Operation Manual
Owner's Manual
7
ENGLISH
Specification
Power Supply: 20VAC-30VAC 50-60 Hz or Battery powered.
Terminal Load: 1.0 A per terminal, 3.0 A maximum total load
Set Point Temperature Range: 45 °F to 90 °F (7 °C to 32 °C).
Accuracy: +/- 1 °F or +/- 0.5 °C.
Dimensions: 5.1" W X 3.7" H X 1.2" D
Color: White
FEATURES
• Large LCD display with backlight, continuous backlight option.
• Simultaneous heat and cool set point storage.
• Display of room temperature, set temperature and current time simultaneously.
• Fan switch with ON and AUTO.
• Permanent user setting retention during power loss. No batteries are required.
• Optional *AAA* batteries provide continuous time and temperature display during power loss.
• Optional temperature display of Fahrenheit or Celsius scale.
• Air Filter change Indicator.
• Compressor short cycling protection available.
• Low Battery Indicator.
• Display temperature calibration.
• Separate 5-day (weekday) and 2-day (Saturday/Sunday) programming with four separate time/temperature peri-
ods per day.
• Display temperature recalibrates.
IMPORTANT SAFETY lNFORllATION
• Always tum off power at the main power source by removing the fuse, or switching the circuit breaker to the off
position before installing, removing, cleaning, or servicing this thermostat.
• Read all of the information in this manual before installing this thermostat.
• Use a professional contractor to install this thermostat.
• This is a 24VAC low-volage thermostat
DO NOT INSTALL ON VOLTAGES HIGHER THAN 30 VAC.
• ALL wiring must conform to local and national building and electrical codes and ordinances.
• Do not short (jumper) across terminals on the gas valve or at the system control to test installation. This will dam-
age the thermostat and void the warranty.
• Do not switch the system to cool if the temperature is below 50 °F (10 °C). This can damage the air conditioning
system.
• This thermostat wil not control your heating/air conditioning system without power. Two “AAA” alkaline batteries
are only used to provide continuous time and temperature display during power loss. Installed batteries will allow
programming prior to installation.
• Replace batteries when the battery icon indicates the low battery message.
• Change the air filter when the Filiter Change lcon begins blinking.
• Use this thermostat only as described in this manual.
Содержание LK-C0728A
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