BUN WARMER
WD2
WD4
Installation and Operation Manual
S/N: Rev.: 2.0
4.1.2002 Rev. 2.0
1
Dear Customer,
Congratulations on deciding to choose a Metos appliance for your kitchen activities. You
made an excellent choice. We will do our best to make you a satisfied Metos customer
like thousands of customers we have around the world.
Please read this manual carefully. You will learn correct, safe and efficient working meth-
ods in order to get the best possible benefit from the appliance. The instructions and hints
in this manual will give you a quick and easy start, and you will soon note how nice it is
to use the Metos equipment.
All rights are reserved for technical changes.
You will find the main technical data on the rating plate fixed to the equipment. When you
need service or technical help, please let us know the serial number shown on the rating
plate. This will make it easier to provide you with correct service.
For your convenience, space is provided below for you to record your local Metos service
contact information.
METOS TEAM
Metos service phone number:...............................................................................................
Contact person:....................................................................................................................
4.1.2002 Rev. 2.0
2
4.1.2002 Rev.
1
1. General .......................................................................................................... 1
1.1 Symbols used in the manual .......................................................................................... 1
1.2 Symbols used on the appliance ...................................................................................... 1
1.3 Checking the relation of the appliance and the manual ................................................. 1
2. Functional description .................................................................................. 2
2.1 Application of the appliance .......................................................................................... 2
3. Operation instructions ................................................................................. 3
3.1 Before using the appliance ............................................................................................ 3
3.1.1 Unpacking the appliance ........................................................................................ 3
3.1.2 Preparing the operation .......................................................................................... 3
3.1.3 Installation ............................................................................................................. 3
3.2 Operation procedures ..................................................................................................... 4
3.2.1 Operation instructions ............................................................................................ 4
3.2.2 Temperature control ............................................................................................... 4
3.3 After use ........................................................................................................................ 4
3.3.1 Cleaning ................................................................................................................ 4
4. Troubleshooting ............................................................................................ 5
6. Technical specifications .............................................................................. 13
4.1.2002 Rev.
2
4.1.2002 Rev. 2.0
General
1
1. General
Carefully read the instructions in this manual as they contain important information re-
garding proper, efficient and safe installation, use and maintenance of the appliance.
Keep this manual in a safe place for eventual use by other operators of the appliance.
The installation of this appliance must be carried out in accordance with the manufactur-
er’s instructions and following local regulations. The connection of the appliance to the
electric and water supply must be carried out by qualified persons only.
Persons using this appliance should be specifically trained in its operation.
Switch off the appliance in the case of failure or malfunction. The periodical function
checks requested in the manual must be carried out according to the instructions. Have the
appliance serviced by a technically qualified person authorized by the manufacturer and
using original spare parts.
Not complying with the above may put the safety of the appliance in danger.
1.1 Symbols used in the manual
This symbol informs about a situation where a safety risk might be at hand. Given instruc-
tions are mandatory in order to prevent injury.
This symbol informs about the right way to perform in order to prevent bad results, appli-
ance damages or hazardous situations.
This symbol informs about recommendations and hints that help to get the best perform-
ance out of the appliance.
1.2 Symbols used on the appliance
This symbol on a part informs about electrical terminals behind the part. The removal of
the part must be carried out by qualified persons only.
1.3 Checking the relation of the appliance and the manual
The rating plate of the appliance indicates the serial number of the appliance. If the man-
uals are missing, it is possible to order new ones from the manufacturer or the local rep-
resentative. When ordering new manuals it is essential to quote the serial number shown
on the rating plate.
4.1.2002 Rev. 2.0
Functional description
2
2. Functional description
2.1 Application of the appliance
The drawer- type bun warmers are designed to hold bread products in a warm, humidified
atmosphere.
4.1.2002 Rev. 2.0
Operation instructions
3
3. Operation instructions
3.1 Before using the appliance
3.1.1 Unpacking the appliance
The Bun Warmers have been tested and checked for proper operation before leaving the
factory. Upon delivery, please check for damage. If the unit is damaged, contact the car-
rier immediately and retain all packing materials. Damages must be reported within 3
days of delivery.
3.1.2 Preparing the operation
• Remove all packing from the inside of the drawer.
• Remove plastic coverings.
• Remove the perforated base from the drawer, wash, dry and put back to place.
• Remove the water tray, wash, dry and put back to place.
• Wipe all surfaces with a proprietary stainless steel cleaner or a warm, damp cloth.
Dry thoroughly.
3.1.3 Installation
Position the Bum Warmer in the desired position, close to a suitable electrical supply. The
unit is supplied with a 16A plug, connect to the electrical supply.
4.1.2002 Rev. 2.0
Operation instructions
4
3.2 Operation procedures
3.2.1 Operation instructions
• Pull out the water tray and fill to half with fresh water.
• Turn the red switch ‘ON’, the heating starts.
• Allow 20 minutes for pre-heating.
• Place buns or rolls in the warm drawer.
• The thermostat is factory pre-set to 45°C (WD2)/ 50°C (WD4).
Most bread products will warm to serving temperature in 15-20 minutes and can be held
for up to 1 hour. Holding time is longer if the bread products are kept in their packaging.
Check the water level in the water tray every 3 hours of operation.
3.2.2 Temperature control
The Bun Warmer thermostat is factory pre-set to 45°C (WD2)/ 50°C (WD4). The operat-
ing temperature can be adjusted between 40-50°C (WD2)/ 45-55°C (WD4). To change
the temperature, proceed as follows:
• Press the button marked ‘SET’. ‘LI’ will appear in the window changing to the pre-
set temperature flashing on and off.
• While the number is flashing, press the up or down arrows on the right hand side
of the control panel to raise or to lower the operating temperature.
• Press ‘SET’ again, the new temperature setting is now held in the control memory.
• Allow 10 minutes for the new temperature to take effect.
3.3 After use
3.3.1 Cleaning
• Switch the machine ‘OFF’ and remove the power plug from the wall socket. Allow
the unit to cool.
• Remove the perforated drawer base and the water tray. Wash in hot, soapy water,
rinse and dry.
• Remove the drawer by pressing the lugs on the inside of the drawer runner, remove
bread crumbs and wash, rinse and dry. Carefully relocate the drawer on the internal
guides and push back.
• Wipe all surfaces with a proprietary stainless steel cleaner or a warm, damp cloth.
Dry thoroughly.
• Replace the drawer base and the water tray.
4.1.2002 Rev. 2.0
Troubleshooting
5
4. Troubleshooting
Any servicing must be carried out by qualified personnel only. The machine must be re-
moved from electrical supply before any servicing.
PROBLEM POSSIBLE CAUSE MEASURES
Indicated ON/ OFF switch does not
light up.
1. No power to the machine.
2. ON/ OFF switch faulty.
1. Check that the machine is
plugged in and switched
on. Check the fuse in the
plug. Also check that the
circuit breaker at the main
suplly board is on.
2. Call service.
Digital thermostat does not indicate the
temperature reading.
1. Machine switched ‘OFF’
2. ON/ OFF switch faulty.
3. Digital thermostat faulty.
1. Switch ‘ON’.
2. See first answer.
3. Call service.
The unit does not heat up. 1. No power to the machine.
2. ON/ OFF switch ‘OFF’.
3. ON/ OFF switch faulty.
4. Digital thermostat faulty.
5. Heat element faulty.
6. Probe faulty.
1. See first answer.
2. See second answer.
3. See second answer.
4. See second answer.
5. Call service.
6. Call service.
4.1.2002 Rev. 2.0
Troubleshooting
6
4.1.2002 Rev. 2.0
Technical specifications
13
6. Technical specifications
Electrical connections diagram
Electrical connections diagram
230V
PWR
MTR11
ROCKER SWITCH
KYTKIN
BRYTARE
HEAT ELEMENT
LÄMPÖVASTUS
VÄRMEELEMENT
MTW11
MTR11 DIGITAL THERMOSTAT
TERMINAL NUMBER
PROBE
ANTURI
GIVARE
No
1
2
3
4
5
1
11
12
4.1.2002 Rev. 2.0
Technical specifications
15
Item Type Specification
Motor WD2, WD4
Effect WD2 1 kW
Effect WD4 1.4 kW
Max.current WD2 4.2A
Max.current WD4 6.1A
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