Watts WFHC 06Z 02 HC RF 24 User Manual page 9

4.7 External antenna
The controller embeds an internal antenna. If require, an
external antenna can be connected to improve the RF
communication. It could be useful if the controller is
installed inside a metallic box. In that case, you need to
install the external antenna outside the metallic box.
Please respect the mounting to optimize sensitivity and avoid any dysfunction
Antenna must be installed:
- outside the metallic box
- in vertical position
- and at least at 50cm of metallic parts
If you have several antenna (several controllers), they must be placed at minimum 80cm of each other.
√
The active antenna must be mounted vertically.
9
Good
Metallic Box
50 cm