SECURE H37XL Channel Plus Electronic Programmer Installation Guide
Get the installation instructions for the SECURE H37XL ChannelPlus Series 2 Three Channel Programmer. This fully graphical, back-lit display programmer is a direct replacement for existing H37XL models with simple menu-driven programming. Each channel offers up to three programmed operating periods per day, seven days a week, with three independent boost and advance control on fully pumped systems. Ensure proper installation with a qualified person and in accordance with the IET Wiring Regulations.