Checks, Regulations And Adjustments; Starting - Zanotti DBO Serie Mode D'emploi

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

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
- Set the required cold room temperature.
- Press ON/OFF key to switch the unit on.
ATTENTION
When the unit has been turned off by means of the mains switch or by leaving the P-A-M
switch in O position for over 3 hours in winter or 6 hours in summer, pre-start should be
repeated.
ATTENTION
Medium temperature range :
Low temperature range :
Setting room temperature:
UP to increase temperature
DOWN to decrease temperature
Press SET key or wait 5 seconds to have room temperature displayed.
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. If ice has formed, defrost frequency should
be increased. In low temperature units the evaporator condition should be checked every
week during the first month of operation.
9.2 How to Lock / Unlock the keyboard
Lock
• Keep pressed for more than 3''
• 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''
Connect the unit to the mains. OFF is displayed.
•
• Press SET for three seconds. The green led lights up and the previously set
temperature is displayed.
To change this value press following keys:
•
+10 -5°C
-15 -25°C
and keys.
and keys, till the (Pon) message will be displayed.
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