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27

Installation and Maintenance Manual

PROBLEM

POSSIBLE CAUSE

SUGGESTION

The water has an unusual 

taste.

- Filters clogged.

CO

2

 used was not for 

drinking water.

- Incoming water quality

- Replace Filters.

- Check the type of 

CO

2

 (UN 1013). If necessary, 

change the tank.

- Clean & Sanitize the faucets.

Water is not su

  ciently 

carbonated.

CO

2

 pressure is too low.

CO

2

 Cylinder is empty.

- Incorrect functioning of the 

pump and motor.

- Accumulation of air in the 

carbonator tank.

- Adjust the pressure regulator so that 

CO

2

  

pressure is between 60 to 65 PSI.

- Replace the 

CO

2

 Cylinder.

- Check that the motor and pump are working 

well.

- Let the air out by lifting the black lever on the 

head of the carbonator tank’s pressure relief 

valve for 1 to 2 seconds.

CO

2

 gas runs out too fast

- There may be a leak in the 

supply line, connectors or 

valve.

- With a paintbrush, soap and water, wash the 

external lines tubing of the 

CO

2

 Cylinder so as 

to pinpoint the leakage.

- Replace defective valve, regulator/gasket or 

tubes.

CO

2

 gas comes out of the 

carbonated water faucet 

(green handle).

CO

2

 water dispenses too fast.

- Insu

  cient water supply.

- Filters clogged

- Water pump not working.

CO

2

 tank 

fl

 oat switch fault.

- Adjust Flow Compensator Valve to 

proper dispense setting (1 liter/15 sec).

- Replace Filters.

- Check or replace the water pump.

- Check 

CO

2

 tank 

fl

 oat switch.

Carbonated water squirts 

out of the still water faucet.

-  Still faucet from 

CO

2

 tank 

check valve, possibly stuck 

open. 

- Clean or replace if defective.

Water does not come out of 

the faucet.

- The water is frozen around 

the coils.

- Water tubes are kinked.

- The Flow Compensator Valve 

is in closed position.

- Water Leak Protection Device 

tripped.

-If ice has formed in the Reservoir and is 

touching the water coil, check agitator motor.

- Verify plumbing supply line to machine is not 

pinched or kinked.

- Adjust Flow Compensator Valve to 

proper dispense setting (1 liter/15 sec).

- Reset by depressing red lever on Water Leak 

Protection Device.

Water comes out very slowly.

- Water tubes are kinked.

- Water shut-o

  valve closed or 

set to minimum.

- Sediment or Carbon Filter 

blocked or excessively dirty.

- Water pressure is too low.

- Water pressure valve 

regulator malfunction.

- Check and clean the tubes.

- Open completely the water supply line 

shut-o

  valve. 

- Replace Filters. 

- Check the water pressure to the unit 

(pressure should be no less that 45 PSI).

- Check the main water supply line.

Summary of Contents for NWSBU2 SER.4

Page 1: ...MAINTENANCE GUIDE FOR NATURA Water LLC 222 East Campus View Blvd Columbus Ohio 43235 U S A NATURA MODEL NWSB SER 4 COUNTERTOP WATER DISPENSER Aquarius Series NATURA MODEL NWSBU2 SER 4 REMOTE CHILLER...

Page 2: ...R INSTALLATION STEP 2 10 WATER INLET FILTRATION INSTALLATION STEP 3 11 WATER INLET FILTRATION INSTALLATION STEP 4 12 CO2 SUPPLY SYSTEM INSTALLATION 13 COUNTER TOP MODEL INSTALLATION 14 COUNTER TOP MOD...

Page 3: ...LA Minimum Ambient Temperature 40 F 4 5 C Maximum Ambient Temperature 104 F 40 C Inlet Water Pressure 45 PSI to 120 PSI If your inlet water pressure does not meet this minimum pressure requirement you...

Page 4: ...g the unit do not use corrosive acidic products or metal brushes o Do not wash the unit using high pressure water o Connect to a water supply with a pressure of 45 to 120 PSI o The unit must be connec...

Page 5: ...oth sides and 2 inches in back for proper ventilation o For Remote Chiller Model provide ventilated cabinet doors and sides to allow for fresh air into the evaporator coil side and exhaust air out sid...

Page 6: ...ke sure the outer surface of the tube is clear of marks or scratches for a length equal to the O ring thickness to seat properly against the tube 3 Avoid sharp changes in direction when routing the tu...

Page 7: ...FILTRATION SYSTEM REFRIGERATION CARBONATION SYSTEM CO2 SUPPLY SYSTEM NOTE GROUND FAULT CIRCUIT INTERRUPTER GFCI OUTLET RECOMMENDED NOTE CO2 CYLINDER SUPPLIED BY CUSTOMER 10 15 20 LBS CUSTOMER SUPPLIED...

Page 8: ...WALL MOUNT BRACKET BRAIDED HOSE 1 Connect the components in order as shown above Additional assembly adjustment will be required for the Water Leak Protection Device This is detailed in Section 18 NOT...

Page 9: ...as shown above Additional assembly adjustment will be required for the Water Leak Protection Device This is detailed in Section 18 ADAPTER FITTING WATER BLOCK ADAPTER ADAPTER FITTING CUSTOMER SUPPLIE...

Page 10: ...securing the Filter Bracket to the Filter Manifold 3 Secure the Filter Bracket to the wall or other structure using the proper fasteners The Filter Bracket can be turned over for space requirements Th...

Page 11: ...nnect the components in order as shown above 2 Connect 3 8 O D tube from Water Pressure Regulator exit port to the 3 8 elbow inlet port on the Filter Set 1 Cut 3 8 O D tubing to appropriate length 2 C...

Page 12: ...lve 5 Attach the Pressure Regulator to the Cylinder Valve and tighten it firmly Ensure that the supplied Seal O ring is between the CO2 Cylinder Valve and Pressure Regulator fitting 6 Connect the 1 4...

Page 13: ...ting at the rear of the unit 2 Connect the 1 4 O D CO2 tube from the CO2 Cylinder Pressure Regulator to the 1 4 Elbow Fitting at the rear of the unit FROM CO2 CYLINDER FROM FILTER SET STILL WATER TAP...

Page 14: ...ly Push the Tap all the way back into the fitting 4 Screw the Front Panel Fitting to the Tap body To tighten turn the chrome ring on the Front Panel Fitting counter clockwise 5 The Tap should have a t...

Page 15: ...BOW LOCKING CLIP SHANK ADAPTER NUT 1 Assemble the Shank Washer Shank Fitting Shank Adapter Nut Locking Clip and Reducing Elbow as show in the illustration above 2 The Shank Adapter Nut should be hand...

Page 16: ...bing into the tubing insulation provided 2 Connect the 5 16 O D tubing to the left elbow quick connect fitting on the front of the unit 3 Connect the other end of the 5 16 O D tubing to the inlet of t...

Page 17: ...6 Union Fitting on the right side of the Dispense Tower Note This fitting may be a 1 4 x 5 16 reducing fitting or a 5 16 union fitting depending on the Dispense Tower model Remote Chiller Model Connec...

Page 18: ...1liter 15 sec However it may be necessary to adjust this in the field To adjust the flow insert a 6mm Allen wrench into the adjustment screw of the Compensator Valve Turning clockwise the flow rate wi...

Page 19: ...h a valve adjustment 4 To adjust the device separate the two black plastic housings 5 The adjustment location is on the external threaded end of the main housing 6 Insert the key provided into the adj...

Page 20: ...lve located on the carbonator tank by pushing down on the Pressure Relief Ring as shown below Keep it open until water flows from the valve then close it 5 Draw 2 gallons of water from each tap to cle...

Page 21: ...10 Turn the power switch to the ON position The switch will illuminate to indicate that the power is on 11 Adjust the CO2 water flow Left Tap to 1Liter 15 sec flow rate using the Flow Adjustment Lever...

Page 22: ...the front right corner The Drip Tray has a large hole to allow condensation to run freely into the drip tray For this hole to be aligned properly the Drip Tray must be centered left to right and push...

Page 23: ...blespoons of bleach Scrub with a brush or sponge Rinse thoroughly with clean water 9 Clean the O Ring groove and O ring Lubricate the O ring with food grade silicone grease Place the O ring back into...

Page 24: ...ot water on a daily basis Be sure to replace the Drip Tray to its proper location 6 The external stainless steel surface of the cabinet should be cleaned and polished periodically with a non abrasive...

Page 25: ...ILL 6 036289 012 DRIP TRAY 7 036311 201 STILL WATER TAP ASSY 8 036311 202 CO2 COMPENSATED TAP ASSY 9 036387 003 BACKFLOW PREVENTER 10 036535 004 STIRRING PUMP ITEM PART NO DESCRIPTION 11 036544 102 WA...

Page 26: ...HANK ASSY 7 036387 003 BACKFLOW PREVENTER 8 036535 004 STIRRING PUMP 9 036544 102 WATER PUMP 10 038324 004 FRONT PANEL ITEM PART NO DESCRIPTION 11 038327 004 TOP 12 038343 002 ICE BANK CONTROL 13 0383...

Page 27: ...e Reservoir The refrigeration system is not cooling the water the compressor has stopped the fan and agitator are still working The thermal compressor protector has been activated Compressor relay is...

Page 28: ...nt water supply Filters clogged Water pump not working CO2 tank float switch fault Adjust Flow Compensator Valve to proper dispense setting 1 liter 15 sec Replace Filters Check or replace the water pu...

Page 29: ...www naturawater com For technical support contact the Technical Service Department Distributor or Vendor of the unit Or you may contact TECHNICAL ASSISTANCE AND MAINTENANCE 26 CONTACT INFORMATION 036...

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