Sterling SGM-250A User Manual

Adjust the time control of the SGM-250A if desired. The factory 
set timer is set to backwash four minutes every 24 hours. 
Frequency and duration may be reset as required. See diagram 
below to adjust timer. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
To change the length of backwash time, rotate the complete dial 
assembly until the red arrow is at 11:00. Loosen the center screw 
and lift the black, yellow, and white dials together pointing to the 
desired time to on the red scaled dial. Lift the black knob and the 
red dial pointer to 6 on the white-scaled dial. Then lift the black 
knob pointer to 6 on the yellow-scaled dial. Tighten screw. Rotate 
the complete assembly until the red arrow is pointing to the rib on 
the pressure box (6:00 position). The timer will now back wash for 
six minutes. 

 

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REGEN ERA TIO N

For manual regeneration, move
lever in direction of arrow as far

as it will go - then release.

1. Set skipper wheel so that

"TO-DAY" or number one is

opposite arrow.

Skipper wheel.

2. Set time of day at which unit

is to regenerate by loosening

this screw, and turning this dial

in either direction so that arrow

points to desired regeneration

time in the window of the black

dial.

Then tighten screw.    

3. Set time of day by lifting up

yellow dial and turning it in

either direction until actual time

is opposite arrow.

Red
Dial

White

Dial

Yellow

Dial

Lift tabs on skipper wheel

corresponding to days

regeneration as desired.