ECS Series Manual — P/N 151455:H 2/15/2022 37
Installing the ECS-125W ECS Device Installation
2. Install center top fastener in the wall with the screw head protruding.
3. Place backbox over the top screw, level and secure.
4. Mark and drill the lower mounting holes.
5. Install remaining fasteners and tighten.
4.6.3 Mounting the ECS-125WBD Board Only
1. Ensure AC and DC power have been removed from the panel.
2. If this module is a replacement for an existing ECS-125W, remove the screws which secure the board to the enclosure.
NOTE: Installation and wiring of this device must be done in accordance with NFPA 72 and local ordinance
board mounting bracket
mounting key holes
bottom mounting holes
24.75”
14.5”
11”
Figure 4.38 Cabinet Flush-Mount Dimensions and Mounting Hole Locations