HRX-OM-X037
Chapter 5 Display and Setting of Various Functions
5.4 Description of the Screen
HRL Series
・Pump operation mode
4. Pump operation mode can be set up.
Pump operation mode can be selected from the following three modes:
・ Pressure control mode––Operates to maintain the circulating fluid discharge
pressure at the set pressure. This mode is set by default.
The pressure might not rise to the set pressure if the
piping resistance in the user’s device and piping is too
small.
・ Flow control mode–––––Operates to maintain the circulating fluid flow rate at the set
flow rate. (However, CH1 flow rate serves as a rough
indication.)
The flow rate might not reach the set flow rate if the piping
resistance in the user’s device and piping is too large.
・ Pump output setting mode––Operates to maintain the pump output (rotation) at the
set output.
■About the control function of circulating fluid discharge pressure
This is a function to control the pump output to maintain the circulating fluid discharge pressure
within the set pressure.
This function is “Disabledˮ by default. If this function is “Enabled”, the control pressure set by
this function gets priority over the pressure, flow rate and output set by the pump operation
mode.
[ ] is displayed on the upper screen when the pump discharge pressure is controlled
during operation.
(Refer to 5.4.1 Operation condition display on home screen.)
This can be set on “Pump operation mode setting” screen.
Refer to Table 5.4-7 Pump operation settings for details.
Pump operation mode setting
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