61F-11NR Omron, 61F-11NR Datasheet - Page 9

• Manufacturer Part Number: 61F-11NR
• Description: RELAY UNIT 61F
• Manufacturer: Omron
• Series: 61Fr

Specifications of 61F-11NR

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 61F11NR

Automatic Water Supply Control with Water
Source Level Indication, Prevention of
Pump Idling Due to Water Shortage, and
Indication of Water Level in Tank
Connections
Principles of Operation
• Power Supply Connections
• Insert a pushbutton switch (NO)
• Do not press the pushbutton if the
If the supply water level is below E
when starting operation or when
recovering from a power interruption
(U
pushbutton to momentarily close the
circuit to start the pump.
• Insert four Electrodes in the water supply source and five Electrodes in the elevated water tank.
• The lower-limit indicator for the water supply source remains ON while the water source level is below E
• When the water level rises to E
• The upper-limit indicator in the water supply source lights when the water level reaches E
• The water-shortage indicator for the elevated tank remains ON while the water level in the elevated tank is below E
• The pump stops (U
• If the water level reaches E
Automatic Water Supply Control with Water Source Level Indication, Prevention of Pump Idling Due to Water Shortage, and Indication of Water Level in Tank
Test Operation/Recovering from
Power Interruptions
110 VAC: Connect S
220 VAC: Connect S
between E
the dotted lines above.
low-water alarm sounds and the
pump stops during normal
operation (water below E
OFF).
operation.
The indicator turns OFF (U
drops below E
indicator ON).
2
indicator OFF), press the
2
and E
6
.
8
, as shown by
5
indicator ON) when the water level reaches E
0
0
and S
and S
3
).
1
4
1
2
indicator ON) when the water level rises to E
for any reason, the abnormal water increase indicator for the elevated tank turns ON (U
.
.
2
, the lower-limit indicator turns OFF (U
2
Contactor
protection
MCCB
Motor
relay
220 V power supply
R S
Note: Be sure to ground the common Electrode (the longest Electrode).
T
M
(See note 1.)
P
Water
supply
source
61F-G4
LL
LL
U
1
Elevated
tank water
shortage
MK3P
Relay
(See
note 2.)
5
1
1
S
and starts (U
E
0
LL
LL
8
E
X
2
3
Water supply
source lower
limit
2
2
E
S
indicator ON) and the pump is ready for
2
7
1
E
.
LH
LH
X
1
U
U
Elevated
tank
repletion
4
PS-4S
1
1
2
S
110 V
220 V
110 V
220 V
Upper limit
Start
Stop
Lower limit
2
5
LH
LH
0 V
0 V
indicator OFF) when the water level
U
3
Water supply
source upper
limit
2
2
T
X
C
BL
BL
U
24 V
24 V
24 V
24 V
24 V
8V
1
Elevated
tank water
shortage
T
1
1
1
U
C2
(U
5
BL
BL
3
Relay Unit
Relay Unit
Relay Unit
Relay Unit
Relay Unit
X
Water supply
source lower
limit
61F-11
61F-11
61F-11
61F-11
61F-11
indicator ON).
2
2
B
BH
BH
Basic Type
61F-G4
U
Dimensions:
page 13
Elevated
tank
repletion
4
1
TA
1
3
U
U
U
U
U
BH
BH
(U
5
1
2
3
4
U
Water
supply
source
upper limit
3
2
2
2
E
Water
tank
indicator
8
E
4
E
E
7
7
4
8
.
E
U
E
3
7
2
Relay Unit Location
E
U
E
6
5
6
E
E
U
U
5
1
5
61F-G@
2
E
E
4
U
Power
supply
5
2
PS-5S
E
U
1
3
Full tank
Stop
Start
Water
shortage
U
Push-
button
switch
4
9