Fri-Jado HOT DELI Two Tier 3 User manual

Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
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SERVICE MANUAL
- 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 attended 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
training for this product, you should read, in its entirety, the repair procedure you
wish to perform to determine if you have the necessary 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.
HDTT 4 Square TC
HOT DELI Two Tier 3/4/5/7 MERCHANDISERS
MODELS
Square full service standard
Square full service on underframe

Page 2
TABLE OF CONTENTS
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
EMPTY PAGE

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TABLE OF CONTENTS
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
Versions
Version Issue date
dd/mm/yy
Remarks
10/2016 01/10/2016 First release
06/2018 01/06/2018 Update flap doors

Page 4
TABLE OF CONTENTS
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
Index .......................................................................................................................................................... 4
General technical data.............................................................................................................................. 6
Technical data ....................................................................................................................................... 6
Programming instructions........................................................................................................................ 7
Display ................................................................................................................................................... 7
Removal and replacement of parts ........................................................................................................ 8
Panels back side ..................................................................................................................................... 8
Fuse and fuse holder ............................................................................................................................. 8
Contactor................................................................................................................................................ 9
Blower, left and right hand side ........................................................................................................... 9
Heating element, left and right hand side ........................................................................................ 10
Sensor Danfoss thermostat ................................................................................................................ 10
Thermostat Danfoss ERC 211 .............................................................................................................. 11
Ceramic element.................................................................................................................................. 11
Gas spring square model..................................................................................................................... 12
Front glass door square model ........................................................................................................... 13
Protection profile in front (bumper) .................................................................................................. 14
Electrical tests and service procedures.................................................................................................. 15
Heating element test........................................................................................................................... 15
Adjusting Danfoss ERC 211 thermostat.............................................................................................. 16
Danfoss ERC 211 Settings .................................................................................................................... 17
Control location Two Tier.................................................................................................................... 18
Troubleshooting ...................................................................................................................................... 19
Hot Deli Two Tier 3/4/5/7 .................................................................................................................... 19
Exploded views & partlists..................................................................................................................... 20
Hot Deli Two Tier 3-4-5-7 Square TC Assembly drawing ................................................................... 20
Hot Deli Two Tier 3-4-5-7 Square TC Components drawing 1........................................................... 24
Hot Deli Two Tier 3-4-5-7 Square TC Components drawing 2........................................................... 26
Hot Deli Two Tier 3-4-5-7 Square TC Underframe ............................................................................. 28
Electrical diagrams.................................................................................................................................. 30
Circuit diagram HDTT- 3 Square TC ................................................................................................... 30
Wiring diagram HDTT- 3 Square TC.................................................................................................... 31
Circuit diagram HDTT- 7 Square TC .................................................................................................... 32
Wiring diagram HDTT- 4-7 (4 of 7) Square TC.................................................................................... 33
Circuit diagram HDTT- 4 Square ......................................................................................................... 34
Wiring diagram HDTT- 4 Square ......................................................................................................... 35
INDEX

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TABLE OF CONTENTS
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
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GENERAL INFORMATION
Page 6 Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
GENERAL TECHNICAL DATA
This manual covers the Hot Deli Merchandisers in the model Two Tier square. The Merchan-
disers are available in 4 sizes to build-in into an existing counter. Merchandisers will also be
deliverd on an underframe.
The Merchandisers come in one version and that is in full service.
All of the information, illustrations and specifications contained in this manual are based on
the latest product information available at the time of printing.
TECHNICAL DATA
Type HD 3 HD 4 HD 5 HD 7
Power (W) 4000 4300 4600 8300
Fuses needed with power connection
400V, 3N~50...60Hz (3 phases with zero) 3x 16 A 3x 16 A 3x 16 A 3x 16 A
Fuses needed with power connection
230V, 3~50...60Hz (3 phases without zero) 3x 16 A 3x 16 A 3x 16 A 3x 20 A
Fuses needed with power connection
230V, 1N~50...60Hz (1 phase with zero) 32 A 32 A 32 A 50 A
Standard plug from factory CEE-form 5-pole 16 A 16 A 16 A 16 A
Net weight (kg)
Gross weight (kg)
Height (mm)
Width (mm)
Depth (mm)
Tools
• Standard set of tools.
• Metric wrenches, sockets and hex socket key wrenches.
• Multi meter and AC current clamp meter.
• Temperature tester.
• Insulation value tester (Megger).
• Field Service Grounding Kit.

Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.6/2018
PROGRAMMING INSTRUCTIONS
Page 7
Switch on/off
1. Switch on/off the Merchandiser with the
main switch on the backside.
Check set temperature
The temperature in the warmer is shown on
the display during use.
1. Press SET key.
The set temperature will be shown on the
display. The measured temperature in the
warmer will again be shown after 10 seconds.
PROGRAMMING INSTRUCTIONS
DISPLAY

REMOVAL AND REPLACEMENT OF PARTS
Page 8 Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
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.
1. Open the middle door with the special
key.
2. Loosen the bolt of the next (adjacent)
panel.
3. Turn the panel open.
4. Reverse the procedure to install.
Note: The panels can be lifted out from the
hinges. First lift out the hinge on the middle
panel.
1. Open the middle door with the special
key.
2. Remove the screws that secure the cover
plate and turn cover plate towards
yourself.
3. Remove the 2 bolts that secure the
mounting plate and remove this plate.
4. Disconnect the wiring from the fuse
housing.
5. Remove the flat nut that secures the
housing of the fuse and remove the
housing.
6. Reverse the procedure to install.
REMOVAL AND REPLACEMENT OF PARTS
PANELS BACK SIDE
FUSE AND FUSE HOLDER

REMOVAL AND REPLACEMENT OF PARTS
Page 9
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
1. Open the left side panel according prior
procedure.
2. Take out the left side drawer.
3. Remove the 2 bolts that secure the suction
funnel.
4. Remove the bolt that secures the electric
panel and remove this panel.
5. Loosen the wiring of the blower.
6. Remove the bolts that secure the
mounting bracket on the blower.
7. Remove the blower by sliding this
towards yourself.
8. Reverse the procedure to install.
Note : For the blower on the right hand side
skip step 4.
Note 2:The blower housing is connected to
the mounting plate by means of 2 pop rivets
of 4 mm (part nr. 4312352).
BLOWER, LEFT AND RIGHT HAND SIDE
1. Open the left side panel according prior
procedure.
2. Disconnect the lead wires to the
contactor.
3. Push the locking tab down with a screw-
driver and lift out to remove the contac-
tor from the mounting bracket.
4. Reverse the procedure to install.
CONTACTOR

REMOVAL AND REPLACEMENT OF PARTS
Page 10 Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
1. Open the left side panel according prior
procedure.
2. Remove the bolt that secures the electric
panel and remove this panel.
3. Disconnect the wiring from the element.
4. Remove the drawer and cover plate out
of the cabinet.
5. Remove the 2 nuts and rings that secure
the element and remove the element.
6. Reverse the procedure to install.
Note: For the heating element on the right
hand side skip step 2.
HEATING ELEMENT, LEFT AND RIGHT HAND SIDE
1. Remove the left side panel and the cover
plate according prior procedure.
2. Remove the screw that secures the sensor
and remove the sensor.
3. Remove the 2 bolts that secure the ther-
mostat plate and turn this plate towards
yourself.
4. Disconnect the sensor wiring on the ther-
mostat.
5. Reverse the procedure to install.
SENSOR DANFOSS THERMOSTAT

REMOVAL AND REPLACEMENT OF PARTS
Page 11
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
1. Open the middle door with the special
key.
2. Remove the 2 bolts that secure the ther-
mostat plate and turn this plate towards
yourself.
3. Loosen the blocking clips on the sides of
the thermostat and remove the thermo-
stat.
4. Disconnect the wiring.
5. Reverse the procedure to install.
Note: Set all parameters in the new thermo-
stat.
THERMOSTAT DANFOSS ERC 211
CERAMIC ELEMENT
1. Remove the socket head screws that se-
cure the reflector and turn the reflector
downwards.
2. Remove the wiring from all elements.
3. Remove the socket head screws and nuts
that secure the mounting plate of the
elements and lower this plate.
4. Remove the ceramic element from the
plate by sliding off the clip.
5. Reverse the procedure to install.

REMOVAL AND REPLACEMENT OF PARTS
Page 12 Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
GAS SPRING SQUARE MODEL
1. Turn the front glass to the top position.
2. Remove the screw on the bottom side of
the gas spring.
3. Remove the pin out of the gas spring. Be
aware of supporting the glass.
4. Loosen the adjusting screw on the top side
of the gas spring.
5. Remove the pin out of the gas spring.
6. Remove the gas spring.
7. Reverse the procedure to install.

REMOVAL AND REPLACEMENT OF PARTS
Page 13
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
FRONT GLASS DOOR SQUARE MODEL
1. Turn the front glass to the top position.
2. Remove the screw on the bottom side of
the gas spring.
3. Remove the pin out of the gas spring. Be
aware of supporting the glass.
4. Remove the 2 screws on the top side and
remove the gas spring.
5. Also remove the gas spring on the other
side.
6. Take out the front glass and place this on a
table.
7. Loosen the screws that secure the front
glass and remove the glass.
8. Reverse the procedure to install.
Note 1: It is advisable to replace the glass door
with the assist of a second person.
Note 2: Be sure that the black gasket is be-
tween the glass and alluminium profile.

REMOVAL AND REPLACEMENT OF PARTS
Page 14 Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
PROTECTION PROFILE IN FRONT (BUMPER)
1. Remove the profile with a screw driver.
Slide screw driver over the length to
remove the profile.
2. Install new profile.

ELECTRICAL TESTS AND SERVICE PROCEDURES
Page 15
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
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.
ELECTRICAL TESTS AND SERVICE PROCEDURES
Temperature Resistance
°F °C ± 10 Ohms
60 16 930
70 21 970
80 27 1016
90 32 1056
100 38 1107
125 52 1227
150 65 1347
200 94 1636
250 121 1935
1. Remove the right side panel according
prior procedure.
2. Remove the wiring from the sensor.
3. Connect a temperature sensor to the
probe for comparison.
4. Test the probe with an Ohmmeter.
PTC 1K SENSOR TEST
HEATING ELEMENT TEST
Note: When testing the resistance of the element remove the wiring.
Type Wattage/Voltage Resistance Ω
-0% + 10%
Current A
HD
All models
1500 / 230 35.3 6.5
1500 / 208
150 / 230
28.8
352.0
7.2
0.6

ELECTRICAL TESTS AND SERVICE PROCEDURES
Page 16 Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
ADJUSTING DANFOSS ERC 211 THERMOSTAT
In order to adjust the thermostat, first open the panel on the backside with the key.

ELECTRICAL TESTS AND SERVICE PROCEDURES
Page 17
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
DANFOSS ERC 211 SETTINGS
Doc. nr.
9124300
Rev.
B
Registration form.
Danfoss ERC 211 – 75°C
Pagina 1 van 1
Two Tier
Note! Change parameter r03 first!
r00 Temperature set point 7 5 °C
r01 Differential 1 K
r02 Min set point limitation 6 5 °C
r03 Max set point limitation 9 0 °C
r04 Display offset 0 °C
r05 Display unit (°C/°F) °C
r09 Calibration of Sair 0 °C
r12 Main switch 1
r13 Night set back 0
r40 Thermostat reference displacement 0
r96 Pull-down duration 0
r97 Pull-down limit temperature 0
A03 Delay for temperature alarm
(normal conditions) 30 min
A12 Delay for temperature alarm
(pull down/start-up/defrost) 60 min
A13 High temperature alarm limit 100 °C
A14 Low temperature alarm limit - 3 0 °C
A27 DI1 delay 30 min
A37 Condenser high alarm limit 8 0 °C
A54 Condenser high block limit 8 5 °C
A72 Voltage protection enable no
A73 Minimum cut-in voltage 0 V
A74 Minimum cut-out voltage 0 V
A75 Maximum voltage 270 V
d01 Defrost method
(no=no defrost, nAt=natural) no
d02 Defrost stop temperature 6 °C
d03 Defrost Interval 8 hr.
d04 Max. defrost time 30 min
d05 Defrost delay at power up 0 min
d06 Drip delay 0 min
d10 Defrost stop sensor
(non=time, Air=Sair) non
d18 Compressor accumulated 0 hr.
d30 Defrost delay after pull-down 0 min
c01 Compressor minimum ON time 0 min
c02 Compressor minimum OFF-time 0 min
c04 Compressor OFF delay 0 sec
c70 Zero crossing selection yES
o01 Delay of outputs 0 sec
o02 DI1 configuration oFF
o03 Serial address 0
o05 Password no
o06 Sensor type selection
(n5=NTC5 K, n10=NTC10 K, Ptc=PTC,
Pt1=Pt1000)
Ptc
o07 Cooling/heating
(rE=refrigeration / Ht=heat) Ht
o15 Display resolution (°C) 0.1
o23 Relay counter 0
o61 Predefined applications AP0
o67 Save settings as factory no
o91 Display at defrost d
P73 DI1 input polarity no
P76 Keyboard lock enable no
u01 Air temperature (Sair) - °C
u02 Read the present regulation refer-
ence -
u10 DI1 input -
u13 Status of night operation -
u58 Compressor relay status - -
u80 Firmware version readout -

A7
75.4
A1
A2
A3 A5
A4 A6
ELECTRICAL TESTS AND SERVICE PROCEDURES
Page 18 Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
CONTROL LOCATION TWO TIER
A1 Heating on/off
A2 Indication °C or °F
A3 Back key
A4 OK/set key
A5 Up key
A6 Down key
A7 Main switch
If the elements are switched on, the indicator lamp A1 will go on.
Error codes on display:
E29: PT sensor broken or wiring problem sensor.
A01: High temperature alarm.
A02: Low temperature alarm.
A99: High voltage alarm.
AA1: Low voltage alarm.
oFF: Main switch alarm. Check parameter r12.
Wrong temperature displayed: Wrong type of sensor selected. Check o06.
When reporting error codes the unit is switched in stand-by mode and cannot be used util
the problem is resolved.

TROUBLESHOOTING
Page 19
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
TROUBLESHOOTING
HOT DELI TWO TIER 3/4/5/7
Symptom Possible causes
No power to warmer controls. 1. Main breaker open.
2. Fuse F1or F2 burned.
3. Tumble switch malfunction.
4. Wiring loose.
No indication on electronic thermostat. 1. Tumble switch heating malfunction.
2. Fuse F1 or F2 burned.
3. Electronic thermostat malfunction.
4. Wiring loose.
Display does not reach desired tempera-
ture.
1. Incorrect line voltage.
2. PTC-1000 sensor malfunction.
3. Heater(s) inoperative.
4. Blower motor(s) inoperative.
5. Contactor inoperative.
6. Check parameters electronic thermostat.
Display temperature gets too high. 1. PTC-1000 sensor malfunction.
2. Contactor inoperative.
Ceramic element(s) do not work. 1. Contactor inoperative.
2. Ceramic element(s) inoperative.
3. Wiring loose.
No lighting. 1. Incorrect line voltage.
2. Tumble switch malfunction.
3. Bad contact on lamp holders.
4. Lamp malfunction.
5. Electronic ballast malfunction.
6. Wiring loose.

D-0218-01
22
4
4-1
8
6
21
21-8
21-9
21-2 21-3
21-5
21-6
21-4
21-1
21-15
21-7
21-11
21-12
21-10
21-13
21-14
25
37
39
38 36
35
34
33
31
30
40
42
41
43
26
24
23
29
26
22
7
9
5
5-1
12
20
11
16
13
15
14
19
18
14
1-1
52
5-3
5-4
5-5
5-2
5-6
5-7
4-6
4-7
4-2
4-5
51
2
1-3
1-4
1-5
1-2
32
4-3
4-4
1
28
27
10
17
44
44
48
49
47
47
46
45
50
EXPLODED VIEWS AND PARTLISTS
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.6/2018
Page 20
EXPLODED VIEWS & PARTLISTS
HOT DELI TWO TIER 3-4-5-7 SQUARE TC ASSEMBLY DRAWING