relay output

Series DF
Dual Function Controls Solid State Reliability
 Spade Terminals for Easy Wiring
 Compact Size
 Manual Reset (optional) Meets CSD1 Requirements  Power Outage Feature (optional)
 U.L. “Motor Control”
 U.L. “Limit Control”
 AC Current Minimizes Electrolysis
 Optional Test Feature Time Out Option
 Optional Dirty Electrode Detection
Dual function Series DF models are designed to control two independent level
functions, one single-level control operation and one differential-level operation.

Series DF

Specifications
Contact Design
Contact Rating (120, 240 VAC)
Mode of Operation
Sensitivity
Primary Voltage
Secondary Voltage
Temperature
Approvals
Terminal Style
Options

1 N.O. & 1 N.C. (1 form C) extra function
10 amp Resistive 1/3 hp
H/L Direct/Inverse, LLCO – factory set
0-26K ohm, factory set
120 VAC, 240 VAC1, 24 VAC (+10%/-15%)
208/240: 187 V min. to 255 V max. VAC 50/60 Hz
12 VAC-40°F to +150°F (-40°C to +65°C)
U.L. 508 File # E44426, U.L. 353 File # MP1430
Spade connection
Time Delays, Manual Reset, Power Outage, Retrofit Plate,
Test Feature, Dirty Electrode Detection;
See page E-11 for descriptions

Applications• Dual Function• Single-Level Service• Differential Service• Feedwater Control / Low-Water Cutoff• High Level / Low Level• Pump Down / High Level

WARRICK CONDUCTIVITY SENSORS

Optional Power Outage feature resets after nuisance outages. Optional Reset Button isused when device has been deactivated due to low water condition. Reset is activatedonly after water has returned to normal level. This control is ideal in applications on
boilers, food service equipment, and chemical delivery systems.

Dimensions

Notes:
1. 240 VAC and 208/240 VAC units do not carry U.L. Limit Control recognition.

How to Order
Use the Bold characters from the chart below to construct a product code.
DF

X

X

1. Series
DF
2. Mode of Operation
DirectInverseA – 4.7K
K – 4.7K
B – 10K
L – 10KC – 26K
M – 26K
D – 50KN – 50KE – 100KP – 100K
3. Supply Voltage
1 – 120 VAC; 2 – 240 VAC;
3 – 24 VAC; 8 – 208/240 VAC
4. Standoff Style*A – 1/16˝ Panel C – Screw Mount
B – 1/8˝ Panel
D – Retrofit
5. Enclosure
0 – None; 1 – NEMA 1; 4 – NEMA 4
6. Option Package
See page D-36, Chart B for code letter.
7. Time Delay (increasing level) H/L function
00-90 seconds; Blank 0 seconds
8. Time Delay (decreasing level) H/L function
00-90 seconds; Blank 0 seconds
9.Time Delay (decreasing level) LLCO function only
03-90 seconds; Blank 3 seconds

X

X

X

XX

XX

XX

WiringNote: For single level service, use “H” and “G” connections.

Socket Details and Option Availability
are located on web site.
Visit www.GemsSensors.com for most current information.

E-9

Sockets and Standoffs – 16, 26 and DF Series Only

Sockets
Warrick provides four different types of sockets for use
with plug-in control modules.

8-PIN DIN SOCKET
1.30˝(33.02 mm)

1.60˝(40.64 mm)

11-PIN DIN SOCKET

11-PIN OCTAL SOCKET

Warrick provides four different types of standoffs
designed to connect circuit boards to panels.
TOP
VIEW

SIDE
VIEW
1/8˝

BOTTOM
VIEW
1/16˝
STANDOFF

1/8˝
STANDOFF2.04˝ (51.82 mm)

2.33˝ (59.18 mm)

1.3˝ (33.02 mm)
2.60˝ (66.04 mm)

1/16˝

1.02˝
(25.91 mm)

1.0˝(2.54 mm)2.53˝(64.26 mm)

0.625˝(15.88 mm)

2.04˝ (51.82 mm)

Standoffs

E-10

1.01˝
(25.65 mm)

2.04˝(51.82 mm)

1.14˝ (28.96 mm)

2.21˝(56.13 mm)

WARRICK CONDUCTIVITY SENSORS

2.31˝ (58.7 mm).980˝(24.89 mm)

2˝(50.8 mm)

1.66˝
(42.16 mm)

0.625˝(15.9 mm)

8-PIN OCTAL SOCKETRETROFIT
STANDOFFCIRCUIT
SCREW
BOARD
MOUNT
STANDOFF STANDOFF

Visit www.GemsSensors.com for most current information.

Kits and options

Optional Character Reference – 16, 26 and DF Series Only
Available on Series 26, 26M and DF controls(Normally closed pushbutton across reset terminals. Pushbutton ordered separately):
Manual reset only applies to the function associated with terminal LLCO. When theliquid rises to the electrode on terminal LLCO, the control will remain de-energized(load contacts in original state) until the pushbutton is depressed. The control willthen energize, (LED will be lit) changing the state of the contacts. The control
remains energized until the liquid level recedes below electrode on terminal LLCO.
The control then de-energizes, (LED will go off) returning load contacts to their
original state. Unless otherwise specified, there is a three second time delay on
decreasing level. Liquid must be below probe on terminal LLCO for full three seconds
before control de-energizes.

Chart A – Time Out Option
Time Out (in seconds)

Optional
Character

30

60

90

120

150

180

A

•

B

•

C

•

D

•

E

•

F

Manual Reset with Power Outage Feature•G

Available on Series 26, 26M, and DF controls
Reset (Normally closed pushbutton across reset terminals. Pushbutton orderedseparately) Control will ignore power loss to control. With liquid in contact withelectrode on terminal LLCO, a power outage will cause the control to de-energize, butwill automatically energize upon return of power. However, loss of liquid will cause
control to de-energize and remain so until liquid again rises
to electrode and pushbutton is depressed.

•

K

•

L

•

M

•

N

•

P

•

Q

Time Delays Associated with Terminals H and L

Available on Series 16, 16M, and DF controls
With time delay on increasing level, the liquid must be in contact with the highelectrode for the full duration of the time delay before control will operate. With delay
on decreasing level, the liquid must be below the low electrode for the full durationof the time delay before control will operate. In single level service, terminals 3 and 4
must be jumpered together to achieve time delays on both increasing and decreasinglevels or just decreasing level.

Time Delays Associated with Terminal LLCO
Available on Series 26, 26M, and DF controls
3 Second time delay on decreasing level is standard. Delay
up to 90 seconds, can be specified and would act in the samemanner as listed above.

Chart B – Optional Character Information

Time Out Option

Reset
Function

Available on Series 16, 16M, and DF controls
The latching circuit for the high and low electrode hasan optional timer. In some applications the High or Low
electrode may become short circuited or disconnected. Suchan occurrence may potentially over fill in fill applications,or cause the pump to run dry in pump down applications.
The time option is custom programmed up to 3 minutes.
When a fault condition occurs, the FILL LED will have a blinksequence of .5 seconds on 2 seconds off. See Chart A fortime delay options.

Test Feature

Available on Series 26, 26M, and DF controls
Allows LLCO circuit to be tested. Holding down the reset
button for 3 seconds will allow the LLCO circuit to trip which
simulates the loss of water, without the need of draining
the water level in the boiler. The control will return to normal
operation once the reset button is pressed a second
time. (Test feature option only available with the manual resetfunction.)

Option Components•

Normally
ClosedPushbutton*

•

Power
OutageRetrofit
Plate

Test
Feature

•
•

•
•
•

•

•

•

•

•
•

•
•

•
•

•

•

•
•
•

•
•
•

•

•

•

•

•

•
•

•
•

•

•

•

•
•
•
•
•

Control Series

Optional
Character

DF "LLCO"

D

26, 26M, 26NMC

26, 26M, 26NM

E

16, 16D, 26, DF

R

DF "LLCO"S

DF "LLCO"

K

DF
26, 26M, 26NM,DF"LLCO"26, 26M, 26NM

W

26

N

DF "LLCO"

G

DF
26, 26M, 26NM,DF"LLCO"DF26, 26M, 26NM,DF"LLCO"26

TDF26, 26M, 26NM,DF"LLCO"No options

WARRICK CONDUCTIVITY SENSORSManual Reset

B
F

Y
L
Z
P
J
A
X

* N.C. pushbutton when purchased in conjunction with open control must be remotely
mounted by customer

Visit www.GemsSensors.com for most current information.

E-11