand more than 4 times the weight of the dome
and its accessories.
Steps:
1. Drill holes in the ceiling.
1) Attach the drill template to the ceiling where you need to install the speed dome.
2) Cut a hole and drill screw holes according to the drill template.
Note: ± 2mm of the diameter of the circle is tolerable.