Spectra Watermakers VENTURA 150, Installation And Operation Manual

Page: 42 / 74

42
Pump runs intermittently,
cycling on/off
•
Overpressure switch on ShurFlo
pump opening
•
Adjust or replace switch (see
page 58)
Feed pump runs constantly,
will not turn off
•
Turn off manual switch on control box
•
Manual switch in ON
position on control box
Display activates, but pump
will not run
•
Loose or broken pump wire
connection
•
Tanks are full (if equipped
with tank switch). If full, Run
& Stop LED should be lit.
•
Check wiring at terminal block
inside control box
•
Check tanks– system cannot be
started if tanks are full.
System runs, no product water
delivered to water tanks
•
Disconnected or broken prod-
uct tubing
•
3 - Way Valve Incorrectly set
•
Check product tubing
•
Check 3 - Way Valve position
Feed pump runs with loud
noise
•
Intake blocked
•
Air in system
•
Check thru - hull valve
•
Check sea strainer for leaks
•
Check fresh water flush module
for leaks
•
Re - prime system (restart)
Troubleshooting Ventura Remote Manual Systems
SYMPTOMS
PROBABLE CAUSE
REMEDY
High feed pressure, High Am-
perage, & Product Flow down
up to 15%
•
Colder or more saline water
•
Brine or product flow path
subject to back pressure
•
Scaled or fouled membrane
•
Normal condition
•
Confirm by routing into a bucket to test
•
Clean Membrane
Feed Pump not running, no
noise
•
No power at feed
pump
•
Pressure switch Failed
•
Check voltage at pump
•
Adjust or bypass. To
bypass, jump terminals
on switch with electri-
cal wire. Only bypass
to test, not run long
term.
Feed pump turns on, no pres-
sure
•
Feed pump air locked
•
Pressure relief valve open
•
Open pressure relief valve
to bleed the air, then close
to start
•
Close pressure relief valve
Low Feed Pressure, Low Am-
perage
•
Warm saltwater or brackish
water
•
Normal condition
No product flow, good brine
discharge flow,
Recovery percentage is 0 (See
Flow Test)
•
Internal leak in Clark Pump
•
While system is running, kink brine
hose to stop flow until pressure rises
to 125psi, release hose quickly, repeat
no more than 10 times in succession
•
Inspect Clark Pump Check Valves
•
Complete Service is recommended.
Contact Dealer or see Clark Pump re-
build manual. Install Offshore Kit