Pura Buv-12 Installation Manual & Owner'S Manual Download Page 6

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3.    Mount the system to the wall using the supplied clamps. Various connection methods can be used to connect the water 

source to the system, however union type connectors are recommended. The use of a flow restrictor device (included with 
the system) is strongly recommended when installing your system in order to maintain the manufacturers rated flow rate. 
The flow restrictor should be installed on the outlet port and is designed to be installed in one direction only. Ensure that the 
flow of the water matches the flow direction as indicated on the flow restrictor (Figure 1C). DO NOT SOLDER CONNECTIONS 
WHILE ATTACHED TO THE SYSTEM AS THIS COULD DAMAGE THE O-RING SEALS. Mount the countdown assembly to the UV  
chamber and tighten the metal clamp.

4.   Mount the controller on the wall, near the reactor chamber. Ideally place the controller above the reactor and away 

from any water connection point, to prevent any water from potentially leaking onto the controller by means of a leak 
at a connection point or a ‘sweating’ system. Make sure you allow for a ‘drip-loop’ (Figure 1D) on the lamp, and power 
cord (prevents water from potentially entering the controller).

5   Install the UV lamp and sleeve as outlined on pages 8-9.

6.   When all plumbing connections are made, slowly turn on the water supply and check for leaks. The most likely cause for 

leaks is from the o-ring seal. In case of a leak, shut water off, drain cell, remove the retaining nut, wipe the o-ring and 
threads clean and re-install.

7.   Once it is determined that there are no leaks, plug the system into the ground fault interrupter circuit, and check control-

ler to ensure the system is operating properly. The controller is designed to detect both power to the system and lamp 
illumination. Reset the countdown timer to 365 days. It is important to NEVER LOOK DIRECTLY AT THE GLOWING UV LAMP.

8.   Allow the water to run through the chamber for 5-10 minutes prior to use to clear any air or dust that may be in the  

reactor.

PLEASE NOTE:

 When there is no flow, the water in the cell will become warm, as the UV lamp is always on. To remedy this, run 

a cold water tap anywhere in the house for a minute to flush out the warm water.

Correct Installation

Incorrect Installation

IMPORTANT:

 For vertical installation, the inlet is at the bottom and the outlet is near the top of the disinfection chamber. For 

horizontal installation, pay careful attention to the diagram for flow direction.

Summary of Contents for Buv-12

Page 1: ...UAL OWNER S GUIDE Stainless Steel Ultraviolet Water Purification System Buv 6 Buv 8 Buv 12 55003 0612 System Tested and Certified by NSF International against NSF ANSI Standard 55 for Disinfection Per...

Page 2: ...bled and they are unable to reproduce Since the cell is now sterile or dead it is no longer a threat PURA Systems PURA recommends that all UV systems include pre filters to process the water before it...

Page 3: ...nd warnings on the water disinfection system 10 If an extension cord is necessary a cord with a proper rating should be used A cord rated for less Amperes or Watts than the disinfection system rating...

Page 4: ...that may be used for the installation Routine Maintenance It is important that any water treatment system be properly maintained to ensure consistent water quality The information provided on this pag...

Page 5: ...I make sure that this is taken into consideration prior to any installation The system can either be installed vertically inlet port at the bottom Figure 1A or horizontally Figure 1B When selecting a...

Page 6: ...ter from potentially entering the controller 5 Install the UV lamp and sleeve as outlined on pages 8 9 6 When all plumbing connections are made slowly turn on the water supply and check for leaks The...

Page 7: ...the locations have passed the chlorine disinfection solution you will need to leave the solution sit for a period of 20 30 minutes Reinstall the pre filter cartridge into the filter and then flush the...

Page 8: ...er being careful not to angle the lamp as it is removed from the chamber If the lamp is removed on an angle pressure will be applied on the inside of the quartz sleeve causing the sleeve to fracture S...

Page 9: ...ction on page 8 9 Slowly turn on the water and pressurize the reactor to verify that there are no leaks 10 Reconnect to power source NOTE If the system is put on a temporary bypass or if it becomes co...

Page 10: ...system 3 Heated Product Water A Common problem caused by infre quent use of water A Run water until it returns to ambient tempera ture 4 Water Appears Milky A Caused by air in the water lines A Run w...

Page 11: ...ance Data Sheet While testing was performed under standard laboratory conditions actual performance may vary This Class B system or component conforms to NSF ANSI 55 for the supplemental bactericidal...

Page 12: ...rranty shall be void ALL IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE PERIOD SPECIFIED ABOVE FOR PROD...

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