Hydra-Flex GRUNDFOS 20 GPM Manual

4000289 RevA0322
GRUNDFOS ASSITANT PUMP
SETUP PROCESS
STEP 1
STEP 4
STEP 2
STEP 5
STEP 3
STEP 6
From your home screen, use the right arrow key
to scroll over to the tab labeled Assist. Highlight
“assisted pump setup” and select by pressing “OK.”
Conrm “Const. pressure” is highlighted blue and
press right arrow.
Inside “assisted pump setup” you will be brought to
page 1 of 22. Read the page and use the right arrow
key to scroll to the next page.
Conrm “Analog input 1” is highlighted blue and
press right arrow.
Control mode page, read the page and use right
arrow key to move to the next page.
Conrm “Discharge press.” is highlighted blue and
press right arrow.

4000289 RevA0322
GRUNDFOS ASSITANT PUMP
SETUP PROCESS
STEP 7
STEP 10
STEP 8
STEP 11
STEP 9
STEP 12
Conrm “psi” is highlighted blue and press
right arrow.
Conrm “4-20mA” is highlighted blue and press
right arrow.
Conrm “0.0” is highlighted blue and press
right arrow.
Conrm “201” is highlighted blue and press
right arrow. **Please note this number may be set
different for low-pressure pump applications.**
For a 20 GPM wall mounted pump, conrm “300.0
PSI” is highlighted blue and press right arrow.
**PLEASE NOTE IF YOU ARE USING 40 GPM
FLOOR MOUNTED PUMP, THIS NUMBER
HIGHLIGHTED SHOULD BE SET AT 363 PSI**
Read the page and press right arrow.

4000289 RevA0322
GRUNDFOS ASSITANT PUMP
SETUP PROCESS
STEP 13
STEP 16
STEP 14
STEP 17
STEP 15
Conrm “0.5” is highlighted blue and press
right arrow.
Conrm the screen says, “Assist has been
successfully carried out.”
Conrm “1.0” is highlighted blue and press
right arrow.
Once the assist has been successfully carried out,
you should be brought back to the home screen and
your pump is ready to go.
Read the summary and press “OK” to conrm the
settings. After it is processed, press the “OK”
button again.
Hydra-Flex: 952-808-3640
Sonny’s: 800.327.8723
hello@hydraflexinc.com
www.sonnysdirect.com