Hydra-Flex Aqua-Lab EVO User Manual - Manual (Page 14)

© Hydra-Flex Inc 2014 Page | 12
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
Valve Issues
Problem Potential Causes Solutions
Valve won’t open
Air pressure too low Ensure primary air regulator reading at least 60 psi,
turn up to 80-90psi if possible and check again
Internal valve o-ring jammed / twisted Remove valve from manifold, Carefully remove top
of valve
(caution – under high spring pressure)
push white piston up with small allen wrench from
opposite end and check o-ring condition. Replace
and lubricate if needed.
Valve leaks air or
water out top
Internal o-ring seal damaged / worn Remove valve from manifold, Carefully remove top
of valve
(caution – under high spring pressure)
push white piston up with small screwdriver from
opposite end and check o-ring condition. Replace
with 018 Viton O-ring and lubricate with Dow 111
valve lube.
Valve remains open
after signal is off
Manifold pressure is above 230 psi Reduce pressure to manifold to 200 psi operating
pressure