ST2402WIFIRF RF and WiFi programmable HVAC thermostat with receiver

WiFi Smart Thermostat 230V WiFi Smart Thermostat Air Conditioner Thermostats Programmable Thermostat

RF WiFi Programmable Thermostat Air Condition HVAC System

Name: RF WiFi Programmable Thermostat Air Condition HVAC System
Brand: Smart Therm

ST2402WIFIRF is the air conditioning and HVAC version of our dual protocol platform. The room unit links to the receiver on 868.35 MHz across about 200 m, and the receiver carries a built-in WiFi module for iOS and Android app control. It runs 7 day, 5/2 day and 24 hour programmes with a factory pre-set schedule and a keypad lockout, in a contemporary 120 x 77 x 28 mm room unit.

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Key Benefits

RF plus WiFi so local control is never dependent on the building network
Slim 120 x 77 x 28 mm room unit with a contemporary front
iOS and Android apps for remote access
Three programme modes with a factory pre-set schedule
Keypad lockout for shared and public spaces

Problems It Solves

Connected stats that stop working when the network drops
Bulky controls in finished living rooms
Schedules altered by anyone in a shared building
Installers programming every unit on site

Who It Is For

Air conditioning distributors
Building managers in shared property
Installers fitting controls in visible living areas
OEM buyers wanting a slim dual protocol model

Technical Features

Room unit to receiver RF link on 868.35 MHz, approximately 200 m in open terrain
Receiver with WiFi module built in, iOS and Android app available
7 day, 5/2 day and 24 hour programmable with a factory pre-set programme
HEAT and COOL modes, keypad lockout
Temperature range 0 C to 40 C in 0.1 C, control range 5 C to 35 C in 0.5 C
Measurement accuracy +/-1 C at 20 C, calibration adjustment -3 to +3
Maximum load 6(2)A at 230V, 6 A with 2 A inductive load, 24 V AC/DC to 250 V AC
Room unit 2 x AAA 1.5V alkaline batteries, 120 x 77 x 28 mm; receiver 86 x 86 x 26 mm, 230VAC, 6W

Specifications

Programmability	7 Day, 5/2 Day and 24 hour Programmable
Power Supply	230VAC, 50HZ
Power Source	DC 2 x AAA 1.5V
Switchable Voltage	24 V AC / DC,…250 V AC; 50Hz
Switchable Current	6 A (2 A inductive load)
Maximum Load	6(2)A, 230V
Temperature Range	0°C-40°C in 0.1°C
Control Temp.Range	5°C-35°C in 0.5°
Temp.Meas.Accuracy	±1°C (at 20°C)
Dimension	86 x 86 x 26 mm
Operating Frequency	868.35MHZ
Transmission Distance	approx. 200m in open terrain
Consumption	6W
Receiver	WiFi module built-in

Specifications are taken from the manufacturer data for this model. Confirm the exact configuration with us before you order.

Application Scenarios

Air conditioning and HVAC systems controlled remotely
Shared apartment buildings needing lockout
Living areas where the control is on show
Sites with unreliable broadband

Quality Control

RF link and WiFi association both verified on every set
Keypad lockout exercised during the functional test
Receiver contact tested at 6(2)A 230V

Customisation Options

Factory pre-set programme to the buyer's specification
App branding on ODM projects
Backlight colour from the standard options
Housing marking, manual and carton

Comparison

How It Compares

ST2602WIFIRF

ST2402WIFIRF uses a slimmer 120 x 77 x 28 mm room unit and is specified for air conditioning and HVAC rather than boiler heating.

ST2402RF

This version adds the built-in WiFi module at the receiver for app control.

Use guide

Installing And Commissioning

Step 1

Mount the 86 x 86 x 26 mm receiver at the appliance on 230VAC 50 Hz

Step 2

Land the switched conductor within the 6(2)A 230V rating

Step 3

Fit 2 x AAA batteries in the room unit and confirm the RF binding

Step 4

Join the receiver to the WiFi network through the iOS or Android app

Step 5

Set the programme, enable keypad lockout and apply a calibration offset if needed

Answers