433MHz Wireless Thermostat

433MHz Fan Coil Thermostat , Wireless Programmable Room Thermostat

Quick?Detail:

Surface?mounting

85-260Vac

On/off?control

2pipe?/?4pipe

Description:

●?Transmits?up?to?30?meters?through?walls?and?floors?
●?Communicates?at?433?MHz?for?interference?free?operation?
●?Works?with?2-pipe?or?4-pipe?fan?coil?units?
●?Programmable?up?to?4?periods?daily,?which?can?be?customized?for?each?day?of?the?week?
●?Programming?is?retained?in?memory?even?if?the?battery?is?off?power
●?LCD?Backlighting?to?illuminate?the?display?for?easier?viewing?in?low?light?condition
●?Backlit?display?for?easy?nighttime?viewing?(automatically?turns?off?after?6?seconds?of?non-use)?
●?Displays?either?Fahrenheit?or?Centigrade?
●?Battery?life?is?approximately?6months?with?normal?use?and?rechargeable?by?USB?cable
●?Thermostat?can?be?installed?without?disrupting?your?room?structure
●?OFF?status?has?an?integral?frost?protection?setting?at?minimum?5℃?(installer?adju-stable)?so?that?pipes?in

?the?house?will?never?freeze?in?winter
●?Low?battery?indicator

Applications:

The?A3920?series?thermostat?is?a?wireless?thermostat?to?control?2-pipe?or?4-pipe?fan?coil?unit?and?controller

?that?can?be?placed??anywhere?at?your?home,?office.?
The?A3920?thermostat?pack?consists?of?a?room?thermostat?and?a?relay?box.?No?wiring?to?the?room?unit?is?

required.?The?installer?only?needs?to?wire?the?relay?box?to?the?controlled?device?(e.g.?fan?coil?unit)?and?mount

?the?room?unit?in?a?suitable?location?where?RF?communication?is?reliable.?The?A3920?thermostat?uses?reliable

?RF?communication?technology?in?the?433MHz?band.
The?A3920?extra?large?LCD?display,?symbol?display.?The?unit?is?ideal?for?consumers?who?want?reliable?and

?precise?temperature?control?from?a?modern?looking,?simple?to?program?and?easy-to-use?product.

TECHNICAL DATA

Sensing Element: NTC
Display accuracy:0.5°C
Heating range:5～34°C
Cooling range: 6～35°C
Display range: 0～55°C
Working environment: 0°C～50°C(32°F~120°F)
Humidity: 5～95% RH(non-condensing)
Self consumption power:＜1 W
Power supply: AC 85～260V,50/60Hz
Wiring terminal: connect 2×1.5 mm2 or 1×2.5 mm2 wires
Output load current:<2A(Resistive)
Shell: Fire retardant PC
Dimension: 4.5x3.8x1.8 in ( 116×98×45 mm )(HxWxD)
Protection class: IP 20
Wireless carrier wave frequency : 433MHz
Communication baud rate : 2.4kbps
Wireless channels: 1~6 channels
Wireless frequency bias: 5.2K
Communication distance: Up to 100 Meters Open Space