Natural Choice ION pure refreshment Technical & Service Manual

Summary of ION pure refreshment

  • Page 1

    Ncc7222-07 r2- 111207 t echnical s ervice m anual.

  • Page 2: Opening The Appliance

    • caution: unplug from electrical outlet before servicing • important: torx 20 screwdriver required • squeeze sides at arrows and lift • loosen 2 screws at top, rear • pull panel up at rear • then roll to right front corner • remove 3 screws left side • slide back 1 inch • tilt panel down to remove ...

  • Page 3

    Ncc7222-07 r2- 111207 control board front panel assembly filter access compressor hot tank led/ sleepmode sensor touch panel faucet power supply ice bank major components service view 2 led1 led2 sleep mode sensor.

  • Page 4: Instachill

    • uses a 20’ length of 1/4” od water coil inside a tank (called ice bank) filled with water and ice. • no reservoir of drinking water. • 3” thick slab of ice is formed on left side of ice bank. • ice bank pump circulates water in the ice bank, chilling the drinking water inside the water coil. • ice...

  • Page 5: Instachill

    Instachill ™ cooling system ncc7222-07 r2- 111207 4 inlet to ice bank from fill valve inlet to ice bank from filter stainless steel water coil alternate location for cold thermistor cold thermistor evaporator level sensor ice bank pump tee to hot or ambient water valve model 901 cold and ambient mod...

  • Page 6: Instachill

    Instachill ™ cooling system ncc7222-07 r2- 111207 5 model 904 cold, hot and sparkling model 905 cold, hot and ambient model 903 cold and sparkling.

  • Page 7: Water Pathway

    The water pathway inside the ion is sealed and pressurized in 1/4” od tubing (about 23’ total inside the appliance). Tap water supply tubing connects directly at the rear of the appliance to an inlet valve. After the inlet valve, the water is directed to the filter. After the filter, the water trave...

  • Page 8: Rapidhot

    Function – water from filter enters ice bank assembly, but is diverted with tee fitting and bypasses the ice bank water coil. Blue water tubing from ice bank assembly travels to hot water valve, attached to hot tank. Hot water tank is not pressurized, but extremely dangerous to service when filled w...

  • Page 9: Ion Software

    Revision level date notes/changes a july 30, 2006 production release. Sleepmode default is off filter settings at 1,500 gallons and 12 months b august 13, 2006 changed compressor cycle times c october 27, 2006 increased hot temperature settings d december 10, 2006 minor coding change e april 15, 200...

  • Page 10: Wiring Diagram

    W h it e touch panel -pin connector bl a c k hot tank temp sensor (tm3) part # 1785 display board ribbon cable 6 leds (2) 6 -conductor filter reset switch high voltage area see data plate for input specfication ground l1 24 vdc out ac line voltage in pin 4 = red pin 1 = black (yellow) overload 24 vd...

  • Page 11: Troubleshooting Guide

    Problem: water dispenses from cold or sparkling valve, but water not cold page 11 no water dispenses from cold or sparkling valve page 12 water dispenses from hot valve, but water not hot page 13 no water dispenses from hot valve page 14 low or no water flow page 15 blue led not on page 16 blinking ...

  • Page 12: Troubleshooting Chart

    Problem: water dispenses from cold or sparkling valve, but water not cold troubleshooting chart ncc7222-07 r2- 111207 11 cause action 1. Ion has been in sleepmode (with compressor off) for weekend or long holiday. 1. Allow ice to build over 3-4 hour time period. Optionally, program sleepmode to be o...

  • Page 13: Troubleshooting Guide

    Problem: no water dispenses from cold or sparkling valve important – do you hear both inlet valve and cold valve “double-click” when opening and closing? Inlet valve must open to allow water into ion. Dispensing valve then allows water out of appliance. Therefore, when dispensing water, you will hea...

  • Page 14: Troubleshooting Guide

    Troubleshooting guide ncc7222-07 r2- 111207 13 problem: water dispenses from hot valve, but water not hot cause action 1. On/off switch at back of ion 1. Turn to on position. 2. Wiring and connectors at control board 2. Check for continuity (not voltage) through the hot tank connector and wiring har...

  • Page 15: Troubleshooting Guide

    Troubleshooting guide ncc7222-07 r2- 111207 14 problem: no water dispenses from hot valve cause action 1. Are customers pressing both hot and safety button at same time? 1. Refer to instruction label inside filter door of appliance and notify customer. 2. Do you hear both inlet and dispensing valve ...

  • Page 16: Troubleshooting Guide

    Troubleshooting guide ncc7222-07 r2- 111207 15 cause action 1. Using 1/4” water supply tubing may restrict water flow, depend- ing on available water pressure inside building. 1. Change to 3/8” water supply tubing. 2. Inlet valve is quick connect fitting that requires cleanly cut 1/4” water supply t...

  • Page 17: Troubleshooting Guide

    Troubleshooting guide ncc7222-07 r2- 111207 16 cause action 1. Loose connection behind front panel at display board 1. Reconnect or replace as needed. 2. Ion in sleepmode 2. In very low light, after 5 minutes, ion goes into sleepmode (default setting) unless programmed off (see owners manual, progra...

  • Page 18: Troubleshooting Guide

    Troubleshooting guide ncc7222-07 r2- 111207 17 cause action 1. Level sensor timeout 1. Unplug ion and reconnect to electrical supply. Continue as need until ice bank is filled and led1 and led2 are both green and steady (with blue led under the faucet). This indicates normal operation. Problem: blin...

  • Page 19: Troubleshooting Guide

    Troubleshooting guide ncc7222-07 r2- 111207 18 cause action 1. Are cold and hot sensors (thermistors) in the correct position? 1. Check wiring diagram, remove, and reinsert. Caution - unplug ion before any contact with control board. 2. On models produced after september 1 … can you hear a single in...

  • Page 20: Troubleshooting Guide

    Troubleshooting guide ncc7222-07 r2- 111207 19 cause action 1. Filter not completely rotated into correct position. 1. Some filters (produced june 2007) have been spinwelded incorrectly and can only be rotated clockwise into ion to a certain point. If you want these filters replaced, contact the fac...

  • Page 21: Troubleshooting Guide

    Troubleshooting guide ncc7222-07 r2- 111207 20 cause action 1. On units produced prior to june 2007, a software bug may not allow the led’s to be reset to green. 1. Unplug the ion, and for first few seconds, the led’s will start out as green, quickly press the filter reset button and gold until you ...

  • Page 22: Frame Assembly

    Frame assembly ncc7222-07 r2- 111207 21.

  • Page 23

    Display valve assembly (models 903,904 only) ncc7222-07 r2- 111207 22 (for models 903, 904 only).

  • Page 24: Filter Manifold Assembly

    Ncc7222-07 r2- 111207 filter manifold assembly 23.

  • Page 25: Front Panel Assembly

    Front panel assembly ncc7222-07 r2- 111207 24.

  • Page 26: Dispensing Assembly – 901

    Dispensing assembly – 901 ncc7222-07 r2- 111207 25.

  • Page 27: Dispensing Assembly – 902

    Dispensing assembly – 902 ncc7222-07 r2- 111207 26.

  • Page 28: Dispensing Assembly – 903

    Dispensing assembly – 903 ncc7222-07 r2- 111207 27.

  • Page 29: Dispensing Assembly – 904

    Dispensing assembly – 904 ncc7222-07 r2- 111207 28.

  • Page 30: Ice Bank Assembly

    Ice bank assembly ncc7222-07 r2- 111207 29.

  • Page 31: Final Assembly

    Final assembly ncc7222-07 r2- 111207 30