USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
11
Starting/Priming the Pump
Note that starting and priming will require that the VS Omni pump has been configured. Refer to the VS Omni Installation manual for instructions on the con-
figuration and operation of the pump. After configuration, start and prime the pump using the Control Pad.
Fill strainer housing with water to suction pipe level. If water leakage occurs from anywhere on the pump or filter, DO NOT start the pump. If no leakage occurs,
stand at least 10 feet from pump and/or filter and proceed with starting the pump.
WARNING – Return to filter to close filter manual air relief valve when a steady stream of water (not air or air and water) is discharged from valve. Failure to
do so could result in severe personal injury.
ATTENTION – NEVER OPERATE THE PUMP WITHOUT WATER. Water acts as a coolant and lubricant for the mechanical shaft seal. NEVER run pump dry. Run-
ning pump dry may damage seals, causing leakage, flooding, and voids warranty. Fill strainer housing with water before starting motor.
ATTENTION – Do NOT add chemicals to pool/spa system directly in front of pump suction. Adding undiluted chemicals may damage pump and voids warranty.
ATTENTION – Before removing strainer cover:
1. STOP PUMP before proceeding.
2. CLOSE VALVES in suction and outlet pipes.
3. RELEASE ALL PRESSURE from pump and piping system using filter manual air relief valve. See filter owner’s manual for more details.
4. If water source is higher than the pump, pump will prime itself when suction and outlet valves are opened. If water source is lower than the pump, remove
strainer cover; fill strainer housing with water.
5. Clean and lubricate strainer cover O-ring with “Jack’s 327” if necessary.
6. Replace strainer cover on strainer housing.
Turn on power and wait for pump to prime, which can take up to fifteen (15) minutes. Priming time will depend on vertical length of suction lift and horizontal
length of suction pipe. If pump does NOT prime within 15 minutes, stop motor and determine cause. Be sure all suction and discharge valves are open when
pump is running.
Troubleshooting
Motor Will NOT Start
• Check that supply voltage is wired properly and available at the pump.
• Check that low voltage communication cable is wired properly for your model according to the tables shown on page 9 and 10.
• Check the rotation of the motor shaft for free movement and lack of obstruction. Correct if necessary.
Motor Shuts OFF
• Check for low voltage or power drop at the motor (frequently caused by undersized wiring). Contact a qualified professional to verify the electrical con-
nections.
Motor Hums, But Does NOT Start
• Check if impeller is jammed with debris. Have a qualified repair professional open the pump and remove the debris.
Pump Won’t Prime
• Empty pump/strainer housing. Make sure the pump/strainer housing is filled with water and the cover o-ring is clean. Ensure the o-ring is properly seated
in the cover o-ring groove. Ensure the o-ring sealing surface is lubricated with “Jack’s 327” or equivalent and that the strainer cover is locked firmly in
position. Lubricant will help to create a tighter seal.
• Check for loose connections on the suction side and tighten the pipe/union connections. Note: Any self-priming pump will not prime if there are suction air
leaks. Leaks will result in bubbles emanating from the return fittings on the pool wall.
• Check for leaking O-ring or packing glands on valves. Tighten, repair, or replace the valves.
• The strainer basket or skimmer basket may be loaded with debris. Remove the strainer housing cover or the skimmer cover. Clean the basket, and refill
the strainer housing with water. Tighten the cover.
• The suction side may be clogged. Contact a qualified repair professional. You should have 5” - 6” of vacuum at the strainer cover (your pool dealer can
confirm this with a vacuum gauge). You may be able to check by removing the skimmer basket and holding an object over the bottom port with the skim-
mer full and the pump running. If no suction is felt, check for line blockage:
• If the pump develops a vacuum, check for a blocked suction line or a dirty strainer basket. An air leak in the suction piping may be the cause.
• If the pump does not develop a vacuum and the pump has sufficient “priming water”:
• Re-check the strainer housing cover and all threaded connections for suction leaks. Check if all system hose clamps are tight.
• Check voltage to ensure that the motor is rotating at full rpm’s.
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