Installation Manual for the Wheelock STH-15S-ULC and STH-15SR-ULC, published in 2021. Document No: TD450156EN, Rev: 06-2021. Models STH-15S-ULC and STH-15SR-ULC. Physical installation guide, backbox dimensions, and cabling specifications.
Wheelock STH-15S-ULC and STH-15SR-ULC Installation Manual (2021) | FACP Manuals