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 or
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
Light (AUX) output enabled.
Anti-short cycle delay in progress.
Delay time on fan activation is running (Fnd > 0)
Drip time in progress (Fdt > 0) or delay on start defrosting is running (dSd > 0).
Auxiliary output activated.
Thermostat override enabled.
ALARM signal: when in programming mode and in Pr2 level, this icon lights up notifying
this parameter is also accessible in the Pr1 level.
All measurement units are in Celsius degrees.
All measurement units are in Fahrenheit degrees.
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
Off cycle defrost by timer
Forced type of defrost: Electrical or Hot Gas
- tdF = 0: defrost is electrical;
- tdF = 1: defrost is by hot gas.