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Installation and Operating Instructions  
MECHANICAL LINE VOLTAGE THERMOSTAT  
52189  
Model LV11 - Single-Pole, Heating Only  
(TO HEATER)  
BLACK, L1-OUT  
L1  
RED, L1-IN  
(CIRCUIT BREAKER)  
WARNING:  
5. Carefully bend any excess wire length into the rear of the electrical box  
to allow enough room for the thermostat to be comfortably secured to  
the wall box without having to force it. Ensure that the wires are  
positioned so that the mounting screws will not damage the wire  
insulation when they are installed.  
6. Once complete, turn the power back on to your heating equipment at the  
circuit breaker and confirm proper heating operation in all thermostat  
dial positions.  
This thermostat directly controls line voltage (120/240 VAC). Do not attempt  
to install this thermostat unless you are completely familiar with line  
voltage wiring. If proper precautions are not followed, a risk of electric  
shock may exist, possibly causing severe injury or death. Disconnect the  
supply voltage at the circuit breaker prior to removing the existing  
thermostat or installing this one.  
RISK OF FIRE HAZARD:  
If the electrical conductors to your thermostat wall box are aluminum,  
DO NOT use the wire nuts supplied with this thermostat. Connections to  
aluminum wiring must be made using approved CO/ALR solder-less wire  
connectors specifically made for use with aluminum conductors. NOTE: the  
wires on this thermostat are copper, with a nickel coating to prevent  
corrosion.  
TECHNICAL ASSISTANCE:  
If you have any problems installing or using this thermostat, please  
carefully and thoroughly review the instruction manual. If you require  
assistance, please contact our Technical Assistance Department at  
856-234-8803 during regular business hours between 8:00AM and 4:30PM  
Eastern Time, Monday through Friday. You can also receive technical  
web site offers you answers to the most common technical questions, and  
also permits you to email your questions to our technical support staff at  
your convenience.  
THERMOSTAT SPECIFICATIONS AND ELECTRICAL RATINGS:  
22 AMPS @ 120/240 VAC (2640/5280W RESISTIVE LOAD)  
22 AMPS @ 208 VAC (4576W RESISTIVE LOAD)  
22 AMPS @ 277 VAC (4986W RESISTIVE LOAD)  
0.75 HP @ 120 VAC (INDUCTIVE LOAD)  
LIMITED WARRANTY:  
If this unit fails because of defects in materials or workmanship within  
three years of the date of original purchase, LUX will, at its option, repair  
or replace it. This warranty does not cover damage by accident, misuse, or  
failure to follow installation instructions. Implied warranties are limited in  
duration to three years from the date of original purchase. Some states do  
not allow limitations on how long an implied warranty lasts, so the above  
limitation may not apply to you. Please return malfunctioning or defective  
units to the location from which the purchase was made, along with proof  
of purchase. Please refer to "TECHNICAL ASSISTANCE" before returning  
thermostat. Purchaser assumes all risks and liability for incidental and  
consequential damage resulting from installation and use of this unit.  
Some states do not allow the exclusion of incidental or consequential  
damages, so the above exclusion may not apply to you. This warranty  
gives you specific legal rights and you may also have other rights which  
vary from state to state. Applicable in the U.S.A. and Canada only.  
1.50 HP @ 208/240/277 VAC (INDUCTIVE LOAD)  
ETL LISTED (USA AND CANADA)  
SETTING RANGE: 41°F - 90°F (5°C - 32°C)  
INSTALLATION INSTRUCTIONS:  
1. Disconnect the supply power before removing your old thermostat (if  
applicable), and keep it off until after you have completed the  
installation.  
2. If replacing an old thermostat, remove it carefully to avoid damaging the  
wires or the insulation. Check the existing wire insulation for cracks,  
nicks, or fraying. Apply electrical tape where necessary to achieve  
adequate insulation, or replace the wires in an approved fashion.  
3. Be sure to use the appropriate wires on the thermostat: the RED  
thermostat wires shall be connected to the voltage supply wires from the  
circuit breaker, and the BLACK thermostat wires shall be connected to  
the wires going to the heating appliance.  
4. Perform the wire connections using appropriately sized solder-less wire  
connectors (provided), and be sure that ALL wire connections are  
securely tightened.  
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