
10
3-WAY MODEL
A. A12 volt DC supply mustbeavailable for the electronic
control to function.
B. Pressthemain powerON/OFF button(1) totheDOWN
position.
C. PresstheTEMPERATURESELECTORBUTTON(4)3-
WAY Model until the lamp at the desired setting is
illuminated.
D. AUTO MODE
1. Pressthe DC mode selector button (2) to the UP (OFF)
position.
2. Move the AUTO/GAS mode selector button (3) to the
DOWN position. (If 120 volts AC is available, the AC
mode indicator lamp (B) will illuminate indicating AC
operation.If120voltsACisnotavailable,theGASmode
indicatorlamp (C)willilluminate andthecontrol system
will automatically switch to GAS operation.
3. IftheCHECKindicatorlamp(E)illuminatesandtheGAS
modeindicatorlamp(C)isoff,thecontrolshavefailedto
ignitethe burner in the GAS mode. GAS operation may
beresetbypressingthemainpowerON/OFFbutton(1)
to the OFF then ON position. (See Step 3, under GAS
MODE).
4. PresstheTEMPERATURESELECTORbutton(4)until
the lamp at the desired position is illuminated.
5. When operating in the AUTO mode, the AUTO modes
indicatorlamp(D)willilluminate.Thecontrolsystemwill
automatically select between AC and GAS operation
withAChavingpriorityoverGAS.EithertheACindicator
lamp (B) or the GAS indicator lamp (C) will illuminate
dependingontheenergysourceselectedbythecontrol
system.IfthecontrolsystemisoperatingwithACenergy
anditthenbecomesavailable,thesystemwillautomati-
cally switch to GAS. As soon as AC becomes available
againthecontrolwillswitchbacktoACregardlessofthe
GASoperation.
E. GAS MODE
1. PresstheDCmodebutton(2)totheUP(OFF)position.
2. MovetheAUTO/GASmodeselectorbutton(3)totheUP
position. The GAS mode indicator lamp (C) will illumi-
nate.After45secondstheburnershouldbeignitedand
operatingnormally.
3. Ontheinitialrefrigeratorstart-up,itmaytakelongerthan
45secondstoallowairtobepurgedfromthegasline.If
the gas does not ignite within 45 seconds, the CHECK
indicator lamp (E) will illuminate and the GAS mode
indicatorlamp(C)willgooff.ToresetwhentheCHECK
indicator lamp (E) is illuminated, press the main power
ON
OFF
AUTO
AC GAS
1
CHECK COLD 1 2 3 4 5 COLDEST
4
23
FECB
DA
ON/OFF button (1) to the OFF and then ON position.
IfthecontrolisswitchedtoACorDCoperationwhilethe
CHECKindicator lamp is on,itwill function properly but
the CHECK indicator lamp will not go off until the main
power ON/OFF button is pressed to the OFF then ON
position.
NOTE: Do not continue to reset GAS operation if the
CHECKindicatorlampcontinuestobeilluminatedafter
severaltries.IfrepeatedattemptsfailtostarttheLPgas
operation, check to make sure that the LP gas supply
tanksarenotemptyandallmanualshutoffvalvesinthe
lines are open. If the problem is still not corrected,
contact a service center for assistance.
4. PresstheTEMPERATURESELECTORbutton(4)until
the lamp at the desired position is illuminated.
WhenoperatingintheDCmode,theDCmodeindicatorlamp
(A)willbeilluminated.Allother modelamps willbe off.The
DCmodeoverridesall otheroperating modes.Ifoneofthe
otheroperatingmodesisdesired,theDCselectorbutton(2)
must be in the UP (OFF) position.
G. BATTERY PROTECTION SYSTEM
The control system is equipped with a battery protection
system. A steady illuminated DC mode lamp (A) indicates
that sufficient voltage is present at the terminal block
connectionstooperatetherefrigeratornormally.Iftheinput
voltage is below approximately 12.8 volts DC or should it
drop below 12.8 volts DC during operation, the DC mode
lamp (A) will flash ON and OFF to signal a low battery
condition.Inthisconditionthecontrolwillcontinuetooperate
in DC mode for a maximum of 10 minutes.
H.THERMOSTAT
Thethermostatontherefrigeratorcontrolsboththegasand
electric operation, thereby eliminating the necessity of
resetting each time a different energy source is employed.
After initial start-up, the thermostat should be moved from
"COLDEST" to the desired temperature setting, usually
aboutmid-setting.
I. STANDBY MODE OF OPERATION
Thiscontrolsystemcontainsafeaturewhereitwillcontinue
to operate the cooling system in the event of a failure of a
majoroperatingcomponent.Twodifferentmodesofopera-
tion can occur in this category.
If for some reason the display module becomes nonfunc-
tional, the control system will revert to fully automatic
operation - selecting the best energy source available with
ACandGASpriority.Thetemperatureoftherefrigeratorwill
bemaintainedattheMIDpositionwithinnormaltemperature
tolerances. The power module will continually attempt to
reestablishoperation of the displaymodule.