JULABO HT30-M1 High Temperature Circulator - Manual (Page 27)

HT30-M1
27
5.5. Power connection
Caution:
1. Connect control cable (55) with control exit (35) of the control electronics M1 and latch
the saftey loop.
Lengthening piece for control cable, 5 m - JULABO Order-No. 8 980 125
2. If available screw the C.U.-cooling unit tightly to the control exit (56a) of the HT30 by
means of the control cable (56).
3. Connect the mains plug (38) of the control electronics to a power socket with earthing
contact (PE – protective earth)!
The available supply voltage and the power frequency have to be compared with the
specifications on the type plate.
Voltage differences of ± 10 % are allowed.
• The power supply plug serves as a safe disconnecting device from the line and must
always be easily accessible.
• Never operate the unit with a damaged mains power cable.
• Regularly check the mains power cables for damage.
• We disclaim all liability for damage caused by incorrect line voltages!
5.6. Filling / draining
Caution:
• The lines of the external system should be well cleaned in order to avoid soil particles
(sand, metal chips) from being rinsed into the circulator. Danger for magnetic valves and
the pump.
• The tempering liquid must not contain water!
Preparing the tempering liquid:
Heat the oil up to 110 °C in an open bath to boil off any water.Tempering time
approximately 1 hour.
In case of high temperatures water in the tempering liquid can cause damages in the
HT circulator!
Recommendation :
After each refilling a degasifying of the tempering liquid should be made.