Lux Products P621U operating instructions

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CAUTIONS AND WARNINGS:

•This thermostat requires batteries to operate and failure or sub-standard performance of the batteries may impair or prevent the correct operation of the thermostat. Use Duracell® or Energizer® alkaline batteries ONLY for all LUXPRO thermostats requiring batteries. BE SURE TO CHANGE THE BATTERIES AT LEAST ONCE A YEAR, or whenever you see the LO BATT indication on the screen. Failure to follow these battery instructions could result in property damage and/or personal injury.

•The electrical rating for this thermostat is 1.5 Amps per terminal, with a maximum total load of 3.0A for all terminals combined.

•The thermostat contains parts that may wear out through use and are susceptible to failure if over-loaded or used in a manner other than as indicated in the documentation.

•Check unoccupied residences regularly to ensure that all systems are operating properly.

•Check any heating/air-conditioning system including this product before operation and at regular intervals.

•Electrical interference, static electricity, failure or substandard performance of batteries, wiring defects in the installation and/or characteristics of the connected HVAC devices may prevent the system from regulating heating and cooling as anticipated.

•The thermostat is a sensitive device and dropping the product can cause damage to critical components. If the product is dropped or shaken violently during transport or installation then it should be replaced immediately.

•Persons with physical or mental limitations may not be able to promptly respond to a malfunction of the heating/air-conditioning system.

•All residents should be made aware of the potential in any system for malfunctions that could cause continuous heating or cooling and should be familiar with the operation and location of the heating/cooling appliance on/off switch.

•Read the instruction manual completely before installing the thermostat. You should consult a qualified HVAC technician or an electrician if you do not fully understand the installation instructions.

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Contents
2 1 U Page P621U System CompatibilityFeatures Tools YOU MAY NeedMounting Location Remove OLD ThermostatInstall Thermostat Base Wiring InformationWiring Diagram Notes Wiring Diagrams With AUX / Emergency HeatIncluding Millivolt 2-WIRE Heat USE RH & W1 HOT Water Heating only STAGE, Cooling only Stage Heating and 1-STAGE Cooling Stage Stage Cooling with TWO Separate 24V Transformers SINGLE-STAGE Heat Pump System Heat / 1-COOL, Heat Pump System Hardware Setup Options Page Complete the Install Front Panel ItemsPage Heat Mode Cool Mode Operating InstructionsPage Temperature Programs Advanced Features 70˚F Set Temperature Swing Setting= Page Page Page Page Software Reset The Software Reset button labeled SW Battery Replacement Technical AssistanceLimited Warranty Mercury Warning and Recycling Notice536 P