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Table 1 Primary side circuit flow rate map (Check result) 4-1 Check the following. (Primary side circuit) Primary side circuit ↓ Check the checkbox. □ All places with flow rate valve opening 1000 through 100 are 2 L or above? If 2 L/min or below, air may not be bled out. Perform an air bleeding operation and water flow rate adjustment operation again. □ When there are multiple units, the values of the same pump output opening and the same valve opening are not greater or less than those for other units by 10% and 2 L/min or more. (In multiple-unit system, perform a water flow rate adjustment operation at the same time.) □ All the values (item codes d01 through d09) are not “0” when the pump output opening is 16%. (Not whole air is bled out.) Close <------------------ Water flow rate adjust valve opening ------------------> Open Pump output opening/water flow rate adjust valve opening 1600 1400 1200 1000 800 600 400 200 100 Flow rate (pump output opening 16%) d01 d02 d03 d04 d05 d06 d07 d08 d09 Flow rate (pump output opening 27%) d10 d11 d12 d13 d14 d15 d16 d17 d18 Flow rate (pump output opening 100%) d19 d20 d21 d22 d23 d24 d25 d26 d27 Close <------------------ Water flow rate adjust valve opening ------------------>Open Pump output opening/water flow rate adjust valve opening 1600 1400 1200 1000 800 600 400 200 100 Flow rate (pump output opening 16%) Flow rate (pump output opening 27%) Flow rate (pump output opening 100%) Table 2 Secondary side circuit flow rate map (Check result) 4-2 Check the following. (Secondary side circuit) ↓ Check the checkbox. Pump output value 0 5 10 15 20 25 30 35 40 45 Flow rate d55 d56 d57 d58 d59 d60 d61 d62 d63 d64 Pump output value 55 60 65 70 75 80 85 90 95 100 Flow rate d66 d67 d68 d69 d70 d71 d72 d73 d74 d75 50 d65 50 • Take a measure such as adjusting the frequency using an inverter, etc. so that the output at 100% (d75) becomes between 20 l/min and 30 l/min. □ Does a value from 1 l/min to 4 l/min exist for the flow rate at an arbitrary output except 0%? If there was no value from 1 l/min to 4 l/min for the flow rate when any output except 0%, the flow rate may not be able to be controlled at a low flow rate. • Carry out the air bleeding and flow rate adjustment operations again. • Take a measure such as adjusting the frequency using an inverter, etc. so that a value from 1 l/min to 4 l/min exists for the flow rate during output. Pump output value 0 5 10 15 20 25 30 35 40 45 Flow rate Pump output value 55 60 65 70 75 80 85 90 95 100 Flow rate □ Is the output at 100% (d75) between 20 l/min and 30 l/min? If the output is below 20 l/min, water may not flow at a high flow rate during normal operation. If the output is above 30 l/min, water may not flow at a low flow rate during normal operation. 38PDF Image | QAHV-N560YA-HPB
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