TM 10-4610-229-10
2-1. OPERATOR'S CONTROLS AND INDICATORS (CONT)
PRETREATMENT ASSEMBLY (CONT)
Control or
Indicator
Function
BACKWASH TIMER
Rotary dial times backwash or flushing period. Can be
set to any time between 1 and 60 minutes. Bell
sounds when time is up.
MEDIA FILTER OK
When lit, shows that water pressure from media filters
Indicator
is high enough. When not lit, shows that filters
(Green)
need backwashing.
CARTRIDGE FILTER
When lit, shows that water pressure from cartridge
OK Indicator
filter is high enough. When not lit, shows that
(Green)
filter elements need to be changed.
2-12
