2 - Service Manual N300 Models
Table of Contents
Introduction ............................................................................... 2
Safety Awareness ..................................................................... 2
Safety Instructions .................................................................... 2
Specifi cations ........................................................................... 3
Operating limits......................................................................... 3
Ratings .............................................................................. 3
Current draws .................................................................... 3
Replacement fuses (refrigerator control panel) ................. 3
Ventilation Requirements.......................................................... 4
Propane Gas Components ....................................................... 4
Examine the gas supply system for leaks ......................... 4
Electrical Components.............................................................. 5
Examine the 120 volts AC supply ...................................... 5
Examine the 12 volts DC supply (3-way models) .............. 5
Controls .................................................................................... 5
Ignition and Start Up ................................................................. 6
Ignition - propane gas operation........................................ 6
Start up - AC electric operation ......................................... 6
Start up - DC electric operation (3-way models) ............... 6
Shut down ......................................................................... 6
Battery drain ...................................................................... 6
Refrigerator Maintenance ......................................................... 6
Gas fl ame appearance ...................................................... 6
Remove and clean the burner orifi ce ................................ 6
Diagnosing Cooling Problems .................................................. 6
Wiring Pictorial.......................................................................... 7
Wiring Diagram ......................................................................... 7
Troubleshooting Charts ............................................................ 8
Refrigerator will not operate on AC ................................... 8
Refrigerator will not operate on DC (3-way models) ......... 9
Burner ignites but does not maintain fl ame ..................... 10
Part Replacement ....................................................................11
Selector switch .................................................................11
Thermostat .......................................................................11
AC heater .........................................................................11
DC heater (3-way models) .............................................. 12
Thermocouple ................................................................. 12
Thermocouple interrupter ................................................ 12
Gas safety valve .............................................................. 13
Refrigerator ..................................................................... 13
Safety Awareness
Safety Instructions
Read this manual carefully and understand the contents before
you install and operate the refrigerator.
Be aware of possible safety hazards when you see the safety
alert symbol on the refrigerator and in this manual. A signal
word follows the safety alert symbol and identifi es the danger
of the hazard. Carefully read the descriptions of these signal
words to fully know their meanings. They are for your safety.
WARNING: This signal word identifi es a hazard, which
if ignored, can cause dangerous personal injury, death,
or much property damage.
CAUTION: This signal word identifi es a hazard, which
if ignored, can cause small personal injury or much
property damage.
WARNING:
- This refrigerator is equipped for the use of propane
gas only and can not be changed to use any other
fuels (natural gas, butane, etc.).
- Incorrect installation, adjustment, changes to, or main-
tenance of this refrigerator can cause personal injury,
property damage, or both.
- Obey the instructions in this manual to install the
intake and exhaust vents.
- Do not install the refrigerator directly on carpet. Put
the refrigerator on a metal or wood panel that extends
the full width and depth of the refrigerator.
- Propane gas can cause a fi re or an explosion that can
result in property damage, personal injury, or death.
Do not smoke or create sparks while doing any work
on the propane gas supply system. Do not use an
open fl ame to examine the gas supply piping or fi t-
tings for leaks.
- To avoid possible propane gas leaks, always use two
wrenches to tighten or loosen the gas supply line con-
nections.
- Make sure the electrical installation obeys all appli-
cable codes. See the “Certifi cation and Code Require-
ments” section of the “Owner’s Manual and Installa-
tion Manual”.
- Disconnect both the AC and DC power sources before
doing any maintenance work on the refrigerator.
- Do not bypass or change the refrigerator’s electrical
components or features.
Introduction
This Service Manual supplies information for the experienced
repair technician. The repair technician should have working
knowledge of the operation of an absorption refrigerator sys-
tem and should have basic knowledge of LP gas and electrical
systems.
Read and understand the “Installation and Owner’s Manual”,
all service procedures, cautions and warnings before doing any
service work on the refrigerator. If you are unable to resolve
the problem by using this Service Manual, technical service
support is available at 1-800-543-1219.
Only use genuine Norcold replacement parts on the refrigera-
tor. Generic parts do not meet Norcold’s specifi cations for
reliability, performance, and safety and will void the Norcold
Limited Warranty.
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