... system consists of a signal splitter, and a time / flow program controller structure, fixed on ... valve controller to set a password-protected calendar years show regeneration step, regeneration time reduced to ... (1-8), and each step time (1-9999 seconds) arbitrarily set the system status signal display (such ... of week; l adjustable up to 8 programs, set time 10 ~ 9999 seconds, adjust the unit is ...