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Little Giant 6-CIA-ML Manuel D'utilisation page 9

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OPERATION TESTING
Risk of damage to pump or other equipment.
Do not attempt to run the pump without water; this could result in permanent damage to the pump.
If pump is run dry, it may damage pump and void the warranty.
If the unit is going to be idle for a period of time, follow the cleaning instructions in
Volute" on page
12. Do not let the unit freeze. This may cause cracking or distortion that may destroy the
unit.
Testing Automatic Pump Operation
Pump models 6-CIA, 6-CIA-RS, and 6-CBA are equipped with a diaphragm switch that operates by balanc-
ing water and air pressure. Rising water in the basin applies pressure to the diaphragm, which activates the
switch, turning on the pump. As the water level falls, the pressure decreases until the switch deactivates,
turning off the pump. For the switch to function properly, it is vented to the atmosphere through a breather
tube routed through the pump's power cord. Non-restrictive air flow in the breather tube is required.
Pump model 6-CIA-RFS is equipped with a remote float switch with a piggyback plug on the switch cord.
The pump must be plugged into the piggyback switch cord for automatic operation.
When the pump is installed in a basin with a sealed cover, pump operation cannot be observed. The basin
cover will usually have a spare hole that is plugged with a rubber plug. This plug can be removed and pump
operation can be observed.
To test system operation, follow these steps:
1.
Connect the pump to power with correct voltage. Refer to the pump nameplate.
2. If applicable, be sure the gate valve on the discharge line is open.
3. Run water into the basin until the pump is activated. Do not attempt to run the pump without water.
4. Confirm that the pump and its control switch are functioning as intended.
NOTE: If the pump doesn't turn on, test the switch. Refer to
or
"Testing the Float Switch" on page
5. Confirm that the ON/OFF levels are within specification.
6. Make sure no potential obstructions exist that could inhibit switch operation.
7.
Verify there are no leaks in the pump discharge plumbing and main home drain pipe plumbing.
NOTE: It is normal for a stream of water to spray from the air bleed hole in the pump's plumbing. Water
also sprays out of a hole in the base of the unit. Confirm that this spray is captured within the basin.
8. Allow the pump to operate through several on/off cycles.
"Testing the Diaphragm Switch" on page 10
10.
OPERATION TESTING
Testing Automatic Pump Operation
"Cleaning Impeller and
9

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6-cia6-cim6-cim-r6-cim-rs6-cia-rfs6 serie ... Afficher tout