thermostat

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Features 1) Heating / Cooling control 2) Programmable function of 24 time sections per day and 7-day per week 3) 3 sets of permanent programs ( 2 sets of factory setting program and 1 set of self-setting program) 4) Pre-cooling or pre-heating function in automatic program 5) Backlight display (at 220V) 6) The temperature difference adjustable between off and on 7) Allowable to calibrate the temperature display; 8) Allowable to connect the external temperature sensor. Outdoor temperature display provided. 9) Display adjustable between room temperature, outdoor temperature and preset temperature. 10) Fan speed adjustable automatically or manually to control of no fan(WH611 WW), single-speed fan(WH612WW) or three-speed fan(WH614WW). 11) Display adjustable between ℃ and F. 12) Allowable to keep user settings after power shutdown. 13) Antifreeze (or energy-saving) 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 transmission. 16) Multiple fault detection and display functions. 17) Energy-consumption display function 18) Allowed for wired / wireless installation in standard box(WH611 WW，WH612WW，WH614WW), or allowed to install on battery seat for wireless transmitting(WH611RF,WH611MRF). Parameter Power: 220V AC (±10%) 50Hz / two LR6 1.5V alkaline batteries Range of temperature adjustment: 5÷35℃/39÷95℉ Range of temperature display: 0÷40 0C/32÷104℉ Temperature test frequency: Every minute Display accuracy: 0.1℃/1℉ Probe sensor: NTC(100K) 1% Protection level: IP20 Output Convertible: relay Contact capacity: 3A/250V (WH611WW, WH612WW, and WH614WW); 16A/250V (WH611RF); 5 A/250V (WH611MRF) Insulating condition: Normal environment Working environment temperature: -18÷50℃/0÷122℉ Running program: Set per 1 week as a cycle Software level: A LCD display Minimum allowable time for increase / decrease in program setting: 1 hour Frequency: 433 MHz (WH611 RF/MRF) Wireless transmission distance: Indoor 16 / 50 m; outdoor 200m (WH611 RF/MRF) Size(mm): 77H*120W*14D Installation: Installed in standard box or on battery seat Scope of Control Applications 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; 6. Ventilation control.

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Guangzhou Wattion Electronic Control System Co LTD

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