Salus ST921WF Installation Manual

iiSafety InstructionsPlease read these instructions carefully BEFORE INSTALLING AND USINGthe ST921WF Thermostat. This manual is meant to be used as a reference guidefor the installation, configuration and maintenance of your device.• Follow all regulations required by the local jurisdiction and electricitysupplier regarding the installation or replacement of a thermostat. Anauthorized, qualified installer may be required.• DO NOT CONNECT ANY TERMINALS TO 110 VAC or 220 VAC SUPPLYVOLTAGE. The ST921WF Thermostat uses a 24 VAC power source.• DO NOT expose the unit to voltage fluctuations of more than ±10%.• DO NOT cover any of the vents on the thermostat.• DO NOT allow the unit to get wet. This device serves as a temperaturecontrol system in dry, closed living and office spaces.• DO NOT place the thermostat in a bathroom or area of excessive moisturewhere relative humidity exceeds 90%.• DO NOT expose the thermostat to temperatures below -4°F (-20°C) or above122°F (60°C).• DO NOT install this unit in an altitude of over 6,500 feet (2,000 meters).• DO NOT use solvents or aggressive cleaning agents. A soft dry clothis recommended.The manufacturer accepts no responsibility for any damage caused byfailure to follow these instructions.