Universal-XR
11/17
UXR01212015_REV1.4mm
Installation and Operating Instructions
NOTE
: the “
Err
” message is displayed for failed programming. In this case push
o
key again if you want to restart the upload
or remove the “
Hot
key
” to abort the operation.
8.2
HOW TO PROGRAM AN INSTRUMENT USING A HOT KEY (DOWNLOAD)
1.
Turn OFF the instrument.
2.
Insert a
programmed “Hot Key” into the 5 PIN receptacle
and then turn the Controller ON.
3.
Automatically the parameter list of the
“Hot Key”
is downloaded into the Controller memory, the “
doL
” message is blinking followed a by flashing
“End”.
4.
After 10 seconds the instrument will restart working with the new parameters.
5.
Remove the
“Hot Key”.
NOTE
the message “
Err
” is displayed for failed programming. In this case turn the unit off and then on if you want to restart the download again o
r
remove the “
Hot key
” to abort the operation.
9.
OTHER FEATURES OF THE UNIVERSAL-XR
As well as the main digital display, there are some small icons on the front
panel. These are used to indicate the status of the loads controlled by the
instrument. Each icon function is described in the following table.
Table 7: display signalling description
ICON
FUNCTION
MEANING
ON
Light (AUX) output enabled.
ON
Cooling enabled.
FLASHING
Anti-short cycle delay in progress.
ON
Fan enabled.
FLASHING
Delay time on fan activation is running (
Fnd > 0
)
ON
Defrost in progress.
FLASHING
Drip time in progress (
Fdt > 0
) or delay on start defrosting is running (
dSd > 0
).
ON
Auxiliary output activated.
ON
Energy Saving activated.
ON
Thermostat override enabled.
ON
ALARM signal:
when in programming mode and in Pr2 level, this icon lights up notifying
this parameter is also accessible in the Pr1 level.
ON
All measurement units are in Celsius degrees.
FLASHING
Programming mode.
ON
All measurement units are in Fahrenheit degrees.
FLASHING
Programming mode.
10.
THERMOSTAT OVERRIDE (not available when parameter tC = 1)
For rapid chilling or freezing, the thermostat can be overridden by pressing the
UP
button until the icon lights up. The compressor will run in
continuous mode, for the time period set in parameter
CCt
. Normal operation will then resume automatically after the
CCt
is exhausted or when the
CCS
is exhausted (Continuous Cycle Set Point). The cycle can also be terminated manually by pressing the
UP
button again for about 3 seconds.
11.
DEFROST TYPES
tC parameter value
Action
1
No defrost
2 or 3
Off cycle defrost by timer
4, 5, 6 or 7
Forced type of defrost: Electrical or Hot Gas
-
tdF = 0
: defrost is electrical;
-
tdF = 1
: defrost is by hot gas.
