Always use new screws, tighten crosswise, tightening torque 14 Nm + 90° Our products are usually delivered without installation instructions. Installation may only be carried out by trained specialist technicians. Products supplied by us are exclusively intended for proper and appropriate use. The warranty is void in the event of improper, contrary to the intended purpose or unsuitable application or use. For electronic items that leave fault memory entries, it is essential to submit fault memo
