24
9
Checks, regulations and adjustments
Before turning the unit on, check that:
-
locking screws are tight
-
electrical connections have been carried out correctly.
In the event that the unit has been opened:
-
no tools were left inside
-
assembly is correct
-
there are no gas leaks
-
front cover is secured correctly
9.1
1
Starting
Before starting the unit act as follows:
-
Connect the unit to the mains. The display is turned on and shows OFF.
-
If the unit has a preheating cycle, leave it in this condition for at least 3 hours.
-
If the unit has a voltage monitor, leave it in this condition for at least 7 minutes to have the counting phase
carried out
-
Press ON/OFF key to switch the unit on.
-
Set the required cold room temperature.
ATTENTION
Medium temperature range :
+ 10 -5 °C
Low temperature range :
-15 -25°C
Setting room temperature:
•
Connect the unit to the mains. OFF is displayed.
•
Press ON/OFF key, for 3 seconds, to switch the unit on.
•
Press SET key. The wellow led lights up and the previously set temperature is
displayed.
•
To change this value press following keys:
UP to increase temperature
DOWN to decrease temperature
Press SET key to confirm the set value or wait 15 seconds.
Now the unit is operating and does not require any further programming. The refrigerating cycle is fully automatic
according to the factory-set parameters, which can be modified by authorised personnel only.
ATTENTION
24 hours after starting check evaporator state. I f ice has formed, defrost frequency should
be increased. In low temperature units the evaporator condition should be checked every
w eek during the first month of operation.
9.2
2
How to Lock / Unlock the
keyboard Lock
•
Keep pressed for more than 3’’
and
keys.
•
The (POF) message will be displayed and the keyboard will be locked. At this point it will be possible
only to see the set point or the Max o Min temperature stored.
•
If a key is pressed more than 3’’ the (POF) message will be displayed.
Unlock
•
Keep pressed together for more 3’’
and
keys, till the (Pon) message will be displayed.
10.
Wiring
A wiring diagram, specific for the units of the SPO series, is enclosed with these use and maintenance
instructions.
11.
Maintenance and repairs
Suitable maintenance is crucial for obtaining longer life, perfect working conditions and high efficiency of the
unit as well as for ensuring the safety features provided by the manufacturer.
