Hydrotech PURA Ultimate 19-GU-PURA Operation Manual - Manual (Page 16)

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8. Reinstall the Quartz Sleeve and retighten the UV retaining nut. Take care not to crack the Quartz Sleeve by
over tightening. Tighten about ¼ turn after the gasket makes contact.
9. Leave one of the wires disconnected until after the sanitization procedure is complete. Chlorine can react with
UV light and cause taste issues.
Replacing the UV Lamp
1. Turn off the red switch on the back of the unit and unplug the cord.
2. Turn off the water supply.
3. Open the top cover and remove the UV lamp by unplugging the UV wire connectors and carefully pulling the
lamp straight up.
4. Replace the UV lamp. For replacing the UV lamp, disconnect the wire harness from both sides of the lamp.
NOTE When replacing the wiring harness/starter, be sure the wires are straight and snug, and not
crossed, before inserting the UV lamp into quartz sleeve.
NOTE The UV lamp will turn on only when the compressor is on and running. When the compressor
shuts off, the UV lamp will shut off as well.
NOTE do not touch the UV lamp or the Quartz sleeve with bare hands.