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26

Installation and Maintenance Manual

PROBLEM

POSSIBLE CAUSE

SUGGESTION

Unit not working.

- No power.

- Check the power outlet, plug connection, and 

the circuit breaker. Power switch is “ON”.

The refrigeration system is 

working but the agitator has 

stopped.

- The agitator motor has failed. - Replace agitator.

The refrigeration system is 

not cooling the water (the 

fan, compressor, and 

agitator are all working).

- No refrigerant gas.

- Over usage.

- Dispensing more water then 

machine rated capacity.

- Contact Technical assistance.

The refrigeration system is 

not cooling the water (the 

fan has stopped, but the 

compressor and agitator are 

still working).

- Condenser fan malfunction or    

seized due to excessive 

accumulation of lint.

- Clean or replace the motor/fan.

The refrigeration system is 

not cooling the water (the 

fan and compressor have 

stopped, the agitator is still 

working).

- Thermostat fault.

- Ice bath in Reservoir: 

Insu

  cient water level in 

Reservoir.

- Check thermostat.

- Add water to the 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 in short 

circuit.

- Compressor defective.

- Turn o

  the power, wait for 15 to 20 minutes, 

switch power back on. If problem persists call a 

service technician.

- Replace the relay.

- Replace the compressor.

The refrigeration system 

never stops and the water is 

solid ice.

- The thermostat fault.

- Room temperature too hot.

- Replace the thermostat.

- Move machine to lower temperature room.

The carbonator water pump 

makes a loud noise.

- Water pressure or supply is  

insu

  cient due to clogged 

Filters.

- Main water supply valve for   

the 

fi

 lter set to minimum.

- Loose mounting screws.

- Replace Filters.

- Check the supply valve and open to the 

maximum setting.

- Check the mounting screws and tighten if 

necessary.

The water temperature 

comes out warm.

- Thermostat fault.

- Insu

  cient water level in the 

Reservoir.

- Agitator has stopped.

- Over usage.

- Dispensing more water then 

machine rated capacity.

- Replace thermostat

- Add water to the Reservoir.

- Restart the unit or replace the agitator.

25. 

TROUBLESHOOTING:

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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