biochrom ultrospec 7000 User Manual page 83

• Room temperature between 10°C and 35°C
2.6.2.3. User interface
The menu-driven interface of the Controller allows the user to set the temperature
and to view the configuration.
Three buttons are used to access the various functions and change the set
parameters.
The multi-functional Controller with its display is described below under manual
operation.
2.6.3. Installation
2.6.3.1. Checking the serial number
The plate containing the serial number is located on the rear panel at the base of the
unit. Check that this number is identical to the serial number on the delivery note. If
not, please inform Biochrom immediately.
2.6.3.2. Checking mains supply and fuses
The Controller is factory set to operate at 220 VAC.
For operation at a voltage of 120 VAC, the voltage selector at the rear of the
Controller unit must be reset as described below.
Power supply Type of fuse - 250 V
240 V T 1 A, slow-blow
120 V T 2 A, slow-blow
Adjustment for frequency change between 50 and 60 Hz is not necessary.
Voltage selector
with fuse
Main switch
Fig. 3-1: Selecting the voltage
2.6.3.2.1. Changing the Mains Voltage Setting and Fuses
The voltage set is shown in the window of the voltage selector below the mains input
connection. To change this setting switch off the unit at the mains switch, remove the
mains cable and proceed as follows:
Slide out the fuse holder by inserting a small screwdriver alternatively into the two
slots at the left and right and pulling it out of the housing.
Remove the original fuses and replace with those of correct rating (see above) and
push the holder back in position.
Move the slider of the voltage selector with a screwdriver to the desired value. The
new selected voltage will be now visible.
2.6.3.3. Instrument set-up
2.6.3.3.1. Start up
The Controller is supplied completely assembled. It is only necessary to make the
appropriate connections.
Before starting the Controller you should familiarize yourself with the key functions.
• Position the Controller at a suitable position in your system.
• Leave at least 5 cm in front and the back of the Controller for free air circulation.
5061-046 Rev1
29004779UM AA 10/2011
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