Hayward HYDRAPURE HydraPure Owners Manual - Page 8

Startup

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In some cases it may be necessary to use an alternate Ozone check valve. This prevents the HydraPure unit from losing pump prime and draining down the equipment set. This would be necessary when the HydraPure Unit is positioned with the base of the unit greater than 1' above water level. In that case the inlet check valve must be changed based on the chart below. Base of HydraPure to water level 1' or Lower 1'-3' (30cm-90cm) 3'-5' (90cm-150cm) 5'-8' (150cm-240cm) Check Valve Rating 1.0 LB 2.0 LB 3.0 LB 4.0 LB Part Number HYDRACHKVLVOEM HYDRACHKVLV2 HYDRACHKVLV3 HYDRACHKVLV4 In order to change the Ozone check valve, the installer simply loosens and unscrews the tubing compression fitting, loosen and unscrew the Check valve from the venturi Inlet connection. Warning: Be sure to shutoff the equipment before removing anything from the unit, and drain the unit using the winterizing plug. There may be water present in the Venturi if the unit has been cycled on. Check Valve Startup 1. Turn on the pool pump and verify that there are no leaks. If there are no leaks turn off pump and proceed to step 2. 2. Turn on power to the HydraPure by turning on the breaker or plugging it in. 3. Turn on the pool pump, the HydraPure will switch on automatically when it senses water flow. 7 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS

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In some cases it may be necessary to use an alternate Ozone check valve. This prevents the HydraPure
unit from losing pump prime and draining down the equipment set. This would be necessary when the
HydraPure Unit is positioned with the base of the unit greater than 1’ above water level. In that case the
inlet check valve must be changed based on the chart below.
Base of HydraPure to water level
Check Valve Rating
Part Number
1’ or Lower
1.0 LB
HYDRACHKVLVOEM
1’-3’ (30cm-90cm)
2.0 LB
HYDRACHKVLV2
3’-5’ (90cm-150cm)
3.0 LB
HYDRACHKVLV3
5’-8’ (150cm-240cm)
4.0 LB
HYDRACHKVLV4
In order to change the Ozone check valve, the installer simply loosens and unscrews the tubing
compression fitting, loosen and unscrew the Check valve from the venturi Inlet connection. Warning:
Be sure to shutoff the equipment before removing anything from the unit, and drain the unit using the
winterizing plug. There may be water present in the Venturi if the unit has been cycled on.
Startup
1.
Turn on the pool pump and verify that there are no leaks. If there are no leaks turn off pump and
proceed to step 2.
2.
Turn on power to the HydraPure by turning on the breaker or plugging it in.
3.
Turn on the pool pump, the HydraPure will switch on automatically when it senses water flow.
Check Valve
7
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS