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SAFETY INSTRUCTIONS 

1.  Do not plug in unit if any of the external surfaces or electrical components 

are wet. 

 

2.  To avoid possible electric shock, special care should be taken since water 

may be present near electrical equipment. Unless referred to in these 
instructions, do not attempt repairs to the unit yourself. Contact the 
manufacture for service advice. 

 

3.  Do not operate this system if it has a damaged electrical cord or plug is 

malfunctioning, or has been dropped or damaged in any way. 

 

4.  Do not use this unit for anything other than its intended potable water 

application. The use of attachments not recommended, approved, or sold 
by the manufacturer/distributor may result in an unsafe condition. 

 

5.  Before doing any cleaning or maintenance, always unplug the unit. 

 

6.  Protect your unit from freezing. Drain all water from unit if freezing 

temperatures exist. 

 

RAW WATER QUALITY 

It is strongly recommended that you have your raw water professionally tested for 
dissolved mineral content, turbidly and microbiological activity.  Your UV 
disinfection system requires clean, clear water for optimum performance.  You 
should only operate your unit if the source water meets the following minimum 
standards: 

 

Turbidity

<1 NTU

Suspended Solids

<10mg/L

Colour

None

Total Iron

<0.3mg/L

Manganese

<0.5 mg/L

Hydrogen Sulphide

<0.5 mg/L

Hardness

<7 gpg

 

 

Where raw water conditions do not meet these minimum standards, pre-
treatment equipment such as an inline or automatic filter, ion exchange softener 
or an RO system must be installed.  Consult with your local water treatment 
specialist for advice. 

 

 

Where microbiological activity is indicated to be present in your water 
source, it is highly recommended that additional disinfection barriers be 
used in addition to your UV system.  This could include water well 
chlorination using a pellet dispenser, inline chlorine injection using a 
dosing pump and a contact tank, <1-micron absolute filtration or ozone 
injection.  The use of multiple barriers will assure safe drinking water in the 
event of the failure of any one of the disinfection methods. 

 

 

 

 

Summary of Contents for Excelight EL411AK

Page 1: ...r Excelight UV system models EL411AK EL720AK and EL1129AK IMPORTANT READ AND UNDERSTAND TERMS OF THE MANUFACTURER S WARRANTY ON PAGE 15 OF THIS MANUAL FILL OUT THE WARRANTY REGISTRATION CARD WITH THE...

Page 2: ...OUTSIDE THE DISINFECTION CHAMBER EXPOSURE TO UV LIGHT CAN RESULT IN SERIOUS INJURY AND EXTREME BURNING OF THE SKIN AND EYES Excelight UV disinfection systems are equipped with both visual and audible...

Page 3: ...professionally tested for dissolved mineral content turbidly and microbiological activity Your UV disinfection system requires clean clear water for optimum performance You should only operate your u...

Page 4: ...ding stud on the end of the reactor vessel 2 Excelight UV disinfection devices are designed to be installed on the cold water line only 3 Install the Excelight UV disinfection system indoors in a prot...

Page 5: ...e figure 1 1 Shut off the main water supply valve 2 Mount the unit to the wall in the selected location using the brackets and screws provided 3 Mount the power supply beside or above the reactor vess...

Page 6: ...Figure 2 WARNING If soldering copper pipes do not allow heat near plastic or nylon threads or fittings 7 Remove the electrical end caps Note that the quartz sleeve has not been factory installed Figu...

Page 7: ...Ensure the valves on either side of the disinfection unit are closed Open the main supply valve Open the valve on the discharge side of the disinfection unit Open the valve slowly on the feed side of...

Page 8: ...re attaching 3 Verify that the UV system is connected to the AC power voltage and operating properly 4 Turn the valves to the open position and let the water flow 5 Open all faucets fixtures and appl...

Page 9: ...n NOTE The UV power source is designed to shut down if the AC input voltage is outside its operating limits When a lamp failure alarm is activated you should unplug the unit from the AC power source w...

Page 10: ...wer source indicates the lamp change alarm by illuminating the red timer LED continuously and sounding the buzzer Note The UV lamp is not shut down in this alarm mode and the solenoid valve drive is n...

Page 11: ...p the lamp into the quartz as both are easily broken 3 Carefully slide the lamp out of the quartz sleeve and discard 4 Loosen and remove both end caps Roll back the o rings at both ends and remove Car...

Page 12: ...power source reset SYSTEM REPLACEMENT PARTS EXCELIGHT System Replacement UV Lamps Standard 4 pin 9000 rated hours Excelight EL411A UV Lamp 20W 450mm EL411L Excelight EL720A UV Lamp 32W 645mm EL720L Ex...

Page 13: ...Bacillus subtillis vegetative 11 000 Penicillum digitatum olive 88 000 Bacillus subtillis spore 58 000 Penicillum expensum olive 22 000 Clostridium tetani 22 000 Penicillum roqueforti green 26 400 Co...

Page 14: ...cus lactis 8 800 Common yeast cake 13 200 Streptococcus viridans 3 800 Saccharomyces ellipsoideus 13 200 Vibrio cholerae 6 500 Saccharomyces sp 17 600 The approximate dosages flow rate for Excelight u...

Page 15: ...the original one 1 year warranty period This warranty is also subject to the conditions and limitations outlined under the heading General Conditions and Limitations below Warranty for Replacement Lam...

Page 16: ...16 Waterite Inc 204 786 1604 204 783 1599 fax waterite waterite com www waterite com...

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