Model Number

WH501 WW

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 adjustable
6) 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 no fan, single-speed fan and three-speed fan(WH501 WW).
10) Fan speed adjustable automatically or manually(WH501 WW).
11) Display adjustable between °C and °F.
12) Eenergy saving function by using room card(WH501 WW).
13) Antifreeze when turn off.
14) Allowable to set the highest temperature of heating and the lowest temperature of cooling.
15) Three transmission modes for selection, i.e. wired, wireless or multi-channel.
16) Allowed for wired / wireless installation in standard box, or allowed to install on battery seat for wireless transmitting.
17) Multiple fault detection and display functions.


Parameter


Power: 220V AC (±10%) 50 Hz or two LR6 1.5V alkaline batteries
Contact capacity: 3A/250V (WH501WW); 5A/250V (WH501MRF); 16A/250V (WH501RF)
Range of temperature display: 0?5°C/32?13°F
Range of temperature setting: 5?5°C/41?5°F
Display accuracy: 0.1 °C (1°F)
Probe sensor: NTC(100K) 1%
Service life of relay: Switching times not less than 100,000 times
Protection level: IP20
Insulating condition: Normal environment
Working environment temperature: -18?0°C/0?22°F
Frequency: 433MHz (WH501RF/MRF)
Wireless transmission distance: Indoor 16/50m; outdoor 200m (WH501RF/MRF)
Dimension(mm): 86H*86W*12D
Installation: Installed in standard box or on batter seat


Scope of Control Application


Control of family air-condition and central air-condition;
Control of wall-mounted boiler
Control of Thermal Actuator or electromagnetic valve
Control of water pump;
Control of fan coil;
Ventilation control.