Seaflo 33 Series Manual

Seaflo 33 Series Manual

Diaphragm pump

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FAILURE TO PRIME BUT MOTOR OPERATES - NO PUMP DISCHARGE

Restricted intake or discharge line.
Air leak in intake line.
Punctured pump diaphragm.
Initial amp supply is not enough to sufficiently start the motor.
Debris clogged in the valves.
Crack in pump housing.

MOTOR FAILS TO TURN ON

Loose or improper wiring.
Pump circuit has no power.
Blown fuse or thermal protection tripped.
Failed pressure switch.
Defective motor.

PUMP FAILS TO TURN OFF AFTER ALL FIXTURES ARE CLOSED

Punctured diaphragm.
Discharge line leak.
Defective pressure switch.
Insufficient voltage.
Clogged valves in pump head.

LOW FLOW AND PRESSURE

Air leak at pump intake.
Accumulation of debris inside pump or plumbing.
Worn pump bearing (possibly accompanied by loud noise).
Punctured diaphragm.
Defective motor.

NOISY

Check if the mounting feet are compressed too tightly.
Is the mounting surface flexible? If so, it may be adding noise.
Check for loose head/screws.
If the pump is plumbed with rigid pipe, then it may transmit noise more easily.
Please do follow the instruction manual to install the product. Any action outside what is recommended in this
manual may bring damage to the pump. Any inappropriate installation or operation that causes the pump damage
is not covered by warranty.
page
CAUTION
4
Diaphragm Pump Manual - 33 Series
An incredible feature list, high quality components, plus amazing performance. The three-chamber high
volume design, driven by a heavy-duty motor produces flow rates of 3 GPM, capable of self-priming up to
6 vertical feet, and can run dry, making it the price to performance leader. This pump also offers a variety
of easy connect fittings and filters.

FEATURES

3 chamber diaphragm pump
Run dry capable for normal workloads
Intermittent duty
Automatic: controlled by pressure switch
Industry standard mounting pattern
Ignition protected

APPLICATIONS

Yacht/RV/caravan pressurized water system
Sprayer fixtures (vehicle-mounted sprayers, electric sprayers)
Cleaning machines, humidifier, water purification, medical apparatus
Food beverage filling & liquid transfer
Solar water system
Any other pressurization system

INSTALLATION

Materials
1 diaphragm pump with related accessories
2 (at least) pieces of flexible, reinforced hose piping, with collapsing strength of twice the inlet collapsing
pressure( hose must be minimum 1/2" ID )
4 stainless steel hose clamps and screws
4 screws to fasten the pump to the mounting surface
1 electrical cutoff switch
1 fuse
1 screwdriver
1 strong cutting implement for tubing
(if desired) Teflon tape or sealant
page
Self priming
Quiet Operation
1

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Summary of Contents for Seaflo 33 Series

  • Page 1 Initial amp supply is not enough to sufficiently start the motor. Debris clogged in the valves. Crack in pump housing. Diaphragm Pump Manual - 33 Series MOTOR FAILS TO TURN ON Loose or improper wiring. Pump circuit has no power.
  • Page 2 Setup REPAIR KITS 1. The pump may be mounted in any position. If mounted vertically, the pump head should be in the down position to avoid leakage into the motor casing in the event of a malfunction. 2. Secure the feet, but do not compress them. Overtightening the securing screws may reduce their ability to dissipate noise and vibration.

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