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WL400 

Manual                                                                                                                                    Page 53 – Revision: 7‐16‐2018 

      

WARNING!  

HOT CIRCUIT IS NOT SANITIZED.   

Water in the hot circuit is not sanitary until the temperature exceeds 171

°

F (77

°

C) for at least 5 

minutes. 

 

UV System Functional Test 
 

       

WARNING!

  

ULTRAVIOLET RADIATION.

  Protect your skin and eyes against ultraviolet rays.  

Never look directly at an operating UV light.  Disconnect wiring before removing. 

 

28.

 

Remove UV Firewall™ Lamp from Firewall™ housing.  Remove Top Cover from Firewall™ housing.  
Carefully remove Quartz Sleeve Spiral from Firewall™ Housing and inspect for cracks or other 
damage.  Reinsert Quartz Sleeve Spiral, replace top cover of housing.  Inspect UV lamp and 
reinsert into Housing. 
 

29.

 

Press Dispensing Button and check for blue glow from top of Firewall™ Housing and at Faucet 
dispensing area to ensure UV lamp is operational.  

 

30.

 

Disconnect UV lamp to test UV lamp sensor operation.  Unit 
should alarm and UV Icon on display will light. 

 
 
 
 

31.

 

Disconnect power to 

WL400

 

Water Treatment System.

 

 

32.

 

Reconnect UV lamp. 

 

33.

 

Connect power to 

WL400

 

Water Treatment System.

 

 

Compressor Test 
 

34.

 

Switch Green Heater/Compressor to on 

I=ON 

position.  Always ensure tanks are 

full of water before turning on the heater or the overloads (high limit) will open 
and require manual reset.  If the wire condenser at back of the unit is warm, the 
refrigeration system is working.    

 

 

 

35.

 

Once the 

WL400 Water Treatment System

 reaches its target temperature, the compressor will 

shut off.  Draw a glass of cold water and verify it is has been chilled to proper temperature. 

 

Heater Test 

Summary of Contents for WL400 Series

Page 1: ...ing of the drip tray drain Sanitization of Machine Materials Needed Personal Protective Equipment Rubber or Nitrile Safety Gloves and Protective Eyewear Phillips Screwdriver Temperature Gauge Water Pi...

Page 2: ...h limit will require manual reset if heater is turned on with an empty hot tank Fill the Cold Circuit with Sanitizer 5 Depress the Main Dispensing Button on the Front Control Panel until cold water sa...

Page 3: ...e and or pressure or an unusual taste in the water 10 CAUTION NEVER TURN ON HEATER BEFORE FILLING HOT TANK Green Heater Compressor Switch must be in the O OFF position while the hot tank is empty Dama...

Page 4: ...f cabinet Turn on water supply and flush RO system to drain for 4 hours Water should be draining from both Water Out line and the Drain Line 21 After 4 hours of flushing turn Off Incoming Water Connec...

Page 5: ...g 29 Press Dispensing Button and check for blue glow from top of Firewall Housing and at Faucet dispensing area to ensure UV lamp is operational 30 Disconnect UV lamp to test UV lamp sensor operation...

Page 6: ...and require manual reset It will take the heater approximately 10 minutes to heat the water from ambient 75 F 24 C to the factory set point of 185 F 85 C Dispense a cup of hot water to ensure the temp...

Page 7: ...and equipment drains catch basin etc to scalding hot water Disable Cold and Hot Tanks 1 Turn off the Green Heater Compressor switch to disable the heater and compressor 2 Dispense 1 liter of water th...

Page 8: ...nk 10 Remove Drain Caps and Plug from Cold Water Tank Drain on the back of the WL400 Water Treatment System 11 Open Bladder Tank 12 After unit has finished draining replace Plug and Drain Caps 13 Reco...

Page 9: ...16 2018 BASE CABINET ASSEMBLY 1 Insert the four corner supports into the base panel Secure with one screw to the bottom of each upright 2 Place Top Panel on to the corner supports Secure with two scr...

Page 10: ...0 Manual Page 58 Revision 7 16 2018 3 Fix the back panel into the base panel and secure with four screws 4 Fix the side panels into the base panel and secure with two screws in each through the top pa...

Page 11: ...n 7 16 2018 5 Place the WL400 Counter Top onto the base cabinet Secure as shown 6 Attach the door strap to the door using the three short screws Align bottom of door into the base panel and attach doo...

Page 12: ...way from excessive humidity Never expose to freezing temperatures Ensure there is adequate clearance around the unit to allow refrigeration system condenser to dissipate heat Warmer environments requi...

Page 13: ...System c Pull cover forward and lift from the front to open top cover d Locate wires and run them through 5 Connect Wires Quick Connect Clips on back of unit from Base Cabinet to WL400 6 Remove Pre Ca...

Page 14: ...Water should be draining from both Water Out Line and Drain Lines 12 After 4 hours turn off Incoming Water Connect Water Out Line from Base Cabinet to drain water in fitting on WL400 Water Treatment...

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