HRX-OM-X037
Chapter 4 Starting the Product
4.2 Preparation for Start
HRL Series
4.3 Preparation of the Circulating Fluid Supply to the
User's Equipment
Circulating fluid is only supplied to the product at the time of installation of the
thermo-chiller. If the operation starts under this condition, the circulating fluid
inside of the product is supplied to user’s device and the piping. This lowers
the fluid level of the product which then requires additional fluid to be supplied.
Follow the instructions below to supply additional fluid.
1. Touch [ ] button or [ ] button on the touch panel.
Pump operates independently while pressing the [ ] button.
[ ] button (blue) lights up during independent pump operation. The circulating
fluid is then supplied to user’s device and the piping to bleed the air inside the piping.
[Tips]
Independent pump operation is carried out at the following pump rotations:
50% for CH1 and 45% for CH2 (minimum rotation). The product does not
operate at maximum rotation.
Fig.4-5 Pump independent operation
If the fluid level in the tank drops, an alarm is activated and “AL02 CH1 Low Level WRN” or “AL04
CH2 Low Level WRN” is displayed on the screen.
2. Supply circulating fluid in the range between HIGH and LOW to turn off the alarm.
After supplying the circulating fluid, press [ ] button to turn off the alarm.
The displayed alarm will be turned off.
Fig. 4-6 Turning off the low tank fluid level alarm
After supplying the
fluid, press [ ]
button to turn off the
alarm.
Independent pump
operation is carried
out while the button
is pressed.
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