Dometic Caravan RM 7501 User Manual

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822 70 90-04
MANUAL CARAVAN
RA/RM-2D
0402
RM 7501
Deutsch Seite 3 English page 12 Français page 20 Svenska sida 29 Español pagina 37 Suomi sivu 46 Italiano pagina 54
GAS
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OPERA TING AND INST ALLATION INSTRUCTIONS FOR DOMETIC REFRIGERATORS
CONTENTS
OPERATING INSTRUCTIONS ............................ 13
CONTROLS .................................................... 13
ST ARTING THE REFRIGERA TOR ................. 13
REGULA TING THE TEMPERA TURE ............. 13
TRA VEL CA TCH ............................................. 13
FOOD STORAGE ........................................... 13
ICE-MAKING ................................................... 13
DEFROSTING ................................................. 14
CLEANING THE REFRIGERA TOR ................ 14
HEATING CABLE ........................................... 14
WINTER OPERATION .................................... 14
TURNING OFF THE REFRIGERA TOR .......... 14
IF THE REFRIGERA TOR F AILS
TO WORK ....................................................... 14
MAINTENANCE .............................................. 15
SERVICE ......................................................... 15
INSTALLATION INSTRUCTION ......................... 15
REPOSITIONING THE HINGES ..................... 15
DOOR P ANEL ................................................. 15
INST ALLA TION/BUILDING-IN ....................... 15
VENTILA TION OF THE UNIT ......................... 16
LP GAS CONNECTION .................................. 18
ELECTRICAL CONNECTION ......................... 18
TECHNICAL DA T A .......................................... 19
POSITIONING OF SHEL VES ......................... 64
INTRODUCTION
We are pleased that you have chosen this refrigerator and hope you will derive much satisfaction from using it, but first a few well-meant words of advice:
It is important to read through these instructions care­fully before using the refrigerator.
T o ensure good refrigeration and economical operation, the refrigerator must be installed and used as described in these instructions.
The refrigerator is designed for installation in caravans or motorhomes.
TRANSIT DAMAGE
Inspect the refrigerator for damage. Transit damage must be reported to whoever is responsible for delivery not later than seven days after the refrigerator was deliv­ered.
DA T A PLA TE
Check the data plate, inside the refrigerator, to ensure that you have received the right model. The data plate contains e. g. the following details:
Model designation RM ...........................
Product number ..................................
Serial number ..................................
Voltage .................................. volts
Gas pressure .................................. mbar
Since these details will be needed if you have to contact service personnel, it is a good idea to make a note of them here.
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OPERATING INSTRUCTIONS
CONTROLS
6. Hold the button (C) an additional 10-15 seconds to activate the flame failure device, then release it. If the lamp start flashing again, repeat step 4-6.
To terminate gas operation, turn the knob (A) to “OFF” position.
230-240 V operation
Before operating the refrigerator, check that the volt age stated on the data plate is the same as the main voltage in use.
Turn the thermostat knob (D) to it s highest (coldest)
position.
Set the energy selector (A) to position “AC.
12 V operation
Only operate your refrigerator on 12 V when the engine of the vehicle is running - otherwise your battery will soon be discharged.
Set the energy selector (A) to position “DC.
REGULA TING THE TEMPERA TURE
The position number refers to fig.1. It will take a few hours for the refrigerator to reach nor­mal operating temperature. So we suggest you start it well in advance of a trip and if possible store it with precooled foodstuffs. On 230-240 V operation and LP gas operation the re­frigerator is controlled by a thermostat, set the thermo­stat knob (D) to mid position. If a lower (colder) temperature is desired turn the ther­mostat knob clockwise. On 12 V operation the refrigerator works continuously .
TRA VEL CA TCH
The refrigerator is equipped with two travel catches. Make sure that both are engaged when the caravan is on the move.
FOOD STORAGE
Always keep food in closed containers. Never put hot food in the refrigerator; allow it to cool first.
Never keep items in the refrigerator that might give off flammable gases.
The frozen food compartment is intended for the stor­age of frozen food and for making ice. It is not suitable for freezing items of food. Most kinds of frozen food can be stored in the frozen food compartment for about a month. This period of time may vary, however, and it is important to follow the in­structions on the individual packages.
ICE MAKING
It is practical to make ice during the night - then the re­frigerator is less demanded and the cooling unit has more reserves. Fill the ice tray to just below the brim with drink­ing water and place it on the freezer shelf. It is possible to make ice faster by turning the control knob temporarily to its highest position but do not forget to turn it back to its regular setting afterwards as the refrigerator might otherwise become too cold.
The refrigerator can be run on 230-240 V, 12 V or LP gas. Changing between these modes of operation is carried out by means of the control buttons positioned as shown in fig. 1. The energy selector (A) can be set at either AC (230­240 V), DC (12 V), GAS (LP gas) or OFF”.
An indicator lamp (B) at the control panel flashes when the automatic igniter attempts to light the burner . Otherwise this lamp is off.
The refrigerator is fitted with a safety device that auto­matically shuts off the supply of gas if the flame goes out. The safety device can be operated manually by pressing the button (C).
The refrigerator temperature is controlled by a thermo­stat (D) when the refrigerator runs on 230-240 V and LP gas. Please note that the thermostat has no “off” posi­tion when the refrigerator runs on LP gas.
ST ARTING THE REFRIGERA TOR
All references are to fig. 1.
LP Gas operation
After initial installation, servicing, or changing gas cylin­ders etc., the gas pipes may contain some air that should be allowed to escape by briefly turning on the refrigera­tor or other appliances. This will ensure that the flame lights immediately .
To start gas operation:
1. Open the shut off valve of the gas bottle (check that there is enough gas). Open any on-board shut-off valve.
2. Set the thermostat knob (D) to its highest (coldest) position.
3. Turn the energy selector (A) to position GAS”. A ticking sound will be heard and the lamp (B) will start flashing.
4. Push the button (C) in until it reaches the bottom ­and hold. This opens the flame failure device and allows gas to flow to the burner.
5. When the flame lights, the sparking stops automati­cally and the lamp stops flashing.
ABCD
Fig. 1
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DEFROSTING
Frost will gradually accumulate on the refrigerating sur­faces. It must not be allowed to grow too thick as it acts as an insulator and adversely affects refrigerator per­formance. Check the formation of frost regularly every week and when it gets about 3 mm thick, defrost the refrigerator. To defrost the refrigerator, turn it off and remove the ice trays and the food item, leave the cabinet and freezer doors open. Do not try to accelerate defrosting by using any kind of heating appliance, as this might damage the plastic sur­faces of the refrigerator. Neither should any sharp ob­jects be used to scrape off the ice. Defrost water runs from a drip tray to a receptacle at the rear of the refrigerator where it normally evaporates. Heavy frosts build up on the freezer plate and the cool­ing fins, and a lot of defrost water: Move the plastic drain tube in to a watertight bucket or container . (Access through the lower ventilation grill on the outside of the vehicle). As the frost melts, the water will flow into the container . Replace the drain tube to it s original position after defrosting. Defrost water in the freezer compartment should be mopped up with a cloth. When the ice has melted, wipe the refrigerator dry and restart it. Place the food items back inside but wait until the refrigerator is cold before making ice cubes.
CLEANING THE REFRIGERA TOR
Clean the inside of the refrigerator regularly to keep it fresh and hygienic. Soak a cloth in a solution consisting of a teaspoon of bicarbonate of soda to half a litre of warm water. W ring out the cloth and use it to clean the interior of the refrig­erator and its fittings. Never use detergents, scouring powder , strongly scented products or wax polish to clean the interior of the refrig­erator as they may damage the surfaces and leave a strong odour. The exterior of the refrigerator should be wiped clean now and then, using a damp cloth and a small quantity of detergent. But not the door gasket, which should only be cleaned with soap and water and then thoroughly dried. The cooling unit behind the refrigerator should be cleaned with a brush from time to time, but make sure that the refrigerator is switched off when doing this.
HEA TING CABLE
During the summer months of high temperatures and humidity , the metal frame between the freezer and fresh food compartments may have water droplets forming. This refrigerator comes standard with a 12 V (DC) heat­ing cable that will evaporate the water droplets when they form. To have the heating cable on, you position the switch located beneath the control panel to I. The heating cable can be left on continuously or only used when tempera­tures require it.
Note: The heating cable will draw 12 V (DC) power con­tinuously when in the ON (I) position. It should be turned OFF (0) when a charging source is not available.
WINTER OPERA TION
Please check that the ventilation grilles are not blocked by snow, leaves etc. The ventilation grilles model L500, can be fitted with win­ter covers, model WA130, to protect the cooling unit against cold air. The covers may be fitted when the out­side temperature is below approx. 10°C and should be fitted when the temperature is below the freezing point. We suggest that you fit the winter covers also in the case that the vehicle is laid up during the winter months.
TURNING OFF THE REFRIGERA TOR
If the refrigerator is not to be used for some time:
1. Set the switch (A), fig. 1, to OFF”.
2. Shut off any on-board valve in the gas line to the refrigerator.
3. Empty the refrigerator. Defrost and clean it as described earlier. Leave the doors of the refrigerator and frozen food compartment ajar.
4. When the vehicle is laid up for a long period of time (e.g. during the winter months); we suggest fitting the winter covers WA130, onto the vent grills.
IF THE REFRIGERA T OR FAILS TO WORK
Check the following points before calling a service tech­nician:
1. That the ST ARTING THE REFRIGERATOR instructions have been followed.
2. The refrigerator is level.
3. If it is possible to start the refrigerator on any of the connected sources of energy .
4. If the refrigerator fails to work on gas, check:
That the gas bottle is not empty .
That all LP-gas valves are open.
5. If the refrigerator fails to work on 12 V, check:
That the 12 V supply is connected to the refrigera-
tor.
That the fuse on the 12 V supply is intact.
That the battery is not run down.
6. If the refrigerator fails to work on 230-240 V , check:
That the 230-240 V supply is connected to the
refrigerator.
That the fuse is intact.
If the refrigerator is not cooling sufficiently , the rea­son may be:
1. Inadequate ventilation of the cooling unit due to the intake and/or exhaust air vents being partly or completely blocked.
2. The evaporator is frosted up.
3. The thermostat setting is incorrect.
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WARNING! The sealed cooling system must not be opened, since it contains corroding chemicals under high pressure.
4. Gas pressure is incorrect - please check the pres­sure regulator on the gas container .
5. The ambient temperature is too high.
6. Too much food is loaded at one time.
7. The door is not properly closed or the magnetic sealing strip is defective.
If the refrigerator still does not work properly , call a serv­ice technician.
DOOR P ANEL
Door panels can easily be fitted or changed. The dimen­sions of the panels must be:
Model RM 7501
Height upper door 265 ±1mm
lower door 833 ±1mm Width 483 ±1mm Thickness max. 4 mm
Before starting the mounting work, check that the panel dimensions are in compliance with those given in the table and the instructions are read thoroughly . When mounting the panel, proceed as follows:
Upper door
pull out the two knobs (energy selector and thermo-
stat), remove the two screws holding the control panel,
unscrew the upper hinge pin and remove the door
unscrew the upper part of the door frame, remove
the old panel
insert the new panel and push the panel downwards
fasten the upper part of the door frame with its three
screws
please note that the panel must be changed on the
lower door, before the upper door can be mounted
lower door
unscrew the middle hinge pin and remove the door
unscrew the lower part of the door frame, remove
the panel stop (2x) and remove the old panel
insert the new panel and push the panel upwards,
put the panel stop back in place and fasten the lower part of the door frame with its three screws
replace the lower door
replace the upper door
replace the control panel with its two screws and put
on the knobs.
INST ALLATION/BUILDING-IN
The refrigerator is intended for installation in a caravan or a motorhome, and the description relates to this ap­plication. The refrigerator must not be exposed to radiated heat from hot objects. Excessive heat irradiation impairs performance and leads to increased energy consumption. For this reason the refrigerator should be installed if possible not at the en­trance side of the vehicle - normally orientated south and often with an awning which would impair the dispersion of heat and combustion gases from the ventilation open­ings.
MAINTENANCE
Always turn to a qualified service technician who is fa­miliar with LP gas systems and refrigerator . We recommend that a service technician check the re­frigerator once a year.
Check all connections in the LP gas system for gas
leaks. Connections can be tested for leaks using a soap solution. Do not use a naked flame! If there is any suspicion of damage, call for a service technician.
The ventilation openings are unobstructed.
The Instruction Manual is available.
Check that the burner is clean and free from com-
bustible material.
SOME USEFUL HINTS
Make sure that:
The refrigerator is not operating on 12 V when the
vehicle is parked; otherwise you will drain the car battery in a short time.
Defrosting is carried out periodically
The refrigerator is clean and dry with the door left
open when it is not to be used for some time.
Liquids or items with a strong odour are well
packed.
The ventilation openings are unobstructed.
The doors are secured by means of the travel
catches when the caravan is on the move.
SERVICE AND SPARE P ARTS
Service and spare parts are obtainable from your dealer or Dometic - consult the telephone directory .
INST ALLATION INSTRUCTIONS
REPOSITIONING THE HINGES
The refrigerator is equipped with reversible doors. A special door reversing kit must be used to reverse the doors. For further information, contact your dealer .
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Fig. 2
It is not a good practice to install the refrigerator so that the vent openings are covered by the vehicles entrance door when this is set open. This would reduce the venti­lation airflow to the cooling unit and reduce refrigeration performance.
The enclosure
The refrigerator must be installed in a substantial enclo­sure and must be level, the dimensions are shown in TECHNICAL DA T A.
The bottom of the enclosure must be horizontal and even so that the refrigerator can be easily pushed into place. It must be sturdy enough to carry the weight of the re­frigerator. Battens must be installed at the bottom, sides and top of the enclosure and fitted with sealing strips. Slide in the refrigerator until it is flush with the front of the recess. There must be 10-20 mm free space behind the refrigerator Six fasteners are fitted in plastic bushings in the side walls of the refrigerator, fig. 2. They are used for secur­ing the refrigerator in the enclosure. The side walls of the enclosure and/or any wooden braces installed to hold the refrigerator must be dimen­sioned to seat the screws securely , also considering the forces due to the movement of the vehicle. With the refrigerator in place, drive the screws through the lining of the refrigerator into the walls of the enclo­sure. There must not be more than 3 mm of clearance between refrigerator and enclosure on each side. If nec­essary , wooden strips or similar should be fitted.
Note: This is the only approved means of securing the refrigerator to the enclosure and to the vehicle. Fasten­ers penetrating other parts of the insulation (PU) foam of the refrigerator might damage components like elec­tric wiring etc.
VENTILA TION OF THE UNIT
At high ambient temperatures the refrigeration unit will only perform adequately when properly venti­lated.
Side ventilation.
The refrigerator unit is ventilated via two openings in the wall of the caravan (fig. 3a). Fresh air enters through the lower opening and warm air is discharged through the upper one. The lower opening should be located at floor level (to allow any leaking gas to escape to the outside).
The upper ventilation opening should be located above the condenser, as high as possible, to ensure good ven­tilation.
Roof ventilation
The ventilation of the cooling unit can also be done via one opening in the wall of the caravan and one on the roof for the roof vent (fig. 3 b). Fresh air enters through the lower opening and warm air is discharged through the roof vent.
Ventilation grilles
We recommend fitting 2 side vents, model L500, alter­native one L500 and one roof vent model R500, which are specially developed by Dometic for this purpose. The L500-ventilation grilles permit inspection and small repairs to be carried out without the necessity to remove the refrigerator from the recess.
Removal of flue gases
The ventilation passage at the rear of the recess, be­tween the outer wall of the vehicle and the refrigerator (fig. 3a/b/c), must be sealed off against the living space, so cold draughts are excluded (winter camping) and no flue gases can penetrate into the vehicle.
The flue gases are dispersed through the upper vent grille or the roof vent together with the ventilation air. The top, bottom and sides of the ventilation passage should be insulated to prevent condensation and cold draughts.
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VENTILA TION OF THE UNIT
Model Installation with
Upper side vent L205 Upper side vent L500 Roof vent R500 Lower side vent L500 Lower side vent L500 Lower side vent L500
RM 7501 1400 1400 1250
20
Batten attached to the side wall
Sealing gasket e.g. of V-type
View from above
Door
FIG. 3c
min. ventilation height
Cut out opening for the side vent L500 is 451 x 341 mm.
Cut out opening for the roof vent R500 is 507 x 87 mm.
Condenser
min. 510
FIG. 3b
Sealing gasket e.g. of V-type
This piece is already on the refrigerator
60
Condenser
385
min. 510
Sealing gasket e.g. of V-type
Floor
20
Batten attached to the floor
Cut out opening for the side vent L500 is 451 x 341 mm.
L205: 451 x 156 mm.
min. ventilation height
Cut out opening for the side vent L500 is 451 x 341 mm.
FIG. 3a
40
Ventilation heights
Minimum ventilation heights in mm.
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LP GAS CONNECTION
The refrigerator is designed for operation on LP gas, the pressure of which must be 30 mbar for Propane. Check that this is stated on the data plate.
The refrigerator is not designed for operation on town gas or natural gas.
As the colours of the wires in the mains lead of this ap­pliance may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:
- the wire which is coloured Green and Yellow must be connected to the terminal in the plug which is marked with the letter E or by the earth symbol , or coloured Green or Green and Yellow,
- the wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Black,
- the wire which is coloured Brown must be con­nected to the terminal which is marked with the letter L or coloured Red.
WARNING- THIS APPLIANCE MUST BE EARTHED
IMPORTANT
The wires in this mains lead are coloured in accordance with the following code:
- green/yellow: earth
- blue: neutral
- brown: live
In the United Kingdom, the plug or circuit to the refrig­erator must be fitted with a fuse not greater than 5 amps. If a 13 amp. (B.S. 1363) fused plug is used, it should be fitted with a 3 amp. fuse, ASTA approved to B.S. 1362. In other countries, the fuse rating will depend upon the voltage and local practice.
230-240 V Supplies.
Check that the voltage stated on the data plate is the same as the main voltage in use (230-240 V). Plug the 230-240 V refrigerator power cord into an eas­ily accessible wall socket.
CAUTION! Check that the gas supplied to the refrigerator is at the correct pressure. See the reducing valve on the LP gas container.
The gas installation should only be carried out by a per­son experienced in gas fitting. It is recommended that the gas pipe feeding the refrigerator is so arranged that it is possible to turn off the supply of the refrigerator . It must be of a type approved for use with continuously operating bottled gas appliances, and have threaded compression connections throughout. PUSH-ON CON­NECTIONS MUST NOT BE USED (We do not recom­mend the use of rubber type flexible tubing for con­necting permanently operating appliances of this type in the United Kingdom). All connectors etc. should be of a type specifically designed for the type and diameter of the connection pipe used, and screwed joints should be sealed with a joining compound approved for use with bottled gas. The gas supply pipe should be connected to the gas inlet pipe (outside diameter 8 mm.) by means of a suit­able gas-tight compression fitting, e.g. olive.
In making the connection to the refrigerator, a union gas cock of an approved type bottled gas must be incorpo­rated in the supply line in a position, which is readily ac­cessible to the user. For eventual servicing purposes, the union should be on the outlet side of the cock and the pipework should be positioned so as not to prevent the refrigerator from being readily withdrawn.
On completion of installation, the system must be pressure tested by a qualified technician.
ELECTRICAL CONNECTION
The electrical installation must be carried out in a proper and durable manner; taking into accounts all relevant regulations and codes of practice. For mains voltage operation, it is important that the circuit to and in the caravan is effectively earthed.
For connection to a 230-240 V electricity supply , the re­frigerator has a 3-core mains lead, which is intended for connection to a properly earthed plug and socket outlet. The socket outlet should be fitted in the caravan in a position readily accessible to the user, within reach of the mains lead. In the United Kingdom, the plug and socket outlet should be of the non-reversible type.
Electrical leads must be routed and secured so that they cannot come into contact with hot or sharp parts of the refrigerator.
12 V Supplies
The 12 V connection of the refrigerator is shown in fig. 4. Connect the refrigerator to the vehicle battery or alterna­tor by a direct cable, (check the polarity).
The connection is made to the terminal block (fig. 4 Heater). T o avoid a voltage drop, the cross section area of the connecting cable between battery/alternator and the refrigerator must be 10 mm2. T o ensure satisfactory operation, the positive lead must be fitted with a fuse rated at max. 20 A.
T o prevent the refrigerator from draining the battery , make sure that the current supplied to the caravan is cut off when the vehicle engine is not running, for example by fitting an ignition control relay .
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12 V supply of reigniter and interior light
The reigniter and the interior light must be connected to a separate 12 V battery . Connect the battery to the terminal block (fig. 4 Reigniter , Lamp). Be careful not to make the wrong positive and negative connections. The reigniter should not be connected directly to a bat­tery charger but only over a battery .
TECHNICAL DA T A
RM 7501
Overall dimensions, refrigerator
Height (incl. controls) ........................ 1245 mm
Width ................................................ 525 mm
Depth (incl. cooling unit)
with door ........................................... 545 mm
without door ...................................... 495 mm
Recess dimensions
Height ............................................... 1248 mm
Width ................................................. 530 mm
Depth ................................................ 510 mm
Capacity
Gross ................................................ 135 litres
Net .................................................... 126 litres
frozen food compartment .................. 23.5 litres
Weight (without packaging) .................... 44 kg
Electrical data
Input, 230-240 volt ............................ 220 watt
12 volt ............................. 175 watt
* Energy consumption (in 24h) .......... 3 kWh
LP gas data
Input, max. ........................................ 0.36 kW
* Energy consumption (in 24h) ......... 300 g
Cooling medium: Ammonia Sodium chromate is used for corrosion protection (less than 2 weight % of the coolant).
* Average consumption in 24 h at 25°C mean annual ambient temperature according to ISO standards. Subject to alteration without notice.
Fig. 4
12 V DC
Reigniter
Heater
Lamp
Interior light - bulb - change
If the bulb has to be replaced, proceed as follows:
1. Remove the cover from the lamp body by pushing it backwards.
2. Remove the bulb.
3. Put in a new bulb (12 V, max. 5 W). Sp are part number for bulb: 200 72 90-03.
4. Push the lamp cover back in place.
Wiring diagram RM 7501
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MO-FO 0324
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