FR200H Special Purpose Inverters for Multi-pumps Constant Pressure Water Supply
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Chapter 2 Debugging Guide
FR200H series special purpose inverter for multi-pumps constant pressure water supply specially
developed for constant pressure water supply industry, featured with 2 modes below:
Mode 1: fixed variable frequency control mode wirings:
DI1
DI2
DI3
DI4
DI6
COM
FR200H
DI5
Q3
Q4
Default Signal
Q2
10V
AI1
AI2
GND
Given
Feedback
FWD
REV
Q5
DI7
R1A
R1C
R2A
R2C
KA1
KA2
Y1
Y2
24V
M1
M2
M3
M4
M5
L1
L2
L3
220V
KM2
KM3
KM4
KM5
R1A
R1C
R2A
R2C
KA1
KA2
R
S
T
U
V
W
Inside the dotted line is power-
frequency pumps, can be added on
customers
’
requirements up to 4 pcs
Fig. 2-1 Fixed Pumps Mode Wirings
Mode 2: two variable frequency pumps cycle control mode wirings:
DI1
DI2
DI3
DI4
DI6
COM
FR200H
DI5
Q3
Q4
Default Value
Q2
10V
AI1
AI2
GND
Given
Feedback
FWD
REV
Q5
DI7
R1A
R1C
R2A
R2C
KA1
KA2
Y1
Y2
24V
M1
L1
L2
L3
M2
KM1
KM2
KM3
KM4
U
V
W
R
S
T
220V
KM1
KM2
KM3
KM4
R1A
R1C
R2A
R2C
KA1
KA2
Fig. 2-2 two variable frequency cycle mode wirings