Thetford N80 Instructions For Use Manual page 7

6071_BW.qxd 24-06-2005 14:58 Pagina 9
unavailable, the vehicle engine is running and a voltage higher than 11 V is available.
If a fault occurs during electrical powering (230 V or 12 V), an error message will
not be shown on the display as long as another energy source is available. The
system will automatically switch to the available energy source that has the highest
priority.
6.3.2 Selecting electrical power manually
Mains voltage (230 V):
The LED warns you whenever insufficient voltage is available or if a fault occurs.
If this happens, the LED will start flashing once per second and an error code is
shown in the LCD display.
When sufficient current is available again, or the fault has been resolved, the LED
will emit a steady blue light again.
Direct current (12V):
The LED warns you whenever your vehicle's engine is not running, or if a fault
occurs, or if insufficient voltage is available. If this happens, the LED will start
flashing once per second and an error code is shown in the LCD display.
Once the engine is running, or the fault has been resolved, or sufficient voltage is
available again, the LED will again emit a steady blue light.
NB: If the refrigerator has been manually set to operate at 12 V, it will not
automatically switch to another energy source when your vehicle's engine is not
running. In this case, the refrigerator will stop cooling.
6.4 Powering with gas
Powering with gas can be selected both by the Auto mode (only Automatic fridges)
and manually.
Warning! - Flammable material must be kept away from the rear of the refrigerator.
- For selection of gas type, see the information plate inside your refrigerator.
- For the pressure regulator model, see the information plate inside your
refrigerator and the table at the back of this booklet.
- The type of gas container and its location must be in compliance with the most
recent regulations. Ensure that the unit is installed in a location with good
ventilation and make sure that the ventilation openings in the gas container
storage location remain open.
- The changing of the gas container must be done outside in the open air and out
of reach of any possible sources of ignition.
- It is prohibited to use gas to power the refrigerator while you are driving.
- It is prohibited to use gas to power the refrigerator in the vicinity of petrol
stations.
6.4.1 Auto mode
The system will select gas operation if:
- mains voltage (230 V) is unavailable;
- the vehicle's engine is not running.
Once mains voltage (230 V) is available again or the vehicle's engine is running, the
system will switch to the available energy source that has the highest priority if the
fridge is in Auto mode.
If the refrigerator switches from 12 V DC to gas operation when it is in auto mode,
the system will wait for about 15 minutes before igniting the gas. During this time,
however, the gas indicator lamp will come on. The delay is built in to avoid it
switching to gas operation whenever you stop to refuel your vehicle. You can cancel
the delay by immediately switching the refrigerator off and then on again.
If the system selects gas operation, the ignition will be activated automatically. The
gas will flow to the burner and be lit by the electric ignition. If the flame goes out,
the gas will immediately be lit again.
6.4.2 Selecting gas operation manually
If the flame cannot be lit within 30 seconds, the gas supply will stop and gas
mode will be switched off. The LED start flashing every second and an error
code is shown in the LCD display.
The gas mode can be reset only if the refrigerator is switched off. If you switch the
refrigerator on again and the gas mode is still not working, the LED of the manual
gas mode will flash to indicate that gas is unavailable and an error code is shown in
the LCD display.
Important! It is prohibited to use gas to power the refrigerator while you are
driving. If a road accident results in a fire, there is a danger of explosion. It is
prohibited to use gas to power the refrigerator in the vicinity of petrol stations. If it
takes longer than 15 minutes to refuel your vehicle, you should switch the
refrigerator off using the main switch (A).
6.5 Switching off the refrigerator
- Push the main switch (A).
- The blue LED will go out.
- The refrigerator is now completely switched off.
- Use the special storage latch on the door locking mechanism to fixate the open
door. This prevents unpleasant odours and mould in the refrigerator.
7 MAINTENANCE
Regular maintenance is necessary to ensure the correct functioning of your
refrigerator.
7.1 Cleaning
Tip! A good time to clean your refrigerator is straight after you have defrosted it.
- Clean the refrigerator with a soft cloth and mild detergent.
- Dust the refrigerator with a soft, moistened cloth.
- Use a brush or soft cloth to remove once a year any dust from the condenser at
the inside of the refrigerator.
Important! - Do not use soap or aggressive detergents that are abrasive or
soda-based.
- The removable interior components of the refrigerator are not dishwasher proof.
7.2 Defrosting
Frost will gradually build up on the condenser of the refrigerator. You should defrost
the refrigerator as soon as the frost layer is about 3 mm thick. Frost reduces the
refrigerating capacity and life of your refrigerator.
- Remove the ice cube tray and all food.
- Switch off the refrigerator.
- Leave the refrigerator door open.
- Place dry towels in the refrigerator to absorb the water.
- Place trays containing hot water in the freezer compartment.
- After defrosting (when the freezer compartment and condenser are frost-free),
remove the towels and the water trays and use a cloth to dry off the refrigerator.
- Switch the refrigerator on again in the way described in section 4.1 ("Igniting
and starting your refrigerator").
Important! - Do not use force or sharp objects to remove frost.
- Do not try to accelerate defrosting by using (for example) a hairdryer.
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7.3 Door locking mechanism
Frost will form in the refrigerator if the door is not closed properly. To determine
whether the door closes properly, close the door with a piece of paper between the
door and the refrigerator. Pull at the piece of paper. If you feel resistance, the
refrigerator door closes properly. If you feel no resistance, the door does not close
properly. Perform this test regularly on all four sides of the refrigerator door.
If you find that the door does not close properly, check whether the door locking
mechanism keeps the door properly shut.
7.4 Winter operation
If you use the refrigerator when the outdoor temperature is below 8°C, install the
Thetford vent winter/storage cover (see illustration 10) on the ventilation grills. The
cover protects your refrigerator from excessively cold air. The winter cover is a
refrigerator accessory obtainable from your caravan dealer.
Tip! It is advisable to use the winter/storage cover if you are not going to use the
vehicle for a long period of time.
IMPORTANT; DO NOT USE THE WINTER/STORAGE COVER IN TEMPERATURES
GREATER THAN 8°C AS THIS CAN DAMAGE THE COOLING UNIT AT THE REAR OF
THE FRIDGE. Remove the covers & re-fit when placing the vehicle back into
storage.
7.5 Maintenance of gas equipment
A qualified service engineer must maintain and inspect gas and electrical
equipment. It is advisable to have this maintenance work performed by a customer
service centre. Contact the Customer Service department of Thetford for a list of
qualified parties.
Important! European laws covering gas appliances and extractors prescribe
observance of the following rules (which are the user's responsibility):
- appliances that run on liquid gas must be inspected before being used for the
first time and every year thereafter.
- the gas burner must be cleaned at least once a year or more frequently if
necessary.
- If a gas hose is used, it must be checked annually. This hose has a limited life
and, thus, must be regularly replaced. Check the hose regularly for cracks, splits
and ageing. If in doubt, replace the hose. Pay attention to the maximum life of
the hose and replace it in time, as advised by the manufacturer or in
conformance with local regulations.
- For replacement, a gas hose approved in accordance with the local regulations
must be used . Position the hose so that it can rotate, is not kinked, and will
allow no bends to occur.
- Due to the limited life of the gas hose, it must be installed so that replacement is
possible.
7.6 Maintenance checklist
This refrigerator will give you many years of trouble-free use if you simply run
through the following checklist regularly:
- keep the refrigerator clean (see section 7.1, "Cleaning");
- defrost the refrigerator as often as is necessary (see section 7.2, "Defrosting");
- check the door closing mechanism regularly (see section 7.3, "Door locking
mechanism");
- make sure that the ventilation grills are not blocked;
- Regularly clean the ventilation grills.
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