8.2.1 Start-up
Before starting up the unit check that the electrical connections have been made correctly as indicated in headings 3.3 and 3.4 "In-
struction and Maintenance Manual".
Perform preliminary cleaning of the unit as described in sub-heading 5.2.1. "Instruction and Maintenance Manual"
Starting sequence (Fig. 40)
- press STAND-BY pushbutton for 5 seconds and the display lights up
- wait until the display stop blinking
- set the internal watch with the actual hour
The first step to do is the regulation of the internal watch in the following way:
- press the DOWN key for 2 seconds. The display will evidence "rtC" (real time clock)
- press the SET key and the display will evidence yy00 (year). Press up or down to change it
- press the SET key and the display will show up nn01 (month). Press up or down to change it
- press the SET key and the display will show up dd01 (day). Press up or down to change it
- press the SET key and the display will show up hh00 (hour). Press up or down to change it
- press the SET key and the display will showup nn00 (minutes). Press up or down to change it and then press SET.
At the end of the complete set up do not operate on the pushbuttons for 60 seconds.
Automatically it will memorize the new settings and exit of the process.
8.2.2 Stopping the unit (Fig.40)
Press STAND-BY pushbutton for 5 seconds and the display switches off. In case the appliance will remain off for a prolonged period,
it is strongly recommendable to remove the appliance plug from the power socket.
8.2.3 Set-up and adjustment operations
The appliance is factory set for operation at the following temperature:
- serie MPR : +2°C / +15°C
- serie LR : 0°C / +15°C
- serie LF : -5°C / -20°C ~ -25°C
- serie LDF : -15°C / -30°C
- serie PDF : -25°C / -40°C
- serie MPRR : +2°C / +15°C (1
- serie LCRR : 0°C / +15°C (1
- serie LCRF : 0°C / +15°C (refrigerator compartment), -5°C / -20°C ~ -25°C (freezer compartment)
If you intend to use different temperatures, proceed as follows (Fig.40):
- press SET (13) and release. The display shows the actual programmed temperature
- to increase the temperature, press the UP key (6) within 5 seconds
- to lower the temperature, press the DOWN key (5) within 5 seconds
The instrument automatically memorizes the programmed temperature last value.
8.2.4 Automatic and manual defrosting
The appliance is factory set for automatic defrosting at pre-set intervals.
If you wish to defrost manually in accordance with effective requirements, proceed as follows (Fig. 40):
- press the DEFROST pushbutton (16) for more than 3 seconds
During the automatic or manual defrost cycle the DEF led (9) on the control panel will be steadily illuminated. At the end of the defrost
cycle the led will switch off and the appliance automatically resumes its normal operating cycle.
8.2.5 Alarm signallings
The thermo-regulator, in occasion of an alarm condition, will activate a buzzer for the acoustic signalling and light-up the led 7, and it
will signal, with a code indication, the type of alarm. The display will indicate:
Alarm code
Description
Pr1
Faulty chamber probe
Pr2
Faulty evaporator probe
Pr3
Faulty condenser probe
COH
Overheated condenser
DFd
End of defrosting with after maximum time allowed
AL
Low temperature alarm
AH
High temperature alarm
PF
Power failure
id
Door ajar alarm
Rtc
Wrong programmation of the internal watch (must be programmed again)
RLS
Signals the presence of an alarm in the memory
LS
Alarm folder
The thermo-regulator can store, into its memory, up to 3 alarms (HACCP). The controller provide the following information :
- critical value of temperature
- date and real time of alarm registration
- duration of the alarm (from 1 until 99h e 59 min., partial if alarm in progress)
8.2 OPERATION OF THE STANDARD CONTROL PANEL
refrigerator compartment), +2°C / +15°C (2
st
refrigerator compartment), 0°C / +15°C (2
st
refrigerator compartment)
nd
refrigerator compartment)
nd
11
VERS. 0816