Graco 562870, Instructions Manual

Page: 16 / 28

Step-By-Step Programming Instructions
16 313903B
• High Flow Set: Appears if HIGH FLOW or HI
and LOW FLOW is selected. (If LOW FLOW
only was selected, skip to the ENABLE TACH
section.)
The alarm is based on the maximum usage rate
(High Flow) per 24 hours. Should the usage
exceed that value, the zone will go into fault and
display the letter “H” in the zone status line for
that zone (F
IG
. 15).
a. Press and hold the SLCT button to increase
the value and set the High Flow rate. (9999 is
the maximum amount allowed in this field.)
Use the RST/CLR button to decrease the
value.
b. Release the button when the Low Flow rate is
shown on the display.
NOTE: If the HI and LOW FLOW is selected, the amount
entered, cannot drop below 15% of the LOW FLOW
value.
c. Press the PGRM button to advance to the
next programming option.
• Enable Tach: Choose one - YES or NO.
a. Press the SLCT button to toggle between
choices.
If the tachometer is not to be enabled, select
NO. No further options will be asked for the
zone.
Enabling the tachometer (selecting YES) will
add a + (plus) sign to the display screen to
indicate that alarm times are being adjusted
(F
IG
. 16).
NOTE: The + (plus) sign also appears if
Faults Skip, option 2 or 3, is chosen, page 18.
Tachometer parameters selected are pro-
grammed common to both zones.
Settings made for Zone 1 are automatically
entered for Zone 2.
b. Press the PGRM button to advance to the
next programming option.
• Set # Pulses/Rev: Program the number of
pulses the sensor will see in one revolution of
the pump drive mechanism. The tachometer
input is based on this number.
a. Press and hold the SLCT button to increase
the pulse count. (20 pulses per shaft revolu-
tion maximum.)
Use the RST/CLR button to decrease the
value.
F
IG
. 15
F
IG
. 16