tecnomac TC 60-N, TC 60-P, TC 60-C User guide

INSTRUCTION MANUAL

OUR SYSTEMS COMPLY WITH DIRECTIVES 73/23 EEC - 89/336 EEC

ISO 9001

Cert. N° 0412/2

Cod. 71503560/0 - 12/2003

PRESERVATION CABINETS

TECNOCONTROL

TC 60-N

-10 / -22 °C

TC 60-P

+8 / -2 °C

TC 60-C

+15 / +2 °C
HR 40% / 90%

CONTENTS

1. GENERAL DOCUMENTATION

1.1 General information page 4

1.2 Installation page 4

1.3 Transport and handling page 4

1.4 Unpacking - disposal of packing page 4

1.5 General safety regulations page 5

2. INSTALLATION

2.1 Dataplate information page 5

2.2 Positioning page 5

2.3 Ambient temperature and air circulation page 6

2.4 Electrical connections page 6

2.5 Connection of refrigerator - remote units page 6

2.6 Condensate drainage connection page 6

2.7 Notes for the installer page 6

2.8 Safety and control systems page 7

2.9 Appliance disposal page 7

3. TECHNICAL CHARACTERISTICS page 8

4. PROGRAMMING INSTRUCTIONS

4.1 Starting up the appliance page 9

4.2 Language setting page 9

4.3 Date and time setting page 10

4.4 Set-point setting and display page 10

4.5 Cell loading function page 10

4.6 Continuous cooling function page 10

4.7 Door microswitch function page 10

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5. DEFROST MANAGEMENT

5.1 Manual defrost page 11

5.2 Periodic defrosting page 11

5.3 Timed defrosting page 11

6. MANAGING AND SILENCING DETECTED ALARMS

6.1 Storing alarms page 12

6.2 Silencing alarms page 12

6.3 Alarms list page 12

6.4 Serious alarms list page 13

6.5 List of other operating faults not indicated page 14

7. MAINTENANCE AND CLEANING

7.1 Basic safety regulations page 15

7.2 Cleaning the condenser page 15

7.3 Cell cleaning page 16

7.4 Defrost water drainage page 16

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1. GENERAL DOCUMENTATION

1.1. General information

• This manual is an integral part of the pro­duct and provides all the information
necessary for ensuring correct applian­ce installation, operation and maintenan­ce.

• Read the manual carefully, and always
consult it for appliance operation. Keep
the manual in a well-known place acces­sible to all authorised operators (instal­lers, users and maintenance personnel)

The appliance complies with Directives

73/23/EEC (low-voltage), 89/336/EEC
(electromagnetic compatibility) and
machines 98/37/EC (for some models
only).

• The appliance is designed for professio­nal use and therefore must only be ope­rated by qualified personnel.

• The appliance must only be used for its
designed purpose, i.e. for preserving
food products.
The appliance must not be used for pro­ducts requiring constant temperature
control and recording, such as

- heat-sensitive chemicals,

- medicines

- blood derivatives.

• The manufacturer declines all responsibi­lity for any damage caused by incorrect
or unreasonable use, such as:

• improper use by untrained persons

• technical modifications or operations
that are not specific to the models

• use of non-original or non-specific
spare parts

• failure to follow the instructions given
in this manual

1.2 Installation

The appliance must only be installed by
specialised personnel authorised by
Tecnomac, according to the instructions
given in this manual.

If the appliance is fitted with a remote con­denser unit, the installer is responsible for
checking all connections in compliance
with the instructions given by Castelmac
for plant and appliance installation.

1.3 Transport and handling

• Loading or unloading the appliance
and/or subsystems from/onto the means
of transport can be done with a lift truck
or fork lift equipped with forks at least
half the length of the cabinet; or a crane
if the appliance is fitted with eyebolts.
Choose lifting equipment suitable for the
weight and overall dimensions of the
packed appliance/components.

• When handling the appliance/subsy­stems, take all necessary precautions to
prevent damage, complying with the
indications given on the packing (fig. 1)

1.4 Unpacking

• Remove all packing in cardboard, wood
or boxes from the wood base on which
they are placed. Lift the
appliance/subassemblies with suitable
means (e.g. lift truck), remove the wood
base, then position the appliance/subas­semblies in the required place.

• After removing the packing, check the
integrity of the appliance.

• Remove the protective PVC film on the
panels, from all internal and external

2.1 Data plate information

• Check that the data specified on the
plate correspond to the characteristics of

the power supply (V,
kW, Hz, no. phases
and power available)

• The data plate
with appliance specifi-

cations is located at the
rear exterior of the machine and/or on the
electrical control boxes. Any preparation
of individual appliances for the positioning
of condensing units must comply with the
current fire-prevention regulations in the
country of installation (see the local fire
department for the necessary details).
Bear in mind that any intervention of safe­ty valves or fuse plugs in the refrigerating
circuit will lead to the immediate dis­charge of refrigerant into the environment.

2.2 Positioning

• The appliance must be installed and
commissioned in full compliance with
safety regulations, procedures and cur­rent laws

• The installer must ensure compliance
with any fire-prevention provisions (see
the local fire department for the neces­sary details).

• Position the appliance in the allocated
site

• Adjust the feet until the appliance is per­fectly level. For levelling heavy applian­ces, use appropriate lifting means

WWWWAAAARRRRNNNNIIIINNNNGGGG !!!!!!!!!!!!

THESE OPERATIONS MUST BE ONLY

PERFORMED BY A

LICENSED INSTALLER

2. INSTALLATION

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surfaces (fig. 2)

•

Always wear protective gloves when

handling packing material and the
wood base.

• NB: Dispose of packing materials in com­pliance with current regulations in the
country where the appliance is installed.
Do not disperse materials in the environ­ment.

1.5 General safety regulations

The user is fully responsible in case of any
operations carried out on the appliance
and not in compliance with the instructions
given in this manual. The main safety reg­ulations are as follows:

-

do not touch the appliance with moist

or wet hands or feet - do not operate
on the appliance when barefoot;

- do not insert screwdrivers, kitchen
utensils or any other object between
the guards and moving parts

- before performing cleaning or routine
maintenance operations, disconnect
the machine from the power supply by
operating the main switch, also
disconnecting the main knife switch
(if present)

- do not pull the power cable to discon­nect the appliance from the power
supply

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(fig. 1)

• If the appliances are not perfectly level,
their correct operation and condensate
run-off may be compromised.

AVOID

• direct exposure to sunlight

• closed sites with high temperatures and
poor air circulation

• Do not install the appliance near any heat
sources (fig. 4).

2.3 Ambient temperature and
air circulation

For air-cooled refrigerating units, the
maximum ambient temperature for ope­ration is 32°C. Correct operation cannot
be guaranteed at higher temperatures.
The appliance can operate safely up to
38°C.
Remote condensing units must be instal­led in special rooms or outdoors, in a
place protected against direct sunlight; if
necessary the installer must evaluate the
use of a covering or roof structure (the
costs are borne by the purchaser).
In any case, sufficient air interchange
must be guaranteed.

2.4 Electrical connections

A differential thermal-magnetic circuit
breaker complete with disconnecting
switch must be installed ahead of every
appliance, in accordance with current
regulations in the country of installation.

• Electrical connection cables must com­ply with the characteristics given in the
technical data (see appliance wiring dia­grams, the installer’s responsibility)

The earth wire must be correctly connec­ted to an efficient earthing system.

THE MANUFACTURER DECLINES ALL
LIABILITY AND WARRANTY OBLIGA­TIONS IN THE EVENT OF INJURY TO
PERSONS OR DAMAGE TO EQUIP­MENT AND THINGS, DUE TO INCOR­RECT INSTALLATION AND/OR FAILU­RE TO COMPLY WITH CURRENT
LAWS.

2.5 Connection of refrigerator-remote
units

Appliance feed lines are sized for instal­lation distances of up to 10 metres. For
greater distances, contact Castelmac.

2.6 Condensate drainage connection

For all models, fit a condensate/wash
water drainage hose with a minimum dia­meter of 1” (“geberit” type or similar).

2.7 Information for the installer

Before starting up the machine, check
that it has been correctly installed and
commissioned (test report)

1. Make sure there are no gas leaks from
welds or joints made during the installa­tion phase.

2. Check that the pipes connecting the con­denser to the remote condensing unit
have been well insulated.

7

3. Check all wiring connections.

4. Check electrical input.

5. Check the standard pressure of the refri­gerating system.

6. Check the water connection with adjust­ment of the pressure switch valve during
operation and the correct flow of conden­sing water (in water-cooled units).

7. Check that the preservation unit reaches
the set temperature and do a manual
defrost.
If the appliance or the remote conden­sing unit have not been transported in an
upright position (e.g. horizontally) or
have been overturned during installation,
wait at least 4 hours before starting up
the equipment.

• Inform the customer of the exact use of
the appliance, with specific reference to
the use and requirements of the custo­mer.

Installation and commissioning
must be carried out by authorised
Castelmac personnel.

2.8 Safety and control systems

• Door microswitch:
shuts off fans in the cell when the door is
opened.

• Main fuses:
protect the power circuit against short cir­cuiting and overloads

• Safety thermostat:
intervenes when the appliance overheats
due to extended operation of evaporator
defrosting elements

• Safety pressure switch:
intervenes in the event of overpressure in
the refrigerant circuit

• Mechanism to open door from inside
should the door accidentally close

• Chamber temperature control:
controlled by the electronic board by
means of the sensor located inside the cell

• End of defrost temperature control: con­trolled by the electronic board by means of
the sensors on the evaporator.

• Internal humidity control (for TC 60-C only)
This is controlled by the electronic board by
means of the sensor located inside the cell.

2.9 Appliance disposal

The appliance must be demolished and
disposed of in compliance with current
regulations in the country of installation,
above all with regard to the refrigerant
gas and compressor lubricant oil.

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(*) Evaporation temperature -10 °C ∆ 120x165x360 mm.
(**) Evaporation temperature -28 °C

890 mm

2350 mm

1990 mm

1200 mm

3. THECNICAL CHARACTERISTICS

TC60-N TC60-P TC60-C

Width 890 890 890

Depth 1200 1200 1200

Height 2350 2350 2350

Thickness of insulation 70 mm

Tray size 600 x 800 mm (not supplied)

Max. no trays (distance between trays 50mm): 30 (600 x 800 mm); 60 (600 x 400 mm)

Distance setting between trays 10mm

20 pairs of guides for 600 x 800 mm trays provided.

TECHNICAL SPECIFICATIONS

Temperature °C -10 / -22 +8 / -2 +15 / +2

Power supply 220-230V/50HZ 220-230V/50HZ 220-230V/50HZ

Refrigerant R404a R404a R404a R404a

Current absorbed 7.5 A 4.2 A 5 A

Input power 886 W 700 W 860 W

Defrosting Hot gas

Dehumidification control

Can be programmed from 40% to 90% (available with TC60-C version only)

HACCP 24/7 internal temperature control with alarm registration

Built-in condensation unit (remote-controlled on request)

Outside
dimensions
mm.

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4.1 Starting up the appliance

Power up the preservation unit using the
main switch.
Switch on the controller, holding down the

ON/OFF pushbutton. The controller will dis-

play the welcome message and show the
installed software and go to the following
box:

Message with compressor switched off and
display of temperature inside cell.

The cabinet prepares for operation at the
preset temperature.

Message with compressor switched on and
display of temperature inside cell.

The display shows the temperature detected
by the sensor inside the cell.
To switch off the controller, hold down the

ON/OFF pushbutton for 5 seconds; after

this the controller will go on a low voltage

stand-by operation mode and will display the
following boxes:

The message displayed on the LCD screen
in OFF is WAITING with cursor flashing.

IMPORTANT: to turn off the power to the
controller use the main switch.

4.2 Language setting

Press the MENU button and with the or

buttons go to

MENU 7 LANGUAGE;

press the ENTER button to display the first

language. When the or button is
pressed again the available languages are
selected.

Menu 7

LANGUAGE

WAITING _

OFF

COOLING >>OK
CELL -14,5°C

PAUSE >>OK
CELL -14,5°C

4. PROGRAMMING INSTRUCTION

ON/OFF

Continuous

cooling

function

Infrared

data

receiver

Selects the

menus

Decreases

the value

Confirms entering

the selected

menu or

the selected value

Increases

the value

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When the desired language is displayed,
press the

ENTER button; the controller

requests a second confirmation, displaying

EXIT or CONFIRM.

Press the button to confirm or the

ENTER

button to exit and return to the first box.

4.3 Date and time setting

Press the MENU button and with the or

buttons go to

MENU 8 SET CLOCK;

press

ENTER and the date and time will be

displayed with the first figure of the day flash­ing. Change the figure with the or buttons
and confirm the value with the

ENTER but-

ton; the new value is stored and the month
figure will flash.
Repeat the procedure until arriving at the
seconds value, then press the

ENTER but-

ton. When the values have been stored, the
date and time will flash.

4.4 Set-point display and setting

Press the MENU button and with the or

buttons go to

MENU 2 CHANGE SET

POINT

; press the ENTER button; the set

temperature and the temperature to be mod­ified will be displayed. Modify the

NEW SET

temperature using the button to increase

the value by N degrees and the button to
decrease the value by N degrees. To store
the new set temperature press the

ENTER

button.
The new value will flash to confirm it has
been stored.

4.5 HUMIDITY ADJUSTMENT
(on TC60C only)

Press the MENU and use the

or

but-

tons to open the

MENU 3 - CHANGE HUMID-

ITY window; press ENTER; the current

humidity level and the new one to be set will

be shown. Use the

or

buttons to

change the humidity

NEW RH% and press

ENTER to confirm. The value will blink to

confirm it has been accepted.
Humidity values can be varied within an
accepted range of 40% to 90%.

4.6 CONTINUOUS COOLING FUNCTION

Hold the button for a few seconds to turn
on the continuous cooling function.

CONTINUOUS COOLING will appear on the

display; press

or

to set the continu­ous running time limit of the compressor
(MAX 6 HOURS). With this function,
HIGH/LOW temperature alarms are inhibited.
At the end of Continuous Cooling the preser­vation unit returns to normal working condi­tions.

4.7 Door microswitch function

The controller signals door opening, showing
the following box on the display:

The evaporator fans will stop each time one
of the doors is opened and will restart when
the door is closed. If the door stays open for
more than 5 minutes, the warning buzzer is
activated and the evaporator fans will restart
as though the door were closed.

DOOR OPEN >>OK
Cell -21°C

NEW SET: -15°C
PRESENT: -15°C

Menu 2

CHANGE SETPOINT

Date: 12/04/03
Time: 11:54:23

11

5.1 Manual defrost

A manual defrost can be activated: press the

MENU button, with the or buttons go
to MENU 4 DEFROST and press the ENTER

button.
The controller requests a further confirma­tion, displaying

EXIT or CONFIRM. Press the

button to confirm or the

ENTER button to

exit and return to the first box.

Message with defrost active:

At the end of defrosting the compressor will
restart and the display will show the word
REGENERATION until the set-point tempera­ture is reached.

Defrosting is completed when the set-point is
reached (detected by the two sensors locat­ed on the evaporator) or when the maximum
defrost time is reached.
In the case of maximum time being reached
the controller signals the anomaly with the
following intermittent alarm message and the
buzzer:

The controller memorises the type of alarm,
date and time.
To cancel the alarm message press the

ENTER button.

In any case, the alarm is stored in the con­troller’s alarms memory.

5.2 Periodic defrosting

For all models, defrosting can be repeated
automatically at regular intervals, beginning
immediately after the appliance is switched
on.
The time between automatic defrosts is fac­tory-set at 6 hours.
Also in this case, defrosting is completed on
reaching the set-point (detected by the two
sensors on the evaporator) or when the max­imum defrost time is reached.
The anomaly is signalled as in the case of
manual defrosting.

5.3 Timed defrosting

It is possible to set the starting time for 4 daily
automatic defrosts that will always be repeat­ed in a 24-hour time period. In this mode,
automatic periodic defrosts are disabled.
Defrosting is completed as described above.

F18 DEFROST TIME

S 19/02/02 06:09

DEFROST TIME

—> Call SERVICE

REGENERATION >>OK
CELL -10,5°C

DEFROST >>OK
CELL -18°C

Menu 4

DEFROST

5. DEFROST MANAGEMENT

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6.1 Storing alarms

The controller is equipped with visual and
acoustic signalling of alarms caused by
appliance operation anomalies.
A maximum of 16 alarm events are stored;
further alarms will overwrite those already
recorded. The alarms are signalled by a
buzzer and the display will show the type of
alarm.
There is signalling delay only for HIGH/LOW
cell temperature alarms, which are signalled
60 minutes after being detected.
The controller will show the HIGH or LOW
temperature pre-alarm on the display, storing
it in the alarms list when the time has
elapsed.

Cell high temperature pre-alarm message

Cell low temperature pre-alarm message

When the pre-alarm time has elapsed the
controller will show the following message:

To cancel the alarm enter the

MENU 1

ALARMS LIST.

6.2 Silencing alarms

To silence the buzzer during an alarm press
the

ENTER button

6.3 Alarms list

It is possible to display the alarms that the
controller stored during its operation.
To enter the display press

MENU, with the

or buttons go to

MENU 1 ALARMS

LIST and press ENTER.

Using the or buttons scroll the alarms
stored by the controller.
The controller stores the type of alarm, the
start date of the alarm and its duration in
minutes.

If the and buttons are pressed at the
same time the date of the last alarm reset is
displayed. The maximum and minimum tem­perature alarm also displays the maximum
and minimum temperatures reached.
In the blackout alarm the date/time of power
failure start and finish is recorded. If no
alarms have been stored the controller dis­plays

NO EVENTS IN MEMORY.

Example of high temperature alarm:

AL 27: HIGH TEMP.

Duration 015’

AL 27: HIGH TEMP.
S.=18/03/02 12:29

AL 27: HIGH TEMP.
Max Temp.= +25°C

ALARM DETECTED

CELL -24,0 °C

PAUSE >>Lt
CELL -24°C

COOLING >>Ht
Cell -18°C

6. MANAGING AND SILENCING
DETECTED ALARMS

13

FAULT MESSAGES (they compromise appliance operation - CALL THE TECHNICAL ASSISTANCE SERVICE)
MESSAGE DISPLAY CAUSE CANCELLATION

ERR. SENSOR S1 Intermittent Temperature sensor fault Automatic on elimination of fault

ERR. SENSOR S2 Intermittent Evaporator sensor fault Automatic on elimination of fault

ERR. SENSOR S6 Intermittent Evaporator sensor fault Automatic on elimination of fault

ERR. SENSOR IN Intermittent Sensor reading out of range Switch the controller off and on

DEFROST TIME Intermittent Long defrost time Press ENTER

COMP. USE Intermittent Long compressor operation time Press ENTER

LOW EVAP T Intermittent Evaporator temperature Press ENTER on

below the set-point Elimination of fault

PROTECTION Intermittent Intervention of max. pressure switch Reset high pressure switch or

or compressor thermal-magnetic thermal-magnetic circuit breaker
circuit breaker Switch the controller off and on

Example of power failure (blackout) alarm:

In the case of HIGH/LOW temperature
alarms, a pre-alarm time of 60 minutes is
counted before they are stored; when this
time has elapsed the controller records the
alarm in the alarms list and shows the follow­ing message on the display:

To cancel this indication, enter the alarms list
as described in the previous paragraph

6.4 Serious alarms list
SERIOUS alarms can cause the preservation

unit to function incorrectly.
They are displayed in the same way as the
other alarms and the buzzer is activated. To
silence the buzzer press

ENTER.

Cancellation occurs automatically when the
fault is eliminated, but the alarm is still stored
in the

ALARMS MENU.

IMPORTANT!

IN THE EVENT OF A SERIOUS ALARM,

CONTACT THE AUTHORISED

TECNOMAC SERVICE CENTRE.

ALARM DETECTED

CELL -24,0 °C

AL 26: BLACK OUT
S.=15/03/02 10:01

AL 26: BLACK OUT
B.=15/03/02 10:22

AL 26: BLACK OUT
Max Temp.= +12°C

Max temp.

reached

during the

power failure

Number of alarms Type of alarm

End of power failure date and time

Start of power failure date and time

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WARNING MESSAGES (they do not compromise appliance operation)
MESSAGE DISPLAY CAUSE CANCELLATION

>>HT CONTINUOUS high temperature pre-alarm Automatic cancellation

>>LT CONTINUOUS low temperature pre-alarm Automatic cancellation

ALARM DETECTED CONTINUOUS alarm recorded Eliminate the cause

in the memory of the alarm and enter

MENU 1 to reset the
controller alarms list

SET CLOCK loss of clock data Set clock data

6.5 List of other operating faults not indicated:

FAULT CAUSE CURE

Compressor does not operat 1 - No power 1 - Check connection to power supply

Fans do not rotate 1 - No power 1 - Check connection to power supply

2 - Faulty fan 2 - Contact a technician for replacement
3 - Faulty condenser 3 - Contact a technician for replacement
4 - Protection fuse blown 4 - Contact a technician for replacement

Electronic board 1 - No power supply 1 - Check connection to power
does not switch on 2 - Protection fuse blown 2 - Contact a technician for replacement

Compressor operates but 1 - No refrigerant gas 1 - Contact a technician
does not cool cell 2 - Dirty condenser 2 - Clean the condenser

15

The information and instructions given in this
section are intended for all personnel operat­ing on the appliance: the user, the mainte­nance man and also non-specialised per­sonnel.

Ensure that the electrical power to the
system has been disconnected before
carrying out any cleaning or maintenance
work on the appliance.

7.1 BASIC SAFETY REGULATIONS

To safely carry out all cleaning and routi­ne maintenance operations, follow these
rules:

- do not touch the machine with moist or
wet hands or feet.

- do not operate the machine when
barefoot;

- do not insert screwdrivers, kitchen uten­sils or any other object between the
guards and moving parts.

- before performing cleaning or routine
maintenance operations, disconnect the
machine from the power supply at the
main switch and pull out the plug.

- do not pull the power cable to disconnect
the appliance from the power supply.

Removal of guards and safety devices
for the purposes of routine maintenance
is strictly prohibited. The manufacturer
declines all responsibility for accidents
caused by non-compliance with the
above obligation.

Before starting up the appliance, careful­ly clean the inside of the cell.

7.2 CLEANING THE CONDENSER

To ensure correct and efficient air con­denser operation, it must be kept clean to
allow free circulation of air. This operation
should be performed at least every 30
days. Use a non-metal brush to remove
all dust and debris from the condenser
fins.
Use a vacuum cleaner to prevent the
dust removed from being dispersed in
the environment. To remove greasy
deposits, use a brush soaked in alcohol.

DO NOT USE SHARP OR ABRASIVE
OBJECTS TO SCRAPE THE SURFACES

PERFORM THIS OPERATION ONLY
WITH THE APPLIANCE SHUT DOWN

IMPORTANT

The condenser has sharp edges. Always
wear protective gloves, glasses and breath­ing masks when carrying out the above oper­ations.

7. ROUTINE MAINTENANCE

IIIIMMMMPPPPOOOORRRRTTTTAAAANNNNTTTT !!!!!!!! !!!!!!!! !!!!!!!!

THESE OPERATIONS MUST

BE PERFORMED ONLY

BY A LICENSED INSTALLER

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7.3 CELL CLEANING

To guarantee hygiene and ensure the
quantity of the preserved foods, clean
the interior of the cell frequently, accor­ding to the type of food stored.

-ì Weekly cleaning is recommended.

The cell interior and components can be
cleaned with a soft cloth or sponge.

Clean with water and non-abrasive neu­tral detergents. Rinse with a cloth or
sponge soaked with water, or with a gen­tle jet of water (not stronger than mains
pressure). Do not use sharp or abrasive
instruments to scrape the surfaces. DO
NOT USE ABRASIVE FLUIDS, SOL­VENTS OR THINNERS.

NB: Always wear protective gloves when
cleaning.

7.4 DEFROST WATER DRAINAGE

The system is arranged for automatic and
manual defrosting, as required.
Make sure that the water from the evaporator
drains correctly into the collection bowl, and
that the drain tube is not clogged.

Via del Lavoro, 9 - C.P. 172
I - 31033 Castelfranco Veneto (TV) Italy
Tel. [phone]
Fax. [phone]
E-mail: [e-mail]
Web-site: www.castelmac.it

Cod. 71503560/0 - 12/2003