Panasonic WH-SHF09F3E5 Service Manual page 61

12.2.2 A-class Pump Specification
Power for drive
DC280-373V
Power for control
DC15±10%
Feedback Speed
(puls signal)
4puls/rotation
Control signal is analog voltage (DC0V-6V) generated by microcomputer PWM port.
Microcomputer can change analog voltage by changing PWM duty.
12.2.3 Water Flow Rate Setting

Set water pump speed to adjust the water flow rate.
Depend on the hyraulic system pressure loss and type, the water flow rate can be adjusted by control panel.
1 Press SERVICE button for 5 seconds.
▲
2 Press button to enter menu S02 and press SET button.
3 Press SELECt button then press
4 Press OFF/ON button to quit setting.
Note:
* Before adjust the water flow rate, make sure that the total water volume in the installation is minimum 50 litres for
heating side.
* Please ensure the minimum flow rate is not less than 13l/min and not more than 50l/min.
+
-
+
-
Control Signal
DC0V-DC6V
▲ ▼
/ button to change SPEED and press SET to confirm.
110
100
90
7
80
6
70
5
60
4
50
3
40
2
30
1
20
10
0
0 10 13 20
WATER FLOW RATE (I/min)
VDD
6 6
5
GND
4
VCC
3
VSP
2
FG
1
P-Q
30 40 50
61
Pump
60