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(2)Water flow rate adjustment operation (when the secondary side control is disabled) Step Contents Operation and check points Supplemental explanation a Water level check Check the water level is neither at the full or empty level. Water is supplied even when the target water level has been reached. b Power operation Turn the power ON. If the startup operation has not finished, SW2-9 and SW2-3 need to be set as a stopgap measure (see Note 1). If this flow rate adjustment operation has never been performed ‘--ng’ is displayed. c Operation procedure Change the setting of PCB slide SWS1 from REMOTE to LOCAL. * Make sure SWS2 is set to the lower side. (See page 23.) d Operation procedure Change the setting of SW1-6 from OFF to ON. * Step c and Step d must be taken in sequence to run the flow-adjustment operation. * The pump operation and flow rate adjustment valve opening are automatically adjusted, and the flow rate is measured in 30 second intervals. * You can check whether this flow rate adjustment operation has ended or is underway using the setting given in Note 2. e Stop operation 1 Change the setting of SW1-6 from ON to OFF. - f Stop operation 2 Change the setting of PCB slide SWS1 from LOCAL to REMOTE. - Checking the flow rate after the flow rate adjustment operation The flow rate adjustment operation adjusts the pump output and water flow rate valve opening to determine how to match the flow rate characteristic to the local circuit. Use the method below (*3 1 to 4) to check the operation result (characteristic). If air bleeding was not done fully and the map not created properly, a water shutoff error, high pressure error or other problems will occur when operating the system. Check the points below in this case. If the values are abnormal, redo the air bleeding and flow rate adjustment operations. (*3) 1Set the PCB’s DIP switches as shown below. SW2 SW3 -10 -5 -6 -7 -8 -9 -10 OFF OFF OFF OFF OFF ON ON 2Press SWP3 repeatedly to change the code shown in the PCB’s display. The code changes with each press (*4). Continue pressing SWP3 until ‘dxx’ is displayed in the PCB’s digital display. (‘dxx’ is a code that stores the flow rate for a given pump output opening and valve opening. See Table 1.) (*4) If the flow rate adjustment operation has never been performed, ‘ng’ appears after the system startup operation. Perform the flow rate adjustment operation in this case. 35PDF Image | QAHV-N560YA-HPB
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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