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4.
5.
With a pair of pliers unfold the lug holding the lid of the
boiler casing and open the lid
Remove some insulation wool so that the heater is acces-
sible.
6.
7.
Turn and lift the heater out of its pocket
Fit the new heater into the pocket and pull on the hose
around the leads
8..
Connect the leads and put on the plastic cover
9.
Reset the insulation and close the lid of the boiler casing
The Switch
If the refrigerator is used intermittently it should be checked
at least once a year.
It is important to keep the appliance area clear and free
from combustible materials, gasoline and other flammable
vapors and liquides. Check the venting system. The flow of
combustion and ventilating air must not be obstructed.
Check the flue baffle that it is clean and reasonably free
from soot. Heavy soot formation indicates improper func-
tioning of the burner. Clean baffle and flue. Further, clean
cooling unit and floor under refrigerator.
The entire gas installation should be checked for leaks at
intervals. Test all pipe connections with soapy water, not
with an open flame.
The electric control also comprises an on-off switch operated
NOTE. Any service of the gas controls, with exeption
by the selector knob at the front panel. The switch has two
for the above mentioned replacement, maintenance
“on’‘-positions, one for 120 Volts A C (ELEC.) and one for 12
and cleaning operations must be performed by an au-
Volts D C operation.
thorized service center only.
The Thermostat
The electric thermostat is combined with the gas thermostat
and is thus operated by the knob B at the front panel. The
temperature in the refrigerator can be regulated by turning the
thermostat knob to higher or lower numbers. Although the
exact setting is not critical choose a setting at which the frost
which gradually forms on the cooling evaporator is just mainta-
ined in dry condition.
It will be necessary to set the thermostat knob one or two
numbers higher when the ambient temperature becomes hig-
her or the load unusually heavy.
If less cooling is required a lower setting should be chosen.
PERIODIC MAINTENANCE
NOTE.Before working on the refrigerator make sure that 120
V A.C. and optional 12 VD.C. leads are disconnected.
The Burner and the Burner Jet (Fig. 2)
The
colour
of the flame shall be clear blue over the slots of the
burner (Fig. 3).
Once or twice a year depending on use, it is necessary to
clean and adjust the burner assembly. Proceed as follows:
1. Loosen screw and remove cover plate for burner housing.
2. Disconnect lighter cable from the electrode.
3. Loosen burner fixing screw and withdraw burner.
4. Clean burner tube
with
a brush. Blow with compressed air.
5.
Screw off jet and clean with alcohol. Blow with compressed
air. Never use a needle or similar.
6. Reassemble.
The Electrode
For a proper ignition function it is necessary to keep the
electrode insulation dry and free from dirt The gap between
burner tube and electrode shall be max.
3/16"
(5 mm) and min.
1/8" (3 mm).
WARNING
FAULTTRACING
The refrigerator does not freeze satisfacto-
rily
Causes and remedies
a) Jet orifice clogged. Unscrew jet and blow clear or wash in
alcohol. Do not use wire or pin to clean orifice.
b) Check the leveling of the refrigerator.
c) Flame has gone out. Remedy: 1) Gas in bottle is used up
-
refill. 2) Feeler point of the flame failure safety device is not
heated enough by flame
-
check against fig. 2 or 3.
3) Clogged by-pass screw
-
clean or exchange it.
d) Air circulation around cooling unit is restricted. Be sure that
refrigerator is property ventilated.
e) The evaporator is heavily coated with frost. Defrost.
f) Flue baffle not inserted into the central tube of the cooling
unit.
g) The thermostat is incorrectly used. See paragraph on
thermostat. In hot weather the setting should be one or two
numbers “colder” than usual.
h) Gauze in burner head clogged. Clean.
i) Burner damaged. Replace.
j) Burner may be dislocated. Relocate.
k) Wrong gas pressure at the burner. Have pressure checked
at burner and at gas bottle. Pressure at burner must not fall
below 11
"
W.G. when thermostat is set on MAX.
ODOR FROM FUMES
Causes and remedies
a. The flame touches side of the boiler due to dislocation of
the burner. Relocate. Burner dislocation may also cause
smoke and discoloring of walls and ceiling.
b. Burner damaged. Replace.
c. The flame touches flue baffle. Remedy: 1) Burner dama-
ged. Replace. 2) Flue baffle too low. Correct the position of
the baffle.
d. The flue tube is dirty. Clean flue as follows: Cover burner
and jet. Remove flue top and baffle. Clean flue with special
flue brush. Clean baffle before putting back in place.
All the above instructions are to be followed closely. The
refrigerator is quality-guaranteed. However, we are not re-
sponsible for any failures caused by improper adjustments
and unfavorable installation conditions. Contact service point
or distributor service dept. for assistance.
Replacement Parts Suppliers: See cover.
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