UE ONE Series Installation and operating instructions

1
IM1-02
ONE SERIES
Electronic Pressure and
Temperature Switches
with "I AM WORKING" Signal UNITED ELECTRIC
CONTROLS
Installation & Maintenance
Instructions
Please read all instructional literature carefully and thoroughly before starting. Refer to the final page for the listing of Recommended Practices, Liabilities and Warrantees.
GENERAL
One Series electronic switches utilize a ceramic pressure
sensor or 100ΩRTD to measure the process variable and
provide local alarm or shutdown actuation along with local
and remote system status indication. A unique IAW™ circuit
provides the local and remote indication of the output status
and the “health” of the product. An internal solid-state
switching device allows for long switch life with no arcing or
contact wear, providing years of reliable operation. The
local process and status indication, as well as a proprietary
remote status signal, provide a clear indication that the One
Series product is functioning properly.
SIMPLE TO USE AS 1, 2, 3…
1. Mount the One Series using the process connection or
two mounting ears.
2. Wire the One Series using the convenient conduit
connection. Color coded lead wires or optional terminal
block allow field connections to be made in seconds.
3. Configure the One Series using the simple four key
keypad and helpful display prompts. Remove cover,
choose an
operating mode, set point and deadband. Replace
cover.
MOUNTING Tools
1 1/16” wrench for hex fitting
Screwdriver for mounting screws
2 mounting screws (1/4” Max.)
FOR PRESSURE AND LOCAL TEMPERATURE
MODELS ALWAYS HOLD A WRENCH ON THE
HOUSING HEX WHEN MOUNTING UNIT. DO
NOT TIGHTEN BY TURNING ENCLOSURE.
THIS WILL DAMAGE THE CONNECTION BETWEEN
THE SENSOR AND HOUSING.
INSTALL UNITS WHERE SHOCK, VIBRATION
AND TEMPERATURE FLUCTUATIONS ARE
MINIMAL. ORIENT UNIT TO PREVENT
MOISTURE FROM ENTERING ENCLOSURE. IT
ISIMPERATIVE TO USE PROPERLY RATED SEALING
FITTINGS FOR ELECTRICAL WIRE ENTRY. DO NOT
MOUNT UNIT IN AMBIENT TEMPERATURES
EXCEEDING PUBLISHED LIMITS. THIS IS ESPECIALLY
CRITICAL FOR LOCAL MOUNT TEMPERATURE UNITS.
The One Series product may be mounted in any position
providing the electrical conduit connection is not facing up.
See Diagrams 1 and 2. Ensure the process connection is
sealed to the process port to prevent leakage.
Process Connections
PRESSURE MODELS
To pipe mount. Thread the pressure connection onto the
pressure port. Use a wrench on the hex pressure connection
to tighten. Test for leaks. IN HIGH SHOCK AND
VIBRATION APPLICATIONS, DO NOT MOUNT VIA THE
PRESSURE CONNECTION ONLY.
LOCAL TEMPERATURE MODELS
For immersion sensing. Use of a thermowell is highly
recommended to aid in maintenance, testing and
preservation of the system integrity. Insert the sensor
housing (0.25 diameter) into the well, insuring that the
housing bottoms out and will be completely immersed in the
media (1.5” min.). Secure the sensor using an appropriately
sized compression fitting. Test for leaks. IN HIGH SHOCK
AND VIBRATION APPLICATIONS, DO NOT MOUNT VIA
THE PROCESS CONNECTION ONLY.
For ambient sensing. Mount using the mounting ears on the
electronics housing. Mount the product to ensure that the
sensor housing will not be damaged and where the
measured temperature is representative of the surrounding
environment.
REMOTE TEMPERATURE MODELS
For surface sensing. Secure the 2½” sensor housing to the
pipe or vessel using an adhesive or strapping method
suitable for the application.
For immersion sensing. Use of a thermowell is highly
recommended to aid in maintenance, testing and
preservation of the system integrity. Insert the sensor
housing (0.25 diameter) into the well ensuring that the
housing bottoms out and will be completely immersed in the
media (2.5” min.) Secure the sensor using an appropriately
sized union connector. Test for leaks.
For best temperature measurements, the sensor housing
must be in full contact with the surface or media being
measured. Locate where the temperature is most
representative of the system. Minimum insertion depth is
2½”.

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Route the extension wire to avoid contact with live
components. Avoid kinks, or excessive flexing. Heat
transfer compound may be used to aid in temperature
response.
Electronics Housing
Mount the unit using the two (2) ¼” clearance holes on
mounting ears. Plumb sensor to the process port.
WIRING
TOOLS
Flat-blade screwdriver if terminal block is specified
Wire strippers
DISCONNECT ALL SUPPLY CIRCUITS BEFORE
WIRING UNIT. WIRE IN ACCORDANCE WITH
NATIONAL AND LOCAL ELECTRICAL CODES.
MAXIMUM RECOMMENDED WIRE SIZE IS 14
AWG. THE RECOMMENDED TIGHTENING TORQUE
FOR FIELD WIRING TERMINALS IS 6.5 IN/LBS.
ELECTRICAL RATINGS STATED IN LITERATURE AND
ON NAMEPLATES MUST NOT BE EXCEEDED.
OVERLOAD ON A SWITCH CAN CAUSE FAILURE.
NOTE: If unexpected changes in the output will have an
adverse affect on your system, it may be best to configure
the product off-line by applying temporary power to
the device and programming the mode, set point and
deadband values.
The inputs and outputs of the One Series product are
protected against reverse polarity and over voltage.
However, correct wiring is essential to ensure proper
operation of the switch. Optional configurations may change
the terminal designation, location, wire color or size. Be
certain to choose the proper wiring Diagram for the product
being installed. See Diagrams 4 to 14 for wiring/terminal
designations.
Power Supply Connections
The One Series is powered using an 18-30 VDC power
source. The power supply circuit common is shared
internally with:
•the IAW™ switched output
•the 100 mA open drain switch output
•the optional 4-20 mA signal
Connect the positive (+) lead to the Red, 20 AWG wire
(Model A) or the terminal marked V+ (Models B & C).
Connect the negative (-) lead to the Black, 20 AWG wire
(Model A) or the terminal marked circuit common (Models B
& C). See Diagram 4.
ALTHOUGH THE ONE SERIES INCORPORATES
REVERSE POLARITY AND SURGE
PROTECTION ON THE POWER SUPPLY INPUT,
IT IS HIGHLY RECOMMENDED THAT POLARITY
AND VOLTAGE LEVELS BE CONFIRMED PRIOR TO
POWERING THE UNIT. IF ERRANT SWITCHING OF
THE OUTPUT WILL HAVE ADVERSE AFFECTS ON THE
SYSTEM ENSURE THAT THE OUTPUT(S) ARE NOT
CONNECTED UNTIL THE PRODUCT HAS BEEN
CONFIGURED APPROPRIATELY.
IAW Output Connections
The One Series 100 mA open drain IAW™ output is a
“sinking” output which completes the circuit to the circuit
common. The power for the IAW™ output must be
provided externally and referenced to the power supply
circuit common (earth ground).
If the device to be controlled is a pilot light or relay, the
negative (-) side of the load will be connected to the One
Series output connection.
For Model A, this would be the Orange, 20 AWG
wire.
For Models B & C, the terminal is marked IAW™
output.
The positive side of the load is connected to the load power
source Vl+. See Diagram 5.
NOTE: If the IAW™ load is inductive (i.e. a relay), a fly
back diode, such as a 1N914 should be used to prevent an
inductive feedback into the switched output circuit. See
Diagram 6.
LOGIC SOLVER CONNECTION
The One Series IAW™ output is connected directly to a
digital input channel on the logic solver. An appropriately
sized pull-up resistor must be connected between the digital
input and a DC power source. The value of the pull-up
resistor must be calculated based on the excitation voltage
and the voltage threshold for a logic level low required by the
logic solver. The off-state leakage current of 10 µA must be
factored into the equation. See Diagram 7.
NOTE: Consult United Electric for flow charts, state
diagrams and timing charts for the IAW output when
interfacing with a logic solver.
100 mA Switched Output Connections
(Output Models A & B)
The One Series' 100 mA open drain switched output is a
“sinking” output which completes the circuit to the circuit
common. The power for the switched output must be
provided externally and referenced to the power supply
circuit common (earth ground).
If the device to be controlled is a pilot light or relay, the
negative (-) side of the load will be connected to the One
Series output connection.
For Model A, this would be the Brown, 20 AWG
wire.
For Models B & C, the terminal is marked SWT-
OUT.

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The positive side of the load is connected to the load power
source Vl+. See Diagram 8.
NOTE: If the switched output load is inductive (i.e. a relay),
a fly back diode, such as a 1N914 should be used to prevent
an inductive feedback into the switched output circuit. See
Diagram 9.
LOGIC SOLVER CONNECTION
The One Series' 100 mA switched output may also be
connected to a digital input channel on a logic solver. An
appropriately sized pull-up resistor must be connected
between the digital input and a DC power source. The value
of the pull-up resistor must be calculated based on the
excitation voltage and the voltage threshold for a logic level
low required by the logic solver. The off-state leakage
current of 10 µA must be factored into the equation. See
Diagram 10.
Solid State Relay Switched Output
(Output Type C)
The One Series SSR switched output is a single pole, single
throw (SPST) switching device which makes and breaks the
output circuit. Two terminals are provided for the external
load power source
(VAC-HI) and the switched signal connected to the device
under control (LOAD). Wire the output as follows, per
Diagram 11.
•The power source connects to the terminal marked
VAC-HI
•The load connects to the terminal marked LOAD
•The other load connection is to the power source return
Optional 4-20 mA Analog Process
Signal Output
The One Series 4-20 mA output signal is intended for
remote monitoring or trending of the process variable. The
output is a sourcing (powered) output which simply means,
no external power supply should be applied to this
connection.
The current loop begins with the output connection, through
the remote indicator or controller (500Ωmax.) terminating at
the One Series circuit common connection. See Diagram
12.
The positive (+) lead of the output device is connected to the
Ones Series, 4-20 mA output connection.
For Model A, this would be the Yellow, 20 AWG
wire.
For Models B & C, the terminal is marked 4 - 20
mA.
The Negative (-) lead of the output device must return to the
One Series circuit common connection.
The One Series 4 to 20 mA output may also be connected
to a logic solver. See Diagram 13.
Summary of Wiring Connections
The following tables show the output function and the
corresponding connection on the product.

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With Switch Rating Code A
Function Wire Gauge/Color
Switched Output (5 to 30 VDC, 100 mA max.)*20
AWG/Brown
IAW Output (5 to 30 VDC, 100 mA max.)*20 AWG/Orange
4 - 20 mA Output - Positive (+) (Optional) 20 AWG/Yellow
Power Supply Input + (18 - 30 VDC) 20 AWG/Red
Power Supply and Signal Ground 20 AWG/Black
With Switch Rating Code B
Function Terminal Label
No Connection Blank
Switched Output (5 - 30 VDC, 100 mA max.)*
SWT-OUT
IAW Output (5 - 30 VDC, 100 mA max.)*IAW
4 - 20 mA Output - Positive (+) (Optional) 4-20MA
Power Supply Input + (18 - 30 VDC) + VDC
Power Supply and Signal Ground COMMON
With Switch Rating Code C
Function Terminal Label
Switch Supply - IN(280 VAC, 15 A max.) VAC-HI
Switched Output - OUT(280 VAC, 15 A max.)
LOAD
IAW Output (5 - 30 VDC, 100 mA max.)*IAW
4 - 20 mA Output - Positive (+) (Optional) 4-20MA
Power Supply Input + (18 - 30 VDC) + VDC
Power Supply and Signal Ground COMMON
* Supply voltage on low voltage switched output (rating code A
& B) and the IAW output, must never exceed the unit's power
supply input voltage.
THEORY OF OPERATION
The One Series electronic switch evaluates the measured
process variable and switches the output ON or OFF based on
the set point & deadband values, and the selected switch mode.
Programmable features such as set point, deadband and switch
mode determine how the product is to operate and at what
values.
•The SET POINT is the value at which the output switch turns
ON or OFF to initiate an alarm or shutdown sequence.
See Setting of User Parameters - Set Point.
•The DEADBAND setting determines the difference above
or below set point at which the output switch will reset after
the set point has been reached. See Setting of User
Parameters - Deadband.
•The SWITCH MODE setting determines if:
◊The switched output is ON or OFF above or below
the set point value (NO or NC).
◊The local status indicator flashes to indicate the
switch output has tripped either above or below
the set point value.
◊The I Am Working (IAW™) signal flashes either
above or below the set point value.
◊The deadband is above or below the set point
value.
See Setting of User Parameters - Switch Mode.
•The - Extreme and + Extreme are the minimum and
maximum process values (lowest and highest) sensed by the
product. This provides a snapshot of process variations since
the last time these values had been reset by the user.
A local status indicator (LED) aids the user in determining the
switch output state. When the LED is illuminated continuously, it
signifies normal operation (no fault condition). A flashing LED
signifies a tripped condition (an alarm or shutdown condition,
process variable has surpassed the set point value). If the LED
is not illuminated, it signifies the switch has lost power or is not
able to function properly. Whether the LED output is ON above
or below the set point is determined by the SWITCH MODE
setting.
I Am Working (IAW™) signal provides a remote signal which
can be used to determine the “health” of the product. It can also
be used to determine whether the output has tripped. The
IAW™ signal has three (3) states:
•ON when the product is powered, and internal diagnostics
determine that it is functioning properly and the output has
not tripped.
•OFF when product has lost power or the internal
diagnostics have indicated a failure.
•Flashing ON and OFF (in 50 ms. intervals) to indicate that
the product is functioning properly but the output has
tripped.
The IAW™ output is an open drain (collector) output which may
be used as a signal to a PC, PLC or DCS logic input or to drive
a 5 to 30 VDC (100 mA max.) indicator lamp. The internal
diagnostics test the “health” of the microprocessor, sensor,
firmware and power supply for
proper operation.
NOTE: The power supply voltage for the IAW™ output must
not exceed the power supply input to the device.
The Switched Output may be used in a number ways to provide
local control of the alarm/shutdown circuit, eliminating the need
for remote monitoring, interpretation, and switching logic
algorithms in a PLC, DCS or computer. The One Series’
switched output is intended to initiate an alarm or shutdown
sequence locally and independent of other interpretive devices.
Either the low level open drain output or the optional high current
solid-state relay provide fast, reliable switching in the field at the
point of measurement. The switched output is designed as a
fail-safe-open circuit so that if the One Series loses power the
output will open.
The standard, open drain output may be used to trigger logic
level circuits to initiate an alarm or shutdown sequence. The
optional high level solid-state relay is intended to switch loads
directly such as relays, contactors or moderate AC voltage
loads.
NOTE: The power supply voltage for the low level version of
the switch output must not exceed the power supply input to the
device.
A LCD digital display (user adjustable version only) provides
additional information such as process variable (both numeric
and in a bar graph format), units of measure, and switch status.

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The measured process variable is displayed numerically on the
top line of the display, along with the selected units of measure.
The second line of the display serves as a bar graph indicator
and displays several diagnostic messages.
Display diagnostic Displayed if process variable is:
VALUE > SET POINT Above high limit alarm/shutdown set point value
VALUE < SET POINT Below low limit alarm/shutdown set point value
OVERANGE Above the device maximum operating range
OUT OF RANGE Set point or deadband value is set out of range
The bar graph indicator consists of 48 segments, each segment
representing a process value of approximately 2% of span.
Certain diagnostic information may be displayed in the lower line
of the display. If the output trips, VALUE > SET POINT or
VALUE < SET POINT will flash, alternately with the bar graph
indication, to alert the user what condition has caused the
switched output to trip. An alternately flashing display of
OVERRANGE ! informs the user that the measured process
variable is above the maximum range value.
A four key keypad (user adjustable versions only) allows for
front panel programming of the operating parameters. SET
POINT, DEADBAND, SWITCH MODE, process EXTREMES
and UNIT ID NUMBER are displayed and edited using the
keypad.
Key In Operating Mode
In View/Edit Mode
ññ SET POINT value Increases selected value
òò DEADBAND value Decreases selected value
ïï SWITCH MODE Shifts the cursor Left
ðð UNIT #/SERIAL # Shifts the cursor Right
•A single press of a key displays the appropriate parameter.
NOTE: If there is no keypad activity for approximately 4
seconds, the unit returns to normal operation.
•Pressing the ïand ðkeys simultaneously allows you to
◊Enter the editing mode and
◊Exit the editing mode and save the new parameter.
•Pressing the ðkey twice rapidly, displays the (+) and (-)
Extreme values read by the product since the last time
these values were reset.
NOTE: If the product remains in the EDIT mode, and
there is no keypad activity for approximately 30 seconds,
the unit returns to the normal operating mode and new data
is NOT saved.
An optional 4 to 20 mA analog current output is available to
provide a remote indication of the process variable, relative to
the full scale range of the product. The output signal is
proportional over the operating range of the unit (4 mA at the
minimum range value, 20 mA at the maximum range value)
The output is non-isolated, capable of driving loads up to 500Ω
maximum impedance and may be used as an input to a PC,
PLC or DCS, to monitor process trends or to drive a remote
analog indicator.
Start Up Indication
At start-up the display reads:
VERSION X* X.XX*
**** OK ****
After approximately 2 seconds the unit enters NORMAL
CONTROL MODE and shows appropriate display and alarm
status indication:
X.XXX psi
|||||||||||||||||||||||||||
SETTING OF USER PARAMETERS
Tools
Phillips head screwdriver
Remove Lexan® or stainless steel cover to access keypad.
Switch Mode
TO DISPLAY THE SWITCH MODE
The SWITCH MODE determines if the output energizes
above or below the set point, if the deadband is above or
below the set point, and if the output status LED and IAW™
signal flash when the output energizes or de-energizes. To
simplify set-up, the One Series is programmed to configure
the switch output status, LED and IAW™ status, and
deadband operation, based on the type of application
desired. There are four switch modes, each set the
operating characteristics as follows:
Mode Output Front Panel IAW™Deadband
Switch Status LED Switched is:
Contacts "Flashes" Output
"Pulses"
High Limit Alarm close on rise above set point above set point below set
point
High Limit Shutdown open on rise above set point above set
point below set point
Low Limit Alarm close on fall below set point below set point above set
point
Low Limit Shutdownopen on fall below set point below set point above set
point
These modes pre-configure the One Series for logical
operation.
Example: For High Limit Alarm, when the process variable
goes above set point the output turns ON, both the local and
remote status indicators flash signaling a tripped output, and
the switch resets once the process variable has dropped
below the set point value and the deadband.
To display the SWITCH MODE press the ïarrow key:
X.XXX psi
High Limit Alarm

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NOTE: If there is no keypad activity for approximately 4
seconds,
the unit returns to normal operation.
TO CHANGE THE SWITCH MODE
1. First display the SWITCH MODE by pressing the ï
arrow key.
2. Simultaneously press and hold the ïand ðkeys. A
cursor will flash on the display. You are now in the EDIT
mode.
3. Use the ñand òkeys to scroll the display to the desired
value.
4. To save the new value, press the ïand ðkeys
simultaneously. Unit reverts to NORMAL CONTROL
MODE.
NOTE: If the product remains in the EDIT mode, and there is
no keypad activity for approximately 30 seconds, the unit returns
to normal operating mode and new data is NOT saved.
Set Point
TO DISPLAY THE SET POINT
The SET POINT is the value at which the output trips. The
switched output will reset once the process variable returns
beyond the set point value plus (or minus) the deadband
value (depending on the SWITCH MODE selected).
Example: For High Limit Alarm, if
SP = 300, Deadband = 50, switch energizes at 300 and
de-energizes @ 250.
To display the SET POINT value, press the ñarrow key:
X.XXX psi
Set Point: X.XXX
NOTE: If there is no keypad activity for approximately 4
seconds,
the unit returns to normal operation.
TO CHANGE THE SET POINT VALUE
1. First display the SET POINT value by pressing the ñ
arrow key.
2. Simultaneously press the ïand ðkeys. A cursor will
flash on the display.
3. Use the ïand ðkeys to move the cursor to the value
to be edited.
4. Use the ñand òkeys to scroll the digit to the desired
value. NOTE: In the left hand most value position, the
ñand òkeys toggle between (+) and (-), however
negative values will NOT be accepted by the product.
5. To save the new set point, press the ïand ðkeys
simultaneously. Unit reverts to NORMAL CONTROL
MODE.
NOTE: Attempting to select a Set Point value outside of the
operating range will result in an error message - "Out Of Range”
- and the value will be ignored.
NOTE: If the product remains in the EDIT mode, and there is
no keypad activity for approximately 30 seconds, the unit returns
to the normal operating mode and new data is NOT saved.

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Deadband
The DEADBAND value is the difference, in units, between
when the switched output energizes and de-energizes. The
DEADBAND operation will change based on the selected
SWITCH MODE to be either positive (above) or negative
(below) the set point.
The deadband value is always set as a positive number (no
negative values).
•In High Limit Alarm and High Limit Shutdown mode, the
deadband is below the set point.
•In Low Limit Alarm and Low Limit Shutdown mode, the
deadband is above the set point.
TO DISPLAY THE DEADBAND VALUE
To display the deadband value, press the òarrow key:
X.XXX psi
Deadband: X.XXX
TO SET THE DEADBAND VALUE
1. First display the DEADBAND value by pressing the ò
arrow key.
2. Simultaneously press and hold the ïand ðkeys. A
cursor will flash on the display.
3. Use the ïand ðkeys to move the cursor to the value
to be edited.
4. Use the ñand òkeys to scroll the digit to the desired
value.
5. To save the new value, press the ïand ðkeys. Unit
reverts to NORMAL CONTROL MODE.
NOTE: If the product remains in the EDIT mode, and there is
no keypad activity for approximately 30 seconds, the unit returns
to the normal operating mode and new data is not saved.
NOTE: Consider the SWITCH MODE and operating range
when determining set point and deadband values to ensure that
the reset value is within the operating range. For example, if the
unit is operating in a High Limit Shutdown Mode, the set point is
25 psi and the deadband is 30 psi, the output will trip OFF but
never reset.
-/+ Extreme Values
The - Extreme and + Extreme are the minimum and maximum
process values (lowest and highest) sensed by the product.
This provides a snapshot of process variations since the last
time these values had been reset by the user.
TO DISPLAY THE -/+ EXTREME READINGS
Press the ðarrow key two times rapidly:
- Extreme XXXX
+ Extreme XXXX
TO RESET BOTH THE -/+ EXTREME READINGS
Press the ðarrow key two times rapidly. Simultaneously
press the ðand ïkeys. Unit reverts to NORMAL
CONTROL MODE.
Unit # and Operating Range
The UNIT # is a factory set value for factory use only. There
is no default value and this number may be any value
between 01 to 99. The Operating Range is for reference
only and is displayed in psi. This will correspond to the
minimum and maximum values that the unit may be set to,
or will display.
To display the Unit # and Operating Range, press the ð
arrow key:
0 to XXXX psi
Unit #: XX
Replacement Parts /User Service
There are no user serviceable parts in this product. Should a
product require service, it must be returned to the factory for
evaluation.

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Diagram 1 Single Enclosure Version (no terminal block or solid-state relay)
Diagram 2 Dual Enclosure Version (for terminal block and solid-state relay options)
Diagram 3

9
Sensor Dimensions All dimensions shown in inches (millimeters)
Local Mount Low Temperature High Temperature Pressure Sensor
Remote Remote
Diagram 5
Local Mount Versions
Model DIM "L" (IN.)
L1 4
L2 6
L3 10
Remote Mount Versions
Model DIM "L" (FT.)
R1 6
R2 10
R3 20
High Temperature Version
Model DIM "L" (FT.)
H1 6
H2 10
H3 20
Diagram 4

10
Diagram 6
Diagram 7
Diagram 8

11
Diagram 9
Diagram 10
Diagram 11
Diagram 12

12
Diagram 13

13
Diagram 14
NOTE: The Voltage applied to the IAW and Switch (Models
A & B) outputs may not exceed the voltage applied to the
power supply input
20
RECOMMENDED PRACTICES AND WARNINGS
United Electric Controls Company recommends careful consideration of the
following factors when specifying and installing UE pressure and temperature
units. Before installing a unit, the Installation and Maintenance instructions
provided with unit must be read and understood.
• To avoid damaging unit, proof pressure and max.temperature limits stated
in literature and on nameplates must never be exceeded, even by surges in the
system. Operation of the unit up to proof pressure or max. temperature is
acceptable on a limited basis (i.e. start-up, testing) but continuous operation must
be restricted to the designated adjustable range. Excessive cycling at proof
pressure or maximum temperature limits could reduce sensor life.
• A back-up unit is necessary for applications where damage to a primary unit
could endanger life, limb or property. A high or low limit switch is necessary for
applications where dangerous runaway conditionscould result.
• The adjustable range must be selected so that incorrect, inadvertent or
malicious setting at any range point can not result in an unsafe system condition.
• Install unit where shock, vibration and ambient temperature fluctuations will
not damage unit or affect operation. Orient unit so that moisture does not enter
the enclosure via the electrical connection.
• Unit must not be altered or modified after shipment. Consult UE if
modification is necessary.
• Monitor operation to observe warning signs of possible damage to unit, such
as drift in set point. Check unit immediately.
• Preventative maintenance and periodic testing is necessary for critical
applications where damage could endanger property or personnel.
• For all applications, a factory set unit should be tested before use.
• Electrical ratings stated in literature and on nameplate must not be
exceeded. Overload on a switch can cause damage, even on the first cycle.
Wire unit according to local and national electrical codes, using wire size
recommended in installation sheet.
• Use only factory authorized replacement parts and procedures.
• Do not mount unit in ambient temp. exceeding published limits.
LIMITED WARRANTY OF REPAIR
AND REPLACEMENT
UE warrants that the product hereby purchased is, upon delivery, free from
defects in material and workmanship and that any such product which is found to
be defective in such workmanship or material will be repaired or replaced by UE
(F.O.B. UE); provided, however, that this warranty applies only to equipment
found to be so defective within a period of 12 months after installation by buyer
but not to exceed 18 months after delivery by the seller. UE shall not be obligated
under this warranty for alleged defects which examination discloses are due to
tampering, misuse, neglect, improper storage, and in any case where products
are disassembled by anyone other than authorized UE representatives.
EXCEPT FOR THE LIMITED WARRANTY OF REPAIR AND REPLACEMENT
STATED ABOVE, UE DISCLAIMS ALL
WARRANTIES WHATSOEVER WITH RESPECT TO THE PRODUCT,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR ANY PARTICULAR PURPOSE.
LIABILITY TO LIMITATION
SELLERÕS LIABILITY TO BUYER FOR ANY LOSS OR CLAIM, INCLUDING
LIABILITY INCURRED IN CONNECTION WITH (I) BREACH OF ANY
WARRANTY WHATSOEVER EXPRESSED OR IMPLIED, (II) A BREACH OF
CONTRACT, (III) A NEGLIGENT ACT OR ACTS (OR NEGLIGENT FAILURE TO
ACT) COMMITTED BY SELLER, OR (IV) AN ACT FOR WHICH STRICT
LIABILITY WILL BE IMPUTED TO SELLER, IS LIMITED TO THE LIMITED
WARRANTY OF REPAIR AND REPLACEMENT STATED HEREIN. IN NO
EVENT SHALL THE SELLER BE LIABLE FOR ANY SPECIAL, INDIRECT,
CONSEQUENTIAL OR OTHER DAMAGES OF A LIKE GENERAL NATURE,
INCLUDING, WITHOUT LIMITATION, LOSS OF PROFITS OR PRODUCTION,
OR LOSS OR EXPENSES OF ANY NATURE INCURRED BY THE BUYER OR
ANY THIRD PARTY.
UNITED ELECTRIC CONTROLS
180 Dexter Avenue
Watertown, MA 02472
617-926-1000, FAX [phone]
www.ueonline.com
5MIKON998