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Refrigerator Service Manual

NX6 / NX8 / NXA Models

NX64 / NX84, NXA64 / NXA84 Display Codes

Indicators and Status

Meaning

All indicators are off, except the green POWER ON indicator.

The controls have been inactive for more than 10 seconds

and are in a “sleep” mode. Press and release either the

MODE or the TEMPERATURE SET button to “wake” the

controls for ten (10) seconds.

Green POWER ON indicator is on.
AUTO indicator is on.
AC indicator is on.

The refrigerator is operating in Auto mode and is using AC

electric as the power source.

Green POWER ON indicator is on.
AUTO indicator is on.
GAS indicator is on.

The refrigerator is operating in Auto mode and is using

propane gas as the power source.

Green POWER ON indicator is on.
AC indicator is on.

The refrigerator is operating in Manual AC electric mode.

Green POWER ON indicator is on.
GAS indicator is on.

The refrigerator is operating in Manual propane gas mode.

Table 6: NX64 / NX84, NXA64 / NXA84 Display Codes

Shut Down:

To shut down the refrigerator, push and hold the POWER ON/

OFF button for one second and then release.

Modes of Operation NX64 / NX84, NXA64 / NXA84 - cont’d.

Содержание NX61

Страница 1: ...tion for correct and safe operation Any other ventilation could cause lethal combustion exhaust fumes and or explosive propane gas fumes to be in the living area and or below deck Publication No 63610...

Страница 2: ...tic Segments Information 27 Ventilation 29 Roof Exhaust Venting 29 Air Intake Vent 29 Roof Exhaust Vent 29 Baffles 30 Vertical Enclosures 31 Double Sidewall Venting 35 Double Side Wall Venting 36 LP G...

Страница 3: ...g 28 Burner and Components 43 Fig 29 DC Heater 45 Fig 30 AC and DC Heaters 3 way refrigerator 46 Fig 31 Lamp Thermistor Assembly 46 Fig 32 AC Heater 46 Fig 33 AC Power Cord 47 Fig 34 Fan Mounted on To...

Страница 4: ...r LP gas propane pressure Btu h AC voltage and amperage DC voltage and amperage Design certification Vent kit requirement INTRODUCTION Certification and Code Requirements NORCOLD NX6X NX8X NXA6X NXA8X...

Страница 5: ...Pewter Royce wrapped 9 Fan Blank No fan F Equipped 1 Fan F2 Equipped 2 Fans V Equipped 1 High Velocity Fan 10 Door swing L Left hand door swing R Right hand door swing 11 P Black acrylic door panels...

Страница 6: ...contains ammonia hydrogen and sodium chromate Ammonia can cause severe skin and eye burns Hydrogen is highly flammable can ignite and burns with an intense flame Certain chromium compounds such as sod...

Страница 7: ...partment HxW NX61 NX64 NXA64 32 25 32 in x 21 19 32 in NX81 NX84 NXA84 39 25 32 in x 21 19 32 in DC power DC input voltage requirements 10 5VDC to 15 4VDC DC Fuse F1 on Power Board Automotive Blade Ty...

Страница 8: ...sulation interfering with the ventilation process Construction material or debris left in the enclosure Insect screen covering vents Plastic sheeting covering vents Items stored in the enclosure Modif...

Страница 9: ...with the existing weak solution WS The ammonia vapor AV rises and enters the condenser where it condenses liquefies into pure liquid ammonia LA The liquid ammonia via gravity drops into the tubular c...

Страница 10: ...optical display then relays this information to the power board that then turns on off the appropriate heat source accordingly The optical display board power board thermistor and other components wit...

Страница 11: ...he high voltage transformer T1 are carried out to the burner via the spark sense electrode wire As the energy pulses reach the end of the electrode they jump across the gap between the electrode and t...

Страница 12: ...rrent Turning ON OFF the gas valve output Turning ON OFF the igniter output Determining the presence of a flame Communicating with the Optical Display Board Communicating with the DC Board 3 way model...

Страница 13: ...allowing the flame to extinguish If for some reason the flame goes away while there is a call for cooling the power board will turn the high voltage transformer back on and attempt to re ignite the p...

Страница 14: ...ckup operating mode allowing the refrigerator to continue cooling until it can be serviced Temperature set points and BOS duty cycles for each model are as follows NX61 NX81 MODELS Temperature Setting...

Страница 15: ...asses through the now closed K3 contacts to terminal P1 5 of the power board The DC ground connection terminal GND is electrically tied to power board terminal P1 3 This auxiliary output will be prese...

Страница 16: ...on The glass 8 amp fuse F2 on the Power Board is intact Replace Power Board Manual LP Mode A flame was NOT established or a flame was NOT sensed Verify All LP gas shutoff valves including manual shuto...

Страница 17: ...ld this fault continue to be displayed after being reset the Power Board should be replaced This fault can be displayed in ANY MODE NORCOLD A MODE COLD COLDEST Power ON indicator light flashes ON thre...

Страница 18: ...e then falls below 10 0 VDC the gas valve will remain energized and no fault will be displayed This fault can only be displayed in the Auto and Manual LP modes Verify That the battery charging equipme...

Страница 19: ...beneath the refrigerator doors top trim piece When the magnet is close to the reed switch door closed the light remains off when the magnet is away from the reed switch door open the light is turned...

Страница 20: ...lts and is used to power ON the display Note The On Off switch E is a momentary push button switch The operation described above takes place during the split second the On Off button is depressed to p...

Страница 21: ...3 P1 ON OFF Exaggerated view Vreg 1 2 3 4 5 P2 P1 U1 K2 K5 K4 K3 K1 YL GN JN VE GN VE BK NR WH RD BC RG WH VT BC VT GN VE WH BC POWER BOARD DISPLAY BOARD A C D E B 12VDC VCD BAT POS BU BL 12VDC VCD BA...

Страница 22: ...ode to burner air gap is between 1 8 and 3 16 The spark sense igniter wire is installed correctly and in good operating condition NX64 NX84 NXA64 NXA84 Fault Codes Meaning This fault is a combination...

Страница 23: ...present when there should not be This fault can be displayed in ANY MODE Replace the gas valve Meaning The Power Board detected an internal fault This fault can be reset by powering the refrigerator O...

Страница 24: ...DC All outputs are inhibited This fault will automatically reset and outputs will be allowed to operate once the DC input voltage rises above 9 0 VDC above 10 5 for 3 way models This fault can be dis...

Страница 25: ...ermistor to be inoperable This fault is only displayed while the optical display is awake To wake the display press and release either the Mode or Temp Set buttons If there is a problem sensed with th...

Страница 26: ...ber and diagnostic information Information made up of four letters or digits displays in an alternating sequence Fault history live inputs and outputs is presented using LED segments The diagnostic LE...

Страница 27: ...3 Initial View Diagnostic Screen 3 Second View NOR000125A 3 Screen 4 Stored Fault History Screen 4 displays stored fault history using lighted LED segments Refer to illustration below for fault histo...

Страница 28: ...s using lighted LED segments The following illustration provides definitions of the live outputs indicated by the individual LED segments If a power board output is active or live its assigned output...

Страница 29: ...haust vent with four screws The cap is always installed with the slope towards the front of the RV Air Intake Vent The ventilation and combustion air flow into the enclosure through the air intake ven...

Страница 30: ...ing unit and the interior surface of the outside wall exceeds one inch Fig 11 Rear View Roof Exhaust Venting Fig 12 Baffles Required for an Inboard Roof Exhaust Vent Installation Intake vent Condenser...

Страница 31: ...6 0 in ma x R E F R efrigerator heightoverall w trim N6XX 54 5 in N8XX 61 5 in N109X 59 7 in R efrigerator width overall w trim N6XX 24 6 in N8XX 24 6 in N109X 24 8 in NOR000118B R efrigerator width o...

Страница 32: ...bottom of enclosure 18 18 50 in 622293 R oof exhaustcap and 616319 R oof exhaustvent Distance between box baffle an d condenser must be 1 in or less Distance between baffle an d top of refrigerator m...

Страница 33: ...RE F N8XX and N109X 55 7 in min 56 0 in max R E F R efrigerator height overall w trim N6XX 54 5 in N8XX 61 5 in N109X 59 7 in R efrigerator width overall w trim N6XX 24 6 in N8XX 24 6 in N109X 24 8 i...

Страница 34: ...tca p and 616139 R oof exhaust vent Distance between box baffle and condenser must be 1 in or less Distance between baffle an d top of refrigerator mus t be less than 25 in Baffles must be 45 or less...

Страница 35: ...nting guidelines for double sidewall vent applications This work was done to ensure NORCOLD refrigerators meet the ANSI Z21 19 standards for cooling performance when used in slide out applications The...

Страница 36: ...ame Fa n E nclosure depths of more than 24 in and less than 26 in Minimum distance between the bottom of the enclosure and the top of the upper vent opening N6XX m odels 55 in N8XX and N109X models 62...

Страница 37: ...mo dels 62 in 621156 Vent 13 75 high x 21 50 wide rough opening R O Center vent R O in enclosure width E nclosure widths N6XX 23 50 23 63 in N8XX 23 50 23 63 in N109X 23 50 23 63 in En closure height...

Страница 38: ...assembly LP15 orifice shown Electrode Canister Burner Flue tube Baffle Burner tube Burner box base RV LP gas supply Gas valve Gas inlet fitting Gas outlet fitting Manual shut off shown closed WARNING...

Страница 39: ...er servicing replacing or repairing any LP gas system component Solenoid Gas Valves The manual shut off valve and the pressure tap are integrated into the solenoid gas valve To manually shut off gas t...

Страница 40: ...f the three openings will have an effect on the fuel air mixture Insufficient combustion air will cause carbon deposits to clog the burner slots Carbon clogged burner slots along with heavy dirt depos...

Страница 41: ...ce may be affected if the heat deflector is not installed or is not installed correctly Spiral Baffle The spiral baffle traps and transfers heat to the cooling unit generator See Fig 24 A retaining wi...

Страница 42: ...ondition of the orifice assembly is questionable 12 Clean any accumulation of dirt or debris from the burner box base 13 Reinstall the burner Do not over tighten the burner s retaining screw 14 Instal...

Страница 43: ...ervice Manual Burner tube Electrode Canister Burner Flue Baffle Orifice adapter with LP15 orifice Fig 27 Drip Cup and Burner Box Cover LP Gas System cont d NOR000091A Solenoid gas valve manual shut of...

Страница 44: ...in Gas Supply Lines Gas valve and igniter outputs will be turned off LP Gas mode will be locked out Fault code displayed on the optical display NX61 NX81 Power ON indicator is SOLID RED NX64 NX84 NXA...

Страница 45: ...color automotive blade type fuse It is located on the power board labeled F1 DC Heater 3 Way Refrigerators Only The DC heater shown in Fig 29 is a cartridge type heater The DC heater is rated for 280...

Страница 46: ...istance of 46 to 51 ohms AC Power Requirements AUTO AC and AC Manual Mode operation requires 108 to 132 VAC AC power must be supplied through a 2 pole 3 wire 20 amp grounding type receptacle AC Heater...

Страница 47: ...talled 12VDC ventilation fan All sidewall vented units must be equipped with a ventilation fan to prevent combustion gases and hot ventilation air from stagnating in the enclosure Ventilation fans are...

Страница 48: ...tch opens the electronic controls will disable ALL heat source outputs and the Open High Limit error fault code will be displayed on the optical display Refer to Fault Code sections Reset the thermal...

Страница 49: ...vices for guidance Poor or No Cooling on DC Mode 3 Way Models Troubleshooting Cooling Faults A high percentage of cooling units returned labeled faulty are fully operational units To troubleshoot cool...

Страница 50: ...Reset Thermal Switch and monitor carefully for normal operation Refrigerator operating leveled Ventilation as per installation instructions Is Cooling Unit equipped with high temp thermal switch YES...

Страница 51: ...correct ventilation and operation at coldest setting for a period of 8 12 hours Freezer 5 F to 10 F Fin temperature 18 F to 25 F Door gaskets sealing properly Refrigerator temperatures normal Visual...

Страница 52: ...G B U B L WH VT BC VT GN VE WH BC RD RG RD RG BK NR BK NR 120VCA 120VAC BATTERY ACCUMULATEUR POWER BOARD BEST DISPLAY BOARD MEILLEUR CARTE D AFFICHAGE BETTER DISPLAY BOARD MIEUX CARTE D AFFICHAGE N N...

Страница 53: ...30 AMP F1 K M L1 L2 P1 5 POWER BOARD 4 P2 T1 5 AMP AC_HT_HI_2 LIMIT_IN LIMIT_OUT AC_HT_LO AC_HT_HI AC_HT_LO_2 GND 12VDC 10 7 6 1 10 1 3 2 5 1 1 1 2 3 6 1 8 AMP F2 F1 DISPLAY BOARD B A N L F D C I J H...

Страница 54: ...icable mode indicator s 277 278 and 279 will come on Select one of three 3 modes of operation Mode Meaning AUTO mode The refrigerator s electronic control automatically select the most efficient energ...

Страница 55: ...C electric 285 Manual mode AC electric 283 Manual mode gas 284 Manual mode DC electric 286 AUTO mode The refrigerator s electronic controls automatically select the most efficient energy source that i...

Страница 56: ...rigerator is operating in Auto mode and is using AC electric as the power source Green POWER ON indicator is on AUTO indicator is on GAS indicator is on The refrigerator is operating in Auto mode and...

Страница 57: ...rminal White neutral N The insulated male quick connect terminal is the 120 VAC neutral N conductor Brown supplies 120 VAC power to the water valve solenoid during the fill cycle It connects to water...

Страница 58: ...et strainer D Test water valve operation refer to page 60 Ice Maker Troubleshooting Chart Fig 46 Ice Maker Mounting Hardware Replacing the Ice Maker To remove the existing ice maker see Fig 46 1 Unplu...

Страница 59: ...ly after hearing the click sound or 15 seconds after shorting terminals T and H Failing remove jumper wire will cause damage to the heater and or overheat the mold which will ruin the ice maker NOTE D...

Страница 60: ...should be in the center of the module housing hole alignment indicator With the hole centered the water valve should remain open approximately 7 5 seconds Low Ice Yield The thermostat initiates the c...

Страница 61: ...the off position 3 Disconnect the garden hose adapter from the water valve 4 Disconnect the ice maker water supply line from the water valve Do not unwrap the water line heater wire from the water va...

Страница 62: ...mal Fuse Thermal Fuse L Mold Heater H Switch Shut off arm Thermostat NC NO OFF T N White NC NC NO NO Brown Solenoid water valve V Fill switch Motor switch M Motor Ground Green Black Fig 54 NX64IM NX84...

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