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 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 ℃ and ¨H. 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 ***ection and display functions.
Parameter
Power: 220V AC (¡À10%) 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¡Â45℃/32¡Â113¨H Range of temperature setting: 5¡Â35℃/41¡Â95¨H Display accuracy: 0.1 ℃ (1¨H) 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¡Â50℃/0¡Â122¨H 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 pum |