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13

NOTE:

 The following maintenance is required once or

twice a year, but should only be done by a qualified ser-

viceman who is familiar with LP gas systems and refrig-

erators.

B. Check all connections in the LP gas system (at the

back of the refrigerator) for gas leaks. The LP gas

supply  must  be  turned  on. Apply  a  noncorrosive

bubble solution to all LP gas connections. The ap-

pearance of bubbles indicates a leak and should be

repaired immediately by a QUALIFIED SERVICEMAN

WHO IS FAMILIAR WITH GAS SYSTEM AND RE-

FRIGERATORS.

6. Remove the burner mounting screws and remove the

burner assembly. (See FIG. 12).

7. Remove the wire and the flue baffle from the top of

flue tube. Clean the flue from the top using a flue

brush. Blowing compressed air into the flue will not

properly clean soot and scale out of the flue tube.

Replace the flue baffle.

8. Clean burner tube with a brush. Blow out burner with

compressed air.

9. Before removing burner jet, clean burner area of soot

and scale that fell out of flue tube. Remove the burner

jet. Soak the jet in wood alcohol and blow it out with

compressed air. Reinstall and tighten burner jet.

NOTE:

 The color of the flame shall be clear blue

over the slots of the burner. (See FIG. 13).

! WARNING

DO NOT use a wire or pin when cleaning the burner

jet as damage can occur to the precision opening.

This can cause damage to the refrigerator or create

a fire hazard.

FIG. 13

Clear blue color

of flame

GAS EQUIPMENT ASSEMBLY

SOLENOID VALVE

 INLET FITTING

 MANUAL SHUTOFF VALVE

 Shown in open position

 PRESSURE TEST PORT

  BURNER JET

  SPARK ELECTRODE

BURNER TUBE  .

THERMOCOUPLE

BURNER MOUNTING

SCREWS

FIG. 12

! WARNING

DO NOT use a flame to check for gas leaks.

C. Check the AES control system by connecting/discon-

necting 120 volt AC power, start/stop the engine, etc.

Compare the operation with the operation described

in description of operating modes. Page 10.

D. The LP gas pressure should be checked and the main

regulator readjusted if pressure is incorrect.
The correct operating pressure is 11 inches of water

column. The correct place to take the LP gas pres-

sure is at the test port just ahead of the burner jet.

(See FIG. 12).

E. Inspect the flue baffle. It should be reasonably clean

and free of soot. Heavy soot formation indicates im-

proper functioning of the burner. The flue and burner

both require cleaning in the following manner:

1. Unplug the refrigerator power cord from the 120 volt

AC outlet. (See FIG. 3).

2. Disconnect or shut off the 12 volt power to the refrig-

erator.

3. Turn manual shutoff valve to OFF. (See FIG. 1).
4. Remove cover from the burner housing. (See FIG. 1).
5. Disconnect the wire from the high voltage electrode.

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Summary of Contents for NDR 1402

Page 1: ...adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified installer service agency or the gas...

Page 2: ...All manuals and user guides at all guides com...

Page 3: ...re Selector Button A AC Mode Indicator Lamp B AES AUTO Mode Indicator Lamp C GAS Mode Indicator Lamp D CHECK Indicator Lamp E Temperature Indicator Lamps FIG 1 12V DC Heaters Power module and fuses Pr...

Page 4: ...the refrigerator compartment must be provided for ventilation of heavier than air fuel gases The lower vent of the recommended kits is provided with proper size openings The flow of combustion and ven...

Page 5: ...is a complete seal between the front frame of the refrigerator and the top sides and bottom of the enclosure A length of sealing strip is ap plied to the rear surface of the front frame for this pur p...

Page 6: ...HUTOFF The gas safety shutoff must be tested after the re frigerator is connected to LP gas supply To test the gas safety shutoff proceed as follows 1 Start the refrigerator according to the instructi...

Page 7: ...of the refrigerator VENTILATION HEIGHTS CLEARANCES Minimum clearances in inches to combustible materials are G Top 0 K Side 0 L Bottom 0 M Rear 0 N See NOTE Clearance N below NOTE Clearance M is betw...

Page 8: ...eveling is not critical as the rolling and pitching movement of the vehicle will pass to either side of level keeping the liquid ammonia from accumulating in the evaporator tubing OPERATION Before sta...

Page 9: ...y switched to the GAS mode 2 If the CHECK indicator lamp D illuminates and the GAS mode indicator lamp C is off the controls have failed to ignite the burner in the GAS mode GAS operation may be reset...

Page 10: ...mes If repeated attempts fail to start the LP gas operation check to make sure that the LP gas supply tanks are not empty and all manual shutoff valves in the lines are open If the problem is still no...

Page 11: ...f the compartment This compartment is not designed for deep or quick freezing of food Meat or fish whether raw or prepared can be stored in the frozen food storage compartment provided they are precoo...

Page 12: ...ove the protection cover see FIG 1 3 Remove the power module cover see FIG 1 4 Disconnect the heater leads 5 With a pair of pliers unfold the lug holding the lid of the boiler casing and open the lid...

Page 13: ...r pin when cleaning the burner jet as damage can occur to the precision opening This can cause damage to the refrigerator or create a fire hazard FIG 13 Clear blue color of flame GAS EQUIPMENT ASSEMBL...

Page 14: ...e refrigerator is quality guaranteed However we are not responsible for any failures caused by improper adjust ments and unfavorable installation conditions Contact service point or distributor servic...

Page 15: ...Heater 120V 420W 2x 60V 210W 95 50 01 67 2 Burner pipe cpl 200 74 19 33 2 Jet No 76 293 11 32 02 7 Spark ignition device 293 27 81 02 0 Electrode with conductor 293 18 26 02 4 Thermocouple 385 04 52 0...

Page 16: ...r the right hand side of the wire shelf and let the left hand side slide out of the holes in the wall Slide the plastic plugs into the holes of the wall Snap the shelf locks onto the wire shelf Slide...

Page 17: ...17 All manuals and user guides at all guides com...

Page 18: ...18 All manuals and user guides at all guides com...

Page 19: ...19 All manuals and user guides at all guides com...

Page 20: ...20 MO FO 0305 All manuals and user guides at all guides com...

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