Norcold N611V SERIES Service Manual Download Page 1 | Manualshive

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Norcold N611V SERIES Service Manual Download Page 1

DO NOT install this refrigerator in below deck marine applications. Do not
install this refrigerator in fi xed indoor cabin or other dwelling applications. This
refrigerator must use only NORCOLD designed and approved outside air intake
and exhaust ventilation 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. 636355 A (15-01-2014)

© 2013 NORCOLD, INC. All rights reserved.

Service Manual

N811v Series

N611v Series

MODELS

!

WARNING

Gas / Electric Refrigerators

Questions?/Des questions?/¿Preguntas? 1-800-444-7210

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Summary of Contents for N611V SERIES

Page 1: ...tside air intake and exhaust ventilation 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 636355 A 15 01 2014 2013 NORCOLD INC All rights reserved Service Manual N811v Series N611v Series MODELS WARNING Gas Electric Refrigerators Questions Des questions Pregu...

Page 2: ...ls 23 Gas Safety Valve Test 23 Electrical Requirements and Components 24 DC Voltage Requirements and Polarity 24 DC Power Wiring Requirements 24 AC DC Converter as Power Source 24 12VDC Ventilation Fan 24 Cooling Unit 26 Cooling System Monitoring 26 Troubleshooting Cooling Faults 26 Refrigerant Leakage 26 Disposal of Cooling Unit 26 Cooling System Diagnostic Flowchart 27 Wiring Pictorial 29 Modes ...

Page 3: ...perage Design certification Vent kit requirement INTRODUCTION Certification and Code Requirements NORCOLD N611v N811v gas electric absorption refrigerators are certified under the latest edition of ANSI Z21 19B standards for installation in mobile homes or recreational vehicles and with the Canadian Standards Association CAN CGA 1 4 M94 Electrical components are compliant About Installation Refrig...

Page 4: ...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 12 Packaging Type Blank Corrugated packaging T Returnable packaging tray M6 6 unit multi pack N X 6 1 0 3 IM C BK X R P T xxxxxxxxxxxxxxx xxxxxxxxxxxx xxxxxxxxxxxxxxx xxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx ...

Page 5: ...ins 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 sodium chromate are carcinogenic Do not use extension cords Do not remove the grounding prong from the refrigerator AC power cord Do not use a two prong adapter to connect the refrigerator to the AC outlet Do...

Page 6: ...utomotive Blade Type APR 5A Tan Divider Heater 3 1W 12VDC 43Ω to 50Ω Current 240mA to 279mA 12VDC Gas Valve 1 75W 12VDC 74Ω to 92Ω Current 130mA to 162mA 12VDC Interior Light GE 214 Miniature Automotive Light Bulb A 13 5VDC AC power AC input voltage requirements 108VAC to 132VAC AC Fuse F2 on Power Board AGC Series 8A Fast Acting Glass Tube 1 4 in x 1 1 4 in AC Heater 300W 120VAC 46Ω to 51Ω Curren...

Page 7: ...insulation 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 Modifications to vents or enclosure No roof or sidewall vent openings Leveled Operation The circulation of the refrigerant through the cooling unit is accomplished by gravity flow therefore the refrigera...

Page 8: ...h 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 coil of the freezer and cabinet evaporators and wets the internal surface of the tubes The weak ammonia hydrogen gas that was previously released at the top of the absorber coil passes over the wetted surf...

Page 9: ... 85VAC If the voltage is above 85VAC the determination is that AC voltage is available and the optical display board will request the power board to operate via the Auto AC Mode If the voltage is below 85VAC the determination is that AC voltage is NOT available and the optical display board will automatically default to the Auto LP Gas Mode and request the power board to operate via the Auto LP Ga...

Page 10: ...y while there is a call for cooling the power board will turn the high voltage transformer back on and attempt to re ignite the propane For safety reasons the sparking at the burner trial for ignition time will last a maximum of 30 seconds at which time the gas valve high voltage transformer outputs will be turned off and the LP Gas mode will be locked out The electronic controls will automaticall...

Page 11: ...rt to this backup operating mode allowing the refrigerator to continue cooling until it can be serviced Theory of Operation Backup Operating System BOS Mode The power board measures the thermistor value and communicates it to the optical display board Should it sense the thermistor is inoperable electrically shorted open unplugged damaged etc the optical display board will activate the BOS mode Wh...

Page 12: ...Solid Red Indicator Light on page 13 Red flashes on two 2 times every five 5 seconds This is a fault within the refrigerator controls Refer to Fault Flash Pattern 2 Service Error on page 14 Red flashes on three 3 times every five 5 seconds The temperature high limit switch is open Refer to Fault Flash Pattern 3 Open High Limit on page 14 Red flashes on four 4 times every five 5 seconds This is a p...

Page 13: ... fault code 3 will be indicated by flashing the power ON indicator light RED 3 times followed by a 5 second pause and then repeated as long as the fault condition is present See Fig 4 below NOR000123A Fig 4 Flash Patterns Fault Code Flash Patterns Because the AC voltage was sensed to be out of tolerance the refrigerator defaulted to LP gas mode While in Auto LP gas mode either a flame was not esta...

Page 14: ... has it tripped If no verify wiring is connected properly Refer to Wiring Pictorial on page 29 for proper connection Contact Customer Service NOR000127 3A CODE 3 Power ON indicator light flashes ON three times OFF for 5 seconds repeats Fault Flash Pattern 4 AC Relay Error Flash Pattern 4 AC heater relay contacts of relay K2 on the Power Board are stuck closed Replace Power Board NOR000127 4A CODE ...

Page 15: ...s The light switch a magnetically activated reed switch attached to the optical display board is activated by a magnet located 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 on The open closed status of the reed switch is monitored by the optical d...

Page 16: ...gh the On Off switch and back to the Power Board via the blue wire F connected between the Display Board at P1 3 and the Power Board at P2 3 Once the 12VDC reaches the Power Board a signal is sent out to the coil of relay K3 G via the U1 microprocessor This signal allows the K3 relay to energize thus closing the normally open contacts H Fig 5A Thermistor Fig 5B Thermistor in Ice K3 is a latching r...

Page 17: ...PLAY BOARD A C D E B 12VDC VCD BAT POS BU BL 12VDC VCD BAT NEG Blank Display Continuous 12 Volts Operation Overview Fault Codes cont d Fig 6 Continuous 12 Volt NOR000072A 12VDC GND LIMIT_OUT LIMIT_IN AC_HT_HI_2 AC_HT_HI AC_HT_LO AC_HT_LO_2 L1 L2 4 1 2 3 5 6 1 2 5 3 4 6 7 8 9 10 1 2 K2 K5 K3 K1 K4 F2 8 Amp F1 5 Amp P3 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...

Page 18: ...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 When working on or near the LP gas system Do not smoke or light fires Extinguish all open flames Do not use an open flame to leak test any of the LP gas system components LP gas is highly flammable an...

Page 19: ...pane gas to the burner When replacing the orifice always use the size orifice specified Using the wrong size or a damaged orifice will alter the amount of propane flowing to the burner Refer to Fig 10 Burner The burner see Fig 11 provides primary air access and acts as the fuel mixing chamber to support ignition and the combustion of propane gas Primary combustion air flows into the burner through...

Page 20: ...ay 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 13 A retaining wire suspends the spiral baffle in the flue just above the flame See Fig 14 The spiral baffle should be checked annually To remove the spiral baffle from the flue 1 Remove the heat deflector 2 Unclip the ba...

Page 21: ...if the condition 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 Install the orifice assembly First thread the orifice assembly into the burner finger tight then finish tightening using two wrenches 15 Connect the burner tube First thread the fitting finger tight...

Page 22: ...v N811v Models Burner tube Electrode Canister Burner Flue Baffle Orifice adapter with LP15 orifice Fig 16 Drip Cup and Burner Box Cover LP Gas System cont d NOR000091A Solenoid gas valve manual shut off Drip Cup Burner Box Cover Fig 17 Burner and Components ...

Page 23: ...e will be locked out Power ON indicator is SOLID RED Reset a Gas Lockout Condition All Models To reset a gas lockout condition power the refrigerator Off and back ON The amount of air in the LP gas supply lines determines if the procedure needs to be repeated several times 1 Open lower intake vent at refrigerator rear 2 Remove both white wires from gas valve solenoid 3 Insert volt ohm meter leads ...

Page 24: ...d The use of undersized wires can cause low voltage and high amp draw conditions The high amp draw caused by a circuit using undersized wires will cause the wire to overheat and creates an electrical fire hazard AC Power Cord The AC power cord shown in Fig 18 is used on units without ice maker On all AC power cords the round side of the plug that connects to the power board faces the left side of ...

Page 25: ...t d NOR000098A NOR000095A 12VDC input to thermostatic switch Fan thermostatic switch 12VDC wire to fan connection Fig 22 NORCOLD Fan Kit Wiring Pictorial Fig 21 Fan with Installed NORCOLD Fan Kit Fan thermostatic switch Fan 12 Vdc connection 12 Vdc connection 1 amp in line fuse R e d w ir e t o t h e r m a l s w it c h R e d w i r e t o f a n POWER BOARD Red Spliced Wire 1AMP FUSE Red Fan Wire Red...

Page 26: ...any liquid waste or residue according to pre emergency planning and all applicable local state and federal regulations Do not under any circumstances release any waste or residue directly into sewers or surface waters If any liquid leaks or spills from the cooling unit contact the nearest environmental services for guidance Troubleshooting Cooling Faults A high percentage of cooling units returned...

Page 27: ...ration Refrigerator operating leveled Ventilation as per installation instructions Is Cooling Unit equipped with high temp thermal switch YES NO Has thermal switch been tripped before Any signs of leak Heat input device operating within specification Check as required s AC heater voltage and amp draw s Burner orifice flue deflector cap flue baffle s LP gas pressure Cooling Unit cont d WARNING Do n...

Page 28: ...e 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 and audible signs of leak s Yellow residue on the rear of the refrigerator Ammonia smell Gurgling noise not always present Cooling unit performance test 1 Disconnect thermistor from the wire harness ...

Page 29: ...T_LO AC_HT_LO_2 L1 L2 4 1 2 3 5 6 1 2 5 3 4 6 7 8 9 10 1 2 K2 K5 K3 K1 K4 F2 8 Amp p m A 5 1 F P3 P1 ON OFF Vreg 1 2 3 4 5 MICRO P2 P1 U1 K2 K5 K4 K3 K1 YL GN JN VE WH BC BK NR BK WH NR BC RD RG GN VE RD RG BK NR WH RD BC RG 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 PANNEAUD ALMENTATION GOOD DISPLAY BOARD MIEUX CARTE D AFFICHAGE 3 4 F1 5...

Page 30: ... 5500 feet above sea level Effects of Freezing Temperatures on Refrigerator Operation A gas absorption refrigerator is not necessarily equipped for freezing temperature operation If refrigerator is equipped for low temperature operation the refrigerator will operate in temperatures down to 0 F If refrigerator is NOT equipped for low temperature op eration and cooling system of refrigerator is expo...

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