79 VS20WRF and VS20BRF Installer Manual
Installation - Technical Detail
Model VS20RF
Type Electronic programmable room thermostat, digital room thermostat
and hot water RF
Programming Modes User selectable for 5/2, ALL and Individual day options
Program Number 1-6 Selectable
Modes Party, Vacation, Program and Frost
Override Permanent and temporary
Frost Protection 5ºC Adjustable
Power Source 230V AC 50Hz RF - 4 x AAA VS20RF
Temperature Scale 5 to 35ºC, tolerance 0.5ºC
Heat/Cool Global changeover using communication bus and external input to
the wiring centre
Sensor Air or floor protection. Cylinder thermostat when configured for
hot water timer.
Device Parameters See page 71
Operating Temperature 0 to 45ºC
Storage Temperature -20 to 60ºC
Frequency 2.4GHz Zigbee
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