61F-GP-N@
Replacing 61F-G3N Functions (Automatic Water
Supply Control with Abnormal Water Increase and
Water Shortage Alarms)
Compact, Plug-in Type
61F-GP-N
Dimensions:
page 14
Replacing 61F-G3N Functions
Connections
Water shortage
Pump control
Full tank
Commercial Voltage
61F-GP-N
61F-GP-N
61F-GP-N
R
S T
8
6
5
4
8
7
6
5
4
5
4
7
8
7
6
U3
U2
U1
Control
circuit
Control
circuit
Control
circuit
0 V
0 V
0 V
MCCB
24 V
8 V
24 V
8 V
24 V
8 V
U3
U2
U1
Power
supply
Power
supply
Power
supply
U
2
U
1
U
3
3
9
3
9
3
9
2
10
11
1
2
10
11
1
2
10
11
1
Lower limit
Alarm
Upper limit
PL
B
PL
Contactor
(See note.)
PS-5S
Full tank
Motor protection
relay
E1
Stop
Water
tank
E2
Water supply
source
Start
Water shortage
E3
E4
E5
M
P
Note: The power supply phases (terminals 3 to 9) can be matched to use the same ground for the common Electrode
(the longest Electrode, terminal 4).
Principles of Operation
• The pump stops when the water level
reaches E2 (U2 indicator ON) and starts
when the water level drops below E3 (U2
indicator OFF).
Water supply
LH
B
P
Upper
limit
(U1 indicator ON)
(U2 indicator ON)
E1
• If the water level rises to E1 for any reason,
the upper-limit indicator turns ON and the
alarm sounds (U1 indicator ON).
If the water level drops below E4 for any
reason, the lower-limit indicator turns ON
and the alarm sounds (U3 indicator OFF).
Pump OFF
Pump ON
E2
(U2 indicator OFF)
(U3 indicator OFF)
E3
Lower
limit
E4
E5
LL
B
6
OMRON [ OMRON ELECTRONICS LLC ]
