Hydra-Flex Aqua-Lab MD Operating Manual - Manual (Page 12)

Operating Manual
© Hydra-Flex Inc 2011 - 12 -
Clogged injector nozzle Remove injector and blow out any debris with
compressed air
Defective Injector Replace injector
Product Specific – Sonny’s Rain Bar Remove elbow at inlet to foam generator and
remove nozzle
Manifold Inlet Clogged (rare) Remove end fittings and retention rod. Clean out
inlet holes to allow full flow.
No Flow from
injector
Valve malfunction, valve not opening Ensure minimum 60 psi on primary air regulator,
ensure valve receiving signal
Clogged injector Remove injector and blow out debris with
compressed air
No water supply Check that the system has a supply of water
Injector Stainless
Steel disintegrating
from HF
Strong Hydro-Fluoric Acid Call Hydra-Flex and order coated version of
injectors
Pressure Regulator Issues
Problem Potential Causes Solutions
System won’t
regulate up to 200
psi
Pump not primed Follow priming instructions
Debris in regulator Remove regulator and clean out debris
Motor rotation incorrect Verify rotation
Opening too many valves at once System is limited by size of pump and size of
injectors, increase flow by adding secondary pumps
or reduce size / number of injectors open
Defective check valve (if applicable) Replace check valve
Defective Regulator Replace regulator
Defective Pump Replace Pump
Flow / Arch Issues
Problem Potential Causes Solutions
Flow at arch is too
low
Incorrect injector flow rate selection Replace with larger injector
System pressure too low Ensure system pressure is set at 200psi
Foam Generator Plugged Ensure cleaned and clear
Downstream plumbing restrictive Increase size of plumbing / tubing, ensure check
valves are cleaned or new, reduce elbows in line or
other turns that would restrict