Fri-Jado MD 60 Hot User manual

Service Manual Multi Deck 60 UK form 9123765 rev.12/2008WWW.FRIJADO.COM
SERVICE MANUAL
MULTI DECK 60 HOT WITH GLASS FRONT
DOOR
Multi Deck 60 Glass front door
- NOTICE -
This manual is prepared for the use of trained Service Technicians and
should not be used by those not properly qualified. If you have atten-
ded a trianing for this product, you may be qualified to perform all the
procedures in this manual.
This manual is not intended to be all encompassing. If you have not
attended a training for this product, you should read, in its entirety, the
repair procedure you wish to performto determine if you have the ne-
cessary tools, instruments and skills required to perform the procedure.
Procedures for which you do not have the necessary tools, instruments
and skills should be performed by a trained technician.
Reproduction or other use of this Manual, without the express written
consent of Fri-Jado, is prohibited.

Page 2 Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008

TABLE OF CONTENTS
Service Manual Multi Deck 60 form 9123765 rev. 12/2008 Page 3
Index ............................................................................................................................................ 3
General technical data................................................................................................................ 4
Technical Data ....................................................................................................................................... 4
Removal and replacement of parts .......................................................................................... 5
Panels bottom side ............................................................................................................................... 5
Cover plate on field wiring box ............................................................................................................ 5
Illumination/tumble switch ................................................................................................................... 6
Electronic ballast/Interference filter ..................................................................................................... 6
Back panels............................................................................................................................................. 7
Thermostat (Danfoss) ............................................................................................................................ 7
Sensor Danfoss thermostat ................................................................................................................... 8
Blower shelf heating ............................................................................................................................. 9
Heating element.................................................................................................................................. 10
Safety thermostat (reset)..................................................................................................................... 11
Relay ..................................................................................................................................................... 11
Replacing side glass ............................................................................................................................. 12
Replacing the glass door ..................................................................................................................... 14
Electrical tests and service procedures.................................................................................... 15
Heating element test........................................................................................................................... 15
Adjusting Danfoss EKC 102A thermostat .......................................................................................... 15
Control locations.................................................................................................................................. 18
Troubleshooting ........................................................................................................................ 19
Trouble shooting Multi Deck 60 with glass door.............................................................................. 19
Exploded views & Partlists....................................................................................................... 21
Electrical diagrams .................................................................................................................... 24
INDEX

GENERAL TECHNICAL DATA
Page 4 Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008
TECHNICAL DATA
This manual covers the Multi Deck 60 Hot with glass front door .
All of the information, illustrations and specifications contained in this manual are based on
the latest product information available at the time of printing.
Type MD 60 Hot
Power (W) 3100
Fuses needed with power connection
230V, 1N ~ 50Hz ( 1 phase with zero )
1x 13 A
Standard plug from factory single pole 13 A
Net weight (kg) 250
Gross weight (kg) 325
Height (mm) 1912
Width (mm) 620
Depth (mm) 948
Tools
• Standardsetoftools.
• Metricwrenches,socketsandhexsocketkeywrenches.
• Multi-meterandACcurrentclampmeter.
• Insulationvaluetester(Megger)
• Temperaturetester.
GENERAL TECHNICAL DATA

Removal and replacement of parts
Page 5
Service Manual Multi Deck 60/ UK form 913765 rev.12/2008
REMOVAL AND REPLACEMENT OF PARTS
WARNING: Disconnect the electrical power to the machine
at the main circuit box. Place a tag on the circuit box indica-
ting the circuit is being serviced.
PANELS BOTTOM SIDE
1. Remove panel on the front side by lifting
it up with a screwdriver.
2. Slide the side panels backwards and re-
move these panels.
3. Loosen the screws from the back panel
and lift this panel out.
4. Reverse the procedure to install.
COVER PLATE ON FIELD WIRING BOX
1. Remove all panels on the bottom side
and the back panel on bottom side accor-
ding prior procedures.
2. Remove the screws that secure the box
and remove the cover plate.
3. Reverse procedure to install.

Removal and replacement of parts
Page 6 Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008
1. Remove the screws on the top side and
remove cover panel.
2. Remove the nuts on the ballast and re-
move the wiring.
2a. Remove the screws on the filter and re-
move this filter.
3. Reverse the procedure to install.
ELECTRONIC BALLAST/INTERFERENCE FILTER
1. Remove the socket screws on the top side
and turn light fixture towards yourself.
2. Replace lamp.
3. Remove wiring from switch and remove
the switch by pushing the clamps on both
sides.
4. Reverse the procedure to install.
ILLUMINATION/TUMBLE SWITCH

Removal and replacement of parts
Page 7
Service Manual Multi Deck 60/ UK form 913765 rev.12/2008
1. Remove the screws that secure the back
panel and remove this panel.
2. Remove the insulation.
3. Remove the screws that secure the cover
panel and remove this panel.
4. Reverse the procedure to install.
BACK PANELS
1. Remove the honeycomb profile.
2. Remove the socket screws that secure the
fastening plate and remove the fastening
plate.
3. Loosen the blocking clips on the sides of
the thermostat and remove thermostat
from housing.
4. Remove the wiring from the thermostat.
5. Reverse the procedure to install.
Note: When changing the thermostat, first always
change parameter 07 to heating HE.
THERMOSTAT (DANFOSS)

Removal and replacement of parts
Page 8 Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008
SENSOR DANFOSS THERMOSTAT
1. Remove the thermostat according prior
procedure.
2. Remove the back panels + insulation +
cover panel.
3. Remove the panels on the bottom side.
4. Remove the holder with sensor (use a drill
of 3.2 mm.)
5. Remove the screws on the front panel and
remove this panel.
6. Lead sensor through the grommet and
lead the sensor to the back side.
7. Reverse the procedure to install.
Note: See to it that the sensor is placed
straight inside the chamber.

Removal and replacement of parts
Page 9
Service Manual Multi Deck 60/ UK form 913765 rev.12/2008
BLOWER SHELF HEATING
1. Remove the electric panel and all panels
on the bottom side according prior proce-
dures.
2. Remove the socket screws from the ben-
ded plate and fastening plate and remove
these plates.
3. Remove the wiring from the blower.
4. Remove the bolts on the round mounting
plate and remove the blower.
5. Remove the nut on the fan blade and
remove fan blade. (Left handed threads).
6. Remove the screws that hold the blower
and remove the blower from the round
mounting plate.
7. Reverse the procedure to install.
Turningdirectionanti-clockwise

Removal and replacement of parts
Page 10 Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008
1. Remove the back panels, insulation, cover
plate and the thermostat sensor according
prior procedures.
2. Remove all the panels on the bottom side
side + the back panel on bottom side ac-
cording prior procedures.
3. Remove the bended plate and fastening
plate on the back side according prior
procedures.
4. Remove the small cover plate on the back
side.
5. Remove the bolts that hold the cover tray
on the element and remove the tray.
6. Remove the wiring on the heating ele-
ment.
7. Remove the nut that secures the element
and remove the element from the inside.
8. Reverse the procedure to install.
HEATING ELEMENT

Removal and replacement of parts
Page 11
Service Manual Multi Deck 60/ UK form 913765 rev.12/2008
Relay
safety
thermostat
1. Remove the electric panel, back panels,
insulation and cover plate, and the cover
plate on the field wiring box according
prior procedures.
2. Remove the clip on the sensor and remo-
ve the sensor.
3. Remove the wiring on the thermostat.
4. Remove the screws that secure the ther-
mostat and remove the thermostat.
5. Reverse procedure to install.
Note: Set the thermostat on 175°C.
SAFETY THERMOSTAT (RESET)
1. Remove all panels on the bottom side, the
back panel on bottom side and the cover
plate on the field wiring box according
prior procedures.
2. Remove the wiring from the relay.
3. Remove the screws that secure the relay
and remove the relay.
4. Reverse procedure to install.
RELAY
Reset button

Removal and replacement of parts
Page 12 Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008
Replacinga side glass in the MD
Remove all traces of glass and silicone past.
Remove the product stopper from the bottom
plate.
Take out the honeycomb profile and retainer.
Remove the bottom plate.
The attachment brackets are visible.
Remove the six screws from the top plate.
Remove the top plate.
Remove the insulation plates.The attachment brackets are visible.
Remove the old notches that were glued to the
glass by taking them from the attachment
brackets.
Use two spanners to proceed as follows:
Hold nut B with one spanner.
Detach nut A with the other spanner.
Remove the brackets and the old notches.
REPLACING SIDE GLASS

Removal and replacement of parts
Page 13
Service Manual Multi Deck 60/ UK form 913765 rev.12/2008
2
Putting the new glass in place
Attach all nuts B by hand.
Hold nut B in position using a spanner.
Tighten nut A firmly using a spanner.
Put the insulation plates in the top !
Apply the top plate.
Thoroughly clean the side and remove any
traces of fat.

Glue a piece of foam of 1/8". (X) on the top
side.
Apply silicone paste following the pattern as
shown in above picture.
Position the notches which are glued to the
glass in the holes.
Put the brackets on the threaded studs.
Put the screws in the top plate
Put the bottom plate in the unit.
Position the honey comb profile with the
retainer in the opening.
Place the product stopper in the channel in
the bottom plate.
X

Removal and replacement of parts
Page 14 Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008
1
2
3
4
1. Open the door and press the spring
of the hinge pin down with a screw
driver(picture 1+2). Move the door a bit
towards yourself until the pin comes out
of the hole. Hold the door to prevent it
from falling.
2. Tilt the door out of the bottom hinge and
remove the door.
3. Place the new door with the hinge profile
on the bottom side into the bearing. See
to it that the nylon ring and bearing are
placed in the hinge hole. (pict. 3)
4. Move the door towards the upper brac-
ket, push the pin down and see that the
pin slides in the nylon bearing until it is
secured.
5. Glue the bumpers on the outside of the-
hinges to prevent that the door can da-
mage the side glass panel.(pict. 4)
6. Test if the door is fitted in the right way,
that it shuts OK and that the bumpers are
in the right place.
REPLACING THE GLASS DOOR

Page 15
ELECTRICAL TESTS AND SERVICE PROCEDURES
Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008
WARNING: Disconnect the electrical power to the machine at the main cir-
cuit box. Place a tag on the circuit box indicating the circuit is being serviced.
Note: When testing the resistance of the element remove the wiring.
ELECTRICAL TESTS AND SERVICE PROCEDURES
HEATING ELEMENT TEST
Type Wattage/Voltage ResistanceΩ-5%+10% Current A
MD 60 with glass door 1400 / 240 41.2 5.8
ADJUSTING DANFOSS EKC 102A THERMOSTAT
Note: In order to adjust the thermostat, first remove the thermostat according prior proce-
dure.
Changing set point
1. Press the middle button until the temperature value is shown.
2. Change value with upper or lower button.
3. Press the middle button to confirm.
Setting internal parameters
1. Press the upper button for 3 seconds. In display the first parameter appears (ro1).
2. Press the middle button to read out value.
3. Change value with upper or lower button.
4. Press the middle button to confirm.
5. Press the lower button for the next parameter. Follow instructions 2 to 4.
When no key is pressed after last confirmation, system goes back to normal operation
mode after 20 seconds.

ELECTRICAL TESTS AND SERVICE PROCEDURES
Page 16 Service Manual Multi Deck 60 UJK form 9123765 rev. 12/2008
Replacing of thermostat
When you install a new thermostat, then always change parameter r05 first to 0 (°C) and
change parameter o07 to HE. Otherwise some other parameters cannot be changed to the
desired value. Otherwise some other parameters cannot be changed to the desired value.
You can run through the parameters with the up or down keys, once you are inside the para
meter settings.
Options
1. Return to factory settings. Turn the power off. Press and hold the upper and lower button
and switch the power on at the same time.
2. Actual temperature of sensor 1 (Thermostat). Press up key shortly 2 times.
Error codes on display
E1: Fault in controller.
E29: Cabinet sensor broken or wiring problem sensor.
Parameters Danfoss EKC 102A thermostat
MD 60
Setpoint °C 85
r01 Differential °C 1
r02 Higher setpoint limit °C 99
r03 Lower setpoint limit °C 0
r04 Off-settemperatureindication °C -5
r05 Temperature unit (°C / °F) °C °C
r09 Correction of signal from air output °C 0
r12 Start / stop of temperature control 1
c01 Minimum “ON” time compressor min 0
c02 Minimum “OFF” time compressor min 0
c30 Reversed function of relay contact OFF
d01 Defrost method (0=none) 0
d02 Defrost end temperature °C 6
d03 Defrost interval hour 8
d04 Maximum defrost time min 45
d05 “ON” delay after defrost min 0
d10 Defrost sensor (0=time, 1=air) 0
d13 Defrost at start up no
o01 Output delay after start up sec 0

Page 17
ELECTRICAL TESTS AND SERVICE PROCEDURES
Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008
MD 60-
o05 Access code all settings 0
o06 Sensor type ptc
o07 Warm (HE) / cold (rE) HE
o15 Step value display (yes = 0.5°C / no = 1°C) no
o65 Store parameters under number 0
o66 Restore parameters as stored 0
o67 Store current parameter as factory default OFF
u58 Status relay 1 -

ELECTRICAL TESTS AND SERVICE PROCEDURES
Page 18 Service Manual Multi Deck 60 UJK form 9123765 rev. 12/2008
CONTROL LOCATIONS
light switch
heating switch
thermostat EKC 102A

TROUBLESHOOTING
Page 19
Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008
Symptom Possible causes
No power to cabinet controls. 1. Main breaker open.
2. Wiring loose.
Main fuse or breaker blows. 1. Wiring incorrectly.
2. Heating element shorted.
3. Wiring shorted.
Illumination does not work. 1. Lamp malfunction.
2. Tumble switch malfunction.
3. Electronic ballast malfuction.
4. Wiring loose.
No heating. 1. Wiring loose.
2. Heating element malfunction.
3. Relay K1 malfunction.
4. Security thermostat tripped.
5. Wiring loose.
6. Thermostat malfunction.
7. Sensor wiring loose.
Security thermostat tripped. 1. Blower for heating malfunction.
2. Setting of thermostat.
3. Thermostat malfunction.
No indication on electronic thermostat. 1. Electronic thermostat malfunction.
2. Wiring loose.
Blower motor does not run. 1. Wiring loose.
2. Motor inoperative.
TROUBLESHOOTING
TROUBLE SHOOTING MULTI DECK 60 WITH GLASS DOOR

TROUBLESHOOTING
Page 20 Service Manual Multi Deck 60 UK form 9123765 rev. 12/2008
Description of part Symptoms Possible causes Solving: checking / action
Relay K1 Relay does not come in. Wiring Check the wiring
Coil malfunction Check resistance of coil. This
should be ± 7.0KΩ
Contact burned Check the contacts
Heating element The cabinet is not reaching
the adjusted temperature
Wiring Check the wiring
Check the power on the
element
Element malfunction Check the current with AC
current tester. See table on
page 15
Tumble switch Light or heating does not
switch on
Wiring Check the wiring
Contact burned Check the voltage on “in”-
and “output”.
Electronic ballast Light does not switch on Wiring Check the wiring
Ballast malfunction Replace ballast
PL lamp Light does not switch on Wiring Check the wiring
Lamp broken Replace lamp(s)
Security thermostat The cabinet is not reaching
the adjusted temperature
Wiring Check the wiring
Security thermostat swit-
ched off
Reset thermostat
Security thermostat mal-
function
Replace thermostat
Electronic thermostat Display does not light up Wiring Check the wiring
The cabinet is not reaching
the adjusted temperature or
does not heat up at all
Loose sensor Check sensor
Thermostat malfunction Replace thermostat
PTC 1000 sensor The cabinet is not reaching
the adjusted temperature or
does not heat up at all
Broken sensor Replace sensor
Loose sensor Check wiring
The cabinet becomes too
hot
Broken sensor Replace sensor
Sensor shorted Check wiring
Blower(s) on heaters Security thermostat swit-
ched off
Wiring Check wiring
Check voltage on blower
Blower malfunction Check for blockage
Replace blower
This is an analytic description for servicing and repairing all major parts of the Multi Deck 60.
1. Symptoms.
2. Possible causes.
3. Solving of the problem: checking/action.
4. Replacing of parts and testing:
a. Replacing is described in this service manual.
b. For testing see control locations on page 18 of this manual.