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Multi-Function Digital HVAC System 7 days Programmable Thermostat for Smart Home

S2303 is a wired 230V room thermostat for heating and cooling, running a 7 day programme with six time and six temperature steps per day. A manual override handles one-off changes without touching the stored programme, and a lock key function protects the settings in shared property. It is wall mounted, battery powered, and supplied with one instruction sheet.

Key Benefits

  • Six time and temperature steps per day follow real occupancy
  • Manual override changes today without rewriting the programme
  • Lock key function protects the schedule in shared and rented property
  • Room temperature calibration corrects a warm or draughty position
  • Blue backlight readable at night without lighting the whole room

Problems It Solves

  • Two-period programmers that cannot follow a modern week
  • Tenants rewriting the heating schedule
  • Overrides that permanently overwrite the stored programme
  • Stats reading high because of where the cable ended

Who It Is For

  • Smart home installers
  • Landlords and letting agents
  • Heating merchants stocking a programmable wired stat
  • OEM buyers needing a six step per day model

Technical Features

  • 7 day programmable with 6 time and 6 temperature settings per day
  • Heating and cooling operation
  • Manual override mode
  • Lock key function
  • Room temperature calibration adjustment
  • Wall mounted with battery power supply
  • Blue backlit LCD
  • ABS and PC housing, weight 400 g

Specifications

ModelS2303
BacklightBlue
MaterialABS+
Weight400g
Package Included1Wired Thermostat 1Instruction

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

Application Scenarios

  • Houses with different patterns on different days
  • Smart home installations needing a scheduled room control
  • Rented property where the landlord sets the programme
  • Offices with early and late occupancy blocks

Quality Control

  • Six step programme entry exercised on every unit
  • Lock key function verified before packing
  • Calibration adjustment checked on batch samples

Customisation Options

  • Factory preset programme to the buyer's specification
  • Backlight colour on volume orders
  • Front label, logo and housing marking
  • Instruction sheet in the buyer's language
Comparison

How It Compares

S2301 non-programmable thermostat
S2303 adds a full 7 day programme with six steps per day, which is where the energy saving comes from.
S2302
S2303 is fixed to a blue backlight, where S2302 offers blue or orange, and the two are otherwise close siblings on the same wired platform.
Use guide

Installing And Commissioning

Step 1

Isolate the supply and mount the backplate at about 1.5 m

Step 2

Land the switched conductor on the marked terminal

Step 3

Fit batteries and set the clock and weekday

Step 4

Enter up to six time and temperature steps for each day

Step 5

Enable the lock key function in shared property before handover

Answers

Multi-Function Digital HVAC System 7 days Programmable Thermostat for Smart Home: Buyer Questions

How many setpoint changes per day can the S2303 hold?

Six times and six temperatures per day, across a 7 day programme.

Can the settings be locked?

Yes, using the lock key function.

Does manual override erase the programme?

No. It changes the current period only and the stat returns to the stored programme.

What does it weigh?

400 g.

What is in the box?

One wired thermostat and one instruction sheet.

Can you preload our schedule?

Yes. Send us the daily periods and we will write them before shipment.

Quote The Multi-Function Digital HVAC System 7 days Programmable Thermostat for Smart Home

Send us the quantity, the destination market and any branding or firmware changes you need. Samples ship within 30 days and bulk orders in 15 to 45 days.