Circulating Pump Technical Bulletin No. 17Page 1 of 10


Nov 25, 2006 - ...

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Circulating Pump

Technical Bulletin

No.

17 Page 1 of 10

17.1 Parts List

3/4 HP Circulating Centrifugal Pump Pre-plumbed pump/filter connector Filtration mounting hardware

17.2 A Description (the US and other countries with the same electrical requirements) The 3/4 HP pump circulates the water in your pool in order to filter it and keep it clean. It creates a flow rate in the Water Quality System of approximately 30 gallons per minute (GPM). It has been wired with a twistlock plug for a 110V GFI protected circuit. Endless Pools® has also provided a matching receptacle on the Control Board (Tech Bulletin #21) to assist in the installation process. Note: The timeclock for the Water Quality System can only accept a 110V service. It is important to check the wiring on the motor to make sure the service voltage matches the pump's wiring. The 1 HP pump for the Hydrotherapy Jet Option is similar to the 3/4 HP pump. The enclosed manufacturer's information will apply for both pumps. The jet pump can be wired for 110V or 220V service. It is important to check the wiring on the motor to make sure the service voltage matches the pump's wiring.

17.2 B Description (the UK and other countries with the same electrical requirements) The 3/4 HP pump circulates the water in your pool in order to filter it and keep it clean. It creates a flow rate in the Water Quality System of approximately 30 gallons per minute (GPM). It has to be wired to the timeclock in an RCD protected circuit (see Tech Bulletin #21). Note: The timeclock for the Water Quality System can only accept a 220V service. It is important to check the wiring on the motor to make sure the service voltage matches the pump's wiring. The 1 HP pump for the Hydrotherapy Jet Option is similar to the 3/4 HP pump. The enclosed manufacturer's information will apply for both pumps. The jet pump can be wired for 110V or 220V service. It is important to check the wiring on the motor to make sure the service voltage matches the pump's wiring.

17.3 Installation Considerations The pump should be installed no more than 1' above or 5' below the water surface. When installing the pump above the water line, it is a good idea to install a check valve close to the pool to keep the pipe filled with water. If the water is allowed to drain from the pipe, the pump will have difficulty keeping prime. Losing prime can cause damage to the pump. When the pump loses prime, it may need some assistance in starting back up again. Please call our Customer Service Department if you need suggestions for this process.

17.4 Installation Use the hardware provided with the pump to mount the pump, filter, and electric heater to the PVC mounting board (Tech Bulletin #16). The pre-plumbed pump/filter connector piece has quick disconnects on each end for ease of installation and service when using the standard filtration equipment. Be sure that the o-rings are properly seated to ensure a good seal at each end of the pump/filter connector. Use teflon sealant or tape to seal the threads of the adapter for the outlet, and the PVC plumbing going into the inlet sides of the pump.

17.5 Additional Considerations The strainer pot on the pump should remain filled with water at all times. When the pot is full, you should see little to no movement of water through the strainer pot lid. If you see water flowing into the pump through the lid, your system may be drawing in air. This condition is commonly caused by a low water level. The pump cannot be allowed to freeze when filled with water. If you are in an area where freezing occurs, it is important to consider this potential problem. Please call the Customer Service Department for guidance on winterizing techniques or see Tech Bulletin #21A for information on Freeze Control Devices.

Endless Pools Inc.

11/25/2006

Circulating Pump

Technical Bulletin

No.

17 Page 2 of 10

Endless Pools Inc.

11/25/2006

Circulating Pump

Technical Bulletin

No.

17 Page 3 of 10

Endless Pools Inc.

11/25/2006

Circulating Pump

Technical Bulletin

No.

17 Page 4 of 10

Endless Pools Inc.

11/25/2006

Circulating Pump

Technical Bulletin

No.

17 Page 5 of 10

Endless Pools Inc.

11/25/2006

Circulating Pump

Technical Bulletin

No.

17 Page 6 of 10

Endless Pools Inc.

11/25/2006

Circulating Pump

Technical Bulletin

No.

17 Page 7 of 10

Endless Pools Inc.

11/25/2006

Circulating Pump

Technical Bulletin

No.

17 Page 8 of 10

Endless Pools Inc.

11/25/2006

Circulating Pump

Technical Bulletin

No.

17 Page 9 of 10

Diagram for use in the US and other countries with the same electrical requirements.

Endless Pools Inc.

11/25/2006

Circulating Pump

Technical Bulletin

No.

17

Page 10 of 10

Diagram for use in the UK and other countries with the same electrical requirements.

Endless Pools Inc.

11/25/2006