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Technical data
General
IP IP20 (IP: degree of inaccessibility to active parts of the product and
degree of water)
Maximum ambient RH (relative humidity) 85% at 68°F (20°C)
Antenna
Power supply From controller
Radio frequency 912 MHz
Transmitter duty cycle <1%
Receiver class 2
Thermostats
ERP IV
Low-voltage tests EN 60730-1* and EN 60730-2-9***
EMC (electromagnetic compatibility requirements) tests EN 60730-1 and EN 301-489-3
ERM (electromagnetic compatibility and radio spectrum matters) tests EN 300 220-3
Power supply Two 1.5 V AAA alkaline batteries
Voltage 2.2 V to 3.6 V
Operating temperature 32°F to 113°F (0°C to 45°C)
Storage temperature 14°F to 149°F (-10°C to 65°C)
Radio frequency 912 MHz
Transmitter duty cycle <1%
Base unit
Low-voltage tests EN 60730-1* and EN 60730-2-1***
EMC (electromagnetic compatibility requirements) tests EN 60730-1 and EN 301-489-3
ERM (electromagnetic compatibility and radio spectrum matters) tests EN 300 220-3
Power supply 24 VAC +10/-15%, 60 Hz, VA maximum
Internal fuse T5 F3.15AL 250 V, 5x20 3.15A quick acting
Internal fuse, heat output TR5-T 8.5 mm Wickmann 100 mA time lag
Operating temperature 32°F to 113°F (0°C to 45°C)
Storage temperature -4°F to 158°F (-20°C to 70°C)
Maximum consumption 45 W
Pump and boiler relay outputs 24 VAC 8 A maximum
General purpose input (GPI) Only dry contact
Valve outputs 24 VAC, 4 A maximum
*) EN 60730-1 Automatic electrical controls for household and similar use
Part 1: General requirements
**) EN 60730-2-1 Automatic electrical controls for household and similar use
Part 2-1: Particular requirements for electrical controls for electrical
household appliances
***) EN 60730-2-9 Automatic electrical controls for household and similar use
Part 2-9: Particular requirements for temperature sensing controls