Refrigerator Conversion

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Replacing the Norcold refrigerator with an all-electric compressor model has both its advantages and disadvantages.  Chief amongst the advantages are the much more responsive cooling and freezing systems, significantly less heat discharge, greater reliability, and usually a larger refrigerator.  The disadvantages are the lack of the capability of running on gas or DC when desired, the requirement for a large capacity inverter in order to operate while driving, and the problems with fitting the new refrigerator into the existing cut-out without making major modifications to the finished appearance.

Apparently fitting into the HD with its "washed maple" cabinetry is the easiest.  The FD and especially the QD models are somewhat more difficult because of the limited cabinet cut-out size.

Popular models being used include the 2.7 cu. ft Haier HSP03WNABPG available at Wal-Mart, about $100.  There are other models of Haier with similar dimension but they are not carried at Wal-Mart.  Others have used a Sanyo Model SR-3770S.  Note that the Haier is slightly smaller than the original Norcold but the Sanyo, being a 3.7 cu. ft. model is slightly larger than the Norcold.

On This Page:





Haier HSP03WNA

This compact fridge is roomy enough for your groceries but small and sleek enough to fit in anywhere.  The silver door gives it a modern look, while the two full shelves and door compartments provide outstanding efficiency.

  • Black cabinet and reversible silver door
  • Half-width freezer compartment with ice cube tray
  • 2 full-width slide-out wire shelves
  • 2 full-width door storage shelves fits up to 2 liters
  • Adjustable thermostat
  • Manual defrost
  • Model No.:HSP03WNABPG
    Shipping Weight (in pounds):70.5
    Product Dimension (L x W x H):19.7 x 19.7 x 26.3
    Wal-Mart No.:001558035
    Type Of Door Swing: Reversible
    # of Refrigerator Door Shelves/Bins:2
    Total Refrigerator Capacity: 2.7 cu. ft
    Service & Support Type: 1 Year
    Appliance color: Stainless Steel

    Haier HSP03WNA Parts Manual (PDF)

    Haier HSP03WMA Service Manual (PDF)

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    Sanyo Sanyo SR-3770S Information

    Click on any image to view full size

  • 3.7 Cu. Ft. Cold Storage Capacity 
  • Full-Range Thermostat Dial Control 
  • Coated Stainless Steel Door Resists Fingerprints 
  • Durable Countertop 
  • Reversible Door 
  • Smooth-Back Design 
  • Ice Compartment with Ice Tray 
  • Vertical Can Dispenser 
  • Spill-Proof Interior Shelves 
  • Dimensions (WxHxD):18-5/8" x 33-1/2" x 19-7/8"
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    HD Installation

    From: "John Rees" <jerees1@...>
    Date: Fri Mar 31, 2006 3:42 pm
    Subject: New Refrigerator

    I completed changing my refrigerator from the 2.7 cubic foot Norcold to a 3.7 cubic foot Sanyo compressor refrigerator (black w/stainless steel door (Sanyo SR-3770S Compact Refrigerator) from - $179.95 - free shipping).  It involved a pretty fair amount of fabrication on the cabinet since the new unit is a few inches higher, but it fit and I didn't lose any existing storage space.

    I'm using a 700/1400 watt inverter to accommodate the high starting current.  It pulls about 6.5 amps when it's running.  So far so good.  It's very quiet and gets very cold very quickly (made a batch of ice cubes in about a half hour).

    The real test will come when I want it to keep things cool when we're not plugged in, and not driving for 8 or 10 hours.

    John Rees '02HD




    FD Installation


    Click any image to view full size

    Drawer cutout - raise the drawer as high as possible. 5/8" cabinet spacers - raise the whole cabinet to get enough clearance. Control box - battery-12 volt switching. Sink cabinet - altered cabinet.


    Click any image to view full size

    Finished job - all ready to go. sink top with filler - no need for old ventilation grill. Switches - close up of switching panel. Inverter - located below bottom shelf.


    Click any image to view full size

    Rewire the fridge - separates the compressor from the thermostat. Control wiring - inverter only runs when thermostat calls for compressor to run.  Separate on-off switch. Battery only wiring diagram - runs the fridge on battery only with control of the inverter by the fridge thermostat.

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    QD Installation


    Click any image to view full size

    Cover for inverter - vent outlet. 1200 watt inverter between seats. Note 4 gauge connection to battery. Wire under foot storage.


    Click any image to view full size

    Wire in cabinet from floor. New toggle switch and outlet for 110v. New drawer. New storage to left of fridge.


    Click any image to view full size

    Wal-Mart Haier refrigerator. Ventilation.

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    Additional Modifications:

    [ Arm Rest Removal ] [ Automatic Transfer Switch ] [ Awning ] [ Bathroom Shelf & Basin ] [ Battery Disconnect ]
    [ Belly-Pan Cutout ] [ Bicycle Rack ] [ Cabinet Storage ] [ CB Radios ] [ Center Console ]
    [ Closet Shelf ] [ Coach Door Seals ] [ Coach Entry Floor ] [ Computer Table ] [ Convex Door Mirror ]
    [ Curtain Track ] [ Door Catch ] [ Daylight Running Lights ] [ DVD Conversion ] [ Entertainment Center ]
    [ Entry Handrail ] [ Exterior Power Inlet ] [ Exterior Shower Drain ] [ Fuel Pump Jumpers ] [ Furnace Vent ]
    [ Galley Faucet ] [ Generator Fuel Cutoff ] [ Granite Countertop ] [ Headboard ] [ Jack Handle Storage ]
    [ LCD TV Conversion ] [ LED Bulbs ] [ Magnum Shooters ] [ Map Box ] [ Microwave Convection Oven ]
    [ Propane Detector ] [ QD-H Conversion ] [ Rear Axle Stiffener ] [ Rear Couch Foam Roll ] [ Heat Control Label ]
    [ Rear Seat Kick Panels ] [ Refrigerator DC Mode ] [ Refrigerator Conversion ] [ Roof Air 13,500 ] [ Roof Rack ]
    [ Satellite Dish ] [ Sewer Dump Valve ] [ Sewer Hose Storage ] [ Shade Standoffs ] [ Shower Faucets ]
    [ Shower Filter ] [ Simple Shoreline Conversion ] [ Skylight Panel ] [ Spare Tire Carrier ] [ Super Freezer ]
    [ Throttle Body Cleaning ] [ Transmission Dip Stick ] [ Trunk Handle ] [ Wheel Covers ]  

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    Page Updated: 19 February 2015