Operating Manual - John Morris Scientific
Operating Manual - John Morris Scientific
Operating Manual - John Morris Scientific
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Ultra-Low Refrigerated Circulators<br />
12. Installation of electronic module<br />
ALARM STAND-BY<br />
Caution:<br />
Always turn off the unit and disconnect the mains cable from the power source before<br />
performing any service or maintenance procedures, or before moving the unit.<br />
Configuration, installation, maintenance and repairs on the circulator may only be<br />
carried out by qualified personnel.<br />
B Turn off the unit with the mains switch and disconnect the<br />
power plug.<br />
A<br />
REG+<br />
E-PROG<br />
<br />
<br />
<br />
<br />
Open the screws (A) and remove the dummy plate.<br />
Carefully insert the upper edge (B) into the rear panel from<br />
below, align the electronic module at top and bottom and<br />
applying light pressure connect the 15-pole connector.<br />
Attach the electronic module using the screws (A).<br />
The circulator is ready for use. It automatically recognizes the<br />
installed electronic module.<br />
13. Maintaining the cooling performance<br />
In dusty environments, the refrigerating machine’s condenser<br />
should be cleaned by vacuuming every 1 to 2 months. The<br />
condenser is located behind the venting grid on the front of the unit,<br />
which can be taken off by removing the screws.<br />
<br />
<br />
<br />
<br />
<br />
Switch off the unit, disconnect mains power cable.<br />
Remove the venting grid.<br />
Clean the ribbed condenser with a vacuum cleaner.<br />
Replace the venting grid.<br />
Switch on the unit.<br />
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