1.Heating and cooling function. 2.energy-saving function by using room card.Allowable to calibrate the temperature display.

    Model:WH504WW with blue backlight display by underfloor heating thermostat.which is applied for household and industrial;office etc.It's very convenience for you to control the equipment and floor heating system etc.External temperature sensor for your choice.

Features

1) Heating / cooling control;2) Easy operation and intuitive display;3) Backlight display (for 220V);4) Delay-time On / Off function;5) The temperature difference between off and on is adjustable6) Allowable to calibrate the temperature display; 7) Allowable to connect the external temperature sensor (Optional: NTC 100K). Outdoor temperature display provided.8) Display adjustable between room temperature, outdoor temperature and preset temperature.9) Applicable to control of  three-speed fan.10) Fan speed adjustable automatically or manually.11) Display adjustable between C and F. 12) Energy saving function by using room card.13) Antifreeze when turn off.14) Allowable to set the highest temperature of heating and the lowest temperature of cooling.15) Wired transmission. 16) Allowed to install in standard 86 box. 17) Multiple fault detection and display functions.

ParameterPower: 220V AC (±10%) 50 HzContact capacity: 3A/250VRange of temperature display: 0÷45 C/32÷113 FRange of temperature setting: 5÷35 C/41÷95 FDisplay accuracy: 0.1 (1)Probe sensor: NTC (100K) 1%Service life of relay: Switching times not less than 100,000 timesProtection level: IP20Insulating condition: Normal environmentWorking environment temperature: -18÷50 C/0÷122 FDimension (mm): 86H*86W*12DInstallation: Installed in standard boxScope of Control Application 

1.Control of family air-condition and central air-condition;

2.Control of wall-mounted boiler

3.Control of Thermal Actuator or electromagnetic valve

4.Control of water pump;

5.Control of fan coil;